{"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":"AS27547","resource_type":"asn","page":"https://rirtracker.com/asn/27547/","statistics_now":{"registry":"ARIN","status":"assigned (dated 2003-03-28)"},"current_holder":{"rir":"ARIN","org":"Arch Capital Services LLC","how":"ARIN's latest statistics and the latest transfer record"},"rdap_snapshots":[],"transfers":[{"id":3111,"date":"2022-11-22T17:44:20Z","type":"MERGER_ACQUISITION","source_rir":"ARIN","recipient_rir":"ARIN","source_org":"Arch U.S MI Services Inc.","recipient_org":"Arch Capital Services LLC","range":"AS27547","log":"ARIN"}],"events":[{"event_id":"d9a0f80f476d6b6a","registry":"ARIN","report_date":"2022-11-22","source":"transfers","raw_action":"TRANSFER","raw_line":null,"resource_type":"asn","resource":"AS27547","start":27547,"end":27547,"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 LLC","inventory_effect":"No effect on ARIN applicant inventory","inventory_effect_code":"NO_EFFECT","provisional":false,"classifier_version":"1.4.0","classified_at":"2026-10-14T00:19:05+00:00","page":"https://rirtracker.com/asn/27547/#e-d9a0f80f476d6b6a","report_page":"https://rirtracker.com/arin/reports/2022-11-22/","evidence_url":"https://rirtracker.com/api/v1/resources/asn/27547.json","observed":"Merger/acquisition: Arch U.S MI Services Inc. (ARIN) to Arch Capital Services LLC (ARIN)","explanation":"ARIN's transfer log records a merger, acquisition or reorganization from Arch U.S MI Services Inc. (ARIN) to Arch Capital Services LLC (ARIN) on 2022-11-22 17:44 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 2022-11-22 17:44 UTC, Arch U.S MI Services Inc. (ARIN) to Arch Capital Services LLC (ARIN); resources moved: AS27547"},{"type":"delegated_before","url":"https://ftp.arin.net/pub/stats/arin/archive/2022/delegated-arin-extended-20221121.gz","retrieved_at":"2026-10-12T23:11:24+00:00","summary":"ARIN delegated statistics 2022-11-21 (produced 2022-11-21T14:00:10+00:00), before the report: assigned (dated 2003-03-28)"},{"type":"delegated_after","url":"https://ftp.arin.net/pub/stats/arin/archive/2022/delegated-arin-extended-20221123.gz","retrieved_at":"2026-10-12T23:11:29+00:00","summary":"ARIN delegated statistics 2022-11-23 (produced 2022-11-23T14:00:10+00:00), after the report: assigned (dated 2003-03-28)"}]}],"classification_history":{"d9a0f80f476d6b6a":[{"raw_change_id":566719,"classification_code":"MERGER_ACQUISITION","confidence":"CONFIRMED","classifier_version":"1.4.0","classified_at":"2026-10-14T00:19:05+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 LLC (ARIN) on 2022-11-22 17:44 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":"assigned (dated 2003-03-28)"}}