{"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":"199.254.72.0/21","resource_type":"ipv4","page":"https://rirtracker.com/ip/199.254.72.0-199.254.79.255/","statistics_now":{"registry":"ARIN","status":"allocated (dated 1994-05-09)"},"current_holder":{"rir":"ARIN","org":"Arch Capital Services Inc.","how":"ARIN's latest statistics and the latest transfer record"},"rdap_snapshots":[],"transfers":[{"id":24011,"date":"2021-03-08T20:45:29Z","type":"MERGER_ACQUISITION","source_rir":"ARIN","recipient_rir":"ARIN","source_org":"Arch U.S MI Services Inc.","recipient_org":"Arch Capital Services Inc.","range":"199.254.72.0/21","log":"ARIN"}],"events":[{"event_id":"7fa55a77711df10c","registry":"ARIN","report_date":"2021-03-08","source":"transfers","raw_action":"TRANSFER","raw_line":null,"resource_type":"ipv4","resource":"199.254.72.0/21","start":"199.254.72.0","end":"199.254.79.255","classification":"MERGER_ACQUISITION","classification_label":"Merger/acquisition or reorganization","confidence":"CONFIRMED","source_rir":"ARIN","recipient_rir":"ARIN","source_organization":"Arch U.S MI Services Inc.","recipient_organization":"Arch Capital Services Inc.","inventory_effect":"No effect on ARIN applicant inventory","inventory_effect_code":"NO_EFFECT","provisional":false,"classifier_version":"1.4.0","classified_at":"2026-10-14T00:18:55+00:00","page":"https://rirtracker.com/ip/199.254.72.0-199.254.79.255/#e-7fa55a77711df10c","report_page":"https://rirtracker.com/arin/reports/2021-03-08/","evidence_url":"https://rirtracker.com/api/v1/resources/ip/199.254.72.0-199.254.79.255.json","observed":"Merger/acquisition: Arch U.S MI Services Inc. (ARIN) to Arch Capital Services Inc. (ARIN)","piece_of":{"resource":"199.254.64.0/19","page":"https://rirtracker.com/ip/199.254.64.0-199.254.95.255/"},"explanation":"ARIN's transfer log records a merger, acquisition or reorganization from Arch U.S MI Services Inc. (ARIN) to Arch Capital Services Inc. (ARIN) on 2021-03-08 20:45 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 2021-03-08 20:45 UTC, Arch U.S MI Services Inc. (ARIN) to Arch Capital Services Inc. (ARIN); resources moved: 199.254.72.0/21"},{"type":"delegated_before","url":"https://ftp.arin.net/pub/stats/arin/archive/2021/delegated-arin-extended-20210307.gz","retrieved_at":"2026-10-12T22:39:15+00:00","summary":"ARIN delegated statistics 2021-03-07 (produced 2021-03-07T15:00:12+00:00), before the report: assigned (dated 1994-05-09)"},{"type":"delegated_after","url":"https://ftp.arin.net/pub/stats/arin/archive/2021/delegated-arin-extended-20210309.gz","retrieved_at":"2026-10-12T22:39:20+00:00","summary":"ARIN delegated statistics 2021-03-09 (produced 2021-03-09T15:00:12+00:00), after the report: assigned (dated 1994-05-09)"}]}],"classification_history":{"7fa55a77711df10c":[{"raw_change_id":562924,"classification_code":"MERGER_ACQUISITION","confidence":"CONFIRMED","classifier_version":"1.4.0","classified_at":"2026-10-14T00:18:55+00:00","current":1,"public_explanation":"ARIN's transfer log records a merger, acquisition or reorganization from Arch U.S MI Services Inc. (ARIN) to Arch Capital Services Inc. (ARIN) on 2021-03-08 20:45 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 1994-05-09)"}}