{"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":"192.73.65.0/24","resource_type":"ipv4","page":"https://rirtracker.com/ip/192.73.65.0-192.73.65.255/","statistics_now":{"registry":"ARIN","status":"allocated (dated 1990-07-31)"},"current_holder":{"rir":"ARIN","org":"Cogent Communications","how":"ARIN's latest statistics and the latest transfer record"},"rdap_snapshots":[],"transfers":[{"id":41504,"date":"2025-09-23T16:14:09Z","type":"MERGER_ACQUISITION","source_rir":"ARIN","recipient_rir":"ARIN","source_org":"Performance Systems International Inc.","recipient_org":"Cogent Communications","range":"192.73.65.0/24","log":"ARIN"}],"events":[{"event_id":"c2c1508ae33317b4","registry":"ARIN","report_date":"2025-09-23","source":"transfers","raw_action":"TRANSFER","raw_line":null,"resource_type":"ipv4","resource":"192.73.65.0/24","start":"192.73.65.0","end":"192.73.65.255","classification":"MERGER_ACQUISITION","classification_label":"Merger/acquisition or reorganization","confidence":"CONFIRMED","source_rir":"ARIN","recipient_rir":"ARIN","source_organization":"Performance Systems International Inc.","recipient_organization":"Cogent Communications","inventory_effect":"No effect on ARIN applicant inventory","inventory_effect_code":"NO_EFFECT","provisional":false,"classifier_version":"1.4.0","classified_at":"2026-10-14T00:19:23+00:00","page":"https://rirtracker.com/ip/192.73.65.0-192.73.65.255/#e-c2c1508ae33317b4","report_page":"https://rirtracker.com/arin/reports/2025-09-23/","evidence_url":"https://rirtracker.com/api/v1/resources/ip/192.73.65.0-192.73.65.255.json","observed":"Merger/acquisition: Performance Systems International Inc. (ARIN) to Cogent Communications (ARIN)","explanation":"ARIN's transfer log records a merger, acquisition or reorganization from Performance Systems International Inc. (ARIN) to Cogent Communications (ARIN) on 2025-09-23 16:14 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 2025-09-23 16:14 UTC, Performance Systems International Inc. (ARIN) to Cogent Communications (ARIN); resources moved: 192.73.65.0/24"},{"type":"delegated_before","url":"https://ftp.arin.net/pub/stats/arin/archive/2025/delegated-arin-extended-20250922.gz","retrieved_at":"2026-10-13T00:07:16+00:00","summary":"ARIN delegated statistics 2025-09-22 (produced 2025-09-22T13:00:51+00:00), before the report: allocated (dated 1990-07-31)"},{"type":"delegated_after","url":"https://ftp.arin.net/pub/stats/arin/archive/2025/delegated-arin-extended-20250924.gz","retrieved_at":"2026-10-13T00:07:21+00:00","summary":"ARIN delegated statistics 2025-09-24 (produced 2025-09-24T13:00:51+00:00), after the report: allocated (dated 1990-07-31)"}]}],"classification_history":{"c2c1508ae33317b4":[{"raw_change_id":574449,"classification_code":"MERGER_ACQUISITION","confidence":"CONFIRMED","classifier_version":"1.4.0","classified_at":"2026-10-14T00:19:23+00:00","current":1,"public_explanation":"ARIN's transfer log records a merger, acquisition or reorganization from Performance Systems International Inc. (ARIN) to Cogent Communications (ARIN) on 2025-09-23 16:14 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 1990-07-31)"}}