{"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":"192.55.136.0/24","resource_type":"ipv4","page":"https://rirtracker.com/ip/192.55.136.0-192.55.136.255/","arin_statistics_now":{"file_date":"2026-10-09","status":"allocated (dated 2026-07-01)"},"current_holder":{"rir":"ARIN","org":null,"how":"ARIN's statistics for 2026-10-09"},"rdap_snapshots":[],"transfers":[],"events":[{"event_id":"d68c61c4d2fd4e66","report_date":"2026-07-01","source":"arin_issued","raw_action":"ADD","raw_line":"Add 192.55.136.0-192.55.136.255","resource_type":"ipv4","resource":"192.55.136.0/24","start":"192.55.136.0","end":"192.55.136.255","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":"2026-10-09T19:28:21+00:00","page":"https://rirtracker.com/ip/192.55.136.0-192.55.136.255/#e-d68c61c4d2fd4e66","evidence_url":"https://rirtracker.com/api/v1/events/d68c61c4d2fd4e66.json","explanation":"No transfer record matches. ARIN's statistics show it reserved on 2026-06-30 and allocated (dated 2026-07-01) on 2026-07-02. 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-July/006413.html","retrieved_at":"2026-10-09T18:54:05+00:00","summary":"ARIN-Issued report for 2026-07-01: \"Add 192.55.136.0-192.55.136.255\""},{"type":"delegated_before","url":"https://ftp.arin.net/pub/stats/arin/delegated-arin-extended-20260630","retrieved_at":"2026-10-09T19:03:43+00:00","summary":"ARIN delegated statistics 2026-06-30 (produced 2026-06-30T09:00:20+00:00), before the report: reserved"},{"type":"delegated_after","url":"https://ftp.arin.net/pub/stats/arin/delegated-arin-extended-20260702","retrieved_at":"2026-10-09T19:03:50+00:00","summary":"ARIN delegated statistics 2026-07-02 (produced 2026-07-02T09:00:20+00:00), after the report: allocated (dated 2026-07-01)"}]},{"event_id":"f2740de53643143a","report_date":"2026-07-01","source":"arin_issued","raw_action":"REMOVE","raw_line":"Remove 192.55.136.0-192.55.136.255","resource_type":"ipv4","resource":"192.55.136.0/24","start":"192.55.136.0","end":"192.55.136.255","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":"2026-10-09T19:28:20+00:00","page":"https://rirtracker.com/ip/192.55.136.0-192.55.136.255/#e-f2740de53643143a","evidence_url":"https://rirtracker.com/api/v1/events/f2740de53643143a.json","explanation":"ARIN's statistics show it reserved on 2026-06-30 and allocated (dated 2026-07-01) on 2026-07-02. ARIN removed its own pool record for this range as part of issuing it: the same report adds 192.55.136.0-192.55.136.255. The issuance is explained on that line.","evidence":[{"type":"arin_issued","url":"https://lists.arin.net/pipermail/arin-issued/2026-July/006413.html","retrieved_at":"2026-10-09T18:54:05+00:00","summary":"ARIN-Issued report for 2026-07-01: \"Remove 192.55.136.0-192.55.136.255\""},{"type":"delegated_before","url":"https://ftp.arin.net/pub/stats/arin/delegated-arin-extended-20260630","retrieved_at":"2026-10-09T19:03:43+00:00","summary":"ARIN delegated statistics 2026-06-30 (produced 2026-06-30T09:00:20+00:00), before the report: reserved"},{"type":"delegated_after","url":"https://ftp.arin.net/pub/stats/arin/delegated-arin-extended-20260702","retrieved_at":"2026-10-09T19:03:50+00:00","summary":"ARIN delegated statistics 2026-07-02 (produced 2026-07-02T09:00:20+00:00), after the report: allocated (dated 2026-07-01)"}]}],"classification_history":{"d68c61c4d2fd4e66":[{"raw_change_id":2720,"classification_code":"APPARENT_NEW_ISSUANCE","confidence":"STRONG_INFERENCE","classifier_version":"1.0.0","classified_at":"2026-10-09T19:28:21+00:00","current":1,"public_explanation":"No transfer record matches. ARIN's statistics show it reserved on 2026-06-30 and allocated (dated 2026-07-01) on 2026-07-02. It moved from ARIN's unissued pool to an active registration dated around the report, so it appears to be newly issued by ARIN."}],"f2740de53643143a":[{"raw_change_id":2561,"classification_code":"POOL_RECORD_CHANGE","confidence":"STRONG_INFERENCE","classifier_version":"1.0.0","classified_at":"2026-10-09T19:28:20+00:00","current":1,"public_explanation":"ARIN's statistics show it reserved on 2026-06-30 and allocated (dated 2026-07-01) on 2026-07-02. ARIN removed its own pool record for this range as part of issuing it: the same report adds 192.55.136.0-192.55.136.255. The issuance is explained on that line."}]}}