{"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":"163.163.0.0/16","resource_type":"ipv4","page":"https://rirtracker.com/ip/163.163.0.0-163.163.255.255/","statistics_now":{"registry":"RIPE NCC","status":"assigned (dated 1992-08-27)"},"current_holder":{"rir":"RIPE NCC","org":"ArcelorMittal Belgium N.V.","handle":"ORG-AB26-RIPE","how":"RDAP, looked up 2026-10-23 18:20 UTC"},"rdap_snapshots":[{"resource_type":"ipv4","start_key":"000000000000000000000000a3a30000","end_key":"000000000000000000000000a3a3ffff","captured_at":"2026-10-23T18:20:14+00:00","reason":"7d","authoritative_rir":"RIPE NCC","handle":"163.163.0.0 - 163.163.255.255","name":"COCKERILL-NET","status":"active","org_handle":"ORG-AB26-RIPE","org_name":"ArcelorMittal Belgium N.V.","country_code":"BE","registration_date":"2003-04-16T12:30:03Z","last_changed_date":"2026-10-21T08:52:52Z","rdap_url":"https://rdap.apnic.net/ip/163.163.0.0"},{"resource_type":"ipv4","start_key":"000000000000000000000000a3a30000","end_key":"000000000000000000000000a3a3ffff","captured_at":"2026-10-17T18:28:12+00:00","reason":"24h","authoritative_rir":"RIPE NCC","handle":"163.163.0.0 - 163.163.255.255","name":"COCKERILL-NET","status":"active","org_handle":"ORG-AB26-RIPE","org_name":"ArcelorMittal Belgium N.V.","country_code":"BE","registration_date":"2003-04-16T12:30:03Z","last_changed_date":"2026-10-16T15:15:41Z","rdap_url":"https://rdap.apnic.net/ip/163.163.0.0"},{"resource_type":"ipv4","start_key":"000000000000000000000000a3a30000","end_key":"000000000000000000000000a3a3ffff","captured_at":"2026-10-16T18:20:10+00:00","reason":"first","authoritative_rir":"RIPE NCC","handle":"163.163.0.0 - 163.163.255.255","name":"COCKERILL-NET","status":"active","org_handle":"ORG-AB26-RIPE","org_name":"ArcelorMittal Belgium N.V.","country_code":"BE","registration_date":"2003-04-16T12:30:03Z","last_changed_date":"2026-10-16T15:15:41Z","rdap_url":"https://rdap.apnic.net/ip/163.163.0.0"}],"transfers":[{"id":134016,"date":"2026-10-16T19:00:00Z","type":"MERGER_ACQUISITION","source_rir":"RIPE NCC","recipient_rir":"RIPE NCC","source_org":"COCKERILL SAMBRE SA","recipient_org":"ArcelorMittal Belgium N.V.","range":"163.163.0.0/16","log":"RIPE NCC"}],"events":[{"event_id":"fe3a6f898eee83a4","registry":"RIPE NCC","report_date":"2026-10-16","source":"transfers","raw_action":"TRANSFER","raw_line":null,"resource_type":"ipv4","resource":"163.163.0.0/16","start":"163.163.0.0","end":"163.163.255.255","classification":"MERGER_ACQUISITION","classification_label":"Merger/acquisition or reorganization","confidence":"CONFIRMED","source_rir":"RIPE NCC","recipient_rir":"RIPE NCC","source_organization":"COCKERILL SAMBRE SA","recipient_organization":"ArcelorMittal Belgium N.V.","inventory_effect":"No effect on RIPE NCC applicant inventory","inventory_effect_code":"NO_EFFECT","provisional":false,"classifier_version":"1.4.0","classified_at":"2026-10-16T18:22:59+00:00","page":"https://rirtracker.com/ip/163.163.0.0-163.163.255.255/#e-fe3a6f898eee83a4","report_page":"https://rirtracker.com/ripe/reports/2026-10-16/","evidence_url":"https://rirtracker.com/api/v1/resources/ip/163.163.0.0-163.163.255.255.json","observed":"Merger/acquisition: COCKERILL SAMBRE SA (RIPE NCC) to ArcelorMittal Belgium N.V. (RIPE NCC)","explanation":"The RIPE NCC's transfer log records a merger, acquisition or reorganization from COCKERILL SAMBRE SA (RIPE NCC) to ArcelorMittal Belgium N.V. (RIPE NCC) on 2026-10-16 19:00 UTC. The registration changed hands; it is not a new allocation from the RIPE NCC.","evidence":[{"type":"transfer","url":"https://ftp.ripe.net/pub/stats/ripencc/transfers/transfers_latest.json","retrieved_at":"2026-10-16T18:17:18+00:00","summary":"Transfer log: MERGER_ACQUISITION on 2026-10-16 19:00 UTC, COCKERILL SAMBRE SA (RIPE NCC) to ArcelorMittal Belgium N.V. (RIPE NCC); resources moved: 163.163.0.0/16"},{"type":"delegated_before","url":"https://ftp.ripe.net/pub/stats/ripencc/2026/delegated-ripencc-extended-20261015.bz2","retrieved_at":"2026-10-16T18:17:22+00:00","summary":"RIPE NCC delegated statistics 2026-10-15 (produced 2026-10-15T21:59:59+00:00), before the change: assigned (dated 1992-08-27)"}]}],"classification_history":{"fe3a6f898eee83a4":[{"raw_change_id":577881,"classification_code":"MERGER_ACQUISITION","confidence":"CONFIRMED","classifier_version":"1.4.0","classified_at":"2026-10-16T18:22:59+00:00","current":1,"public_explanation":"The RIPE NCC's transfer log records a merger, acquisition or reorganization from COCKERILL SAMBRE SA (RIPE NCC) to ArcelorMittal Belgium N.V. (RIPE NCC) on 2026-10-16 19:00 UTC. The registration changed hands; it is not a new allocation from the RIPE NCC."}]},"arin_statistics_now":{"status":"not listed"}}