{"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":"66.81.159.0 - 66.81.207.255","resource_type":"ipv4","page":"https://rirtracker.com/ip/66.81.159.0-66.81.207.255/","statistics_now":{"registry":"ARIN","status":"allocated (dated 2012-02-13), allocated (dated 2017-01-23)"},"current_holder":{"rir":null,"org":null,"how":null},"rdap_snapshots":[],"transfers":[{"id":26340,"date":"2021-12-09T20:19:56Z","type":"MERGER_ACQUISITION","source_rir":"ARIN","recipient_rir":"ARIN","source_org":"O1.com","recipient_org":"HFA Specialty Assets LLC","range":"66.81.159.0/24","log":"ARIN"},{"id":68979,"date":"2020-03-02T19:00:00Z","type":"RESOURCE_TRANSFER","source_rir":"ARIN","recipient_rir":"RIPE NCC","source_org":null,"recipient_org":"XTRA TELECOM S.A.","range":"66.81.160.0/19","log":"RIPE NCC"},{"id":20158,"date":"2020-03-02T16:53:44Z","type":"RESOURCE_TRANSFER","source_rir":"ARIN","recipient_rir":"RIPE NCC","source_org":"O1.com","recipient_org":"XTRA TELECOM S.A.","range":"66.81.160.0/19","log":"ARIN"},{"id":8605,"date":"2017-01-23T15:24:20Z","type":"RESOURCE_TRANSFER","source_rir":"ARIN","recipient_rir":"ARIN","source_org":"O1.com","recipient_org":"Confluence Networks Inc","range":"66.81.192.0/20","log":"ARIN"}],"events":[{"event_id":"6afde25f89201bf2","registry":"ARIN","report_date":"2012-02-13","source":"arin_issued","raw_action":"ADD","raw_line":"Add 66.81.159.0-66.81.207.255","resource_type":"ipv4","resource":"66.81.159.0 - 66.81.207.255","start":"66.81.159.0","end":"66.81.207.255","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":"2026-10-13T23:50:58+00:00","page":"https://rirtracker.com/ip/66.81.159.0-66.81.207.255/#e-6afde25f89201bf2","report_page":"https://rirtracker.com/arin/reports/2012-02-13/","evidence_url":"https://rirtracker.com/api/v1/resources/ip/66.81.159.0-66.81.207.255.json","explanation":"No transfer record matches. ARIN's statistics show it allocated (dated 2001-02-28) on 2012-02-12 and allocated (dated 2012-02-13) on 2012-02-14. (Until 2013-03-05, ARIN's statistics list only what's issued.) The registration was replaced with one for a different holder record, and public sources don't say why (a transfer not yet logged, a return and reissue, or an organization record change).","evidence":[{"type":"arin_issued","url":"https://lists.arin.net/pipermail/arin-issued/2012-February/001159.html","retrieved_at":"2026-10-12T18:37:25+00:00","summary":"ARIN-Issued report for 2012-02-13: \"Add 66.81.159.0-66.81.207.255\""},{"type":"delegated_before","url":"https://ftp.arin.net/pub/stats/arin/archive/2012/delegated-arin-20120212.gz","retrieved_at":"2026-10-12T19:31:48+00:00","summary":"ARIN delegated statistics 2012-02-12, before the report: allocated (dated 2001-02-28)"},{"type":"delegated_after","url":"https://ftp.arin.net/pub/stats/arin/archive/2012/delegated-arin-20120214.gz","retrieved_at":"2026-10-12T19:31:53+00:00","summary":"ARIN delegated statistics 2012-02-14, after the report: allocated (dated 2012-02-13)"}]}],"classification_history":{"6afde25f89201bf2":[{"raw_change_id":125484,"classification_code":"UNRESOLVED","confidence":"OBSERVED_ONLY","classifier_version":"1.3.0","classified_at":"2026-10-13T03:16:16+00:00","current":0,"public_explanation":"No transfer record matches. ARIN's statistics show it allocated (dated 2001-02-28) on 2012-02-12 and allocated (dated 2012-02-13) on 2012-02-14. (Until 2013-03-05, ARIN's statistics list only what's issued.) The registration was replaced with one for a different holder record, and public sources don't say why (a transfer not yet logged, a return and reissue, or an organization record change)."},{"raw_change_id":125484,"classification_code":"UNRESOLVED","confidence":"OBSERVED_ONLY","classifier_version":"1.3.1","classified_at":"2026-10-13T08:05:23+00:00","current":0,"public_explanation":"No transfer record matches. ARIN's statistics show it allocated (dated 2001-02-28) on 2012-02-12 and allocated (dated 2012-02-13) on 2012-02-14. (Until 2013-03-05, ARIN's statistics list only what's issued.) The registration was replaced with one for a different holder record, and public sources don't say why (a transfer not yet logged, a return and reissue, or an organization record change)."},{"raw_change_id":125484,"classification_code":"UNRESOLVED","confidence":"OBSERVED_ONLY","classifier_version":"1.3.2","classified_at":"2026-10-13T14:47:57+00:00","current":0,"public_explanation":"No transfer record matches. ARIN's statistics show it allocated (dated 2001-02-28) on 2012-02-12 and allocated (dated 2012-02-13) on 2012-02-14. (Until 2013-03-05, ARIN's statistics list only what's issued.) The registration was replaced with one for a different holder record, and public sources don't say why (a transfer not yet logged, a return and reissue, or an organization record change)."},{"raw_change_id":125484,"classification_code":"UNRESOLVED","confidence":"OBSERVED_ONLY","classifier_version":"1.4.0","classified_at":"2026-10-13T23:50:58+00:00","current":1,"public_explanation":"No transfer record matches. ARIN's statistics show it allocated (dated 2001-02-28) on 2012-02-12 and allocated (dated 2012-02-13) on 2012-02-14. (Until 2013-03-05, ARIN's statistics list only what's issued.) The registration was replaced with one for a different holder record, and public sources don't say why (a transfer not yet logged, a return and reissue, or an organization record change)."}]},"arin_statistics_now":{"status":"allocated (dated 2012-02-13), allocated (dated 2017-01-23)"}}