{"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":"2620:5c:d000::/48","resource_type":"ipv6","page":"https://rirtracker.com/ip/2620.5c.d000..-2620.5c.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":"534354afe462364b","report_date":"2026-04-02","source":"statistics","raw_action":"NOT_IN_ARIN_ISSUED","raw_line":null,"resource_type":"ipv6","resource":"2620:5c:d000::/48","start":"2620:5c:d000::","end":"2620:5c: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":"2026-10-09T19:28:29+00:00","page":"https://rirtracker.com/ip/2620.5c.d000..-2620.5c.d000.ffff.ffff.ffff.ffff.ffff/#e-534354afe462364b","evidence_url":"https://rirtracker.com/api/v1/events/534354afe462364b.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":"2026-10-02","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 2026-02-10) on 2026-04-01 and reserved on 2026-04-03. 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 2026-10-02. This does not confirm availability.","evidence":[{"type":"statistics_diff","url":"https://ftp.arin.net/pub/stats/arin/delegated-arin-extended-20260403","retrieved_at":"2026-10-09T18:59:17+00:00","summary":"Not listed in ARIN-Issued; found by comparing ARIN's daily statistics: 2620:5c:d000::/48 allocated on 2026-04-02, reserved on 2026-04-03"},{"type":"delegated_before","url":"https://ftp.arin.net/pub/stats/arin/delegated-arin-extended-20260401","retrieved_at":"2026-10-09T18:59:10+00:00","summary":"ARIN delegated statistics 2026-04-01 (produced 2026-04-01T13:00:38+00:00), before the report: allocated (dated 2026-02-10)"},{"type":"delegated_after","url":"https://ftp.arin.net/pub/stats/arin/delegated-arin-extended-20260403","retrieved_at":"2026-10-09T18:59:17+00:00","summary":"ARIN delegated statistics 2026-04-03 (produced 2026-04-03T13:00:39+00:00), after the report: reserved"}]},{"event_id":"08666cdb31288b10","report_date":"2026-02-10","source":"arin_issued","raw_action":"ADD","raw_line":"Add 2620:5C:D000::-2620:5C:D000:FFFF:FFFF:FFFF:FFFF:FFFF","resource_type":"ipv6","resource":"2620:5c:d000::/48","start":"2620:5c:d000::","end":"2620:5c: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":"2026-10-09T19:28:18+00:00","page":"https://rirtracker.com/ip/2620.5c.d000..-2620.5c.d000.ffff.ffff.ffff.ffff.ffff/#e-08666cdb31288b10","evidence_url":"https://rirtracker.com/api/v1/events/08666cdb31288b10.json","explanation":"No transfer record matches. ARIN's statistics show it available on 2026-02-09 and allocated (dated 2026-02-10) on 2026-02-11. 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-February/006268.html","retrieved_at":"2026-10-09T18:53:54+00:00","summary":"ARIN-Issued report for 2026-02-10: \"Add 2620:5C:D000::-2620:5C:D000:FFFF:FFFF:FFFF:FFFF:FFFF\""},{"type":"delegated_before","url":"https://ftp.arin.net/pub/stats/arin/delegated-arin-extended-20260209","retrieved_at":"2026-10-09T18:56:21+00:00","summary":"ARIN delegated statistics 2026-02-09 (produced 2026-02-09T14:00:51+00:00), before the report: available"},{"type":"delegated_after","url":"https://ftp.arin.net/pub/stats/arin/delegated-arin-extended-20260211","retrieved_at":"2026-10-09T18:56:28+00:00","summary":"ARIN delegated statistics 2026-02-11 (produced 2026-02-11T14:00:50+00:00), after the report: allocated (dated 2026-02-10)"}]}],"classification_history":{"534354afe462364b":[{"raw_change_id":6242,"classification_code":"REMOVED_REASON_UNKNOWN","confidence":"STRONG_INFERENCE","classifier_version":"1.0.0","classified_at":"2026-10-09T19:28:29+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 2026-02-10) on 2026-04-01 and reserved on 2026-04-03. 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 2026-10-02. This does not confirm availability."}],"08666cdb31288b10":[{"raw_change_id":639,"classification_code":"APPARENT_NEW_ISSUANCE","confidence":"STRONG_INFERENCE","classifier_version":"1.0.0","classified_at":"2026-10-09T19:28:18+00:00","current":1,"public_explanation":"No transfer record matches. ARIN's statistics show it available on 2026-02-09 and allocated (dated 2026-02-10) on 2026-02-11. It moved from ARIN's unissued pool to an active registration dated around the report, so it appears to be newly issued by ARIN."}]}}