{"classifier_version":"1.0.0","generated":"2026-10-09T21:19:22+00:00","documentation":"https://rirtracker.com/api/","disclaimer":"This site independently analyzes publicly available Internet number-resource records. It is not affiliated with or endorsed by the American Registry for Internet Numbers (ARIN), the Number Resource Organization (NRO), or any 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":"2620:10a:c000::/44","resource_type":"ipv6","page":"https://rirtracker.com/ip/2620.10a.c000..-2620.10a.c00f.ffff.ffff.ffff.ffff.ffff/","arin_statistics_now":{"file_date":"2026-10-09","status":"allocated (dated 2026-07-07)"},"current_holder":{"rir":"ARIN","org":null,"how":"ARIN's statistics for 2026-10-09"},"rdap_snapshots":[],"transfers":[],"events":[{"event_id":"ed849aa914e430cc","report_date":"2026-07-07","source":"arin_issued","raw_action":"ADD","raw_line":"Add 2620:10A:C000::-2620:10A:C00F:FFFF:FFFF:FFFF:FFFF:FFFF","resource_type":"ipv6","resource":"2620:10a:c000::/44","start":"2620:10a:c000::","end":"2620:10a:c00f:ffff:ffff:ffff:ffff:ffff","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":"1.0.0","classified_at":"2026-10-09T19:28:22+00:00","page":"https://rirtracker.com/ip/2620.10a.c000..-2620.10a.c00f.ffff.ffff.ffff.ffff.ffff/#e-ed849aa914e430cc","evidence_url":"https://rirtracker.com/api/v1/events/ed849aa914e430cc.json","explanation":"No transfer record matches. ARIN's statistics show it reserved on 2026-07-06 and allocated (dated 2026-07-07) on 2026-07-08. The tracker saw this range removed from registration on 2026-01-05 (2620:10a:c000::/44), so it appears to have been issued again from ARIN's pool.","evidence":[{"type":"arin_issued","url":"https://lists.arin.net/pipermail/arin-issued/2026-July/006419.html","retrieved_at":"2026-10-09T18:54:05+00:00","summary":"ARIN-Issued report for 2026-07-07: \"Add 2620:10A:C000::-2620:10A:C00F:FFFF:FFFF:FFFF:FFFF:FFFF\""},{"type":"delegated_before","url":"https://ftp.arin.net/pub/stats/arin/delegated-arin-extended-20260706","retrieved_at":"2026-10-09T19:04:00+00:00","summary":"ARIN delegated statistics 2026-07-06 (produced 2026-07-06T09:00:22+00:00), before the report: reserved"},{"type":"delegated_after","url":"https://ftp.arin.net/pub/stats/arin/delegated-arin-extended-20260708","retrieved_at":"2026-10-09T19:04:07+00:00","summary":"ARIN delegated statistics 2026-07-08 (produced 2026-07-08T09:00:21+00:00), after the report: allocated (dated 2026-07-07)"}]},{"event_id":"e50298b4b97d0c21","report_date":"2026-07-07","source":"arin_issued","raw_action":"REMOVE","raw_line":"Remove 2620:10A:C000::-2620:10A:C00F:FFFF:FFFF:FFFF:FFFF:FFFF","resource_type":"ipv6","resource":"2620:10a:c000::/44","start":"2620:10a:c000::","end":"2620:10a:c00f:ffff:ffff:ffff:ffff:ffff","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":"1.0.0","classified_at":"2026-10-09T19:28:22+00:00","page":"https://rirtracker.com/ip/2620.10a.c000..-2620.10a.c00f.ffff.ffff.ffff.ffff.ffff/#e-e50298b4b97d0c21","evidence_url":"https://rirtracker.com/api/v1/events/e50298b4b97d0c21.json","explanation":"ARIN's statistics show it reserved on 2026-07-06 and allocated (dated 2026-07-07) on 2026-07-08. ARIN removed its own pool record for this range as part of issuing it: the same report adds 2620:10A:C000::-2620:10A:C00F:FFFF:FFFF:FFFF:FFFF:FFFF. The issuance is explained on that line.","evidence":[{"type":"arin_issued","url":"https://lists.arin.net/pipermail/arin-issued/2026-July/006419.html","retrieved_at":"2026-10-09T18:54:05+00:00","summary":"ARIN-Issued report for 2026-07-07: \"Remove 2620:10A:C000::-2620:10A:C00F:FFFF:FFFF:FFFF:FFFF:FFFF\""},{"type":"delegated_before","url":"https://ftp.arin.net/pub/stats/arin/delegated-arin-extended-20260706","retrieved_at":"2026-10-09T19:04:00+00:00","summary":"ARIN delegated statistics 2026-07-06 (produced 2026-07-06T09:00:22+00:00), before the report: reserved"},{"type":"delegated_after","url":"https://ftp.arin.net/pub/stats/arin/delegated-arin-extended-20260708","retrieved_at":"2026-10-09T19:04:07+00:00","summary":"ARIN delegated statistics 2026-07-08 (produced 2026-07-08T09:00:21+00:00), after the report: allocated (dated 2026-07-07)"}]},{"event_id":"b6db4a365c7021fe","report_date":"2026-01-05","source":"statistics","raw_action":"NOT_IN_ARIN_ISSUED","raw_line":null,"resource_type":"ipv6","resource":"2620:10a:c000::/44","start":"2620:10a:c000::","end":"2620:10a:c00f:ffff:ffff:ffff:ffff:ffff","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":"1.0.0","classified_at":"2026-10-09T19:28:28+00:00","page":"https://rirtracker.com/ip/2620.10a.c000..-2620.10a.c00f.ffff.ffff.ffff.ffff.ffff/#e-b6db4a365c7021fe","evidence_url":"https://rirtracker.com/api/v1/events/b6db4a365c7021fe.json","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":"2026-07-05","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 2012-02-09) on 2026-01-04 and reserved on 2026-01-06. Public sources do not distinguish a voluntary return, revocation, or reclamation. ARIN holds returned, revoked and reclaimed IPv6 for 6 calendar months before reissuing them, so the earliest estimated hold expiration is 2026-07-05. This does not confirm availability.","evidence":[{"type":"statistics_diff","url":"https://ftp.arin.net/pub/stats/arin/delegated-arin-extended-20260106","retrieved_at":"2026-10-09T18:54:31+00:00","summary":"Not listed in ARIN-Issued; found by comparing ARIN's daily statistics: 2620:10a:c000::/44 allocated on 2026-01-05, reserved on 2026-01-06"},{"type":"delegated_before","url":"https://ftp.arin.net/pub/stats/arin/delegated-arin-extended-20260104","retrieved_at":"2026-10-09T18:54:24+00:00","summary":"ARIN delegated statistics 2026-01-04 (produced 2026-01-04T14:00:47+00:00), before the report: allocated (dated 2012-02-09)"},{"type":"delegated_after","url":"https://ftp.arin.net/pub/stats/arin/delegated-arin-extended-20260106","retrieved_at":"2026-10-09T18:54:31+00:00","summary":"ARIN delegated statistics 2026-01-06 (produced 2026-01-06T14:00:48+00:00), after the report: reserved"}]}],"classification_history":{"ed849aa914e430cc":[{"raw_change_id":3043,"classification_code":"APPARENT_REISSUANCE","confidence":"STRONG_INFERENCE","classifier_version":"1.0.0","classified_at":"2026-10-09T19:28:22+00:00","current":1,"public_explanation":"No transfer record matches. ARIN's statistics show it reserved on 2026-07-06 and allocated (dated 2026-07-07) on 2026-07-08. The tracker saw this range removed from registration on 2026-01-05 (2620:10a:c000::/44), so it appears to have been issued again from ARIN's pool."}],"e50298b4b97d0c21":[{"raw_change_id":3030,"classification_code":"POOL_RECORD_CHANGE","confidence":"STRONG_INFERENCE","classifier_version":"1.0.0","classified_at":"2026-10-09T19:28:22+00:00","current":1,"public_explanation":"ARIN's statistics show it reserved on 2026-07-06 and allocated (dated 2026-07-07) on 2026-07-08. ARIN removed its own pool record for this range as part of issuing it: the same report adds 2620:10A:C000::-2620:10A:C00F:FFFF:FFFF:FFFF:FFFF:FFFF. The issuance is explained on that line."}],"b6db4a365c7021fe":[{"raw_change_id":5858,"classification_code":"REMOVED_REASON_UNKNOWN","confidence":"STRONG_INFERENCE","classifier_version":"1.0.0","classified_at":"2026-10-09T19:28:28+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 2012-02-09) on 2026-01-04 and reserved on 2026-01-06. Public sources do not distinguish a voluntary return, revocation, or reclamation. ARIN holds returned, revoked and reclaimed IPv6 for 6 calendar months before reissuing them, so the earliest estimated hold expiration is 2026-07-05. This does not confirm availability."}]}}