{"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":"66.33.0.0/17","resource_type":"ipv4","page":"https://rirtracker.com/ip/66.33.0.0-66.33.127.255/","statistics_now":{"registry":"ARIN","status":"allocated (50 records, dated 2000-10-13 to 2025-08-28) (only part of the range)"},"current_holder":{"rir":null,"org":null,"how":null},"rdap_snapshots":[],"transfers":[{"id":41189,"date":"2025-08-28T17:20:53Z","type":"RESOURCE_TRANSFER","source_rir":"ARIN","recipient_rir":"ARIN","source_org":"Aptum Technologies","recipient_org":"Interactive Brokers Corp","range":"66.33.70.0/23","log":"ARIN"},{"id":41129,"date":"2025-08-18T19:26:43Z","type":"RESOURCE_TRANSFER","source_rir":"ARIN","recipient_rir":"ARIN","source_org":"Aptum Technologies","recipient_org":"IQ 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LLC","range":"66.33.24.0/21","log":"ARIN"},{"id":31966,"date":"2023-05-18T19:48:48Z","type":"RESOURCE_TRANSFER","source_rir":"ARIN","recipient_rir":"ARIN","source_org":"Aptum Technologies","recipient_org":"DIAMOND STATE NETWORKS, LLC","range":"66.33.80.0/21","log":"ARIN"},{"id":31047,"date":"2023-03-28T16:37:16Z","type":"RESOURCE_TRANSFER","source_rir":"ARIN","recipient_rir":"ARIN","source_org":"Aptum Technologies","recipient_org":"Rival5 Technologies Corporation","range":"66.33.6.0/24","log":"ARIN"},{"id":30833,"date":"2023-02-27T19:50:24Z","type":"RESOURCE_TRANSFER","source_rir":"ARIN","recipient_rir":"ARIN","source_org":"Aptum Technologies","recipient_org":"Jackson County Rural Electric Membership Corporation","range":"66.33.40.0/21","log":"ARIN"},{"id":30397,"date":"2023-02-03T23:01:56Z","type":"RESOURCE_TRANSFER","source_rir":"ARIN","recipient_rir":"ARIN","source_org":"Aptum 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Inc.","range":"66.33.90.0/23","log":"ARIN"},{"id":29908,"date":"2022-12-14T13:44:18Z","type":"RESOURCE_TRANSFER","source_rir":"ARIN","recipient_rir":"ARIN","source_org":"Aptum Technologies","recipient_org":"BlackHat Technologies, LLC","range":"66.33.33.0/24","log":"ARIN"},{"id":29707,"date":"2022-11-29T15:34:47Z","type":"RESOURCE_TRANSFER","source_rir":"ARIN","recipient_rir":"ARIN","source_org":"Aptum Technologies","recipient_org":"First Foundation Inc","range":"66.33.62.0/24","log":"ARIN"},{"id":29706,"date":"2022-11-29T15:34:47Z","type":"RESOURCE_TRANSFER","source_rir":"ARIN","recipient_rir":"ARIN","source_org":"Aptum Technologies","recipient_org":"First Foundation Inc","range":"66.33.64.0/24","log":"ARIN"},{"id":29705,"date":"2022-11-29T15:34:47Z","type":"RESOURCE_TRANSFER","source_rir":"ARIN","recipient_rir":"ARIN","source_org":"Aptum Technologies","recipient_org":"First Foundation Inc","range":"66.33.66.0/24","log":"ARIN"},{"id":29648,"date":"2022-11-17T14:45:59Z","type":"RESOURCE_TRANSFER","source_rir":"ARIN","recipient_rir":"ARIN","source_org":"Aptum Technologies","recipient_org":"Infinity Fiber LLC","range":"66.33.48.0/21","log":"ARIN"},{"id":29571,"date":"2022-11-10T20:53:00Z","type":"RESOURCE_TRANSFER","source_rir":"ARIN","recipient_rir":"ARIN","source_org":"Aptum Technologies","recipient_org":"BIF IV","range":"66.33.8.0/21","log":"ARIN"},{"id":16528,"date":"2018-12-05T13:52:09Z","type":"MERGER_ACQUISITION","source_rir":"ARIN","recipient_rir":"ARIN","source_org":"Peer 1 Dedicated Hosting","recipient_org":"Cogeco Peer 1","range":"66.33.0.0/17","log":"ARIN"}],"events":[{"event_id":"cb65793e97b5278e","registry":"ARIN","report_date":"2018-12-05","source":"transfers","raw_action":"TRANSFER","raw_line":null,"resource_type":"ipv4","resource":"66.33.0.0/17","start":"66.33.0.0","end":"66.33.127.255","classification":"MERGER_ACQUISITION","classification_label":"Merger/acquisition or reorganization","confidence":"CONFIRMED","source_rir":"ARIN","recipient_rir":"ARIN","source_organization":"Peer 1 Dedicated Hosting","recipient_organization":"Cogeco Peer 1","inventory_effect":"No effect on ARIN applicant inventory","inventory_effect_code":"NO_EFFECT","provisional":false,"classifier_version":"1.4.0","classified_at":"2026-10-14T00:18:42+00:00","page":"https://rirtracker.com/ip/66.33.0.0-66.33.127.255/#e-cb65793e97b5278e","report_page":"https://rirtracker.com/arin/reports/2018-12-05/","evidence_url":"https://rirtracker.com/api/v1/resources/ip/66.33.0.0-66.33.127.255.json","observed":"Merger/acquisition: Peer 1 Dedicated Hosting (ARIN) to Cogeco Peer 1 (ARIN)","explanation":"ARIN's transfer log records a merger, acquisition or reorganization from Peer 1 Dedicated Hosting (ARIN) to Cogeco Peer 1 (ARIN) on 2018-12-05 13:52 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 2018-12-05 13:52 UTC, Peer 1 Dedicated Hosting (ARIN) to Cogeco Peer 1 (ARIN); resources moved: 66.33.0.0/17"},{"type":"delegated_before","url":"https://ftp.arin.net/pub/stats/arin/archive/2018/delegated-arin-extended-20181204.gz","retrieved_at":"2026-10-12T21:56:38+00:00","summary":"ARIN delegated statistics 2018-12-04 (produced 2018-12-04T06:00:12+00:00), before the report: allocated (dated 2000-10-13)"},{"type":"delegated_after","url":"https://ftp.arin.net/pub/stats/arin/archive/2018/delegated-arin-extended-20181206.gz","retrieved_at":"2026-10-12T21:56:43+00:00","summary":"ARIN delegated statistics 2018-12-06 (produced 2018-12-06T06:00:10+00:00), after the report: allocated (dated 2000-10-13)"}]}],"classification_history":{"cb65793e97b5278e":[{"raw_change_id":557616,"classification_code":"MERGER_ACQUISITION","confidence":"CONFIRMED","classifier_version":"1.4.0","classified_at":"2026-10-14T00:18:42+00:00","current":1,"public_explanation":"ARIN's transfer log records a merger, acquisition or reorganization from Peer 1 Dedicated Hosting (ARIN) to Cogeco Peer 1 (ARIN) on 2018-12-05 13:52 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 (50 records, dated 2000-10-13 to 2025-08-28) (only part of the range)"}}