{"classifier_version":"1.4.0","documentation":"https://rirtracker.com/api/","disclaimer":"This site independently analyzes publicly available Internet number-resource records. It is not affiliated with or endorsed by ARIN, the RIPE NCC, APNIC, LACNIC, AFRINIC, the Number Resource Organization (NRO), or any other Regional Internet Registry. Classifications and hold-expiration dates are evidence-based interpretations and do not constitute confirmation that a resource is available for issuance or transfer.","resource":"216.162.112.0/20","resource_type":"ipv4","page":"https://rirtracker.com/ip/216.162.112.0-216.162.127.255/","statistics_now":{"registry":"ARIN","status":"allocated (dated 2015-03-17)"},"current_holder":{"rir":"ARIN","org":null,"how":"ARIN's latest statistics"},"rdap_snapshots":[],"transfers":[],"events":[{"event_id":"391491fb991612fc","registry":"ARIN","report_date":"2015-03-17","source":"arin_issued","raw_action":"ADD","raw_line":"Add 216.162.112.0-216.162.127.255","resource_type":"ipv4","resource":"216.162.112.0/20","start":"216.162.112.0","end":"216.162.127.255","classification":"APPARENT_REISSUANCE","classification_label":"Apparent reissuance of previously removed resource","confidence":"STRONG_INFERENCE","source_rir":null,"recipient_rir":null,"source_organization":null,"recipient_organization":null,"inventory_effect":"Likely issued from ARIN-controlled inventory","inventory_effect_code":"ISSUED","provisional":false,"classifier_version":"1.4.0","classified_at":"2026-10-13T23:51:21+00:00","page":"https://rirtracker.com/ip/216.162.112.0-216.162.127.255/#e-391491fb991612fc","report_page":"https://rirtracker.com/arin/reports/2015-03-17/","evidence_url":"https://rirtracker.com/api/v1/resources/ip/216.162.112.0-216.162.127.255.json","explanation":"No transfer record matches. ARIN's statistics show it reserved on 2015-03-16 and assigned (dated 2015-03-17) on 2015-03-18. The tracker saw this range released from hold on 2015-02-20 (216.162.112.0-216.162.127.255), so it appears to have been issued again from ARIN's pool.","evidence":[{"type":"arin_issued","url":"https://lists.arin.net/pipermail/arin-issued/2015-March/002288.html","retrieved_at":"2026-10-12T18:38:43+00:00","summary":"ARIN-Issued report for 2015-03-17: \"Add 216.162.112.0-216.162.127.255\""},{"type":"delegated_before","url":"https://ftp.arin.net/pub/stats/arin/archive/2015/delegated-arin-extended-20150316.gz","retrieved_at":"2026-10-12T20:49:41+00:00","summary":"ARIN delegated statistics 2015-03-16 (produced 2015-03-16T05:05:20+00:00), before the report: reserved"},{"type":"delegated_after","url":"https://ftp.arin.net/pub/stats/arin/archive/2015/delegated-arin-extended-20150318.gz","retrieved_at":"2026-10-12T20:49:46+00:00","summary":"ARIN delegated statistics 2015-03-18 (produced 2015-03-18T05:05:25+00:00), after the report: assigned (dated 2015-03-17)"}]},{"event_id":"cbd944fa39034965","registry":"ARIN","report_date":"2015-03-17","source":"arin_issued","raw_action":"REMOVE","raw_line":"Remove 216.162.112.0-216.162.127.255","resource_type":"ipv4","resource":"216.162.112.0/20","start":"216.162.112.0","end":"216.162.127.255","classification":"POOL_RECORD_CHANGE","classification_label":"Change to ARIN's own pool record","confidence":"STRONG_INFERENCE","source_rir":null,"recipient_rir":null,"source_organization":null,"recipient_organization":null,"inventory_effect":"Part of the issuance reported the same day","inventory_effect_code":"PAIRED","provisional":false,"classifier_version":"1.4.0","classified_at":"2026-10-13T23:51:20+00:00","page":"https://rirtracker.com/ip/216.162.112.0-216.162.127.255/#e-cbd944fa39034965","report_page":"https://rirtracker.com/arin/reports/2015-03-17/","evidence_url":"https://rirtracker.com/api/v1/resources/ip/216.162.112.0-216.162.127.255.json","explanation":"ARIN's statistics show it reserved on 2015-03-16 and assigned (dated 2015-03-17) on 2015-03-18. ARIN removed its own pool record for this range as part of issuing it: the same report adds 216.162.112.0-216.162.127.255. The issuance is explained on that line.","evidence":[{"type":"arin_issued","url":"https://lists.arin.net/pipermail/arin-issued/2015-March/002288.html","retrieved_at":"2026-10-12T18:38:43+00:00","summary":"ARIN-Issued report for 2015-03-17: \"Remove 216.162.112.0-216.162.127.255\""},{"type":"delegated_before","url":"https://ftp.arin.net/pub/stats/arin/archive/2015/delegated-arin-extended-20150316.gz","retrieved_at":"2026-10-12T20:49:41+00:00","summary":"ARIN delegated statistics 2015-03-16 (produced 2015-03-16T05:05:20+00:00), before the report: reserved"},{"type":"delegated_after","url":"https://ftp.arin.net/pub/stats/arin/archive/2015/delegated-arin-extended-20150318.gz","retrieved_at":"2026-10-12T20:49:46+00:00","summary":"ARIN delegated statistics 2015-03-18 (produced 2015-03-18T05:05:25+00:00), after the report: assigned (dated 2015-03-17)"}]},{"event_id":"ec3a47ca314cfbf2","registry":"ARIN","report_date":"2015-02-20","source":"arin_issued","raw_action":"REMOVE","raw_line":"Remove 216.162.112.0-216.162.127.255","resource_type":"ipv4","resource":"216.162.112.0/20","start":"216.162.112.0","end":"216.162.127.255","classification":"HOLD_RELEASED","classification_label":"Released from hold (ARIN lists it as 'available')","confidence":"STRONG_INFERENCE","source_rir":null,"recipient_rir":null,"source_organization":null,"recipient_organization":null,"inventory_effect":"ARIN's statistics now list it as 'available'; reissue not confirmed","inventory_effect_code":"RELEASED","provisional":false,"classifier_version":"1.4.0","classified_at":"2026-10-13T23:51:19+00:00","page":"https://rirtracker.com/ip/216.162.112.0-216.162.127.255/#e-ec3a47ca314cfbf2","report_page":"https://rirtracker.com/arin/reports/2015-02-20/","evidence_url":"https://rirtracker.com/api/v1/resources/ip/216.162.112.0-216.162.127.255.json","explanation":"ARIN's statistics show it reserved on 2015-02-19 and available on 2015-02-21. ARIN took it out of its reserved (held) records; its statistics now give it the status 'available'. The tracker saw it removed from registration on 2014-10-14, 129 days earlier. That is ARIN's own label: whether and when it is reissued is not confirmed.","evidence":[{"type":"arin_issued","url":"https://lists.arin.net/pipermail/arin-issued/2015-February/002263.html","retrieved_at":"2026-10-12T18:38:41+00:00","summary":"ARIN-Issued report for 2015-02-20: \"Remove 216.162.112.0-216.162.127.255\""},{"type":"delegated_before","url":"https://ftp.arin.net/pub/stats/arin/archive/2015/delegated-arin-extended-20150219.gz","retrieved_at":"2026-10-12T20:48:26+00:00","summary":"ARIN delegated statistics 2015-02-19 (produced 2015-02-19T06:05:12+00:00), before the report: reserved"},{"type":"delegated_after","url":"https://ftp.arin.net/pub/stats/arin/archive/2015/delegated-arin-extended-20150221.gz","retrieved_at":"2026-10-12T20:48:37+00:00","summary":"ARIN delegated statistics 2015-02-21 (produced 2015-02-21T06:05:18+00:00), after the report: available"}]},{"event_id":"a3ad5c36e63cf1cc","registry":"ARIN","report_date":"2014-10-14","source":"statistics","raw_action":"NOT_IN_ARIN_ISSUED","raw_line":null,"resource_type":"ipv4","resource":"216.162.112.0/20","start":"216.162.112.0","end":"216.162.127.255","classification":"REMOVED_REASON_UNKNOWN","classification_label":"Removed (return, revocation or reclamation not publicly distinguishable)","confidence":"STRONG_INFERENCE","source_rir":null,"recipient_rir":null,"source_organization":null,"recipient_organization":null,"inventory_effect":"Possible future reissue candidate after hold","inventory_effect_code":"HOLD_CANDIDATE","provisional":false,"classifier_version":"1.4.0","classified_at":"2026-10-14T00:00:08+00:00","page":"https://rirtracker.com/ip/216.162.112.0-216.162.127.255/#e-a3ad5c36e63cf1cc","report_page":"https://rirtracker.com/arin/reports/2014-10-14/","evidence_url":"https://rirtracker.com/api/v1/resources/ip/216.162.112.0-216.162.127.255.json","observed":"216.162.112.0/20 allocated on 2014-10-14, reserved on 2014-10-15","hold":{"hold_rule_source_url":"https://www.arin.net/resources/guide/request/#reissuing-returned-revoked-and-reclaimed-resources","hold_rule_days":60,"estimated_hold_end":"2014-12-13","availability_statement":"Possible reissue candidate after this date; not confirmed available"},"explanation":"Removed from active registration. ARIN-Issued didn't list this; the tracker found it by comparing ARIN's daily statistics. ARIN's statistics show it allocated (dated 2012-05-18) on 2014-10-13 and reserved on 2014-10-15. Public sources do not distinguish a voluntary return, revocation, or reclamation. ARIN holds returned, revoked and reclaimed IPv4 space for 60 days before reissuing it, so the estimated hold end is 2014-12-13. This does not confirm availability.","evidence":[{"type":"statistics_diff","url":"https://ftp.arin.net/pub/stats/arin/archive/2014/delegated-arin-extended-20141015.gz","retrieved_at":"2026-10-12T20:42:29+00:00","summary":"Not listed in ARIN-Issued; found by comparing ARIN's daily statistics: 216.162.112.0/20 allocated on 2014-10-14, reserved on 2014-10-15"},{"type":"delegated_before","url":"https://ftp.arin.net/pub/stats/arin/archive/2014/delegated-arin-extended-20141013.gz","retrieved_at":"2026-10-12T20:42:24+00:00","summary":"ARIN delegated statistics 2014-10-13 (produced 2014-10-13T05:03:47+00:00), before the report: allocated (dated 2012-05-18)"},{"type":"delegated_after","url":"https://ftp.arin.net/pub/stats/arin/archive/2014/delegated-arin-extended-20141015.gz","retrieved_at":"2026-10-12T20:42:29+00:00","summary":"ARIN delegated statistics 2014-10-15 (produced 2014-10-15T05:03:54+00:00), after the report: reserved"}]},{"event_id":"dca31c02948e5b71","registry":"ARIN","report_date":"2012-05-18","source":"arin_issued","raw_action":"ADD","raw_line":"Add 216.162.112.0-216.162.127.255","resource_type":"ipv4","resource":"216.162.112.0/20","start":"216.162.112.0","end":"216.162.127.255","classification":"APPARENT_REISSUANCE","classification_label":"Apparent reissuance of previously removed resource","confidence":"STRONG_INFERENCE","source_rir":null,"recipient_rir":null,"source_organization":null,"recipient_organization":null,"inventory_effect":"Likely issued from ARIN-controlled inventory","inventory_effect_code":"ISSUED","provisional":false,"classifier_version":"1.4.0","classified_at":"2026-10-13T23:50:59+00:00","page":"https://rirtracker.com/ip/216.162.112.0-216.162.127.255/#e-dca31c02948e5b71","report_page":"https://rirtracker.com/arin/reports/2012-05-18/","evidence_url":"https://rirtracker.com/api/v1/resources/ip/216.162.112.0-216.162.127.255.json","explanation":"No transfer record matches. ARIN's statistics show it not issued on 2012-05-17 and allocated (dated 2012-05-18) on 2012-05-19. (Until 2013-03-05, ARIN's statistics list only what's issued.) The tracker saw this range released from hold on 2012-05-02 (216.162.112.0-216.162.127.255), so it appears to have been issued again from ARIN's pool.","evidence":[{"type":"arin_issued","url":"https://lists.arin.net/pipermail/arin-issued/2012-May/001254.html","retrieved_at":"2026-10-12T18:37:31+00:00","summary":"ARIN-Issued report for 2012-05-18: \"Add 216.162.112.0-216.162.127.255\""},{"type":"delegated_before","url":"https://ftp.arin.net/pub/stats/arin/archive/2012/delegated-arin-20120517.gz","retrieved_at":"2026-10-12T19:35:40+00:00","summary":"ARIN delegated statistics 2012-05-17, before the report: not issued"},{"type":"delegated_after","url":"https://ftp.arin.net/pub/stats/arin/archive/2012/delegated-arin-20120519.gz","retrieved_at":"2026-10-12T19:35:48+00:00","summary":"ARIN delegated statistics 2012-05-19, after the report: allocated (dated 2012-05-18)"}]},{"event_id":"148d78424331186f","registry":"ARIN","report_date":"2012-05-02","source":"arin_issued","raw_action":"REMOVE","raw_line":"Remove 216.162.112.0-216.162.127.255","resource_type":"ipv4","resource":"216.162.112.0/20","start":"216.162.112.0","end":"216.162.127.255","classification":"UNRESOLVED","classification_label":"Unresolved change","confidence":"OBSERVED_ONLY","source_rir":null,"recipient_rir":null,"source_organization":null,"recipient_organization":null,"inventory_effect":"Inventory effect unknown","inventory_effect_code":"UNKNOWN","provisional":false,"classifier_version":"1.4.0","classified_at":"2026-10-13T23:50:59+00:00","page":"https://rirtracker.com/ip/216.162.112.0-216.162.127.255/#e-148d78424331186f","report_page":"https://rirtracker.com/arin/reports/2012-05-02/","evidence_url":"https://rirtracker.com/api/v1/resources/ip/216.162.112.0-216.162.127.255.json","explanation":"ARIN-Issued says \"Remove\", but ARIN's statistics show it not issued on 2012-05-01 and not issued on 2012-05-03. (Until 2013-03-05, ARIN's statistics list only what's issued.) The registry's pool records from that time aren't public, so the tracker can't tell what was removed.","evidence":[{"type":"arin_issued","url":"https://lists.arin.net/pipermail/arin-issued/2012-May/001238.html","retrieved_at":"2026-10-12T18:37:31+00:00","summary":"ARIN-Issued report for 2012-05-02: \"Remove 216.162.112.0-216.162.127.255\""},{"type":"delegated_before","url":"https://ftp.arin.net/pub/stats/arin/archive/2012/delegated-arin-20120501.gz","retrieved_at":"2026-10-12T19:35:00+00:00","summary":"ARIN delegated statistics 2012-05-01, before the report: not issued"},{"type":"delegated_after","url":"https://ftp.arin.net/pub/stats/arin/archive/2012/delegated-arin-20120503.gz","retrieved_at":"2026-10-12T19:35:05+00:00","summary":"ARIN delegated statistics 2012-05-03, after the report: not issued"}]},{"event_id":"673f54ed0b1b55ff","registry":"ARIN","report_date":"2011-10-31","source":"statistics","raw_action":"NOT_IN_ARIN_ISSUED","raw_line":null,"resource_type":"ipv4","resource":"216.162.112.0/20","start":"216.162.112.0","end":"216.162.127.255","classification":"REMOVED_REASON_UNKNOWN","classification_label":"Removed (return, revocation or reclamation not publicly distinguishable)","confidence":"STRONG_INFERENCE","source_rir":null,"recipient_rir":null,"source_organization":null,"recipient_organization":null,"inventory_effect":"Possible future reissue candidate after hold","inventory_effect_code":"HOLD_CANDIDATE","provisional":false,"classifier_version":"1.4.0","classified_at":"2026-10-13T23:56:46+00:00","page":"https://rirtracker.com/ip/216.162.112.0-216.162.127.255/#e-673f54ed0b1b55ff","report_page":"https://rirtracker.com/arin/reports/2011-10-31/","evidence_url":"https://rirtracker.com/api/v1/resources/ip/216.162.112.0-216.162.127.255.json","observed":"216.162.112.0/20 allocated on 2011-10-31, not listed on 2011-11-01","hold":{"hold_rule_source_url":"https://www.arin.net/resources/guide/request/#reissuing-returned-revoked-and-reclaimed-resources","hold_rule_days":60,"estimated_hold_end":"2011-12-30","availability_statement":"Possible reissue candidate after this date; not confirmed available"},"explanation":"Removed from active registration. ARIN-Issued didn't list this; the tracker found it by comparing ARIN's daily statistics. ARIN's statistics show it allocated (dated 2010-08-11) on 2011-10-30 and not issued on 2011-11-01. (Until 2013-03-05, ARIN's statistics list only what's issued.) Public sources do not distinguish a voluntary return, revocation, or reclamation. ARIN holds returned, revoked and reclaimed IPv4 space for 60 days before reissuing it, so the estimated hold end is 2011-12-30. This does not confirm availability.","evidence":[{"type":"statistics_diff","url":"https://ftp.arin.net/pub/stats/arin/archive/2011/delegated-arin-20111101.gz","retrieved_at":"2026-10-12T19:27:09+00:00","summary":"Not listed in ARIN-Issued; found by comparing ARIN's daily statistics: 216.162.112.0/20 allocated on 2011-10-31, not listed on 2011-11-01"},{"type":"delegated_before","url":"https://ftp.arin.net/pub/stats/arin/archive/2011/delegated-arin-20111030.gz","retrieved_at":"2026-10-12T19:27:04+00:00","summary":"ARIN delegated statistics 2011-10-30, before the report: allocated (dated 2010-08-11)"},{"type":"delegated_after","url":"https://ftp.arin.net/pub/stats/arin/archive/2011/delegated-arin-20111101.gz","retrieved_at":"2026-10-12T19:27:09+00:00","summary":"ARIN delegated statistics 2011-11-01, after the report: not issued"}]},{"event_id":"8b73ec4a8ec2eb75","registry":"ARIN","report_date":"2010-08-11","source":"arin_issued","raw_action":"ADD","raw_line":"Add 216.162.112.0-216.162.127.255","resource_type":"ipv4","resource":"216.162.112.0/20","start":"216.162.112.0","end":"216.162.127.255","classification":"APPARENT_NEW_ISSUANCE","classification_label":"Apparent new issuance","confidence":"STRONG_INFERENCE","source_rir":null,"recipient_rir":null,"source_organization":null,"recipient_organization":null,"inventory_effect":"Likely issued from ARIN-controlled inventory","inventory_effect_code":"ISSUED","provisional":false,"classifier_version":"1.4.0","classified_at":"2026-10-13T23:50:49+00:00","page":"https://rirtracker.com/ip/216.162.112.0-216.162.127.255/#e-8b73ec4a8ec2eb75","report_page":"https://rirtracker.com/arin/reports/2010-08-11/","evidence_url":"https://rirtracker.com/api/v1/resources/ip/216.162.112.0-216.162.127.255.json","explanation":"No transfer record matches. ARIN's statistics show it not issued on 2010-08-10 and allocated (dated 2010-08-11) on 2010-08-12. (Until 2013-03-05, ARIN's statistics list only what's issued.) It moved from ARIN's unissued pool to an active registration dated around the report, so it appears to be newly issued by ARIN.","evidence":[{"type":"arin_issued","url":"https://lists.arin.net/pipermail/arin-issued/2010-August/000604.html","retrieved_at":"2026-10-12T18:36:47+00:00","summary":"ARIN-Issued report for 2010-08-11: \"Add 216.162.112.0-216.162.127.255\""},{"type":"delegated_before","url":"https://ftp.arin.net/pub/stats/arin/archive/2010/delegated-arin-20100810.gz","retrieved_at":"2026-10-12T19:08:50+00:00","summary":"ARIN delegated statistics 2010-08-10, before the report: not issued"},{"type":"delegated_after","url":"https://ftp.arin.net/pub/stats/arin/archive/2010/delegated-arin-20100812.gz","retrieved_at":"2026-10-12T19:08:54+00:00","summary":"ARIN delegated statistics 2010-08-12, after the report: allocated (dated 2010-08-11)"}]}],"classification_history":{"391491fb991612fc":[{"raw_change_id":136422,"classification_code":"APPARENT_REISSUANCE","confidence":"STRONG_INFERENCE","classifier_version":"1.3.0","classified_at":"2026-10-13T03:29:52+00:00","current":0,"public_explanation":"No transfer record matches. ARIN's statistics show it reserved on 2015-03-16 and assigned (dated 2015-03-17) on 2015-03-18. The tracker saw this range released from hold on 2015-02-20 (216.162.112.0-216.162.127.255), so it appears to have been issued again from ARIN's pool."},{"raw_change_id":136422,"classification_code":"APPARENT_REISSUANCE","confidence":"STRONG_INFERENCE","classifier_version":"1.3.1","classified_at":"2026-10-13T08:05:40+00:00","current":0,"public_explanation":"No transfer record matches. ARIN's statistics show it reserved on 2015-03-16 and assigned (dated 2015-03-17) on 2015-03-18. The tracker saw this range released from hold on 2015-02-20 (216.162.112.0-216.162.127.255), so it appears to have been issued again from ARIN's pool."},{"raw_change_id":136422,"classification_code":"APPARENT_REISSUANCE","confidence":"STRONG_INFERENCE","classifier_version":"1.3.2","classified_at":"2026-10-13T14:48:17+00:00","current":0,"public_explanation":"No transfer record matches. ARIN's statistics show it reserved on 2015-03-16 and assigned (dated 2015-03-17) on 2015-03-18. The tracker saw this range released from hold on 2015-02-20 (216.162.112.0-216.162.127.255), so it appears to have been issued again from ARIN's pool."},{"raw_change_id":136422,"classification_code":"APPARENT_REISSUANCE","confidence":"STRONG_INFERENCE","classifier_version":"1.4.0","classified_at":"2026-10-13T23:51:21+00:00","current":1,"public_explanation":"No transfer record matches. ARIN's statistics show it reserved on 2015-03-16 and assigned (dated 2015-03-17) on 2015-03-18. The tracker saw this range released from hold on 2015-02-20 (216.162.112.0-216.162.127.255), so it appears to have been issued again from ARIN's pool."}],"cbd944fa39034965":[{"raw_change_id":136399,"classification_code":"POOL_RECORD_CHANGE","confidence":"STRONG_INFERENCE","classifier_version":"1.3.0","classified_at":"2026-10-13T03:29:50+00:00","current":0,"public_explanation":"ARIN's statistics show it reserved on 2015-03-16 and assigned (dated 2015-03-17) on 2015-03-18. ARIN removed its own pool record for this range as part of issuing it: the same report adds 216.162.112.0-216.162.127.255. The issuance is explained on that line."},{"raw_change_id":136399,"classification_code":"POOL_RECORD_CHANGE","confidence":"STRONG_INFERENCE","classifier_version":"1.3.1","classified_at":"2026-10-13T08:05:40+00:00","current":0,"public_explanation":"ARIN's statistics show it reserved on 2015-03-16 and assigned (dated 2015-03-17) on 2015-03-18. ARIN removed its own pool record for this range as part of issuing it: the same report adds 216.162.112.0-216.162.127.255. The issuance is explained on that line."},{"raw_change_id":136399,"classification_code":"POOL_RECORD_CHANGE","confidence":"STRONG_INFERENCE","classifier_version":"1.3.2","classified_at":"2026-10-13T14:48:17+00:00","current":0,"public_explanation":"ARIN's statistics show it reserved on 2015-03-16 and assigned (dated 2015-03-17) on 2015-03-18. ARIN removed its own pool record for this range as part of issuing it: the same report adds 216.162.112.0-216.162.127.255. The issuance is explained on that line."},{"raw_change_id":136399,"classification_code":"POOL_RECORD_CHANGE","confidence":"STRONG_INFERENCE","classifier_version":"1.4.0","classified_at":"2026-10-13T23:51:20+00:00","current":1,"public_explanation":"ARIN's statistics show it reserved on 2015-03-16 and assigned (dated 2015-03-17) on 2015-03-18. ARIN removed its own pool record for this range as part of issuing it: the same report adds 216.162.112.0-216.162.127.255. The issuance is explained on that line."}],"ec3a47ca314cfbf2":[{"raw_change_id":135989,"classification_code":"HOLD_RELEASED","confidence":"STRONG_INFERENCE","classifier_version":"1.3.0","classified_at":"2026-10-13T03:29:25+00:00","current":0,"public_explanation":"ARIN's statistics show it reserved on 2015-02-19 and available on 2015-02-21. ARIN took it out of its reserved (held) records; its statistics now give it the status 'available'. The tracker saw it removed from registration on 2014-10-14, 129 days earlier. That is ARIN's own label: whether and when it is reissued is not confirmed."},{"raw_change_id":135989,"classification_code":"HOLD_RELEASED","confidence":"STRONG_INFERENCE","classifier_version":"1.3.1","classified_at":"2026-10-13T08:05:40+00:00","current":0,"public_explanation":"ARIN's statistics show it reserved on 2015-02-19 and available on 2015-02-21. ARIN took it out of its reserved (held) records; its statistics now give it the status 'available'. The tracker saw it removed from registration on 2014-10-14, 129 days earlier. That is ARIN's own label: whether and when it is reissued is not confirmed."},{"raw_change_id":135989,"classification_code":"HOLD_RELEASED","confidence":"STRONG_INFERENCE","classifier_version":"1.3.2","classified_at":"2026-10-13T14:48:16+00:00","current":0,"public_explanation":"ARIN's statistics show it reserved on 2015-02-19 and available on 2015-02-21. ARIN took it out of its reserved (held) records; its statistics now give it the status 'available'. The tracker saw it removed from registration on 2014-10-14, 129 days earlier. That is ARIN's own label: whether and when it is reissued is not confirmed."},{"raw_change_id":135989,"classification_code":"HOLD_RELEASED","confidence":"STRONG_INFERENCE","classifier_version":"1.4.0","classified_at":"2026-10-13T23:51:19+00:00","current":1,"public_explanation":"ARIN's statistics show it reserved on 2015-02-19 and available on 2015-02-21. ARIN took it out of its reserved (held) records; its statistics now give it the status 'available'. The tracker saw it removed from registration on 2014-10-14, 129 days earlier. That is ARIN's own label: whether and when it is reissued is not confirmed."}],"a3ad5c36e63cf1cc":[{"raw_change_id":290441,"classification_code":"REMOVED_REASON_UNKNOWN","confidence":"STRONG_INFERENCE","classifier_version":"1.3.0","classified_at":"2026-10-13T04:51:51+00:00","current":0,"public_explanation":"Removed from active registration. ARIN-Issued didn't list this; the tracker found it by comparing ARIN's daily statistics. ARIN's statistics show it allocated (dated 2012-05-18) on 2014-10-13 and reserved on 2014-10-15. Public sources do not distinguish a voluntary return, revocation, or reclamation. ARIN holds returned, revoked and reclaimed IPv4 space for 60 days before reissuing it, so the earliest estimated hold expiration is 2014-12-13. This does not confirm availability."},{"raw_change_id":290441,"classification_code":"REMOVED_REASON_UNKNOWN","confidence":"STRONG_INFERENCE","classifier_version":"1.3.1","classified_at":"2026-10-13T08:12:55+00:00","current":0,"public_explanation":"Removed from active registration. ARIN-Issued didn't list this; the tracker found it by comparing ARIN's daily statistics. ARIN's statistics show it allocated (dated 2012-05-18) on 2014-10-13 and reserved on 2014-10-15. Public sources do not distinguish a voluntary return, revocation, or reclamation. ARIN holds returned, revoked and reclaimed IPv4 space for 60 days before reissuing it, so the earliest estimated hold expiration is 2014-12-13. This does not confirm availability."},{"raw_change_id":290441,"classification_code":"REMOVED_REASON_UNKNOWN","confidence":"STRONG_INFERENCE","classifier_version":"1.3.2","classified_at":"2026-10-13T14:56:15+00:00","current":0,"public_explanation":"Removed from active registration. ARIN-Issued didn't list this; the tracker found it by comparing ARIN's daily statistics. ARIN's statistics show it allocated (dated 2012-05-18) on 2014-10-13 and reserved on 2014-10-15. Public sources do not distinguish a voluntary return, revocation, or reclamation. ARIN holds returned, revoked and reclaimed IPv4 space for 60 days before reissuing it, so the earliest estimated hold expiration is 2014-12-13. This does not confirm availability."},{"raw_change_id":290441,"classification_code":"REMOVED_REASON_UNKNOWN","confidence":"STRONG_INFERENCE","classifier_version":"1.4.0","classified_at":"2026-10-14T00:00:08+00:00","current":1,"public_explanation":"Removed from active registration. ARIN-Issued didn't list this; the tracker found it by comparing ARIN's daily statistics. ARIN's statistics show it allocated (dated 2012-05-18) on 2014-10-13 and reserved on 2014-10-15. Public sources do not distinguish a voluntary return, revocation, or reclamation. ARIN holds returned, revoked and reclaimed IPv4 space for 60 days before reissuing it, so the estimated hold end is 2014-12-13. This does not confirm availability."}],"dca31c02948e5b71":[{"raw_change_id":126252,"classification_code":"APPARENT_REISSUANCE","confidence":"STRONG_INFERENCE","classifier_version":"1.3.0","classified_at":"2026-10-13T03:17:17+00:00","current":0,"public_explanation":"No transfer record matches. ARIN's statistics show it not issued on 2012-05-17 and allocated (dated 2012-05-18) on 2012-05-19. (Until 2013-03-05, ARIN's statistics list only what's issued.) The tracker saw this range released from hold on 2012-05-02 (216.162.112.0-216.162.127.255), so it appears to have been issued again from ARIN's pool."},{"raw_change_id":126252,"classification_code":"APPARENT_REISSUANCE","confidence":"STRONG_INFERENCE","classifier_version":"1.3.1","classified_at":"2026-10-13T08:05:24+00:00","current":0,"public_explanation":"No transfer record matches. ARIN's statistics show it not issued on 2012-05-17 and allocated (dated 2012-05-18) on 2012-05-19. (Until 2013-03-05, ARIN's statistics list only what's issued.) The tracker saw this range released from hold on 2012-05-02 (216.162.112.0-216.162.127.255), so it appears to have been issued again from ARIN's pool."},{"raw_change_id":126252,"classification_code":"APPARENT_REISSUANCE","confidence":"STRONG_INFERENCE","classifier_version":"1.3.2","classified_at":"2026-10-13T14:47:59+00:00","current":0,"public_explanation":"No transfer record matches. ARIN's statistics show it not issued on 2012-05-17 and allocated (dated 2012-05-18) on 2012-05-19. (Until 2013-03-05, ARIN's statistics list only what's issued.) The tracker saw this range released from hold on 2012-05-02 (216.162.112.0-216.162.127.255), so it appears to have been issued again from ARIN's pool."},{"raw_change_id":126252,"classification_code":"APPARENT_REISSUANCE","confidence":"STRONG_INFERENCE","classifier_version":"1.4.0","classified_at":"2026-10-13T23:50:59+00:00","current":1,"public_explanation":"No transfer record matches. ARIN's statistics show it not issued on 2012-05-17 and allocated (dated 2012-05-18) on 2012-05-19. (Until 2013-03-05, ARIN's statistics list only what's issued.) The tracker saw this range released from hold on 2012-05-02 (216.162.112.0-216.162.127.255), so it appears to have been issued again from ARIN's pool."}],"148d78424331186f":[{"raw_change_id":126124,"classification_code":"UNRESOLVED","confidence":"OBSERVED_ONLY","classifier_version":"1.3.0","classified_at":"2026-10-13T03:17:07+00:00","current":0,"public_explanation":"ARIN-Issued says \"Remove\", but ARIN's statistics show it not issued on 2012-05-01 and not issued on 2012-05-03. (Until 2013-03-05, ARIN's statistics list only what's issued.) The registry's pool records from that time aren't public, so the tracker can't tell what was removed."},{"raw_change_id":126124,"classification_code":"UNRESOLVED","confidence":"OBSERVED_ONLY","classifier_version":"1.3.1","classified_at":"2026-10-13T08:05:24+00:00","current":0,"public_explanation":"ARIN-Issued says \"Remove\", but ARIN's statistics show it not issued on 2012-05-01 and not issued on 2012-05-03. (Until 2013-03-05, ARIN's statistics list only what's issued.) The registry's pool records from that time aren't public, so the tracker can't tell what was removed."},{"raw_change_id":126124,"classification_code":"UNRESOLVED","confidence":"OBSERVED_ONLY","classifier_version":"1.3.2","classified_at":"2026-10-13T14:47:58+00:00","current":0,"public_explanation":"ARIN-Issued says \"Remove\", but ARIN's statistics show it not issued on 2012-05-01 and not issued on 2012-05-03. (Until 2013-03-05, ARIN's statistics list only what's issued.) The registry's pool records from that time aren't public, so the tracker can't tell what was removed."},{"raw_change_id":126124,"classification_code":"UNRESOLVED","confidence":"OBSERVED_ONLY","classifier_version":"1.4.0","classified_at":"2026-10-13T23:50:59+00:00","current":1,"public_explanation":"ARIN-Issued says \"Remove\", but ARIN's statistics show it not issued on 2012-05-01 and not issued on 2012-05-03. (Until 2013-03-05, ARIN's statistics list only what's issued.) The registry's pool records from that time aren't public, so the tracker can't tell what was removed."}],"673f54ed0b1b55ff":[{"raw_change_id":234322,"classification_code":"REMOVED_REASON_UNKNOWN","confidence":"STRONG_INFERENCE","classifier_version":"1.3.0","classified_at":"2026-10-13T04:22:07+00:00","current":0,"public_explanation":"Removed from active registration. ARIN-Issued didn't list this; the tracker found it by comparing ARIN's daily statistics. ARIN's statistics show it allocated (dated 2010-08-11) on 2011-10-30 and not issued on 2011-11-01. (Until 2013-03-05, ARIN's statistics list only what's issued.) Public sources do not distinguish a voluntary return, revocation, or reclamation. ARIN holds returned, revoked and reclaimed IPv4 space for 60 days before reissuing it, so the earliest estimated hold expiration is 2011-12-30. This does not confirm availability."},{"raw_change_id":234322,"classification_code":"REMOVED_REASON_UNKNOWN","confidence":"STRONG_INFERENCE","classifier_version":"1.3.1","classified_at":"2026-10-13T08:09:59+00:00","current":0,"public_explanation":"Removed from active registration. ARIN-Issued didn't list this; the tracker found it by comparing ARIN's daily statistics. ARIN's statistics show it allocated (dated 2010-08-11) on 2011-10-30 and not issued on 2011-11-01. (Until 2013-03-05, ARIN's statistics list only what's issued.) Public sources do not distinguish a voluntary return, revocation, or reclamation. ARIN holds returned, revoked and reclaimed IPv4 space for 60 days before reissuing it, so the earliest estimated hold expiration is 2011-12-30. This does not confirm availability."},{"raw_change_id":234322,"classification_code":"REMOVED_REASON_UNKNOWN","confidence":"STRONG_INFERENCE","classifier_version":"1.3.2","classified_at":"2026-10-13T14:53:04+00:00","current":0,"public_explanation":"Removed from active registration. ARIN-Issued didn't list this; the tracker found it by comparing ARIN's daily statistics. ARIN's statistics show it allocated (dated 2010-08-11) on 2011-10-30 and not issued on 2011-11-01. (Until 2013-03-05, ARIN's statistics list only what's issued.) Public sources do not distinguish a voluntary return, revocation, or reclamation. ARIN holds returned, revoked and reclaimed IPv4 space for 60 days before reissuing it, so the earliest estimated hold expiration is 2011-12-30. This does not confirm availability."},{"raw_change_id":234322,"classification_code":"REMOVED_REASON_UNKNOWN","confidence":"STRONG_INFERENCE","classifier_version":"1.4.0","classified_at":"2026-10-13T23:56:46+00:00","current":1,"public_explanation":"Removed from active registration. ARIN-Issued didn't list this; the tracker found it by comparing ARIN's daily statistics. ARIN's statistics show it allocated (dated 2010-08-11) on 2011-10-30 and not issued on 2011-11-01. (Until 2013-03-05, ARIN's statistics list only what's issued.) Public sources do not distinguish a voluntary return, revocation, or reclamation. ARIN holds returned, revoked and reclaimed IPv4 space for 60 days before reissuing it, so the estimated hold end is 2011-12-30. This does not confirm availability."}],"8b73ec4a8ec2eb75":[{"raw_change_id":121672,"classification_code":"APPARENT_REISSUANCE","confidence":"STRONG_INFERENCE","classifier_version":"1.3.0","classified_at":"2026-10-13T03:12:28+00:00","current":0,"public_explanation":"No transfer record matches. ARIN's statistics show it not issued on 2010-08-10 and allocated (dated 2010-08-11) on 2010-08-12. (Until 2013-03-05, ARIN's statistics list only what's issued.) The tracker saw this range released from hold on 2009-02-23 (216.162.96.0-216.162.127.255), so it appears to have been issued again from ARIN's pool."},{"raw_change_id":121672,"classification_code":"APPARENT_REISSUANCE","confidence":"STRONG_INFERENCE","classifier_version":"1.3.1","classified_at":"2026-10-13T08:05:17+00:00","current":0,"public_explanation":"No transfer record matches. ARIN's statistics show it not issued on 2010-08-10 and allocated (dated 2010-08-11) on 2010-08-12. (Until 2013-03-05, ARIN's statistics list only what's issued.) The tracker saw this range released from hold on 2009-02-23 (216.162.96.0-216.162.127.255), so it appears to have been issued again from ARIN's pool."},{"raw_change_id":121672,"classification_code":"APPARENT_REISSUANCE","confidence":"STRONG_INFERENCE","classifier_version":"1.3.2","classified_at":"2026-10-13T14:47:50+00:00","current":0,"public_explanation":"No transfer record matches. ARIN's statistics show it not issued on 2010-08-10 and allocated (dated 2010-08-11) on 2010-08-12. (Until 2013-03-05, ARIN's statistics list only what's issued.) The tracker saw this range released from hold on 2009-02-23 (216.162.96.0-216.162.127.255), so it appears to have been issued again from ARIN's pool."},{"raw_change_id":121672,"classification_code":"APPARENT_NEW_ISSUANCE","confidence":"STRONG_INFERENCE","classifier_version":"1.4.0","classified_at":"2026-10-13T23:50:49+00:00","current":1,"public_explanation":"No transfer record matches. ARIN's statistics show it not issued on 2010-08-10 and allocated (dated 2010-08-11) on 2010-08-12. (Until 2013-03-05, ARIN's statistics list only what's issued.) It moved from ARIN's unissued pool to an active registration dated around the report, so it appears to be newly issued by ARIN."}]},"arin_statistics_now":{"status":"allocated (dated 2015-03-17)"}}