{"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":"192.133.103.0/24","resource_type":"ipv4","page":"https://rirtracker.com/ip/192.133.103.0-192.133.103.255/","statistics_now":{"registry":"ARIN","status":"allocated (dated 2019-12-20)"},"current_holder":{"rir":"ARIN","org":null,"how":"ARIN's latest statistics"},"rdap_snapshots":[],"transfers":[],"events":[{"event_id":"03eb0b3ab8058e85","registry":"ARIN","report_date":"2019-12-20","source":"arin_issued","raw_action":"ADD","raw_line":"Add 192.133.103.0-192.133.103.255","resource_type":"ipv4","resource":"192.133.103.0/24","start":"192.133.103.0","end":"192.133.103.255","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":"2026-10-13T23:52:40+00:00","page":"https://rirtracker.com/ip/192.133.103.0-192.133.103.255/#e-03eb0b3ab8058e85","report_page":"https://rirtracker.com/arin/reports/2019-12-20/","evidence_url":"https://rirtracker.com/api/v1/resources/ip/192.133.103.0-192.133.103.255.json","explanation":"No transfer record matches. ARIN's statistics show it reserved on 2019-12-19 and assigned (dated 2019-12-20) on 2019-12-21. The tracker saw this range released from hold on 2019-12-17 (192.133.103.0-192.133.103.255), so it appears to have been issued again from ARIN's pool.","evidence":[{"type":"arin_issued","url":"https://lists.arin.net/pipermail/arin-issued/2019-December/004026.html","retrieved_at":"2026-10-12T18:40:43+00:00","summary":"ARIN-Issued report for 2019-12-20: \"Add 192.133.103.0-192.133.103.255\""},{"type":"delegated_before","url":"https://ftp.arin.net/pub/stats/arin/archive/2019/delegated-arin-extended-20191219.gz","retrieved_at":"2026-10-12T22:16:08+00:00","summary":"ARIN delegated statistics 2019-12-19 (produced 2019-12-19T15:00:14+00:00), before the report: reserved"},{"type":"delegated_after","url":"https://ftp.arin.net/pub/stats/arin/archive/2019/delegated-arin-extended-20191221.gz","retrieved_at":"2026-10-12T22:16:24+00:00","summary":"ARIN delegated statistics 2019-12-21 (produced 2019-12-21T15:00:13+00:00), after the report: assigned (dated 2019-12-20)"}]},{"event_id":"178c9ebf5a1df405","registry":"ARIN","report_date":"2019-12-20","source":"arin_issued","raw_action":"REMOVE","raw_line":"Remove 192.133.103.0-192.133.103.255","resource_type":"ipv4","resource":"192.133.103.0/24","start":"192.133.103.0","end":"192.133.103.255","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":"2026-10-13T23:52:40+00:00","page":"https://rirtracker.com/ip/192.133.103.0-192.133.103.255/#e-178c9ebf5a1df405","report_page":"https://rirtracker.com/arin/reports/2019-12-20/","evidence_url":"https://rirtracker.com/api/v1/resources/ip/192.133.103.0-192.133.103.255.json","explanation":"ARIN's statistics show it reserved on 2019-12-19 and assigned (dated 2019-12-20) on 2019-12-21. ARIN removed its own pool record for this range as part of issuing it: the same report adds 192.133.103.0-192.133.103.255. The issuance is explained on that line.","evidence":[{"type":"arin_issued","url":"https://lists.arin.net/pipermail/arin-issued/2019-December/004026.html","retrieved_at":"2026-10-12T18:40:43+00:00","summary":"ARIN-Issued report for 2019-12-20: \"Remove 192.133.103.0-192.133.103.255\""},{"type":"delegated_before","url":"https://ftp.arin.net/pub/stats/arin/archive/2019/delegated-arin-extended-20191219.gz","retrieved_at":"2026-10-12T22:16:08+00:00","summary":"ARIN delegated statistics 2019-12-19 (produced 2019-12-19T15:00:14+00:00), before the report: reserved"},{"type":"delegated_after","url":"https://ftp.arin.net/pub/stats/arin/archive/2019/delegated-arin-extended-20191221.gz","retrieved_at":"2026-10-12T22:16:24+00:00","summary":"ARIN delegated statistics 2019-12-21 (produced 2019-12-21T15:00:13+00:00), after the report: assigned (dated 2019-12-20)"}]},{"event_id":"0cf15bc23e7a044c","registry":"ARIN","report_date":"2019-12-17","source":"arin_issued","raw_action":"REMOVE","raw_line":"Remove 192.133.103.0-192.133.103.255","resource_type":"ipv4","resource":"192.133.103.0/24","start":"192.133.103.0","end":"192.133.103.255","classification":"NO_MATERIAL_CHANGE","classification_label":"No substantive resource change found","confidence":"STRONG_INFERENCE","source_rir":null,"recipient_rir":null,"source_organization":null,"recipient_organization":null,"inventory_effect":"No effect on ARIN applicant inventory","inventory_effect_code":"NO_EFFECT","provisional":false,"classifier_version":"1.4.0","classified_at":"2026-10-13T23:52:40+00:00","page":"https://rirtracker.com/ip/192.133.103.0-192.133.103.255/#e-0cf15bc23e7a044c","report_page":"https://rirtracker.com/arin/reports/2019-12-17/","evidence_url":"https://rirtracker.com/api/v1/resources/ip/192.133.103.0-192.133.103.255.json","explanation":"ARIN-Issued lists it as \"Remove\", but ARIN's statistics show the same record before and after (reserved).","evidence":[{"type":"arin_issued","url":"https://lists.arin.net/pipermail/arin-issued/2019-December/004023.html","retrieved_at":"2026-10-12T18:40:43+00:00","summary":"ARIN-Issued report for 2019-12-17: \"Remove 192.133.103.0-192.133.103.255\""},{"type":"delegated_before","url":"https://ftp.arin.net/pub/stats/arin/archive/2019/delegated-arin-extended-20191216.gz","retrieved_at":"2026-10-12T22:16:01+00:00","summary":"ARIN delegated statistics 2019-12-16 (produced 2019-12-16T15:00:13+00:00), before the report: reserved"},{"type":"delegated_after","url":"https://ftp.arin.net/pub/stats/arin/archive/2019/delegated-arin-extended-20191218.gz","retrieved_at":"2026-10-12T22:16:06+00:00","summary":"ARIN delegated statistics 2019-12-18 (produced 2019-12-18T15:00:14+00:00), after the report: reserved"}]},{"event_id":"352c503b2430a147","registry":"ARIN","report_date":"2019-03-18","source":"statistics","raw_action":"NOT_IN_ARIN_ISSUED","raw_line":null,"resource_type":"ipv4","resource":"192.133.103.0/24","start":"192.133.103.0","end":"192.133.103.255","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":"2026-10-14T00:05:23+00:00","page":"https://rirtracker.com/ip/192.133.103.0-192.133.103.255/#e-352c503b2430a147","report_page":"https://rirtracker.com/arin/reports/2019-03-18/","evidence_url":"https://rirtracker.com/api/v1/resources/ip/192.133.103.0-192.133.103.255.json","observed":"192.133.103.0/24 assigned on 2019-03-18, reserved on 2019-03-19","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":"2019-05-17","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 assigned (dated 2018-04-17) on 2019-03-17 and reserved on 2019-03-19. 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 2019-05-17. This does not confirm availability.","evidence":[{"type":"statistics_diff","url":"https://ftp.arin.net/pub/stats/arin/archive/2019/delegated-arin-extended-20190319.gz","retrieved_at":"2026-10-12T22:02:06+00:00","summary":"Not listed in ARIN-Issued; found by comparing ARIN's daily statistics: 192.133.103.0/24 assigned on 2019-03-18, reserved on 2019-03-19"},{"type":"delegated_before","url":"https://ftp.arin.net/pub/stats/arin/archive/2019/delegated-arin-extended-20190317.gz","retrieved_at":"2026-10-12T22:02:01+00:00","summary":"ARIN delegated statistics 2019-03-17 (produced 2019-03-17T05:00:16+00:00), before the report: assigned (dated 2018-04-17)"},{"type":"delegated_after","url":"https://ftp.arin.net/pub/stats/arin/archive/2019/delegated-arin-extended-20190319.gz","retrieved_at":"2026-10-12T22:02:06+00:00","summary":"ARIN delegated statistics 2019-03-19 (produced 2019-03-19T05:00:16+00:00), after the report: reserved"}]},{"event_id":"16831f5e8f738ea2","registry":"ARIN","report_date":"2018-04-17","source":"arin_issued","raw_action":"ADD","raw_line":"Add 192.133.103.0-192.133.103.255","resource_type":"ipv4","resource":"192.133.103.0/24","start":"192.133.103.0","end":"192.133.103.255","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":"2026-10-13T23:52:08+00:00","page":"https://rirtracker.com/ip/192.133.103.0-192.133.103.255/#e-16831f5e8f738ea2","report_page":"https://rirtracker.com/arin/reports/2018-04-17/","evidence_url":"https://rirtracker.com/api/v1/resources/ip/192.133.103.0-192.133.103.255.json","explanation":"No transfer record matches. ARIN's statistics show it reserved on 2018-04-16 and assigned (dated 2018-04-17) on 2018-04-18. 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/2018-April/003415.html","retrieved_at":"2026-10-12T18:40:01+00:00","summary":"ARIN-Issued report for 2018-04-17: \"Add 192.133.103.0-192.133.103.255\""},{"type":"delegated_before","url":"https://ftp.arin.net/pub/stats/arin/archive/2018/delegated-arin-extended-20180416.gz","retrieved_at":"2026-10-12T21:44:51+00:00","summary":"ARIN delegated statistics 2018-04-16 (produced 2018-04-16T05:09:18+00:00), before the report: reserved"},{"type":"delegated_after","url":"https://ftp.arin.net/pub/stats/arin/archive/2018/delegated-arin-extended-20180418.gz","retrieved_at":"2026-10-12T21:44:56+00:00","summary":"ARIN delegated statistics 2018-04-18 (produced 2018-04-18T05:09:51+00:00), after the report: assigned (dated 2018-04-17)"}]},{"event_id":"445223dbd0ef409b","registry":"ARIN","report_date":"2018-04-17","source":"arin_issued","raw_action":"REMOVE","raw_line":"Remove 192.133.103.0-192.133.103.255","resource_type":"ipv4","resource":"192.133.103.0/24","start":"192.133.103.0","end":"192.133.103.255","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":"2026-10-13T23:52:08+00:00","page":"https://rirtracker.com/ip/192.133.103.0-192.133.103.255/#e-445223dbd0ef409b","report_page":"https://rirtracker.com/arin/reports/2018-04-17/","evidence_url":"https://rirtracker.com/api/v1/resources/ip/192.133.103.0-192.133.103.255.json","explanation":"ARIN's statistics show it reserved on 2018-04-16 and assigned (dated 2018-04-17) on 2018-04-18. ARIN removed its own pool record for this range as part of issuing it: the same report adds 192.133.103.0-192.133.103.255. The issuance is explained on that line.","evidence":[{"type":"arin_issued","url":"https://lists.arin.net/pipermail/arin-issued/2018-April/003415.html","retrieved_at":"2026-10-12T18:40:01+00:00","summary":"ARIN-Issued report for 2018-04-17: \"Remove 192.133.103.0-192.133.103.255\""},{"type":"delegated_before","url":"https://ftp.arin.net/pub/stats/arin/archive/2018/delegated-arin-extended-20180416.gz","retrieved_at":"2026-10-12T21:44:51+00:00","summary":"ARIN delegated statistics 2018-04-16 (produced 2018-04-16T05:09:18+00:00), before the report: reserved"},{"type":"delegated_after","url":"https://ftp.arin.net/pub/stats/arin/archive/2018/delegated-arin-extended-20180418.gz","retrieved_at":"2026-10-12T21:44:56+00:00","summary":"ARIN delegated statistics 2018-04-18 (produced 2018-04-18T05:09:51+00:00), after the report: assigned (dated 2018-04-17)"}]},{"event_id":"f2448b76e4fc370d","registry":"RIPE NCC","report_date":"2014-04-18","source":"statistics","raw_action":"RELEASED","raw_line":null,"resource_type":"ipv4","resource":"192.133.103.0/24","start":"192.133.103.0","end":"192.133.103.255","classification":"HOLD_RELEASED","classification_label":"Released from hold (the RIPE NCC lists it as 'available')","confidence":"STRONG_INFERENCE","source_rir":null,"recipient_rir":null,"source_organization":null,"recipient_organization":null,"inventory_effect":"The RIPE NCC's statistics now list it as 'available'; reissue not confirmed","inventory_effect_code":"RELEASED","provisional":false,"classifier_version":"1.4.0","classified_at":"2026-10-13T23:58:09+00:00","page":"https://rirtracker.com/ip/192.133.103.0-192.133.103.255/#e-f2448b76e4fc370d","report_page":"https://rirtracker.com/ripe/reports/2014-04-18/","evidence_url":"https://rirtracker.com/api/v1/resources/ip/192.133.103.0-192.133.103.255.json","observed":"192.133.103.0/24 reserved on 2014-04-17, available on 2014-04-18","explanation":"The RIPE NCC's statistics show it reserved on 2014-04-17 and available on 2014-04-18. The RIPE NCC moved it from its reserved (held) records to the status it calls 'available'. The tracker saw it removed from registration on 2012-05-15, 703 days earlier. That is the RIPE NCC's own label: whether and when it is reissued is not confirmed.","evidence":[{"type":"statistics_diff","url":"https://ftp.ripe.net/pub/stats/ripencc/2014/delegated-ripencc-extended-20140418.bz2","retrieved_at":"2026-10-12T19:58:43+00:00","summary":"Found by comparing the RIPE NCC's daily statistics: 192.133.103.0/24 reserved on 2014-04-17, available on 2014-04-18"},{"type":"delegated_before","url":"https://ftp.ripe.net/pub/stats/ripencc/2014/delegated-ripencc-extended-20140417.bz2","retrieved_at":"2026-10-12T19:58:40+00:00","summary":"RIPE NCC delegated statistics 2014-04-17 (produced 2014-04-17T21:59:59+00:00), before the change: reserved"},{"type":"delegated_after","url":"https://ftp.ripe.net/pub/stats/ripencc/2014/delegated-ripencc-extended-20140418.bz2","retrieved_at":"2026-10-12T19:58:43+00:00","summary":"RIPE NCC delegated statistics 2014-04-18 (produced 2014-04-18T21:59:59+00:00), after the change: available"}]},{"event_id":"0ad3ff244811ba26","registry":"RIPE NCC","report_date":"2012-05-15","source":"statistics","raw_action":"REMOVED","raw_line":null,"resource_type":"ipv4","resource":"192.133.103.0/24","start":"192.133.103.0","end":"192.133.103.255","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":"2026-10-13T23:56:18+00:00","page":"https://rirtracker.com/ip/192.133.103.0-192.133.103.255/#e-0ad3ff244811ba26","report_page":"https://rirtracker.com/ripe/reports/2012-05-15/","evidence_url":"https://rirtracker.com/api/v1/resources/ip/192.133.103.0-192.133.103.255.json","observed":"192.133.103.0/24 assigned on 2012-05-14, reserved on 2012-05-15","explanation":"Removed from active registration. The tracker found it by comparing the RIPE NCC's daily statistics. The RIPE NCC's statistics show it assigned (dated 1991-11-29) on 2012-05-14 and reserved on 2012-05-15. Public sources do not distinguish a voluntary return, revocation, or reclamation. The RIPE NCC's current hold for IPv4 space applies to removals from 2014-03-26 on, and this one came earlier, so the tracker gives no estimate. This does not confirm availability.","evidence":[{"type":"statistics_diff","url":"https://ftp.ripe.net/pub/stats/ripencc/2012/delegated-ripencc-extended-20120515.bz2","retrieved_at":"2026-10-12T19:16:22+00:00","summary":"Found by comparing the RIPE NCC's daily statistics: 192.133.103.0/24 assigned on 2012-05-14, reserved on 2012-05-15"},{"type":"delegated_before","url":"https://ftp.ripe.net/pub/stats/ripencc/2012/delegated-ripencc-extended-20120514.bz2","retrieved_at":"2026-10-12T19:16:19+00:00","summary":"RIPE NCC delegated statistics 2012-05-14 (produced 2012-05-14T21:59:59+00:00), before the change: assigned (dated 1991-11-29)"},{"type":"delegated_after","url":"https://ftp.ripe.net/pub/stats/ripencc/2012/delegated-ripencc-extended-20120515.bz2","retrieved_at":"2026-10-12T19:16:22+00:00","summary":"RIPE NCC delegated statistics 2012-05-15 (produced 2012-05-15T21:59:59+00:00), after the change: reserved"}]}],"classification_history":{"03eb0b3ab8058e85":[{"raw_change_id":162834,"classification_code":"APPARENT_REISSUANCE","confidence":"STRONG_INFERENCE","classifier_version":"1.3.0","classified_at":"2026-10-13T03:46:35+00:00","current":0,"public_explanation":"No transfer record matches. ARIN's statistics show it reserved on 2019-12-19 and assigned (dated 2019-12-20) on 2019-12-21. The tracker saw this range released from hold on 2019-12-17 (192.133.103.0-192.133.103.255), so it appears to have been issued again from ARIN's pool."},{"raw_change_id":162834,"classification_code":"APPARENT_REISSUANCE","confidence":"STRONG_INFERENCE","classifier_version":"1.3.1","classified_at":"2026-10-13T08:06:41+00:00","current":0,"public_explanation":"No transfer record matches. ARIN's statistics show it reserved on 2019-12-19 and assigned (dated 2019-12-20) on 2019-12-21. The tracker saw this range released from hold on 2019-12-17 (192.133.103.0-192.133.103.255), so it appears to have been issued again from ARIN's pool."},{"raw_change_id":162834,"classification_code":"APPARENT_REISSUANCE","confidence":"STRONG_INFERENCE","classifier_version":"1.3.2","classified_at":"2026-10-13T14:49:25+00:00","current":0,"public_explanation":"No transfer record matches. ARIN's statistics show it reserved on 2019-12-19 and assigned (dated 2019-12-20) on 2019-12-21. The tracker saw this range released from hold on 2019-12-17 (192.133.103.0-192.133.103.255), so it appears to have been issued again from ARIN's pool."},{"raw_change_id":162834,"classification_code":"APPARENT_REISSUANCE","confidence":"STRONG_INFERENCE","classifier_version":"1.4.0","classified_at":"2026-10-13T23:52:40+00:00","current":1,"public_explanation":"No transfer record matches. ARIN's statistics show it reserved on 2019-12-19 and assigned (dated 2019-12-20) on 2019-12-21. The tracker saw this range released from hold on 2019-12-17 (192.133.103.0-192.133.103.255), so it appears to have been issued again from ARIN's pool."}],"178c9ebf5a1df405":[{"raw_change_id":162805,"classification_code":"POOL_RECORD_CHANGE","confidence":"STRONG_INFERENCE","classifier_version":"1.3.0","classified_at":"2026-10-13T03:46:34+00:00","current":0,"public_explanation":"ARIN's statistics show it reserved on 2019-12-19 and assigned (dated 2019-12-20) on 2019-12-21. ARIN removed its own pool record for this range as part of issuing it: the same report adds 192.133.103.0-192.133.103.255. The issuance is explained on that line."},{"raw_change_id":162805,"classification_code":"POOL_RECORD_CHANGE","confidence":"STRONG_INFERENCE","classifier_version":"1.3.1","classified_at":"2026-10-13T08:06:41+00:00","current":0,"public_explanation":"ARIN's statistics show it reserved on 2019-12-19 and assigned (dated 2019-12-20) on 2019-12-21. ARIN removed its own pool record for this range as part of issuing it: the same report adds 192.133.103.0-192.133.103.255. The issuance is explained on that line."},{"raw_change_id":162805,"classification_code":"POOL_RECORD_CHANGE","confidence":"STRONG_INFERENCE","classifier_version":"1.3.2","classified_at":"2026-10-13T14:49:25+00:00","current":0,"public_explanation":"ARIN's statistics show it reserved on 2019-12-19 and assigned (dated 2019-12-20) on 2019-12-21. ARIN removed its own pool record for this range as part of issuing it: the same report adds 192.133.103.0-192.133.103.255. The issuance is explained on that line."},{"raw_change_id":162805,"classification_code":"POOL_RECORD_CHANGE","confidence":"STRONG_INFERENCE","classifier_version":"1.4.0","classified_at":"2026-10-13T23:52:40+00:00","current":1,"public_explanation":"ARIN's statistics show it reserved on 2019-12-19 and assigned (dated 2019-12-20) on 2019-12-21. ARIN removed its own pool record for this range as part of issuing it: the same report adds 192.133.103.0-192.133.103.255. The issuance is explained on that line."}],"0cf15bc23e7a044c":[{"raw_change_id":162592,"classification_code":"NO_MATERIAL_CHANGE","confidence":"STRONG_INFERENCE","classifier_version":"1.3.0","classified_at":"2026-10-13T03:46:25+00:00","current":0,"public_explanation":"ARIN-Issued lists it as \"Remove\", but ARIN's statistics show the same record before and after (reserved)."},{"raw_change_id":162592,"classification_code":"NO_MATERIAL_CHANGE","confidence":"STRONG_INFERENCE","classifier_version":"1.3.1","classified_at":"2026-10-13T08:06:40+00:00","current":0,"public_explanation":"ARIN-Issued lists it as \"Remove\", but ARIN's statistics show the same record before and after (reserved)."},{"raw_change_id":162592,"classification_code":"NO_MATERIAL_CHANGE","confidence":"STRONG_INFERENCE","classifier_version":"1.3.2","classified_at":"2026-10-13T14:49:24+00:00","current":0,"public_explanation":"ARIN-Issued lists it as \"Remove\", but ARIN's statistics show the same record before and after (reserved)."},{"raw_change_id":162592,"classification_code":"NO_MATERIAL_CHANGE","confidence":"STRONG_INFERENCE","classifier_version":"1.4.0","classified_at":"2026-10-13T23:52:40+00:00","current":1,"public_explanation":"ARIN-Issued lists it as \"Remove\", but ARIN's statistics show the same record before and after (reserved)."}],"352c503b2430a147":[{"raw_change_id":370887,"classification_code":"REMOVED_REASON_UNKNOWN","confidence":"STRONG_INFERENCE","classifier_version":"1.3.0","classified_at":"2026-10-13T05:28:55+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 assigned (dated 2018-04-17) on 2019-03-17 and reserved on 2019-03-19. 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 2019-05-17. This does not confirm availability."},{"raw_change_id":370887,"classification_code":"REMOVED_REASON_UNKNOWN","confidence":"STRONG_INFERENCE","classifier_version":"1.3.1","classified_at":"2026-10-13T08:17:19+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 assigned (dated 2018-04-17) on 2019-03-17 and reserved on 2019-03-19. 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 2019-05-17. This does not confirm availability."},{"raw_change_id":370887,"classification_code":"REMOVED_REASON_UNKNOWN","confidence":"STRONG_INFERENCE","classifier_version":"1.3.2","classified_at":"2026-10-13T15:01:00+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 assigned (dated 2018-04-17) on 2019-03-17 and reserved on 2019-03-19. 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 2019-05-17. This does not confirm availability."},{"raw_change_id":370887,"classification_code":"REMOVED_REASON_UNKNOWN","confidence":"STRONG_INFERENCE","classifier_version":"1.4.0","classified_at":"2026-10-14T00:05:23+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 assigned (dated 2018-04-17) on 2019-03-17 and reserved on 2019-03-19. 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 2019-05-17. This does not confirm availability."}],"16831f5e8f738ea2":[{"raw_change_id":154176,"classification_code":"APPARENT_REISSUANCE","confidence":"STRONG_INFERENCE","classifier_version":"1.3.0","classified_at":"2026-10-13T03:41:01+00:00","current":0,"public_explanation":"No transfer record matches. ARIN's statistics show it reserved on 2018-04-16 and assigned (dated 2018-04-17) on 2018-04-18. The tracker saw this range released from hold on 2011-06-06 (69.57.208.0-216.250.127.255), so it appears to have been issued again from ARIN's pool."},{"raw_change_id":154176,"classification_code":"APPARENT_REISSUANCE","confidence":"STRONG_INFERENCE","classifier_version":"1.3.1","classified_at":"2026-10-13T08:06:16+00:00","current":0,"public_explanation":"No transfer record matches. ARIN's statistics show it reserved on 2018-04-16 and assigned (dated 2018-04-17) on 2018-04-18. The tracker saw this range released from hold on 2011-06-06 (69.57.208.0-216.250.127.255), so it appears to have been issued again from ARIN's pool."},{"raw_change_id":154176,"classification_code":"APPARENT_NEW_ISSUANCE","confidence":"STRONG_INFERENCE","classifier_version":"1.3.2","classified_at":"2026-10-13T14:48:57+00:00","current":0,"public_explanation":"No transfer record matches. ARIN's statistics show it reserved on 2018-04-16 and assigned (dated 2018-04-17) on 2018-04-18. It moved from ARIN's unissued pool to an active registration dated around the report, so it appears to be newly issued by ARIN."},{"raw_change_id":154176,"classification_code":"APPARENT_NEW_ISSUANCE","confidence":"STRONG_INFERENCE","classifier_version":"1.4.0","classified_at":"2026-10-13T23:52:08+00:00","current":1,"public_explanation":"No transfer record matches. ARIN's statistics show it reserved on 2018-04-16 and assigned (dated 2018-04-17) on 2018-04-18. It moved from ARIN's unissued pool to an active registration dated around the report, so it appears to be newly issued by ARIN."}],"445223dbd0ef409b":[{"raw_change_id":154164,"classification_code":"POOL_RECORD_CHANGE","confidence":"STRONG_INFERENCE","classifier_version":"1.3.0","classified_at":"2026-10-13T03:41:01+00:00","current":0,"public_explanation":"ARIN's statistics show it reserved on 2018-04-16 and assigned (dated 2018-04-17) on 2018-04-18. ARIN removed its own pool record for this range as part of issuing it: the same report adds 192.133.103.0-192.133.103.255. The issuance is explained on that line."},{"raw_change_id":154164,"classification_code":"POOL_RECORD_CHANGE","confidence":"STRONG_INFERENCE","classifier_version":"1.3.1","classified_at":"2026-10-13T08:06:16+00:00","current":0,"public_explanation":"ARIN's statistics show it reserved on 2018-04-16 and assigned (dated 2018-04-17) on 2018-04-18. ARIN removed its own pool record for this range as part of issuing it: the same report adds 192.133.103.0-192.133.103.255. The issuance is explained on that line."},{"raw_change_id":154164,"classification_code":"POOL_RECORD_CHANGE","confidence":"STRONG_INFERENCE","classifier_version":"1.3.2","classified_at":"2026-10-13T14:48:57+00:00","current":0,"public_explanation":"ARIN's statistics show it reserved on 2018-04-16 and assigned (dated 2018-04-17) on 2018-04-18. ARIN removed its own pool record for this range as part of issuing it: the same report adds 192.133.103.0-192.133.103.255. The issuance is explained on that line."},{"raw_change_id":154164,"classification_code":"POOL_RECORD_CHANGE","confidence":"STRONG_INFERENCE","classifier_version":"1.4.0","classified_at":"2026-10-13T23:52:08+00:00","current":1,"public_explanation":"ARIN's statistics show it reserved on 2018-04-16 and assigned (dated 2018-04-17) on 2018-04-18. ARIN removed its own pool record for this range as part of issuing it: the same report adds 192.133.103.0-192.133.103.255. The issuance is explained on that line."}],"f2448b76e4fc370d":[{"raw_change_id":258392,"classification_code":"HOLD_RELEASED","confidence":"STRONG_INFERENCE","classifier_version":"1.3.0","classified_at":"2026-10-13T04:35:02+00:00","current":0,"public_explanation":"The RIPE NCC's statistics show it reserved on 2014-04-17 and available on 2014-04-18. The RIPE NCC moved it from its reserved (held) records to the status it calls 'available'. The tracker saw it removed from registration on 2012-05-15, 703 days earlier. That is the RIPE NCC's own label: whether and when it is reissued is not confirmed."},{"raw_change_id":258392,"classification_code":"HOLD_RELEASED","confidence":"STRONG_INFERENCE","classifier_version":"1.3.1","classified_at":"2026-10-13T08:11:12+00:00","current":0,"public_explanation":"The RIPE NCC's statistics show it reserved on 2014-04-17 and available on 2014-04-18. The RIPE NCC moved it from its reserved (held) records to the status it calls 'available'. The tracker saw it removed from registration on 2012-05-15, 703 days earlier. That is the RIPE NCC's own label: whether and when it is reissued is not confirmed."},{"raw_change_id":258392,"classification_code":"HOLD_RELEASED","confidence":"STRONG_INFERENCE","classifier_version":"1.3.2","classified_at":"2026-10-13T14:54:23+00:00","current":0,"public_explanation":"The RIPE NCC's statistics show it reserved on 2014-04-17 and available on 2014-04-18. The RIPE NCC moved it from its reserved (held) records to the status it calls 'available'. The tracker saw it removed from registration on 2012-05-15, 703 days earlier. That is the RIPE NCC's own label: whether and when it is reissued is not confirmed."},{"raw_change_id":258392,"classification_code":"HOLD_RELEASED","confidence":"STRONG_INFERENCE","classifier_version":"1.4.0","classified_at":"2026-10-13T23:58:09+00:00","current":1,"public_explanation":"The RIPE NCC's statistics show it reserved on 2014-04-17 and available on 2014-04-18. The RIPE NCC moved it from its reserved (held) records to the status it calls 'available'. The tracker saw it removed from registration on 2012-05-15, 703 days earlier. That is the RIPE NCC's own label: whether and when it is reissued is not confirmed."}],"0ad3ff244811ba26":[{"raw_change_id":226195,"classification_code":"REMOVED_REASON_UNKNOWN","confidence":"STRONG_INFERENCE","classifier_version":"1.3.0","classified_at":"2026-10-13T04:18:54+00:00","current":0,"public_explanation":"Removed from active registration. The tracker found it by comparing the RIPE NCC's daily statistics. The RIPE NCC's statistics show it assigned (dated 1991-11-29) on 2012-05-14 and reserved on 2012-05-15. Public sources do not distinguish a voluntary return, revocation, or reclamation. The RIPE NCC holds returned, revoked and reclaimed IPv4 space for 180 days (six months), or longer while still routed, before reissuing it, so the earliest estimated hold expiration is 2012-11-11. This does not confirm availability."},{"raw_change_id":226195,"classification_code":"REMOVED_REASON_UNKNOWN","confidence":"STRONG_INFERENCE","classifier_version":"1.3.1","classified_at":"2026-10-13T08:09:34+00:00","current":0,"public_explanation":"Removed from active registration. The tracker found it by comparing the RIPE NCC's daily statistics. The RIPE NCC's statistics show it assigned (dated 1991-11-29) on 2012-05-14 and reserved on 2012-05-15. Public sources do not distinguish a voluntary return, revocation, or reclamation. The RIPE NCC's current hold for IPv4 space applies to removals from 2014-03-26 on, and this one came earlier, so the tracker gives no estimate. This does not confirm availability."},{"raw_change_id":226195,"classification_code":"REMOVED_REASON_UNKNOWN","confidence":"STRONG_INFERENCE","classifier_version":"1.3.2","classified_at":"2026-10-13T14:52:37+00:00","current":0,"public_explanation":"Removed from active registration. The tracker found it by comparing the RIPE NCC's daily statistics. The RIPE NCC's statistics show it assigned (dated 1991-11-29) on 2012-05-14 and reserved on 2012-05-15. Public sources do not distinguish a voluntary return, revocation, or reclamation. The RIPE NCC's current hold for IPv4 space applies to removals from 2014-03-26 on, and this one came earlier, so the tracker gives no estimate. This does not confirm availability."},{"raw_change_id":226195,"classification_code":"REMOVED_REASON_UNKNOWN","confidence":"STRONG_INFERENCE","classifier_version":"1.4.0","classified_at":"2026-10-13T23:56:18+00:00","current":1,"public_explanation":"Removed from active registration. The tracker found it by comparing the RIPE NCC's daily statistics. The RIPE NCC's statistics show it assigned (dated 1991-11-29) on 2012-05-14 and reserved on 2012-05-15. Public sources do not distinguish a voluntary return, revocation, or reclamation. The RIPE NCC's current hold for IPv4 space applies to removals from 2014-03-26 on, and this one came earlier, so the tracker gives no estimate. This does not confirm availability."}]},"arin_statistics_now":{"status":"allocated (dated 2019-12-20)"}}