{"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":"170.75.128.0/17","resource_type":"ipv4","page":"https://rirtracker.com/ip/170.75.128.0-170.75.255.255/","statistics_now":{"registry":"ARIN","status":"allocated (dated 2014-06-09), allocated (dated 2014-06-10), allocated (dated 2014-06-11), allocated (dated 2014-06-16), allocated (dated 2014-06-18), allocated (dated 2014-06-23), allocated (dated 2014-08-04)"},"current_holder":{"rir":"ARIN","org":null,"how":"ARIN's latest statistics"},"rdap_snapshots":[],"transfers":[{"id":29367,"date":"2022-10-11T16:32:00Z","type":"MERGER_ACQUISITION","source_rir":"ARIN","recipient_rir":"ARIN","source_org":"Dallas Infrastructure Services, LLC","recipient_org":"1515 ROUNDTABLE DR PROPERTY, LLC","range":"170.75.240.0/20","log":"ARIN"},{"id":20873,"date":"2020-06-10T20:21:01Z","type":"MERGER_ACQUISITION","source_rir":"ARIN","recipient_rir":"ARIN","source_org":"VOLCANO INTERNET PROVIDER","recipient_org":"Volcano Vision, Inc.","range":"170.75.128.0/20","log":"ARIN"},{"id":18439,"date":"2019-07-15T15:56:15Z","type":"MERGER_ACQUISITION","source_rir":"ARIN","recipient_rir":"ARIN","source_org":"Commercial Network Services","recipient_org":"BeeksFX VPS USA Inc.","range":"170.75.192.0/20","log":"ARIN"}],"events":[{"event_id":"570ca690b936b756","registry":"ARIN","report_date":"2011-05-18","source":"arin_issued","raw_action":"REMOVE","raw_line":"Remove 170.75.128.0-170.75.255.255","resource_type":"ipv4","resource":"170.75.128.0/17","start":"170.75.128.0","end":"170.75.255.255","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":"2026-10-13T23:50:53+00:00","page":"https://rirtracker.com/ip/170.75.128.0-170.75.255.255/#e-570ca690b936b756","report_page":"https://rirtracker.com/arin/reports/2011-05-18/","evidence_url":"https://rirtracker.com/api/v1/resources/ip/170.75.128.0-170.75.255.255.json","explanation":"ARIN-Issued says \"Remove\", but ARIN's statistics show it not issued on 2011-05-17 and not issued on 2011-05-19. (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-May/000885.html","retrieved_at":"2026-10-12T18:37:06+00:00","summary":"ARIN-Issued report for 2011-05-18: \"Remove 170.75.128.0-170.75.255.255\""},{"type":"delegated_before","url":"https://ftp.arin.net/pub/stats/arin/archive/2011/delegated-arin-20110517.gz","retrieved_at":"2026-10-12T19:20:11+00:00","summary":"ARIN delegated statistics 2011-05-17, before the report: not issued"},{"type":"delegated_after","url":"https://ftp.arin.net/pub/stats/arin/archive/2011/delegated-arin-20110519.gz","retrieved_at":"2026-10-12T19:20:16+00:00","summary":"ARIN delegated statistics 2011-05-19, after the report: not issued"}]}],"classification_history":{"570ca690b936b756":[{"raw_change_id":123567,"classification_code":"UNRESOLVED","confidence":"OBSERVED_ONLY","classifier_version":"1.3.0","classified_at":"2026-10-13T03:14:00+00:00","current":0,"public_explanation":"ARIN-Issued says \"Remove\", but ARIN's statistics show it not issued on 2011-05-17 and not issued on 2011-05-19. (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":123567,"classification_code":"UNRESOLVED","confidence":"OBSERVED_ONLY","classifier_version":"1.3.1","classified_at":"2026-10-13T08:05:20+00:00","current":0,"public_explanation":"ARIN-Issued says \"Remove\", but ARIN's statistics show it not issued on 2011-05-17 and not issued on 2011-05-19. (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":123567,"classification_code":"UNRESOLVED","confidence":"OBSERVED_ONLY","classifier_version":"1.3.2","classified_at":"2026-10-13T14:47:54+00:00","current":0,"public_explanation":"ARIN-Issued says \"Remove\", but ARIN's statistics show it not issued on 2011-05-17 and not issued on 2011-05-19. (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":123567,"classification_code":"UNRESOLVED","confidence":"OBSERVED_ONLY","classifier_version":"1.4.0","classified_at":"2026-10-13T23:50:53+00:00","current":1,"public_explanation":"ARIN-Issued says \"Remove\", but ARIN's statistics show it not issued on 2011-05-17 and not issued on 2011-05-19. (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 2014-06-09), allocated (dated 2014-06-10), allocated (dated 2014-06-11), allocated (dated 2014-06-16), allocated (dated 2014-06-18), allocated (dated 2014-06-23), allocated (dated 2014-08-04)"}}