{"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":"2620:41:d000::/48","resource_type":"ipv6","page":"https://rirtracker.com/ip/2620.41.d000..-2620.41.d000.ffff.ffff.ffff.ffff.ffff/","arin_statistics_now":{"file_date":"2026-10-09","status":"reserved"},"current_holder":{"rir":null,"org":null,"how":null},"rdap_snapshots":[],"transfers":[],"events":[{"event_id":"f4cea18def0fb8e3","report_date":"2026-02-02","source":"statistics","raw_action":"NOT_IN_ARIN_ISSUED","raw_line":null,"resource_type":"ipv6","resource":"2620:41:d000::/48","start":"2620:41:d000::","end":"2620:41:d000: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/2620.41.d000..-2620.41.d000.ffff.ffff.ffff.ffff.ffff/#e-f4cea18def0fb8e3","evidence_url":"https://rirtracker.com/api/v1/events/f4cea18def0fb8e3.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":"2026-08-02","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 2026-01-26) on 2026-02-01 and reserved on 2026-02-03. 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 2026-08-02. This does not confirm availability.","evidence":[{"type":"statistics_diff","url":"https://ftp.arin.net/pub/stats/arin/delegated-arin-extended-20260203","retrieved_at":"2026-10-09T18:56:01+00:00","summary":"Not listed in ARIN-Issued; found by comparing ARIN's daily statistics: 2620:41:d000::/48 allocated on 2026-02-02, reserved on 2026-02-03"},{"type":"delegated_before","url":"https://ftp.arin.net/pub/stats/arin/delegated-arin-extended-20260201","retrieved_at":"2026-10-09T18:55:54+00:00","summary":"ARIN delegated statistics 2026-02-01 (produced 2026-02-01T14:00:51+00:00), before the report: allocated (dated 2026-01-26)"},{"type":"delegated_after","url":"https://ftp.arin.net/pub/stats/arin/delegated-arin-extended-20260203","retrieved_at":"2026-10-09T18:56:01+00:00","summary":"ARIN delegated statistics 2026-02-03 (produced 2026-02-03T14:00:49+00:00), after the report: reserved"}]},{"event_id":"6fa05a8b10620578","report_date":"2026-01-26","source":"arin_issued","raw_action":"ADD","raw_line":"Add 2620:41:D000::-2620:41:D000:FFFF:FFFF:FFFF:FFFF:FFFF","resource_type":"ipv6","resource":"2620:41:d000::/48","start":"2620:41:d000::","end":"2620:41:d000:ffff:ffff:ffff:ffff:ffff","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":"1.0.0","classified_at":"2026-10-09T19:28:17+00:00","page":"https://rirtracker.com/ip/2620.41.d000..-2620.41.d000.ffff.ffff.ffff.ffff.ffff/#e-6fa05a8b10620578","evidence_url":"https://rirtracker.com/api/v1/events/6fa05a8b10620578.json","explanation":"No transfer record matches. ARIN's statistics show it available on 2026-01-25 and allocated (dated 2026-01-26) on 2026-01-27. 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/2026-January/006253.html","retrieved_at":"2026-10-09T18:53:52+00:00","summary":"ARIN-Issued report for 2026-01-26: \"Add 2620:41:D000::-2620:41:D000:FFFF:FFFF:FFFF:FFFF:FFFF\""},{"type":"delegated_before","url":"https://ftp.arin.net/pub/stats/arin/delegated-arin-extended-20260125","retrieved_at":"2026-10-09T18:55:31+00:00","summary":"ARIN delegated statistics 2026-01-25 (produced 2026-01-25T14:00:49+00:00), before the report: available"},{"type":"delegated_after","url":"https://ftp.arin.net/pub/stats/arin/delegated-arin-extended-20260127","retrieved_at":"2026-10-09T18:55:38+00:00","summary":"ARIN delegated statistics 2026-01-27 (produced 2026-01-27T14:00:44+00:00), after the report: allocated (dated 2026-01-26)"}]}],"classification_history":{"f4cea18def0fb8e3":[{"raw_change_id":5889,"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 2026-01-26) on 2026-02-01 and reserved on 2026-02-03. 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 2026-08-02. This does not confirm availability."}],"6fa05a8b10620578":[{"raw_change_id":441,"classification_code":"APPARENT_NEW_ISSUANCE","confidence":"STRONG_INFERENCE","classifier_version":"1.0.0","classified_at":"2026-10-09T19:28:17+00:00","current":1,"public_explanation":"No transfer record matches. ARIN's statistics show it available on 2026-01-25 and allocated (dated 2026-01-26) on 2026-01-27. It moved from ARIN's unissued pool to an active registration dated around the report, so it appears to be newly issued by ARIN."}]}}