{"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":"192.58.137.0/24","resource_type":"ipv4","page":"https://rirtracker.com/ip/192.58.137.0-192.58.137.255/","statistics_now":{"registry":"ARIN","status":"allocated (dated 2023-07-05)"},"current_holder":{"rir":"ARIN","org":null,"how":"ARIN's latest statistics"},"rdap_snapshots":[],"transfers":[],"events":[{"event_id":"886a264e4873711a","registry":"ARIN","report_date":"2023-07-05","source":"arin_issued","raw_action":"ADD","raw_line":"Add 192.58.137.0-192.58.137.255","resource_type":"ipv4","resource":"192.58.137.0/24","start":"192.58.137.0","end":"192.58.137.255","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":"2026-10-13T23:53:45+00:00","page":"https://rirtracker.com/ip/192.58.137.0-192.58.137.255/#e-886a264e4873711a","report_page":"https://rirtracker.com/arin/reports/2023-07-05/","evidence_url":"https://rirtracker.com/api/v1/resources/ip/192.58.137.0-192.58.137.255.json","explanation":"No transfer record matches. ARIN's statistics show it reserved on 2023-07-04 and allocated (dated 2023-07-05) on 2023-07-06. The tracker saw this range removed from registration on 2018-01-09 (192.58.137.0/24), so it appears to have been issued again from ARIN's pool.","evidence":[{"type":"arin_issued","url":"https://lists.arin.net/pipermail/arin-issued/2023-July/005318.html","retrieved_at":"2026-10-12T18:42:14+00:00","summary":"ARIN-Issued report for 2023-07-05: \"Add 192.58.137.0-192.58.137.255\""},{"type":"delegated_before","url":"https://ftp.arin.net/pub/stats/arin/archive/2023/delegated-arin-extended-20230704.gz","retrieved_at":"2026-10-12T23:23:24+00:00","summary":"ARIN delegated statistics 2023-07-04 (produced 2023-07-04T13:00:10+00:00), before the report: reserved"},{"type":"delegated_after","url":"https://ftp.arin.net/pub/stats/arin/archive/2023/delegated-arin-extended-20230706.gz","retrieved_at":"2026-10-12T23:23:29+00:00","summary":"ARIN delegated statistics 2023-07-06 (produced 2023-07-06T13:00:11+00:00), after the report: allocated (dated 2023-07-05)"}]},{"event_id":"3d5a9adfce752013","registry":"ARIN","report_date":"2023-07-05","source":"arin_issued","raw_action":"REMOVE","raw_line":"Remove 192.58.137.0-192.58.137.255","resource_type":"ipv4","resource":"192.58.137.0/24","start":"192.58.137.0","end":"192.58.137.255","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":"2026-10-13T23:53:45+00:00","page":"https://rirtracker.com/ip/192.58.137.0-192.58.137.255/#e-3d5a9adfce752013","report_page":"https://rirtracker.com/arin/reports/2023-07-05/","evidence_url":"https://rirtracker.com/api/v1/resources/ip/192.58.137.0-192.58.137.255.json","explanation":"ARIN's statistics show it reserved on 2023-07-04 and allocated (dated 2023-07-05) on 2023-07-06. ARIN removed its own pool record for this range as part of issuing it: the same report adds 192.58.137.0-192.58.137.255. The issuance is explained on that line.","evidence":[{"type":"arin_issued","url":"https://lists.arin.net/pipermail/arin-issued/2023-July/005318.html","retrieved_at":"2026-10-12T18:42:14+00:00","summary":"ARIN-Issued report for 2023-07-05: \"Remove 192.58.137.0-192.58.137.255\""},{"type":"delegated_before","url":"https://ftp.arin.net/pub/stats/arin/archive/2023/delegated-arin-extended-20230704.gz","retrieved_at":"2026-10-12T23:23:24+00:00","summary":"ARIN delegated statistics 2023-07-04 (produced 2023-07-04T13:00:10+00:00), before the report: reserved"},{"type":"delegated_after","url":"https://ftp.arin.net/pub/stats/arin/archive/2023/delegated-arin-extended-20230706.gz","retrieved_at":"2026-10-12T23:23:29+00:00","summary":"ARIN delegated statistics 2023-07-06 (produced 2023-07-06T13:00:11+00:00), after the report: allocated (dated 2023-07-05)"}]},{"event_id":"29c1e2efeb7ce4d5","registry":"ARIN","report_date":"2018-01-09","source":"statistics","raw_action":"NOT_IN_ARIN_ISSUED","raw_line":null,"resource_type":"ipv4","resource":"192.58.137.0/24","start":"192.58.137.0","end":"192.58.137.255","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":"2026-10-14T00:03:51+00:00","page":"https://rirtracker.com/ip/192.58.137.0-192.58.137.255/#e-29c1e2efeb7ce4d5","report_page":"https://rirtracker.com/arin/reports/2018-01-09/","evidence_url":"https://rirtracker.com/api/v1/resources/ip/192.58.137.0-192.58.137.255.json","observed":"192.58.137.0/24 assigned on 2018-01-09, reserved on 2018-01-10","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":"2018-03-10","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 2014-09-23) on 2018-01-08 and reserved on 2018-01-10. 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 2018-03-10. This does not confirm availability.","evidence":[{"type":"statistics_diff","url":"https://ftp.arin.net/pub/stats/arin/archive/2018/delegated-arin-extended-20180110.gz","retrieved_at":"2026-10-12T21:40:06+00:00","summary":"Not listed in ARIN-Issued; found by comparing ARIN's daily statistics: 192.58.137.0/24 assigned on 2018-01-09, reserved on 2018-01-10"},{"type":"delegated_before","url":"https://ftp.arin.net/pub/stats/arin/archive/2018/delegated-arin-extended-20180108.gz","retrieved_at":"2026-10-12T21:40:01+00:00","summary":"ARIN delegated statistics 2018-01-08 (produced 2018-01-08T06:10:13+00:00), before the report: assigned (dated 2014-09-23)"},{"type":"delegated_after","url":"https://ftp.arin.net/pub/stats/arin/archive/2018/delegated-arin-extended-20180110.gz","retrieved_at":"2026-10-12T21:40:06+00:00","summary":"ARIN delegated statistics 2018-01-10 (produced 2018-01-10T06:08:30+00:00), after the report: reserved"}]},{"event_id":"8a580e7e1cb76ecc","registry":"ARIN","report_date":"2017-01-10","source":"statistics","raw_action":"NOT_IN_ARIN_ISSUED","raw_line":null,"resource_type":"ipv4","resource":"192.58.137.0/24","start":"192.58.137.0","end":"192.58.137.255","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":"2026-10-14T00:02:39+00:00","page":"https://rirtracker.com/ip/192.58.137.0-192.58.137.255/#e-8a580e7e1cb76ecc","report_page":"https://rirtracker.com/arin/reports/2017-01-10/","evidence_url":"https://rirtracker.com/api/v1/resources/ip/192.58.137.0-192.58.137.255.json","observed":"192.58.137.0/24 assigned on 2017-01-10, reserved on 2017-01-11","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":"2017-03-11","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 2014-09-23) on 2017-01-09 and reserved on 2017-01-11. 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 2017-03-11. This does not confirm availability.","evidence":[{"type":"statistics_diff","url":"https://ftp.arin.net/pub/stats/arin/archive/2017/delegated-arin-extended-20170111.gz","retrieved_at":"2026-10-12T21:22:04+00:00","summary":"Not listed in ARIN-Issued; found by comparing ARIN's daily statistics: 192.58.137.0/24 assigned on 2017-01-10, reserved on 2017-01-11"},{"type":"delegated_before","url":"https://ftp.arin.net/pub/stats/arin/archive/2017/delegated-arin-extended-20170109.gz","retrieved_at":"2026-10-12T21:22:00+00:00","summary":"ARIN delegated statistics 2017-01-09 (produced 2017-01-09T06:09:24+00:00), before the report: assigned (dated 2014-09-23)"},{"type":"delegated_after","url":"https://ftp.arin.net/pub/stats/arin/archive/2017/delegated-arin-extended-20170111.gz","retrieved_at":"2026-10-12T21:22:04+00:00","summary":"ARIN delegated statistics 2017-01-11 (produced 2017-01-11T06:10:50+00:00), after the report: reserved"}]},{"event_id":"01cb320a806118bd","registry":"ARIN","report_date":"2014-09-23","source":"arin_issued","raw_action":"ADD","raw_line":"Add 192.58.137.0-192.58.137.255","resource_type":"ipv4","resource":"192.58.137.0/24","start":"192.58.137.0","end":"192.58.137.255","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":"2026-10-13T23:51:15+00:00","page":"https://rirtracker.com/ip/192.58.137.0-192.58.137.255/#e-01cb320a806118bd","report_page":"https://rirtracker.com/arin/reports/2014-09-23/","evidence_url":"https://rirtracker.com/api/v1/resources/ip/192.58.137.0-192.58.137.255.json","explanation":"No transfer record matches. ARIN's statistics show it available on 2014-09-22 and assigned (dated 2014-09-23) on 2014-09-24. 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/2014-September/002113.html","retrieved_at":"2026-10-12T18:38:30+00:00","summary":"ARIN-Issued report for 2014-09-23: \"Add 192.58.137.0-192.58.137.255\""},{"type":"delegated_before","url":"https://ftp.arin.net/pub/stats/arin/archive/2014/delegated-arin-extended-20140922.gz","retrieved_at":"2026-10-12T20:41:27+00:00","summary":"ARIN delegated statistics 2014-09-22 (produced 2014-09-22T05:04:41+00:00), before the report: available"},{"type":"delegated_after","url":"https://ftp.arin.net/pub/stats/arin/archive/2014/delegated-arin-extended-20140924.gz","retrieved_at":"2026-10-12T20:41:32+00:00","summary":"ARIN delegated statistics 2014-09-24 (produced 2014-09-24T05:03:56+00:00), after the report: assigned (dated 2014-09-23)"}]},{"event_id":"92cc6e310c695701","registry":"ARIN","report_date":"2014-09-23","source":"arin_issued","raw_action":"REMOVE","raw_line":"Remove 192.58.137.0-192.58.137.255","resource_type":"ipv4","resource":"192.58.137.0/24","start":"192.58.137.0","end":"192.58.137.255","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":"2026-10-13T23:51:15+00:00","page":"https://rirtracker.com/ip/192.58.137.0-192.58.137.255/#e-92cc6e310c695701","report_page":"https://rirtracker.com/arin/reports/2014-09-23/","evidence_url":"https://rirtracker.com/api/v1/resources/ip/192.58.137.0-192.58.137.255.json","explanation":"ARIN's statistics show it available on 2014-09-22 and assigned (dated 2014-09-23) on 2014-09-24. ARIN removed its own pool record for this range as part of issuing it: the same report adds 192.58.137.0-192.58.137.255. The issuance is explained on that line.","evidence":[{"type":"arin_issued","url":"https://lists.arin.net/pipermail/arin-issued/2014-September/002113.html","retrieved_at":"2026-10-12T18:38:30+00:00","summary":"ARIN-Issued report for 2014-09-23: \"Remove 192.58.137.0-192.58.137.255\""},{"type":"delegated_before","url":"https://ftp.arin.net/pub/stats/arin/archive/2014/delegated-arin-extended-20140922.gz","retrieved_at":"2026-10-12T20:41:27+00:00","summary":"ARIN delegated statistics 2014-09-22 (produced 2014-09-22T05:04:41+00:00), before the report: available"},{"type":"delegated_after","url":"https://ftp.arin.net/pub/stats/arin/archive/2014/delegated-arin-extended-20140924.gz","retrieved_at":"2026-10-12T20:41:32+00:00","summary":"ARIN delegated statistics 2014-09-24 (produced 2014-09-24T05:03:56+00:00), after the report: assigned (dated 2014-09-23)"}]}],"classification_history":{"886a264e4873711a":[{"raw_change_id":182391,"classification_code":"APPARENT_REISSUANCE","confidence":"STRONG_INFERENCE","classifier_version":"1.3.0","classified_at":"2026-10-13T03:59:29+00:00","current":0,"public_explanation":"No transfer record matches. ARIN's statistics show it reserved on 2023-07-04 and allocated (dated 2023-07-05) on 2023-07-06. The tracker saw this range removed from registration on 2018-01-09 (192.58.137.0/24), so it appears to have been issued again from ARIN's pool."},{"raw_change_id":182391,"classification_code":"APPARENT_REISSUANCE","confidence":"STRONG_INFERENCE","classifier_version":"1.3.1","classified_at":"2026-10-13T08:07:29+00:00","current":0,"public_explanation":"No transfer record matches. ARIN's statistics show it reserved on 2023-07-04 and allocated (dated 2023-07-05) on 2023-07-06. The tracker saw this range removed from registration on 2018-01-09 (192.58.137.0/24), so it appears to have been issued again from ARIN's pool."},{"raw_change_id":182391,"classification_code":"APPARENT_REISSUANCE","confidence":"STRONG_INFERENCE","classifier_version":"1.3.2","classified_at":"2026-10-13T14:50:19+00:00","current":0,"public_explanation":"No transfer record matches. ARIN's statistics show it reserved on 2023-07-04 and allocated (dated 2023-07-05) on 2023-07-06. The tracker saw this range removed from registration on 2018-01-09 (192.58.137.0/24), so it appears to have been issued again from ARIN's pool."},{"raw_change_id":182391,"classification_code":"APPARENT_REISSUANCE","confidence":"STRONG_INFERENCE","classifier_version":"1.4.0","classified_at":"2026-10-13T23:53:45+00:00","current":1,"public_explanation":"No transfer record matches. ARIN's statistics show it reserved on 2023-07-04 and allocated (dated 2023-07-05) on 2023-07-06. The tracker saw this range removed from registration on 2018-01-09 (192.58.137.0/24), so it appears to have been issued again from ARIN's pool."}],"3d5a9adfce752013":[{"raw_change_id":182336,"classification_code":"POOL_RECORD_CHANGE","confidence":"STRONG_INFERENCE","classifier_version":"1.3.0","classified_at":"2026-10-13T03:59:27+00:00","current":0,"public_explanation":"ARIN's statistics show it reserved on 2023-07-04 and allocated (dated 2023-07-05) on 2023-07-06. ARIN removed its own pool record for this range as part of issuing it: the same report adds 192.58.137.0-192.58.137.255. The issuance is explained on that line."},{"raw_change_id":182336,"classification_code":"POOL_RECORD_CHANGE","confidence":"STRONG_INFERENCE","classifier_version":"1.3.1","classified_at":"2026-10-13T08:07:29+00:00","current":0,"public_explanation":"ARIN's statistics show it reserved on 2023-07-04 and allocated (dated 2023-07-05) on 2023-07-06. ARIN removed its own pool record for this range as part of issuing it: the same report adds 192.58.137.0-192.58.137.255. The issuance is explained on that line."},{"raw_change_id":182336,"classification_code":"POOL_RECORD_CHANGE","confidence":"STRONG_INFERENCE","classifier_version":"1.3.2","classified_at":"2026-10-13T14:50:19+00:00","current":0,"public_explanation":"ARIN's statistics show it reserved on 2023-07-04 and allocated (dated 2023-07-05) on 2023-07-06. ARIN removed its own pool record for this range as part of issuing it: the same report adds 192.58.137.0-192.58.137.255. The issuance is explained on that line."},{"raw_change_id":182336,"classification_code":"POOL_RECORD_CHANGE","confidence":"STRONG_INFERENCE","classifier_version":"1.4.0","classified_at":"2026-10-13T23:53:45+00:00","current":1,"public_explanation":"ARIN's statistics show it reserved on 2023-07-04 and allocated (dated 2023-07-05) on 2023-07-06. ARIN removed its own pool record for this range as part of issuing it: the same report adds 192.58.137.0-192.58.137.255. The issuance is explained on that line."}],"29c1e2efeb7ce4d5":[{"raw_change_id":347168,"classification_code":"REMOVED_REASON_UNKNOWN","confidence":"STRONG_INFERENCE","classifier_version":"1.3.0","classified_at":"2026-10-13T05:18:15+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 assigned (dated 2014-09-23) on 2018-01-08 and reserved on 2018-01-10. 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 2018-03-10. This does not confirm availability."},{"raw_change_id":347168,"classification_code":"REMOVED_REASON_UNKNOWN","confidence":"STRONG_INFERENCE","classifier_version":"1.3.1","classified_at":"2026-10-13T08:16:05+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 2014-09-23) on 2018-01-08 and reserved on 2018-01-10. 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 2018-03-10. This does not confirm availability."},{"raw_change_id":347168,"classification_code":"REMOVED_REASON_UNKNOWN","confidence":"STRONG_INFERENCE","classifier_version":"1.3.2","classified_at":"2026-10-13T14:59:39+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 2014-09-23) on 2018-01-08 and reserved on 2018-01-10. 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 2018-03-10. This does not confirm availability."},{"raw_change_id":347168,"classification_code":"REMOVED_REASON_UNKNOWN","confidence":"STRONG_INFERENCE","classifier_version":"1.4.0","classified_at":"2026-10-14T00:03:51+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 2014-09-23) on 2018-01-08 and reserved on 2018-01-10. 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 2018-03-10. This does not confirm availability."}],"8a580e7e1cb76ecc":[{"raw_change_id":328191,"classification_code":"REMOVED_REASON_UNKNOWN","confidence":"STRONG_INFERENCE","classifier_version":"1.3.0","classified_at":"2026-10-13T05:08:36+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 2014-09-23) on 2017-01-09 and reserved on 2017-01-11. 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 2017-03-11. This does not confirm availability."},{"raw_change_id":328191,"classification_code":"REMOVED_REASON_UNKNOWN","confidence":"STRONG_INFERENCE","classifier_version":"1.3.1","classified_at":"2026-10-13T08:15:04+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 assigned (dated 2014-09-23) on 2017-01-09 and reserved on 2017-01-11. 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 2017-03-11. This does not confirm availability."},{"raw_change_id":328191,"classification_code":"REMOVED_REASON_UNKNOWN","confidence":"STRONG_INFERENCE","classifier_version":"1.3.2","classified_at":"2026-10-13T14:58:33+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 2014-09-23) on 2017-01-09 and reserved on 2017-01-11. 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 2017-03-11. This does not confirm availability."},{"raw_change_id":328191,"classification_code":"REMOVED_REASON_UNKNOWN","confidence":"STRONG_INFERENCE","classifier_version":"1.4.0","classified_at":"2026-10-14T00:02:39+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 2014-09-23) on 2017-01-09 and reserved on 2017-01-11. 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 2017-03-11. This does not confirm availability."}],"01cb320a806118bd":[{"raw_change_id":133976,"classification_code":"APPARENT_REISSUANCE","confidence":"STRONG_INFERENCE","classifier_version":"1.3.0","classified_at":"2026-10-13T03:26:47+00:00","current":0,"public_explanation":"No transfer record matches. ARIN's statistics show it available on 2014-09-22 and assigned (dated 2014-09-23) on 2014-09-24. 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":133976,"classification_code":"APPARENT_REISSUANCE","confidence":"STRONG_INFERENCE","classifier_version":"1.3.1","classified_at":"2026-10-13T08:05:36+00:00","current":0,"public_explanation":"No transfer record matches. ARIN's statistics show it available on 2014-09-22 and assigned (dated 2014-09-23) on 2014-09-24. 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":133976,"classification_code":"APPARENT_NEW_ISSUANCE","confidence":"STRONG_INFERENCE","classifier_version":"1.3.2","classified_at":"2026-10-13T14:48:12+00:00","current":0,"public_explanation":"No transfer record matches. ARIN's statistics show it available on 2014-09-22 and assigned (dated 2014-09-23) on 2014-09-24. 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":133976,"classification_code":"APPARENT_NEW_ISSUANCE","confidence":"STRONG_INFERENCE","classifier_version":"1.4.0","classified_at":"2026-10-13T23:51:15+00:00","current":1,"public_explanation":"No transfer record matches. ARIN's statistics show it available on 2014-09-22 and assigned (dated 2014-09-23) on 2014-09-24. It moved from ARIN's unissued pool to an active registration dated around the report, so it appears to be newly issued by ARIN."}],"92cc6e310c695701":[{"raw_change_id":133961,"classification_code":"POOL_RECORD_CHANGE","confidence":"STRONG_INFERENCE","classifier_version":"1.3.0","classified_at":"2026-10-13T03:26:46+00:00","current":0,"public_explanation":"ARIN's statistics show it available on 2014-09-22 and assigned (dated 2014-09-23) on 2014-09-24. ARIN removed its own pool record for this range as part of issuing it: the same report adds 192.58.137.0-192.58.137.255. The issuance is explained on that line."},{"raw_change_id":133961,"classification_code":"POOL_RECORD_CHANGE","confidence":"STRONG_INFERENCE","classifier_version":"1.3.1","classified_at":"2026-10-13T08:05:36+00:00","current":0,"public_explanation":"ARIN's statistics show it available on 2014-09-22 and assigned (dated 2014-09-23) on 2014-09-24. ARIN removed its own pool record for this range as part of issuing it: the same report adds 192.58.137.0-192.58.137.255. The issuance is explained on that line."},{"raw_change_id":133961,"classification_code":"POOL_RECORD_CHANGE","confidence":"STRONG_INFERENCE","classifier_version":"1.3.2","classified_at":"2026-10-13T14:48:12+00:00","current":0,"public_explanation":"ARIN's statistics show it available on 2014-09-22 and assigned (dated 2014-09-23) on 2014-09-24. ARIN removed its own pool record for this range as part of issuing it: the same report adds 192.58.137.0-192.58.137.255. The issuance is explained on that line."},{"raw_change_id":133961,"classification_code":"POOL_RECORD_CHANGE","confidence":"STRONG_INFERENCE","classifier_version":"1.4.0","classified_at":"2026-10-13T23:51:15+00:00","current":1,"public_explanation":"ARIN's statistics show it available on 2014-09-22 and assigned (dated 2014-09-23) on 2014-09-24. ARIN removed its own pool record for this range as part of issuing it: the same report adds 192.58.137.0-192.58.137.255. The issuance is explained on that line."}]},"arin_statistics_now":{"status":"allocated (dated 2023-07-05)"}}