{"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":"AS63072","resource_type":"asn","page":"https://rirtracker.com/asn/63072/","statistics_now":{"registry":"ARIN","status":"assigned (dated 2019-01-10)"},"current_holder":{"rir":"ARIN","org":null,"how":"ARIN's latest statistics"},"rdap_snapshots":[],"transfers":[],"events":[{"event_id":"c2b9a64e003bb513","registry":"ARIN","report_date":"2019-01-10","source":"arin_issued","raw_action":"ADD","raw_line":"Add AS63072","resource_type":"asn","resource":"AS63072","start":63072,"end":63072,"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":"2026-10-13T23:52:23+00:00","page":"https://rirtracker.com/asn/63072/#e-c2b9a64e003bb513","report_page":"https://rirtracker.com/arin/reports/2019-01-10/","evidence_url":"https://rirtracker.com/api/v1/resources/asn/63072.json","explanation":"No transfer record matches. ARIN's statistics show it reserved on 2019-01-09 and assigned (dated 2019-01-10) on 2019-01-11. The tracker saw this range removed from registration on 2018-10-09 (AS63072), 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-January/003683.html","retrieved_at":"2026-10-12T18:40:20+00:00","summary":"ARIN-Issued report for 2019-01-10: \"Add AS63072\""},{"type":"delegated_before","url":"https://ftp.arin.net/pub/stats/arin/archive/2019/delegated-arin-extended-20190109.gz","retrieved_at":"2026-10-12T21:58:29+00:00","summary":"ARIN delegated statistics 2019-01-09 (produced 2019-01-09T06:00:12+00:00), before the report: reserved"},{"type":"delegated_after","url":"https://ftp.arin.net/pub/stats/arin/archive/2019/delegated-arin-extended-20190111.gz","retrieved_at":"2026-10-12T21:58:34+00:00","summary":"ARIN delegated statistics 2019-01-11 (produced 2019-01-11T06:00:11+00:00), after the report: assigned (dated 2019-01-10)"}]},{"event_id":"be7905d377b43ecb","registry":"ARIN","report_date":"2019-01-10","source":"arin_issued","raw_action":"REMOVE","raw_line":"Remove AS63072","resource_type":"asn","resource":"AS63072","start":63072,"end":63072,"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":"2026-10-13T23:52:23+00:00","page":"https://rirtracker.com/asn/63072/#e-be7905d377b43ecb","report_page":"https://rirtracker.com/arin/reports/2019-01-10/","evidence_url":"https://rirtracker.com/api/v1/resources/asn/63072.json","explanation":"ARIN's statistics show it reserved on 2019-01-09 and assigned (dated 2019-01-10) on 2019-01-11. ARIN removed its own pool record for this range as part of issuing it: the same report adds AS63072. The issuance is explained on that line.","evidence":[{"type":"arin_issued","url":"https://lists.arin.net/pipermail/arin-issued/2019-January/003683.html","retrieved_at":"2026-10-12T18:40:20+00:00","summary":"ARIN-Issued report for 2019-01-10: \"Remove AS63072\""},{"type":"delegated_before","url":"https://ftp.arin.net/pub/stats/arin/archive/2019/delegated-arin-extended-20190109.gz","retrieved_at":"2026-10-12T21:58:29+00:00","summary":"ARIN delegated statistics 2019-01-09 (produced 2019-01-09T06:00:12+00:00), before the report: reserved"},{"type":"delegated_after","url":"https://ftp.arin.net/pub/stats/arin/archive/2019/delegated-arin-extended-20190111.gz","retrieved_at":"2026-10-12T21:58:34+00:00","summary":"ARIN delegated statistics 2019-01-11 (produced 2019-01-11T06:00:11+00:00), after the report: assigned (dated 2019-01-10)"}]},{"event_id":"ba87cf4274733263","registry":"ARIN","report_date":"2018-10-09","source":"statistics","raw_action":"NOT_IN_ARIN_ISSUED","raw_line":null,"resource_type":"asn","resource":"AS63072","start":63072,"end":63072,"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":"2026-10-14T00:04:49+00:00","page":"https://rirtracker.com/asn/63072/#e-ba87cf4274733263","report_page":"https://rirtracker.com/arin/reports/2018-10-09/","evidence_url":"https://rirtracker.com/api/v1/resources/asn/63072.json","observed":"AS63072 assigned on 2018-10-09, reserved on 2018-10-10","hold":{"hold_rule_source_url":"https://www.arin.net/resources/guide/request/#reissuing-returned-revoked-and-reclaimed-resources","hold_rule_months":6,"estimated_hold_end":"2019-04-09","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 2014-07-08) on 2018-10-08 and reserved on 2018-10-10. Public sources do not distinguish a voluntary return, revocation, or reclamation. ARIN holds returned, revoked and reclaimed ASNs for 6 calendar months before reissuing them, so the estimated hold end is 2019-04-09. This does not confirm availability.","evidence":[{"type":"statistics_diff","url":"https://ftp.arin.net/pub/stats/arin/archive/2018/delegated-arin-extended-20181010.gz","retrieved_at":"2026-10-12T21:53:47+00:00","summary":"Not listed in ARIN-Issued; found by comparing ARIN's daily statistics: AS63072 assigned on 2018-10-09, reserved on 2018-10-10"},{"type":"delegated_before","url":"https://ftp.arin.net/pub/stats/arin/archive/2018/delegated-arin-extended-20181008.gz","retrieved_at":"2026-10-12T21:53:42+00:00","summary":"ARIN delegated statistics 2018-10-08 (produced 2018-10-08T05:00:16+00:00), before the report: assigned (dated 2014-07-08)"},{"type":"delegated_after","url":"https://ftp.arin.net/pub/stats/arin/archive/2018/delegated-arin-extended-20181010.gz","retrieved_at":"2026-10-12T21:53:47+00:00","summary":"ARIN delegated statistics 2018-10-10 (produced 2018-10-10T05:00:17+00:00), after the report: reserved"}]}],"classification_history":{"c2b9a64e003bb513":[{"raw_change_id":158008,"classification_code":"APPARENT_REISSUANCE","confidence":"STRONG_INFERENCE","classifier_version":"1.3.0","classified_at":"2026-10-13T03:43:15+00:00","current":0,"public_explanation":"No transfer record matches. ARIN's statistics show it reserved on 2019-01-09 and assigned (dated 2019-01-10) on 2019-01-11. The tracker saw this range removed from registration on 2018-10-09 (AS63072), so it appears to have been issued again from ARIN's pool."},{"raw_change_id":158008,"classification_code":"APPARENT_REISSUANCE","confidence":"STRONG_INFERENCE","classifier_version":"1.3.1","classified_at":"2026-10-13T08:06:28+00:00","current":0,"public_explanation":"No transfer record matches. ARIN's statistics show it reserved on 2019-01-09 and assigned (dated 2019-01-10) on 2019-01-11. The tracker saw this range removed from registration on 2018-10-09 (AS63072), so it appears to have been issued again from ARIN's pool."},{"raw_change_id":158008,"classification_code":"APPARENT_REISSUANCE","confidence":"STRONG_INFERENCE","classifier_version":"1.3.2","classified_at":"2026-10-13T14:49:10+00:00","current":0,"public_explanation":"No transfer record matches. ARIN's statistics show it reserved on 2019-01-09 and assigned (dated 2019-01-10) on 2019-01-11. The tracker saw this range removed from registration on 2018-10-09 (AS63072), so it appears to have been issued again from ARIN's pool."},{"raw_change_id":158008,"classification_code":"APPARENT_REISSUANCE","confidence":"STRONG_INFERENCE","classifier_version":"1.4.0","classified_at":"2026-10-13T23:52:23+00:00","current":1,"public_explanation":"No transfer record matches. ARIN's statistics show it reserved on 2019-01-09 and assigned (dated 2019-01-10) on 2019-01-11. The tracker saw this range removed from registration on 2018-10-09 (AS63072), so it appears to have been issued again from ARIN's pool."}],"be7905d377b43ecb":[{"raw_change_id":158007,"classification_code":"POOL_RECORD_CHANGE","confidence":"STRONG_INFERENCE","classifier_version":"1.3.0","classified_at":"2026-10-13T03:43:15+00:00","current":0,"public_explanation":"ARIN's statistics show it reserved on 2019-01-09 and assigned (dated 2019-01-10) on 2019-01-11. ARIN removed its own pool record for this range as part of issuing it: the same report adds AS63072. The issuance is explained on that line."},{"raw_change_id":158007,"classification_code":"POOL_RECORD_CHANGE","confidence":"STRONG_INFERENCE","classifier_version":"1.3.1","classified_at":"2026-10-13T08:06:28+00:00","current":0,"public_explanation":"ARIN's statistics show it reserved on 2019-01-09 and assigned (dated 2019-01-10) on 2019-01-11. ARIN removed its own pool record for this range as part of issuing it: the same report adds AS63072. The issuance is explained on that line."},{"raw_change_id":158007,"classification_code":"POOL_RECORD_CHANGE","confidence":"STRONG_INFERENCE","classifier_version":"1.3.2","classified_at":"2026-10-13T14:49:10+00:00","current":0,"public_explanation":"ARIN's statistics show it reserved on 2019-01-09 and assigned (dated 2019-01-10) on 2019-01-11. ARIN removed its own pool record for this range as part of issuing it: the same report adds AS63072. The issuance is explained on that line."},{"raw_change_id":158007,"classification_code":"POOL_RECORD_CHANGE","confidence":"STRONG_INFERENCE","classifier_version":"1.4.0","classified_at":"2026-10-13T23:52:23+00:00","current":1,"public_explanation":"ARIN's statistics show it reserved on 2019-01-09 and assigned (dated 2019-01-10) on 2019-01-11. ARIN removed its own pool record for this range as part of issuing it: the same report adds AS63072. The issuance is explained on that line."}],"ba87cf4274733263":[{"raw_change_id":361740,"classification_code":"REMOVED_REASON_UNKNOWN","confidence":"STRONG_INFERENCE","classifier_version":"1.3.0","classified_at":"2026-10-13T05:24:38+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 2014-07-08) on 2018-10-08 and reserved on 2018-10-10. Public sources do not distinguish a voluntary return, revocation, or reclamation. ARIN holds returned, revoked and reclaimed ASNs for 6 calendar months before reissuing them, so the earliest estimated hold expiration is 2019-04-09. This does not confirm availability."},{"raw_change_id":361740,"classification_code":"REMOVED_REASON_UNKNOWN","confidence":"STRONG_INFERENCE","classifier_version":"1.3.1","classified_at":"2026-10-13T08:16:51+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 assigned (dated 2014-07-08) on 2018-10-08 and reserved on 2018-10-10. Public sources do not distinguish a voluntary return, revocation, or reclamation. ARIN holds returned, revoked and reclaimed ASNs for 6 calendar months before reissuing them, so the earliest estimated hold expiration is 2019-04-09. This does not confirm availability."},{"raw_change_id":361740,"classification_code":"REMOVED_REASON_UNKNOWN","confidence":"STRONG_INFERENCE","classifier_version":"1.3.2","classified_at":"2026-10-13T15:00:29+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 2014-07-08) on 2018-10-08 and reserved on 2018-10-10. Public sources do not distinguish a voluntary return, revocation, or reclamation. ARIN holds returned, revoked and reclaimed ASNs for 6 calendar months before reissuing them, so the earliest estimated hold expiration is 2019-04-09. This does not confirm availability."},{"raw_change_id":361740,"classification_code":"REMOVED_REASON_UNKNOWN","confidence":"STRONG_INFERENCE","classifier_version":"1.4.0","classified_at":"2026-10-14T00:04:49+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 2014-07-08) on 2018-10-08 and reserved on 2018-10-10. Public sources do not distinguish a voluntary return, revocation, or reclamation. ARIN holds returned, revoked and reclaimed ASNs for 6 calendar months before reissuing them, so the estimated hold end is 2019-04-09. This does not confirm availability."}]},"arin_statistics_now":{"status":"assigned (dated 2019-01-10)"}}