{"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":"AS4452","resource_type":"asn","page":"https://rirtracker.com/asn/4452/","statistics_now":{"registry":"ARIN","status":"assigned (dated 1995-03-01)"},"current_holder":{"rir":"ARIN","org":"ZCorum","how":"ARIN's latest statistics and the latest transfer record"},"rdap_snapshots":[],"transfers":[{"id":4827,"date":"2025-12-22T13:13:30Z","type":"MERGER_ACQUISITION","source_rir":"ARIN","recipient_rir":"ARIN","source_org":"ZCORUM","recipient_org":"ZCorum","range":"AS4452","log":"ARIN"},{"id":2141,"date":"2020-07-10T17:23:36Z","type":"MERGER_ACQUISITION","source_rir":"ARIN","recipient_rir":"ARIN","source_org":"Access America","recipient_org":"ZCORUM","range":"AS4452","log":"ARIN"}],"events":[{"event_id":"dfd62508338e97ae","registry":"ARIN","report_date":"2025-12-22","source":"transfers","raw_action":"TRANSFER","raw_line":null,"resource_type":"asn","resource":"AS4452","start":4452,"end":4452,"classification":"MERGER_ACQUISITION","classification_label":"Merger/acquisition or reorganization","confidence":"CONFIRMED","source_rir":"ARIN","recipient_rir":"ARIN","source_organization":"ZCORUM","recipient_organization":"ZCorum","inventory_effect":"No effect on ARIN applicant inventory","inventory_effect_code":"NO_EFFECT","provisional":false,"classifier_version":"1.4.0","classified_at":"2026-10-14T00:19:25+00:00","page":"https://rirtracker.com/asn/4452/#e-dfd62508338e97ae","report_page":"https://rirtracker.com/arin/reports/2025-12-22/","evidence_url":"https://rirtracker.com/api/v1/resources/asn/4452.json","observed":"Merger/acquisition: ZCORUM (ARIN) to ZCorum (ARIN)","explanation":"ARIN's transfer log records a merger, acquisition or reorganization from ZCORUM (ARIN) to ZCorum (ARIN) on 2025-12-22 13:13 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 2025-12-22 13:13 UTC, ZCORUM (ARIN) to ZCorum (ARIN); resources moved: AS4452"},{"type":"delegated_before","url":"https://ftp.arin.net/pub/stats/arin/archive/2025/delegated-arin-extended-20251221.gz","retrieved_at":"2026-10-13T00:12:08+00:00","summary":"ARIN delegated statistics 2025-12-21 (produced 2025-12-21T14:00:47+00:00), before the report: assigned (dated 1995-03-01)"},{"type":"delegated_after","url":"https://ftp.arin.net/pub/stats/arin/archive/2025/delegated-arin-extended-20251223.gz","retrieved_at":"2026-10-13T00:12:13+00:00","summary":"ARIN delegated statistics 2025-12-23 (produced 2025-12-23T14:00:48+00:00), after the report: assigned (dated 1995-03-01)"}]},{"event_id":"1009e2274865c015","registry":"ARIN","report_date":"2020-07-10","source":"transfers","raw_action":"TRANSFER","raw_line":null,"resource_type":"asn","resource":"AS4452","start":4452,"end":4452,"classification":"MERGER_ACQUISITION","classification_label":"Merger/acquisition or reorganization","confidence":"CONFIRMED","source_rir":"ARIN","recipient_rir":"ARIN","source_organization":"Access America","recipient_organization":"ZCORUM","inventory_effect":"No effect on ARIN applicant inventory","inventory_effect_code":"NO_EFFECT","provisional":false,"classifier_version":"1.4.0","classified_at":"2026-10-14T00:18:50+00:00","page":"https://rirtracker.com/asn/4452/#e-1009e2274865c015","report_page":"https://rirtracker.com/arin/reports/2020-07-10/","evidence_url":"https://rirtracker.com/api/v1/resources/asn/4452.json","observed":"Merger/acquisition: Access America (ARIN) to ZCORUM (ARIN)","explanation":"ARIN's transfer log records a merger, acquisition or reorganization from Access America (ARIN) to ZCORUM (ARIN) on 2020-07-10 17:23 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 2020-07-10 17:23 UTC, Access America (ARIN) to ZCORUM (ARIN); resources moved: AS4452"},{"type":"delegated_before","url":"https://ftp.arin.net/pub/stats/arin/archive/2020/delegated-arin-extended-20200709.gz","retrieved_at":"2026-10-12T22:26:58+00:00","summary":"ARIN delegated statistics 2020-07-09 (produced 2020-07-09T14:00:13+00:00), before the report: assigned (dated 1995-03-01)"},{"type":"delegated_after","url":"https://ftp.arin.net/pub/stats/arin/archive/2020/delegated-arin-extended-20200711.gz","retrieved_at":"2026-10-12T22:27:02+00:00","summary":"ARIN delegated statistics 2020-07-11 (produced 2020-07-11T14:00:14+00:00), after the report: assigned (dated 1995-03-01)"}]}],"classification_history":{"dfd62508338e97ae":[{"raw_change_id":575015,"classification_code":"MERGER_ACQUISITION","confidence":"CONFIRMED","classifier_version":"1.4.0","classified_at":"2026-10-14T00:19:25+00:00","current":1,"public_explanation":"ARIN's transfer log records a merger, acquisition or reorganization from ZCORUM (ARIN) to ZCorum (ARIN) on 2025-12-22 13:13 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."}],"1009e2274865c015":[{"raw_change_id":560667,"classification_code":"MERGER_ACQUISITION","confidence":"CONFIRMED","classifier_version":"1.4.0","classified_at":"2026-10-14T00:18:50+00:00","current":1,"public_explanation":"ARIN's transfer log records a merger, acquisition or reorganization from Access America (ARIN) to ZCORUM (ARIN) on 2020-07-10 17:23 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 1995-03-01)"}}