{"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":"AS19479","resource_type":"asn","page":"https://rirtracker.com/asn/19479/","statistics_now":{"registry":"ARIN","status":"assigned (dated 2001-01-11)"},"current_holder":{"rir":"ARIN","org":"CyrusOne LLC","how":"ARIN's latest statistics and the latest transfer record"},"rdap_snapshots":[],"transfers":[{"id":208,"date":"2016-05-05T19:16:05Z","type":"MERGER_ACQUISITION","source_rir":"ARIN","recipient_rir":"ARIN","source_org":"CERVALIS LLC","recipient_org":"CyrusOne LLC","range":"AS19479","log":"ARIN"}],"events":[{"event_id":"62dbf9d25efeb684","registry":"ARIN","report_date":"2016-05-05","source":"transfers","raw_action":"TRANSFER","raw_line":null,"resource_type":"asn","resource":"AS19479","start":19479,"end":19479,"classification":"MERGER_ACQUISITION","classification_label":"Merger/acquisition or reorganization","confidence":"CONFIRMED","source_rir":"ARIN","recipient_rir":"ARIN","source_organization":"CERVALIS LLC","recipient_organization":"CyrusOne LLC","inventory_effect":"No effect on ARIN applicant inventory","inventory_effect_code":"NO_EFFECT","provisional":false,"classifier_version":"1.4.0","classified_at":"2026-10-14T00:18:25+00:00","page":"https://rirtracker.com/asn/19479/#e-62dbf9d25efeb684","report_page":"https://rirtracker.com/arin/reports/2016-05-05/","evidence_url":"https://rirtracker.com/api/v1/resources/asn/19479.json","observed":"Merger/acquisition: CERVALIS LLC (ARIN) to CyrusOne LLC (ARIN)","explanation":"ARIN's transfer log records a merger, acquisition or reorganization from CERVALIS LLC (ARIN) to CyrusOne LLC (ARIN) on 2016-05-05 19:16 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 2016-05-05 19:16 UTC, CERVALIS LLC (ARIN) to CyrusOne LLC (ARIN); resources moved: AS19479"},{"type":"delegated_before","url":"https://ftp.arin.net/pub/stats/arin/archive/2016/delegated-arin-extended-20160504.gz","retrieved_at":"2026-10-12T21:09:54+00:00","summary":"ARIN delegated statistics 2016-05-04 (produced 2016-05-04T05:05:04+00:00), before the report: assigned (dated 2001-01-11)"},{"type":"delegated_after","url":"https://ftp.arin.net/pub/stats/arin/archive/2016/delegated-arin-extended-20160506.gz","retrieved_at":"2026-10-12T21:09:58+00:00","summary":"ARIN delegated statistics 2016-05-06 (produced 2016-05-06T05:04:55+00:00), after the report: assigned (dated 2001-01-11)"}]}],"classification_history":{"62dbf9d25efeb684":[{"raw_change_id":550122,"classification_code":"MERGER_ACQUISITION","confidence":"CONFIRMED","classifier_version":"1.4.0","classified_at":"2026-10-14T00:18:25+00:00","current":1,"public_explanation":"ARIN's transfer log records a merger, acquisition or reorganization from CERVALIS LLC (ARIN) to CyrusOne LLC (ARIN) on 2016-05-05 19:16 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 2001-01-11)"}}