{"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":"AS394792","resource_type":"asn","page":"https://rirtracker.com/asn/394792/","statistics_now":{"registry":"ARIN","status":"assigned (dated 2016-01-04)"},"current_holder":{"rir":"ARIN","org":"RAYUS Radiology","how":"ARIN's latest statistics and the latest transfer record"},"rdap_snapshots":[],"transfers":[{"id":3649,"date":"2023-11-27T19:45:15Z","type":"MERGER_ACQUISITION","source_rir":"ARIN","recipient_rir":"ARIN","source_org":"Center for Diagnostic Imaging","recipient_org":"RAYUS Radiology","range":"AS394792","log":"ARIN"}],"events":[{"event_id":"6eac84d38dc42219","registry":"ARIN","report_date":"2023-11-27","source":"transfers","raw_action":"TRANSFER","raw_line":null,"resource_type":"asn","resource":"AS394792","start":394792,"end":394792,"classification":"MERGER_ACQUISITION","classification_label":"Merger/acquisition or reorganization","confidence":"CONFIRMED","source_rir":"ARIN","recipient_rir":"ARIN","source_organization":"Center for Diagnostic Imaging","recipient_organization":"RAYUS Radiology","inventory_effect":"No effect on ARIN applicant inventory","inventory_effect_code":"NO_EFFECT","provisional":false,"classifier_version":"1.4.0","classified_at":"2026-10-14T00:19:11+00:00","page":"https://rirtracker.com/asn/394792/#e-6eac84d38dc42219","report_page":"https://rirtracker.com/arin/reports/2023-11-27/","evidence_url":"https://rirtracker.com/api/v1/resources/asn/394792.json","observed":"Merger/acquisition: Center for Diagnostic Imaging (ARIN) to RAYUS Radiology (ARIN)","explanation":"ARIN's transfer log records a merger, acquisition or reorganization from Center for Diagnostic Imaging (ARIN) to RAYUS Radiology (ARIN) on 2023-11-27 19:45 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 2023-11-27 19:45 UTC, Center for Diagnostic Imaging (ARIN) to RAYUS Radiology (ARIN); resources moved: AS394792"},{"type":"delegated_before","url":"https://ftp.arin.net/pub/stats/arin/archive/2023/delegated-arin-extended-20231126.gz","retrieved_at":"2026-10-12T23:30:57+00:00","summary":"ARIN delegated statistics 2023-11-26 (produced 2023-11-26T14:00:33+00:00), before the report: assigned (dated 2016-01-04)"},{"type":"delegated_after","url":"https://ftp.arin.net/pub/stats/arin/archive/2023/delegated-arin-extended-20231128.gz","retrieved_at":"2026-10-12T23:31:02+00:00","summary":"ARIN delegated statistics 2023-11-28 (produced 2023-11-28T14:00:34+00:00), after the report: assigned (dated 2016-01-04)"}]},{"event_id":"4943da3fbd04c2d0","registry":"ARIN","report_date":"2016-01-04","source":"arin_issued","raw_action":"ADD","raw_line":"Add AS394792","resource_type":"asn","resource":"AS394792","start":394792,"end":394792,"classification":"APPARENT_NEW_ISSUANCE","classification_label":"Apparent new issuance","confidence":"STRONG_INFERENCE","source_rir":null,"recipient_rir":null,"source_organization":null,"recipient_organization":null,"inventory_effect":"Likely issued from ARIN-controlled inventory","inventory_effect_code":"ISSUED","provisional":false,"classifier_version":"1.4.0","classified_at":"2026-10-13T23:51:31+00:00","page":"https://rirtracker.com/asn/394792/#e-4943da3fbd04c2d0","report_page":"https://rirtracker.com/arin/reports/2016-01-04/","evidence_url":"https://rirtracker.com/api/v1/resources/asn/394792.json","explanation":"No transfer record matches. ARIN's statistics show it available on 2016-01-03 and assigned (dated 2016-01-04) on 2016-01-05. It moved from ARIN's unissued pool to an active registration dated around the report, so it appears to be newly issued by ARIN.","evidence":[{"type":"arin_issued","url":"https://lists.arin.net/pipermail/arin-issued/2016-January/002580.html","retrieved_at":"2026-10-12T18:39:04+00:00","summary":"ARIN-Issued report for 2016-01-04: \"Add AS394792\""},{"type":"delegated_before","url":"https://ftp.arin.net/pub/stats/arin/archive/2016/delegated-arin-extended-20160103.gz","retrieved_at":"2026-10-12T21:04:00+00:00","summary":"ARIN delegated statistics 2016-01-03 (produced 2016-01-03T06:05:02+00:00), before the report: available"},{"type":"delegated_after","url":"https://ftp.arin.net/pub/stats/arin/archive/2016/delegated-arin-extended-20160105.gz","retrieved_at":"2026-10-12T21:04:05+00:00","summary":"ARIN delegated statistics 2016-01-05 (produced 2016-01-05T06:05:31+00:00), after the report: assigned (dated 2016-01-04)"}]}],"classification_history":{"6eac84d38dc42219":[{"raw_change_id":569623,"classification_code":"MERGER_ACQUISITION","confidence":"CONFIRMED","classifier_version":"1.4.0","classified_at":"2026-10-14T00:19:11+00:00","current":1,"public_explanation":"ARIN's transfer log records a merger, acquisition or reorganization from Center for Diagnostic Imaging (ARIN) to RAYUS Radiology (ARIN) on 2023-11-27 19:45 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."}],"4943da3fbd04c2d0":[{"raw_change_id":140572,"classification_code":"APPARENT_NEW_ISSUANCE","confidence":"STRONG_INFERENCE","classifier_version":"1.3.0","classified_at":"2026-10-13T03:34:38+00:00","current":0,"public_explanation":"No transfer record matches. ARIN's statistics show it available on 2016-01-03 and assigned (dated 2016-01-04) on 2016-01-05. It moved from ARIN's unissued pool to an active registration dated around the report, so it appears to be newly issued by ARIN."},{"raw_change_id":140572,"classification_code":"APPARENT_NEW_ISSUANCE","confidence":"STRONG_INFERENCE","classifier_version":"1.3.1","classified_at":"2026-10-13T08:05:48+00:00","current":0,"public_explanation":"No transfer record matches. ARIN's statistics show it available on 2016-01-03 and assigned (dated 2016-01-04) on 2016-01-05. It moved from ARIN's unissued pool to an active registration dated around the report, so it appears to be newly issued by ARIN."},{"raw_change_id":140572,"classification_code":"APPARENT_NEW_ISSUANCE","confidence":"STRONG_INFERENCE","classifier_version":"1.3.2","classified_at":"2026-10-13T14:48:26+00:00","current":0,"public_explanation":"No transfer record matches. ARIN's statistics show it available on 2016-01-03 and assigned (dated 2016-01-04) on 2016-01-05. It moved from ARIN's unissued pool to an active registration dated around the report, so it appears to be newly issued by ARIN."},{"raw_change_id":140572,"classification_code":"APPARENT_NEW_ISSUANCE","confidence":"STRONG_INFERENCE","classifier_version":"1.4.0","classified_at":"2026-10-13T23:51:31+00:00","current":1,"public_explanation":"No transfer record matches. ARIN's statistics show it available on 2016-01-03 and assigned (dated 2016-01-04) on 2016-01-05. It moved from ARIN's unissued pool to an active registration dated around the report, so it appears to be newly issued by ARIN."}]},"arin_statistics_now":{"status":"assigned (dated 2016-01-04)"}}