{"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":"AS54942","resource_type":"asn","page":"https://rirtracker.com/asn/54942/","arin_statistics_now":{"file_date":"2026-10-09","status":"assigned (dated 2026-08-11)"},"current_holder":{"rir":"ARIN","org":null,"how":"ARIN's statistics for 2026-10-09"},"rdap_snapshots":[],"transfers":[],"events":[{"event_id":"aaa12f5119e1b3e9","report_date":"2026-08-11","source":"arin_issued","raw_action":"ADD","raw_line":"Add AS54942","resource_type":"asn","resource":"AS54942","start":54942,"end":54942,"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":"2026-10-09T19:28:23+00:00","page":"https://rirtracker.com/asn/54942/#e-aaa12f5119e1b3e9","evidence_url":"https://rirtracker.com/api/v1/events/aaa12f5119e1b3e9.json","explanation":"No transfer record matches. ARIN's statistics show it reserved on 2026-08-10 and assigned (dated 2026-08-11) on 2026-08-12. The tracker saw this range removed from registration on 2026-06-08 (AS54942), 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-August/006454.html","retrieved_at":"2026-10-09T18:54:07+00:00","summary":"ARIN-Issued report for 2026-08-11: \"Add AS54942\""},{"type":"delegated_before","url":"https://ftp.arin.net/pub/stats/arin/delegated-arin-extended-20260810","retrieved_at":"2026-10-09T19:05:53+00:00","summary":"ARIN delegated statistics 2026-08-10 (produced 2026-08-10T13:00:21+00:00), before the report: reserved"},{"type":"delegated_after","url":"https://ftp.arin.net/pub/stats/arin/delegated-arin-extended-20260812","retrieved_at":"2026-10-09T19:05:59+00:00","summary":"ARIN delegated statistics 2026-08-12 (produced 2026-08-12T13:00:20+00:00), after the report: assigned (dated 2026-08-11)"}]},{"event_id":"32e0f8201c344021","report_date":"2026-08-11","source":"arin_issued","raw_action":"REMOVE","raw_line":"Remove AS54942","resource_type":"asn","resource":"AS54942","start":54942,"end":54942,"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":"2026-10-09T19:28:23+00:00","page":"https://rirtracker.com/asn/54942/#e-32e0f8201c344021","evidence_url":"https://rirtracker.com/api/v1/events/32e0f8201c344021.json","explanation":"ARIN's statistics show it reserved on 2026-08-10 and assigned (dated 2026-08-11) on 2026-08-12. ARIN removed its own pool record for this range as part of issuing it: the same report adds AS54942. The issuance is explained on that line.","evidence":[{"type":"arin_issued","url":"https://lists.arin.net/pipermail/arin-issued/2026-August/006454.html","retrieved_at":"2026-10-09T18:54:07+00:00","summary":"ARIN-Issued report for 2026-08-11: \"Remove AS54942\""},{"type":"delegated_before","url":"https://ftp.arin.net/pub/stats/arin/delegated-arin-extended-20260810","retrieved_at":"2026-10-09T19:05:53+00:00","summary":"ARIN delegated statistics 2026-08-10 (produced 2026-08-10T13:00:21+00:00), before the report: reserved"},{"type":"delegated_after","url":"https://ftp.arin.net/pub/stats/arin/delegated-arin-extended-20260812","retrieved_at":"2026-10-09T19:05:59+00:00","summary":"ARIN delegated statistics 2026-08-12 (produced 2026-08-12T13:00:20+00:00), after the report: assigned (dated 2026-08-11)"}]},{"event_id":"4cb323d1acd36351","report_date":"2026-06-08","source":"statistics","raw_action":"NOT_IN_ARIN_ISSUED","raw_line":null,"resource_type":"asn","resource":"AS54942","start":54942,"end":54942,"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":"2026-10-09T19:28:30+00:00","page":"https://rirtracker.com/asn/54942/#e-4cb323d1acd36351","evidence_url":"https://rirtracker.com/api/v1/events/4cb323d1acd36351.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":"2026-12-08","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 2013-01-29) on 2026-06-07 and reserved on 2026-06-09. 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 2026-12-08. This does not confirm availability.","evidence":[{"type":"statistics_diff","url":"https://ftp.arin.net/pub/stats/arin/delegated-arin-extended-20260609","retrieved_at":"2026-10-09T19:02:35+00:00","summary":"Not listed in ARIN-Issued; found by comparing ARIN's daily statistics: AS54942 assigned on 2026-06-08, reserved on 2026-06-09"},{"type":"delegated_before","url":"https://ftp.arin.net/pub/stats/arin/delegated-arin-extended-20260607","retrieved_at":"2026-10-09T19:02:28+00:00","summary":"ARIN delegated statistics 2026-06-07 (produced 2026-06-07T09:00:20+00:00), before the report: assigned (dated 2013-01-29)"},{"type":"delegated_after","url":"https://ftp.arin.net/pub/stats/arin/delegated-arin-extended-20260609","retrieved_at":"2026-10-09T19:02:35+00:00","summary":"ARIN delegated statistics 2026-06-09 (produced 2026-06-09T09:00:19+00:00), after the report: reserved"}]}],"classification_history":{"aaa12f5119e1b3e9":[{"raw_change_id":4182,"classification_code":"APPARENT_REISSUANCE","confidence":"STRONG_INFERENCE","classifier_version":"1.0.0","classified_at":"2026-10-09T19:28:23+00:00","current":1,"public_explanation":"No transfer record matches. ARIN's statistics show it reserved on 2026-08-10 and assigned (dated 2026-08-11) on 2026-08-12. The tracker saw this range removed from registration on 2026-06-08 (AS54942), so it appears to have been issued again from ARIN's pool."}],"32e0f8201c344021":[{"raw_change_id":4181,"classification_code":"POOL_RECORD_CHANGE","confidence":"STRONG_INFERENCE","classifier_version":"1.0.0","classified_at":"2026-10-09T19:28:23+00:00","current":1,"public_explanation":"ARIN's statistics show it reserved on 2026-08-10 and assigned (dated 2026-08-11) on 2026-08-12. ARIN removed its own pool record for this range as part of issuing it: the same report adds AS54942. The issuance is explained on that line."}],"4cb323d1acd36351":[{"raw_change_id":6768,"classification_code":"REMOVED_REASON_UNKNOWN","confidence":"STRONG_INFERENCE","classifier_version":"1.0.0","classified_at":"2026-10-09T19:28:30+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 2013-01-29) on 2026-06-07 and reserved on 2026-06-09. 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 2026-12-08. This does not confirm availability."}]}}