{"classifier_version":"1.4.0","documentation":"https://rirtracker.com/api/","disclaimer":"This site independently analyzes publicly available Internet number-resource records. It is not affiliated with or endorsed by ARIN, the RIPE NCC, APNIC, LACNIC, AFRINIC, the Number Resource Organization (NRO), or any other 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":"192.41.220.0/24","resource_type":"ipv4","page":"https://rirtracker.com/ip/192.41.220.0-192.41.220.255/","statistics_now":{"registry":"ARIN","status":"allocated (dated 1988-07-19)"},"current_holder":{"rir":"ARIN","org":null,"how":"ARIN's latest statistics"},"rdap_snapshots":[],"transfers":[],"events":[{"event_id":"89dfb6ebc389aa55","registry":"ARIN","report_date":"2009-03-09","source":"arin_issued","raw_action":"REMOVE","raw_line":"Remove 192.41.220.0-192.41.220.255","resource_type":"ipv4","resource":"192.41.220.0/24","start":"192.41.220.0","end":"192.41.220.255","classification":"UNRESOLVED","classification_label":"Unresolved change","confidence":"OBSERVED_ONLY","source_rir":null,"recipient_rir":null,"source_organization":null,"recipient_organization":null,"inventory_effect":"Inventory effect unknown","inventory_effect_code":"UNKNOWN","provisional":false,"classifier_version":"1.4.0","classified_at":"2026-10-13T23:50:44+00:00","page":"https://rirtracker.com/ip/192.41.220.0-192.41.220.255/#e-89dfb6ebc389aa55","report_page":"https://rirtracker.com/arin/reports/2009-03-09/","evidence_url":"https://rirtracker.com/api/v1/resources/ip/192.41.220.0-192.41.220.255.json","explanation":"ARIN-Issued says \"Remove\", but ARIN's statistics show it not issued on 2009-03-08 and assigned (dated 1988-07-19) on 2009-03-10. (Until 2013-03-05, ARIN's statistics list only what's issued.) The registry's pool records from that time aren't public, so the tracker can't tell what was removed.","evidence":[{"type":"arin_issued","url":"https://lists.arin.net/pipermail/arin-issued/2009-March/000080.html","retrieved_at":"2026-10-12T18:36:11+00:00","summary":"ARIN-Issued report for 2009-03-09: \"Remove 192.41.220.0-192.41.220.255\""},{"type":"delegated_before","url":"https://ftp.arin.net/pub/stats/arin/archive/2009/delegated-arin-20090308.gz","retrieved_at":"2026-10-12T18:47:23+00:00","summary":"ARIN delegated statistics 2009-03-08, before the report: not issued"},{"type":"delegated_after","url":"https://ftp.arin.net/pub/stats/arin/archive/2009/delegated-arin-20090310.gz","retrieved_at":"2026-10-12T18:47:28+00:00","summary":"ARIN delegated statistics 2009-03-10, after the report: assigned (dated 1988-07-19)"}]}],"classification_history":{"89dfb6ebc389aa55":[{"raw_change_id":119175,"classification_code":"UNRESOLVED","confidence":"OBSERVED_ONLY","classifier_version":"1.3.0","classified_at":"2026-10-13T03:11:08+00:00","current":0,"public_explanation":"ARIN-Issued says \"Remove\", but ARIN's statistics show it not issued on 2009-03-08 and assigned (dated 1988-07-19) on 2009-03-10. (Until 2013-03-05, ARIN's statistics list only what's issued.) The registry's pool records from that time aren't public, so the tracker can't tell what was removed."},{"raw_change_id":119175,"classification_code":"UNRESOLVED","confidence":"OBSERVED_ONLY","classifier_version":"1.3.1","classified_at":"2026-10-13T08:05:13+00:00","current":0,"public_explanation":"ARIN-Issued says \"Remove\", but ARIN's statistics show it not issued on 2009-03-08 and assigned (dated 1988-07-19) on 2009-03-10. (Until 2013-03-05, ARIN's statistics list only what's issued.) The registry's pool records from that time aren't public, so the tracker can't tell what was removed."},{"raw_change_id":119175,"classification_code":"UNRESOLVED","confidence":"OBSERVED_ONLY","classifier_version":"1.3.2","classified_at":"2026-10-13T14:47:46+00:00","current":0,"public_explanation":"ARIN-Issued says \"Remove\", but ARIN's statistics show it not issued on 2009-03-08 and assigned (dated 1988-07-19) on 2009-03-10. (Until 2013-03-05, ARIN's statistics list only what's issued.) The registry's pool records from that time aren't public, so the tracker can't tell what was removed."},{"raw_change_id":119175,"classification_code":"UNRESOLVED","confidence":"OBSERVED_ONLY","classifier_version":"1.4.0","classified_at":"2026-10-13T23:50:44+00:00","current":1,"public_explanation":"ARIN-Issued says \"Remove\", but ARIN's statistics show it not issued on 2009-03-08 and assigned (dated 1988-07-19) on 2009-03-10. (Until 2013-03-05, ARIN's statistics list only what's issued.) The registry's pool records from that time aren't public, so the tracker can't tell what was removed."}]},"arin_statistics_now":{"status":"allocated (dated 1988-07-19)"}}