{"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":"66.185.128.0/19","resource_type":"ipv4","page":"https://rirtracker.com/ip/66.185.128.0-66.185.159.255/","statistics_now":{"registry":"ARIN","status":"allocated (dated 2025-10-20)"},"current_holder":{"rir":"ARIN","org":"GEICO","how":"ARIN's latest statistics and the latest transfer record"},"rdap_snapshots":[],"transfers":[{"id":41755,"date":"2025-10-20T19:29:27Z","type":"RESOURCE_TRANSFER","source_rir":"ARIN","recipient_rir":"ARIN","source_org":"Yahoo Holdings Inc.","recipient_org":"GEICO","range":"66.185.128.0/19","log":"ARIN"},{"id":17185,"date":"2019-03-22T20:12:05Z","type":"MERGER_ACQUISITION","source_rir":"ARIN","recipient_rir":"ARIN","source_org":"AOL Transit Data Network","recipient_org":"Oath Holdings Inc.","range":"66.185.128.0/19","log":"ARIN"}],"events":[{"event_id":"5ccaf9ab15154609","registry":"ARIN","report_date":"2025-10-20","source":"arin_issued","raw_action":"ADD","raw_line":"Add 66.185.128.0-66.185.159.255","resource_type":"ipv4","resource":"66.185.128.0/19","start":"66.185.128.0","end":"66.185.159.255","classification":"INTRA_RIR_TRANSFER","classification_label":"Intra-ARIN transfer","confidence":"CONFIRMED","source_rir":"ARIN","recipient_rir":"ARIN","source_organization":"Yahoo Holdings Inc.","recipient_organization":"GEICO","inventory_effect":"No effect on ARIN applicant inventory","inventory_effect_code":"NO_EFFECT","provisional":false,"classifier_version":"1.4.0","classified_at":"2026-10-13T23:54:38+00:00","page":"https://rirtracker.com/ip/66.185.128.0-66.185.159.255/#e-5ccaf9ab15154609","report_page":"https://rirtracker.com/arin/reports/2025-10-20/","evidence_url":"https://rirtracker.com/api/v1/resources/ip/66.185.128.0-66.185.159.255.json","explanation":"ARIN's transfer log records a transfer from Yahoo Holdings Inc. (ARIN) to GEICO (ARIN) on 2025-10-20 19:29 UTC. ARIN-Issued lists it as \"Add\" because the registration changed hands; it is not a new allocation from ARIN.","evidence":[{"type":"arin_issued","url":"https://lists.arin.net/pipermail/arin-issued/2025-October/006155.html","retrieved_at":"2026-10-12T18:43:11+00:00","summary":"ARIN-Issued report for 2025-10-20: \"Add 66.185.128.0-66.185.159.255\""},{"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 2025-10-20 19:29 UTC, Yahoo Holdings Inc. (ARIN) to GEICO (ARIN); resources moved: 66.185.128.0/19"},{"type":"delegated_before","url":"https://ftp.arin.net/pub/stats/arin/archive/2025/delegated-arin-extended-20251019.gz","retrieved_at":"2026-10-13T00:08:52+00:00","summary":"ARIN delegated statistics 2025-10-19 (produced 2025-10-19T13:00:47+00:00), before the report: allocated (dated 2001-10-31)"},{"type":"delegated_after","url":"https://ftp.arin.net/pub/stats/arin/archive/2025/delegated-arin-extended-20251021.gz","retrieved_at":"2026-10-13T00:08:57+00:00","summary":"ARIN delegated statistics 2025-10-21 (produced 2025-10-21T13:00:48+00:00), after the report: allocated (dated 2025-10-20)"}]},{"event_id":"473afad9d170f39f","registry":"ARIN","report_date":"2019-03-22","source":"transfers","raw_action":"TRANSFER","raw_line":null,"resource_type":"ipv4","resource":"66.185.128.0/19","start":"66.185.128.0","end":"66.185.159.255","classification":"MERGER_ACQUISITION","classification_label":"Merger/acquisition or reorganization","confidence":"CONFIRMED","source_rir":"ARIN","recipient_rir":"ARIN","source_organization":"AOL Transit Data Network","recipient_organization":"Oath Holdings Inc.","inventory_effect":"No effect on ARIN applicant inventory","inventory_effect_code":"NO_EFFECT","provisional":false,"classifier_version":"1.4.0","classified_at":"2026-10-14T00:18:43+00:00","page":"https://rirtracker.com/ip/66.185.128.0-66.185.159.255/#e-473afad9d170f39f","report_page":"https://rirtracker.com/arin/reports/2019-03-22/","evidence_url":"https://rirtracker.com/api/v1/resources/ip/66.185.128.0-66.185.159.255.json","observed":"Merger/acquisition: AOL Transit Data Network (ARIN) to Oath Holdings Inc. (ARIN)","explanation":"ARIN's transfer log records a merger, acquisition or reorganization from AOL Transit Data Network (ARIN) to Oath Holdings Inc. (ARIN) on 2019-03-22 20:12 UTC. The registration changed hands; it is not a new allocation from ARIN. ARIN-Issued and ARIN's statistics don't show this change; only the transfer log records it.","evidence":[{"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: MERGER_ACQUISITION on 2019-03-22 20:12 UTC, AOL Transit Data Network (ARIN) to Oath Holdings Inc. (ARIN); resources moved: 66.185.128.0/19"},{"type":"delegated_before","url":"https://ftp.arin.net/pub/stats/arin/archive/2019/delegated-arin-extended-20190321.gz","retrieved_at":"2026-10-12T22:02:11+00:00","summary":"ARIN delegated statistics 2019-03-21 (produced 2019-03-21T05:00:18+00:00), before the report: assigned (dated 2001-10-31)"},{"type":"delegated_after","url":"https://ftp.arin.net/pub/stats/arin/archive/2019/delegated-arin-extended-20190323.gz","retrieved_at":"2026-10-12T22:02:16+00:00","summary":"ARIN delegated statistics 2019-03-23 (produced 2019-03-23T05:00:16+00:00), after the report: allocated (dated 2001-10-31)"}]}],"classification_history":{"5ccaf9ab15154609":[{"raw_change_id":197234,"classification_code":"INTRA_RIR_TRANSFER","confidence":"CONFIRMED","classifier_version":"1.3.0","classified_at":"2026-10-13T04:08:29+00:00","current":0,"public_explanation":"ARIN's transfer log records a transfer from Yahoo Holdings Inc. (ARIN) to GEICO (ARIN) on 2025-10-20 19:29 UTC. ARIN-Issued lists it as \"Add\" because the registration changed hands; it is not a new allocation from ARIN."},{"raw_change_id":197234,"classification_code":"INTRA_RIR_TRANSFER","confidence":"CONFIRMED","classifier_version":"1.3.1","classified_at":"2026-10-13T08:08:08+00:00","current":0,"public_explanation":"ARIN's transfer log records a transfer from Yahoo Holdings Inc. (ARIN) to GEICO (ARIN) on 2025-10-20 19:29 UTC. ARIN-Issued lists it as \"Add\" because the registration changed hands; it is not a new allocation from ARIN."},{"raw_change_id":197234,"classification_code":"INTRA_RIR_TRANSFER","confidence":"CONFIRMED","classifier_version":"1.3.2","classified_at":"2026-10-13T14:51:03+00:00","current":0,"public_explanation":"ARIN's transfer log records a transfer from Yahoo Holdings Inc. (ARIN) to GEICO (ARIN) on 2025-10-20 19:29 UTC. ARIN-Issued lists it as \"Add\" because the registration changed hands; it is not a new allocation from ARIN."},{"raw_change_id":197234,"classification_code":"INTRA_RIR_TRANSFER","confidence":"CONFIRMED","classifier_version":"1.4.0","classified_at":"2026-10-13T23:54:38+00:00","current":1,"public_explanation":"ARIN's transfer log records a transfer from Yahoo Holdings Inc. (ARIN) to GEICO (ARIN) on 2025-10-20 19:29 UTC. ARIN-Issued lists it as \"Add\" because the registration changed hands; it is not a new allocation from ARIN."}],"473afad9d170f39f":[{"raw_change_id":558089,"classification_code":"MERGER_ACQUISITION","confidence":"CONFIRMED","classifier_version":"1.4.0","classified_at":"2026-10-14T00:18:43+00:00","current":1,"public_explanation":"ARIN's transfer log records a merger, acquisition or reorganization from AOL Transit Data Network (ARIN) to Oath Holdings Inc. (ARIN) on 2019-03-22 20:12 UTC. The registration changed hands; it is not a new allocation from ARIN. ARIN-Issued and ARIN's statistics don't show this change; only the transfer log records it."}]},"arin_statistics_now":{"status":"allocated (dated 2025-10-20)"}}