{"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":"2001:501:210::/48","resource_type":"ipv6","page":"https://rirtracker.com/ip/2001.501.210..-2001.501.210.ffff.ffff.ffff.ffff.ffff/","arin_statistics_now":{"file_date":"2026-10-09","status":"allocated (dated 2026-03-27)"},"current_holder":{"rir":"ARIN","org":null,"how":"ARIN's statistics for 2026-10-09"},"rdap_snapshots":[],"transfers":[],"events":[{"event_id":"53b468a6a0b660db","report_date":"2026-03-27","source":"arin_issued","raw_action":"ADD","raw_line":"Add 2001:501:210::-2001:501:210:FFFF:FFFF:FFFF:FFFF:FFFF","resource_type":"ipv6","resource":"2001:501:210::/48","start":"2001:501:210::","end":"2001:501:210: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":"2026-10-09T19:28:19+00:00","page":"https://rirtracker.com/ip/2001.501.210..-2001.501.210.ffff.ffff.ffff.ffff.ffff/#e-53b468a6a0b660db","evidence_url":"https://rirtracker.com/api/v1/events/53b468a6a0b660db.json","explanation":"No transfer record matches. ARIN's statistics show it available on 2026-03-26 and allocated (dated 2026-03-27) on 2026-03-28. 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-March/006313.html","retrieved_at":"2026-10-09T18:53:56+00:00","summary":"ARIN-Issued report for 2026-03-27: \"Add 2001:501:210::-2001:501:210:FFFF:FFFF:FFFF:FFFF:FFFF\""},{"type":"delegated_before","url":"https://ftp.arin.net/pub/stats/arin/delegated-arin-extended-20260326","retrieved_at":"2026-10-09T18:58:50+00:00","summary":"ARIN delegated statistics 2026-03-26 (produced 2026-03-26T13:00:50+00:00), before the report: available"},{"type":"delegated_after","url":"https://ftp.arin.net/pub/stats/arin/delegated-arin-extended-20260328","retrieved_at":"2026-10-09T18:58:57+00:00","summary":"ARIN delegated statistics 2026-03-28 (produced 2026-03-28T17:39:48+00:00), after the report: allocated (dated 2026-03-27)"}]}],"classification_history":{"53b468a6a0b660db":[{"raw_change_id":1381,"classification_code":"APPARENT_NEW_ISSUANCE","confidence":"STRONG_INFERENCE","classifier_version":"1.0.0","classified_at":"2026-10-09T19:28:19+00:00","current":1,"public_explanation":"No transfer record matches. ARIN's statistics show it available on 2026-03-26 and allocated (dated 2026-03-27) on 2026-03-28. It moved from ARIN's unissued pool to an active registration dated around the report, so it appears to be newly issued by ARIN."}]}}