{"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":"148.163.180.0 - 148.163.255.255","resource_type":"ipv4","page":"https://rirtracker.com/ip/148.163.180.0-148.163.255.255/","statistics_now":{"registry":"ARIN","status":"allocated (dated 2014-06-17), allocated (dated 2018-06-05), allocated (dated 2025-09-30)"},"current_holder":{"rir":null,"org":null,"how":null},"rdap_snapshots":[],"transfers":[{"id":93231,"date":"2023-02-08T19:00:00Z","type":"RESOURCE_TRANSFER","source_rir":"ARIN","recipient_rir":"RIPE NCC","source_org":null,"recipient_org":"SETCOR d.o.o.","range":"148.163.184.0/22","log":"RIPE NCC"},{"id":30596,"date":"2023-02-08T15:15:28Z","type":"RESOURCE_TRANSFER","source_rir":"ARIN","recipient_rir":"RIPE NCC","source_org":"PROVDC","recipient_org":"SETCOR d.o.o.","range":"148.163.184.0/22","log":"ARIN"},{"id":8049,"date":"2016-10-25T16:32:20Z","type":"MERGER_ACQUISITION","source_rir":"ARIN","recipient_rir":"ARIN","source_org":"Host Virtual, Inc","recipient_org":"NetActuate, Inc","range":"148.163.192.0/18","log":"ARIN"}],"events":[{"event_id":"3f148f3b7e6fe792","registry":"ARIN","report_date":"2011-09-28","source":"arin_issued","raw_action":"REMOVE","raw_line":"Remove 148.163.180.0-148.163.255.255","resource_type":"ipv4","resource":"148.163.180.0 - 148.163.255.255","start":"148.163.180.0","end":"148.163.255.255","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":"2026-10-13T23:50:56+00:00","page":"https://rirtracker.com/ip/148.163.180.0-148.163.255.255/#e-3f148f3b7e6fe792","report_page":"https://rirtracker.com/arin/reports/2011-09-28/","evidence_url":"https://rirtracker.com/api/v1/resources/ip/148.163.180.0-148.163.255.255.json","explanation":"ARIN-Issued says \"Remove\", but ARIN's statistics show it not issued on 2011-09-27 and not issued on 2011-09-29. (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/2011-September/001021.html","retrieved_at":"2026-10-12T18:37:14+00:00","summary":"ARIN-Issued report for 2011-09-28: \"Remove 148.163.180.0-148.163.255.255\""},{"type":"delegated_before","url":"https://ftp.arin.net/pub/stats/arin/archive/2011/delegated-arin-20110927.gz","retrieved_at":"2026-10-12T19:25:44+00:00","summary":"ARIN delegated statistics 2011-09-27, before the report: not issued"},{"type":"delegated_after","url":"https://ftp.arin.net/pub/stats/arin/archive/2011/delegated-arin-20110929.gz","retrieved_at":"2026-10-12T19:25:48+00:00","summary":"ARIN delegated statistics 2011-09-29, after the report: not issued"}]}],"classification_history":{"3f148f3b7e6fe792":[{"raw_change_id":124532,"classification_code":"UNRESOLVED","confidence":"OBSERVED_ONLY","classifier_version":"1.3.0","classified_at":"2026-10-13T03:15:05+00:00","current":0,"public_explanation":"ARIN-Issued says \"Remove\", but ARIN's statistics show it not issued on 2011-09-27 and not issued on 2011-09-29. (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":124532,"classification_code":"UNRESOLVED","confidence":"OBSERVED_ONLY","classifier_version":"1.3.1","classified_at":"2026-10-13T08:05:22+00:00","current":0,"public_explanation":"ARIN-Issued says \"Remove\", but ARIN's statistics show it not issued on 2011-09-27 and not issued on 2011-09-29. (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":124532,"classification_code":"UNRESOLVED","confidence":"OBSERVED_ONLY","classifier_version":"1.3.2","classified_at":"2026-10-13T14:47:56+00:00","current":0,"public_explanation":"ARIN-Issued says \"Remove\", but ARIN's statistics show it not issued on 2011-09-27 and not issued on 2011-09-29. (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":124532,"classification_code":"UNRESOLVED","confidence":"OBSERVED_ONLY","classifier_version":"1.4.0","classified_at":"2026-10-13T23:50:56+00:00","current":1,"public_explanation":"ARIN-Issued says \"Remove\", but ARIN's statistics show it not issued on 2011-09-27 and not issued on 2011-09-29. (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 2014-06-17), allocated (dated 2018-06-05), allocated (dated 2025-09-30)"}}