{"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":"174.45.0.0/16","resource_type":"ipv4","page":"https://rirtracker.com/ip/174.45.0.0-174.45.255.255/","statistics_now":{"registry":"ARIN","status":"allocated (dated 2011-12-22)"},"current_holder":{"rir":"ARIN","org":null,"how":"ARIN's latest statistics"},"rdap_snapshots":[],"transfers":[],"events":[{"event_id":"0b5588434c46804c","registry":"ARIN","report_date":"2011-12-22","source":"arin_issued","raw_action":"ADD","raw_line":"Add 174.45.0.0-174.45.255.255","resource_type":"ipv4","resource":"174.45.0.0/16","start":"174.45.0.0","end":"174.45.255.255","classification":"RANGE_REPRESENTATION_CHANGE","classification_label":"Range split/merge or reporting-format change","confidence":"STRONG_INFERENCE","source_rir":null,"recipient_rir":null,"source_organization":null,"recipient_organization":null,"inventory_effect":"No effect on ARIN applicant inventory","inventory_effect_code":"NO_EFFECT","provisional":false,"classifier_version":"1.4.0","classified_at":"2026-10-13T23:50:57+00:00","page":"https://rirtracker.com/ip/174.45.0.0-174.45.255.255/#e-0b5588434c46804c","report_page":"https://rirtracker.com/arin/reports/2011-12-22/","evidence_url":"https://rirtracker.com/api/v1/resources/ip/174.45.0.0-174.45.255.255.json","explanation":"This range is part of a larger block from which a piece was transferred around 2011-12-22; the rest was re-registered to show the split. ARIN's statistics show it allocated (dated 2009-01-13) on 2011-12-21 and allocated (dated 2011-12-22) on 2011-12-23. (Until 2013-03-05, ARIN's statistics list only what's issued.)","evidence":[{"type":"arin_issued","url":"https://lists.arin.net/pipermail/arin-issued/2011-December/001106.html","retrieved_at":"2026-10-12T18:37:20+00:00","summary":"ARIN-Issued report for 2011-12-22: \"Add 174.45.0.0-174.45.255.255\""},{"type":"delegated_before","url":"https://ftp.arin.net/pub/stats/arin/archive/2011/delegated-arin-20111221.gz","retrieved_at":"2026-10-12T19:29:15+00:00","summary":"ARIN delegated statistics 2011-12-21, before the report: allocated (dated 2009-01-13)"},{"type":"delegated_after","url":"https://ftp.arin.net/pub/stats/arin/archive/2011/delegated-arin-20111223.gz","retrieved_at":"2026-10-12T19:29:20+00:00","summary":"ARIN delegated statistics 2011-12-23, after the report: allocated (dated 2011-12-22)"},{"type":"transfer","url":"https://ftp.arin.net/pub/stats/arin/transfers/transfers_latest.json","retrieved_at":"2026-10-13T13:57:20+00:00","summary":"Transfer log: RESOURCE_TRANSFER on 2011-12-22 19:01 UTC, Bresnan Communications, LLC. (ARIN) to Optimum Online (ARIN); resources moved: 174.44.0.0/16"}]}],"classification_history":{"0b5588434c46804c":[{"raw_change_id":125151,"classification_code":"RANGE_REPRESENTATION_CHANGE","confidence":"STRONG_INFERENCE","classifier_version":"1.3.0","classified_at":"2026-10-13T03:15:52+00:00","current":0,"public_explanation":"This range is part of a larger block from which a piece was transferred around 2011-12-22; the rest was re-registered to show the split. ARIN's statistics show it allocated (dated 2009-01-13) on 2011-12-21 and allocated (dated 2011-12-22) on 2011-12-23. (Until 2013-03-05, ARIN's statistics list only what's issued.)"},{"raw_change_id":125151,"classification_code":"RANGE_REPRESENTATION_CHANGE","confidence":"STRONG_INFERENCE","classifier_version":"1.3.1","classified_at":"2026-10-13T08:05:23+00:00","current":0,"public_explanation":"This range is part of a larger block from which a piece was transferred around 2011-12-22; the rest was re-registered to show the split. ARIN's statistics show it allocated (dated 2009-01-13) on 2011-12-21 and allocated (dated 2011-12-22) on 2011-12-23. (Until 2013-03-05, ARIN's statistics list only what's issued.)"},{"raw_change_id":125151,"classification_code":"RANGE_REPRESENTATION_CHANGE","confidence":"STRONG_INFERENCE","classifier_version":"1.3.2","classified_at":"2026-10-13T14:47:57+00:00","current":0,"public_explanation":"This range is part of a larger block from which a piece was transferred around 2011-12-22; the rest was re-registered to show the split. ARIN's statistics show it allocated (dated 2009-01-13) on 2011-12-21 and allocated (dated 2011-12-22) on 2011-12-23. (Until 2013-03-05, ARIN's statistics list only what's issued.)"},{"raw_change_id":125151,"classification_code":"RANGE_REPRESENTATION_CHANGE","confidence":"STRONG_INFERENCE","classifier_version":"1.4.0","classified_at":"2026-10-13T23:50:57+00:00","current":1,"public_explanation":"This range is part of a larger block from which a piece was transferred around 2011-12-22; the rest was re-registered to show the split. ARIN's statistics show it allocated (dated 2009-01-13) on 2011-12-21 and allocated (dated 2011-12-22) on 2011-12-23. (Until 2013-03-05, ARIN's statistics list only what's issued.)"}]},"arin_statistics_now":{"status":"allocated (dated 2011-12-22)"}}