{"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":"66.187.8.0/22","resource_type":"ipv4","page":"https://rirtracker.com/ip/66.187.8.0-66.187.11.255/","statistics_now":{"registry":"ARIN","status":"allocated (dated 2021-04-01)"},"current_holder":{"rir":"ARIN","org":"Bitrion LLC","how":"ARIN's latest statistics and the latest transfer record"},"rdap_snapshots":[],"transfers":[{"id":38765,"date":"2025-02-05T15:42:46Z","type":"MERGER_ACQUISITION","source_rir":"ARIN","recipient_rir":"ARIN","source_org":"NullHosting LLC","recipient_org":"Bitrion LLC","range":"66.187.8.0/22","log":"ARIN"}],"events":[{"event_id":"089b4ad4e294e3c4","registry":"ARIN","report_date":"2025-02-05","source":"transfers","raw_action":"TRANSFER","raw_line":null,"resource_type":"ipv4","resource":"66.187.8.0/22","start":"66.187.8.0","end":"66.187.11.255","classification":"MERGER_ACQUISITION","classification_label":"Merger/acquisition or reorganization","confidence":"CONFIRMED","source_rir":"ARIN","recipient_rir":"ARIN","source_organization":"NullHosting LLC","recipient_organization":"Bitrion LLC","inventory_effect":"No effect on ARIN applicant inventory","inventory_effect_code":"NO_EFFECT","provisional":false,"classifier_version":"1.4.0","classified_at":"2026-10-14T00:19:19+00:00","page":"https://rirtracker.com/ip/66.187.8.0-66.187.11.255/#e-089b4ad4e294e3c4","report_page":"https://rirtracker.com/arin/reports/2025-02-05/","evidence_url":"https://rirtracker.com/api/v1/resources/ip/66.187.8.0-66.187.11.255.json","observed":"Merger/acquisition: NullHosting LLC (ARIN) to Bitrion LLC (ARIN)","explanation":"ARIN's transfer log records a merger, acquisition or reorganization from NullHosting LLC (ARIN) to Bitrion LLC (ARIN) on 2025-02-05 15:42 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 2025-02-05 15:42 UTC, NullHosting LLC (ARIN) to Bitrion LLC (ARIN); resources moved: 66.187.8.0/22"},{"type":"delegated_before","url":"https://ftp.arin.net/pub/stats/arin/archive/2025/delegated-arin-extended-20250204.gz","retrieved_at":"2026-10-12T23:54:12+00:00","summary":"ARIN delegated statistics 2025-02-04 (produced 2025-02-04T14:01:05+00:00), before the report: allocated (dated 2021-04-01)"},{"type":"delegated_after","url":"https://ftp.arin.net/pub/stats/arin/archive/2025/delegated-arin-extended-20250206.gz","retrieved_at":"2026-10-12T23:54:17+00:00","summary":"ARIN delegated statistics 2025-02-06 (produced 2025-02-06T14:01:07+00:00), after the report: allocated (dated 2021-04-01)"}]},{"event_id":"692f1d0677a78bbb","registry":"ARIN","report_date":"2021-04-01","source":"arin_issued","raw_action":"ADD","raw_line":"Add 66.187.8.0-66.187.11.255","resource_type":"ipv4","resource":"66.187.8.0/22","start":"66.187.8.0","end":"66.187.11.255","classification":"APPARENT_REISSUANCE","classification_label":"Apparent reissuance of previously removed resource","confidence":"OBSERVED_ONLY","source_rir":null,"recipient_rir":null,"source_organization":null,"recipient_organization":null,"inventory_effect":"Likely issued from ARIN-controlled inventory","inventory_effect_code":"ISSUED","provisional":false,"classifier_version":"1.4.0","classified_at":"2026-10-13T23:53:06+00:00","page":"https://rirtracker.com/ip/66.187.8.0-66.187.11.255/#e-692f1d0677a78bbb","report_page":"https://rirtracker.com/arin/reports/2021-04-01/","evidence_url":"https://rirtracker.com/api/v1/resources/ip/66.187.8.0-66.187.11.255.json","explanation":"No transfer record matches. ARIN's statistics show it reserved on 2021-03-31 and allocated (dated 2021-04-01) on 2021-04-02. The tracker saw this range released from hold on 2021-03-31 (66.187.0.0-66.187.15.255), so it appears to have been issued again from ARIN's pool. Another change to this range was reported the day before or after (2021-03-31: Remove 66.187.0.0-66.187.15.255), so the before-and-after statistics may include it.","evidence":[{"type":"arin_issued","url":"https://lists.arin.net/pipermail/arin-issued/2021-April/004493.html","retrieved_at":"2026-10-12T18:41:17+00:00","summary":"ARIN-Issued report for 2021-04-01: \"Add 66.187.8.0-66.187.11.255\""},{"type":"delegated_before","url":"https://ftp.arin.net/pub/stats/arin/archive/2021/delegated-arin-extended-20210331.gz","retrieved_at":"2026-10-12T22:40:33+00:00","summary":"ARIN delegated statistics 2021-03-31 (produced 2021-03-31T14:00:13+00:00), before the report: reserved"},{"type":"delegated_after","url":"https://ftp.arin.net/pub/stats/arin/archive/2021/delegated-arin-extended-20210402.gz","retrieved_at":"2026-10-12T22:40:38+00:00","summary":"ARIN delegated statistics 2021-04-02 (produced 2021-04-02T14:00:13+00:00), after the report: allocated (dated 2021-04-01)"}]}],"classification_history":{"089b4ad4e294e3c4":[{"raw_change_id":572781,"classification_code":"MERGER_ACQUISITION","confidence":"CONFIRMED","classifier_version":"1.4.0","classified_at":"2026-10-14T00:19:19+00:00","current":1,"public_explanation":"ARIN's transfer log records a merger, acquisition or reorganization from NullHosting LLC (ARIN) to Bitrion LLC (ARIN) on 2025-02-05 15:42 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."}],"692f1d0677a78bbb":[{"raw_change_id":170547,"classification_code":"APPARENT_REISSUANCE","confidence":"OBSERVED_ONLY","classifier_version":"1.3.0","classified_at":"2026-10-13T03:51:50+00:00","current":0,"public_explanation":"No transfer record matches. ARIN's statistics show it reserved on 2021-03-31 and allocated (dated 2021-04-01) on 2021-04-02. The tracker saw this range released from hold on 2021-03-31 (66.187.0.0-66.187.15.255), so it appears to have been issued again from ARIN's pool. Another change to this range was reported the day before or after (2021-03-31: Remove 66.187.0.0-66.187.15.255), so the before-and-after statistics may include it."},{"raw_change_id":170547,"classification_code":"APPARENT_REISSUANCE","confidence":"OBSERVED_ONLY","classifier_version":"1.3.1","classified_at":"2026-10-13T08:07:00+00:00","current":0,"public_explanation":"No transfer record matches. ARIN's statistics show it reserved on 2021-03-31 and allocated (dated 2021-04-01) on 2021-04-02. The tracker saw this range released from hold on 2021-03-31 (66.187.0.0-66.187.15.255), so it appears to have been issued again from ARIN's pool. Another change to this range was reported the day before or after (2021-03-31: Remove 66.187.0.0-66.187.15.255), so the before-and-after statistics may include it."},{"raw_change_id":170547,"classification_code":"APPARENT_REISSUANCE","confidence":"OBSERVED_ONLY","classifier_version":"1.3.2","classified_at":"2026-10-13T14:49:47+00:00","current":0,"public_explanation":"No transfer record matches. ARIN's statistics show it reserved on 2021-03-31 and allocated (dated 2021-04-01) on 2021-04-02. The tracker saw this range released from hold on 2021-03-31 (66.187.0.0-66.187.15.255), so it appears to have been issued again from ARIN's pool. Another change to this range was reported the day before or after (2021-03-31: Remove 66.187.0.0-66.187.15.255), so the before-and-after statistics may include it."},{"raw_change_id":170547,"classification_code":"APPARENT_REISSUANCE","confidence":"OBSERVED_ONLY","classifier_version":"1.4.0","classified_at":"2026-10-13T23:53:06+00:00","current":1,"public_explanation":"No transfer record matches. ARIN's statistics show it reserved on 2021-03-31 and allocated (dated 2021-04-01) on 2021-04-02. The tracker saw this range released from hold on 2021-03-31 (66.187.0.0-66.187.15.255), so it appears to have been issued again from ARIN's pool. Another change to this range was reported the day before or after (2021-03-31: Remove 66.187.0.0-66.187.15.255), so the before-and-after statistics may include it."}]},"arin_statistics_now":{"status":"allocated (dated 2021-04-01)"}}