{"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":"204.15.169.0 - 204.15.175.255","resource_type":"ipv4","page":"https://rirtracker.com/ip/204.15.169.0-204.15.175.255/","statistics_now":{"registry":"ARIN","status":"allocated (dated 2011-05-02), allocated (dated 2011-08-23), allocated (dated 2012-08-21)"},"current_holder":{"rir":null,"org":null,"how":null},"rdap_snapshots":[],"transfers":[{"id":41196,"date":"2025-09-02T12:45:21Z","type":"RESOURCE_TRANSFER","source_rir":"ARIN","recipient_rir":"APNIC","source_org":"Bullhorn Inc.","recipient_org":"Bullhorn Inc","range":"204.15.171.0/24","log":"ARIN"},{"id":131231,"date":"2025-09-02T09:03:23Z","type":"RESOURCE_TRANSFER","source_rir":"ARIN","recipient_rir":"APNIC","source_org":"BULLH-1","recipient_org":"Bullhorn International Inc.","range":"204.15.171.0/24","log":"APNIC"},{"id":16708,"date":"2018-12-31T15:49:33Z","type":"MERGER_ACQUISITION","source_rir":"ARIN","recipient_rir":"ARIN","source_org":"Broadband Telecom Inc","recipient_org":"Panamax Inc","range":"204.15.169.0/24","log":"ARIN"}],"events":[{"event_id":"257cdbdd5c5eed2a","registry":"ARIN","report_date":"2010-12-02","source":"arin_issued","raw_action":"REMOVE","raw_line":"Remove 204.15.169.0-204.15.175.255","resource_type":"ipv4","resource":"204.15.169.0 - 204.15.175.255","start":"204.15.169.0","end":"204.15.175.255","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":"2026-10-13T23:50:50+00:00","page":"https://rirtracker.com/ip/204.15.169.0-204.15.175.255/#e-257cdbdd5c5eed2a","report_page":"https://rirtracker.com/arin/reports/2010-12-02/","evidence_url":"https://rirtracker.com/api/v1/resources/ip/204.15.169.0-204.15.175.255.json","explanation":"ARIN-Issued says \"Remove\", but ARIN's statistics show it not issued on 2010-12-01 and not issued on 2010-12-03. (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/2010-December/000717.html","retrieved_at":"2026-10-12T18:36:55+00:00","summary":"ARIN-Issued report for 2010-12-02: \"Remove 204.15.169.0-204.15.175.255\""},{"type":"delegated_before","url":"https://ftp.arin.net/pub/stats/arin/archive/2010/delegated-arin-20101201.gz","retrieved_at":"2026-10-12T19:13:27+00:00","summary":"ARIN delegated statistics 2010-12-01, before the report: not issued"},{"type":"delegated_after","url":"https://ftp.arin.net/pub/stats/arin/archive/2010/delegated-arin-20101203.gz","retrieved_at":"2026-10-12T19:13:34+00:00","summary":"ARIN delegated statistics 2010-12-03, after the report: not issued"}]}],"classification_history":{"257cdbdd5c5eed2a":[{"raw_change_id":122231,"classification_code":"UNRESOLVED","confidence":"OBSERVED_ONLY","classifier_version":"1.3.0","classified_at":"2026-10-13T03:12:58+00:00","current":0,"public_explanation":"ARIN-Issued says \"Remove\", but ARIN's statistics show it not issued on 2010-12-01 and not issued on 2010-12-03. (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":122231,"classification_code":"UNRESOLVED","confidence":"OBSERVED_ONLY","classifier_version":"1.3.1","classified_at":"2026-10-13T08:05:17+00:00","current":0,"public_explanation":"ARIN-Issued says \"Remove\", but ARIN's statistics show it not issued on 2010-12-01 and not issued on 2010-12-03. (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":122231,"classification_code":"UNRESOLVED","confidence":"OBSERVED_ONLY","classifier_version":"1.3.2","classified_at":"2026-10-13T14:47:51+00:00","current":0,"public_explanation":"ARIN-Issued says \"Remove\", but ARIN's statistics show it not issued on 2010-12-01 and not issued on 2010-12-03. (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":122231,"classification_code":"UNRESOLVED","confidence":"OBSERVED_ONLY","classifier_version":"1.4.0","classified_at":"2026-10-13T23:50:50+00:00","current":1,"public_explanation":"ARIN-Issued says \"Remove\", but ARIN's statistics show it not issued on 2010-12-01 and not issued on 2010-12-03. (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 2011-05-02), allocated (dated 2011-08-23), allocated (dated 2012-08-21)"}}