{"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":"AS31923","resource_type":"asn","page":"https://rirtracker.com/asn/31923/","statistics_now":{"registry":"ARIN","status":"assigned (dated 2004-01-23)"},"current_holder":{"rir":"ARIN","org":"The Auto Club Group","how":"ARIN's latest statistics and the latest transfer record"},"rdap_snapshots":[],"transfers":[{"id":3759,"date":"2024-02-06T13:30:30Z","type":"MERGER_ACQUISITION","source_rir":"ARIN","recipient_rir":"ARIN","source_org":"AAA of Michigan","recipient_org":"The Auto Club Group","range":"AS31923","log":"ARIN"}],"events":[{"event_id":"b8e63304c42e2f5b","registry":"ARIN","report_date":"2024-02-06","source":"transfers","raw_action":"TRANSFER","raw_line":null,"resource_type":"asn","resource":"AS31923","start":31923,"end":31923,"classification":"MERGER_ACQUISITION","classification_label":"Merger/acquisition or reorganization","confidence":"CONFIRMED","source_rir":"ARIN","recipient_rir":"ARIN","source_organization":"AAA of Michigan","recipient_organization":"The Auto Club Group","inventory_effect":"No effect on ARIN applicant inventory","inventory_effect_code":"NO_EFFECT","provisional":false,"classifier_version":"1.4.0","classified_at":"2026-10-14T00:19:13+00:00","page":"https://rirtracker.com/asn/31923/#e-b8e63304c42e2f5b","report_page":"https://rirtracker.com/arin/reports/2024-02-06/","evidence_url":"https://rirtracker.com/api/v1/resources/asn/31923.json","observed":"Merger/acquisition: AAA of Michigan (ARIN) to The Auto Club Group (ARIN)","explanation":"ARIN's transfer log records a merger, acquisition or reorganization from AAA of Michigan (ARIN) to The Auto Club Group (ARIN) on 2024-02-06 13:30 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 2024-02-06 13:30 UTC, AAA of Michigan (ARIN) to The Auto Club Group (ARIN); resources moved: AS31923"},{"type":"delegated_before","url":"https://ftp.arin.net/pub/stats/arin/archive/2024/delegated-arin-extended-20240205.gz","retrieved_at":"2026-10-12T23:34:40+00:00","summary":"ARIN delegated statistics 2024-02-05 (produced 2024-02-05T14:00:44+00:00), before the report: assigned (dated 2004-01-23)"},{"type":"delegated_after","url":"https://ftp.arin.net/pub/stats/arin/archive/2024/delegated-arin-extended-20240207.gz","retrieved_at":"2026-10-12T23:34:44+00:00","summary":"ARIN delegated statistics 2024-02-07 (produced 2024-02-07T14:00:43+00:00), after the report: assigned (dated 2004-01-23)"}]}],"classification_history":{"b8e63304c42e2f5b":[{"raw_change_id":570075,"classification_code":"MERGER_ACQUISITION","confidence":"CONFIRMED","classifier_version":"1.4.0","classified_at":"2026-10-14T00:19:13+00:00","current":1,"public_explanation":"ARIN's transfer log records a merger, acquisition or reorganization from AAA of Michigan (ARIN) to The Auto Club Group (ARIN) on 2024-02-06 13:30 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 2004-01-23)"}}