{"classifier_version":"1.0.0","generated":"2026-10-09T21:19:22+00:00","documentation":"https://rirtracker.com/api/","disclaimer":"This site independently analyzes publicly available Internet number-resource records. It is not affiliated with or endorsed by the American Registry for Internet Numbers (ARIN), the Number Resource Organization (NRO), or any 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":"206.203.0.0/18","resource_type":"ipv4","page":"https://rirtracker.com/ip/206.203.0.0-206.203.63.255/","arin_statistics_now":{"file_date":"2026-10-09","status":"not listed"},"current_holder":{"rir":"RIPE NCC","org":"Valor Information Technologies, S.L.","how":"the latest transfer record"},"rdap_snapshots":[],"transfers":[{"id":42641,"date":"2026-01-21T15:18:45Z","type":"RESOURCE_TRANSFER","source_rir":"ARIN","recipient_rir":"RIPE NCC","source_org":"SirsiDynix","recipient_org":"Valor Information Technologies, S.L.","range":"206.203.0.0/18"},{"id":33533,"date":"2023-11-08T14:00:12Z","type":"MERGER_ACQUISITION","source_rir":"ARIN","recipient_rir":"ARIN","source_org":"Data Research Associates, Inc.","recipient_org":"SirsiDynix","range":"206.203.0.0/18"}],"events":[{"event_id":"5c7ef55a04c43ff8","report_date":"2026-01-21","source":"statistics","raw_action":"NOT_IN_ARIN_ISSUED","raw_line":null,"resource_type":"ipv4","resource":"206.203.0.0/18","start":"206.203.0.0","end":"206.203.63.255","classification":"INTER_RIR_TRANSFER_OUT","classification_label":"Inter-RIR transfer out of ARIN","confidence":"CONFIRMED","source_rir":"ARIN","recipient_rir":"RIPE NCC","source_organization":"SirsiDynix","recipient_organization":"Valor Information Technologies, S.L.","inventory_effect":"Transferred out of ARIN administration; not offered to ARIN applicants","inventory_effect_code":"TRANSFER_OUT","provisional":false,"classifier_version":"1.0.0","classified_at":"2026-10-09T19:28:28+00:00","page":"https://rirtracker.com/ip/206.203.0.0-206.203.63.255/#e-5c7ef55a04c43ff8","evidence_url":"https://rirtracker.com/api/v1/events/5c7ef55a04c43ff8.json","explanation":"ARIN's transfer log records a transfer from SirsiDynix (ARIN) to Valor Information Technologies, S.L. (RIPE NCC) on 2026-01-21 15:18 UTC: it left ARIN for RIPE NCC. ARIN-Issued didn't list this change; it is not a new allocation and is not offered to ARIN applicants.","evidence":[{"type":"statistics_diff","url":"https://ftp.arin.net/pub/stats/arin/delegated-arin-extended-20260122","retrieved_at":"2026-10-09T18:55:21+00:00","summary":"Not listed in ARIN-Issued; found by comparing ARIN's daily statistics: 206.203.0.0/18 allocated on 2026-01-21, not listed on 2026-01-22"},{"type":"transfer","url":"https://ftp.arin.net/pub/stats/arin/transfers/transfers_latest.json","retrieved_at":"2026-10-09T18:54:15+00:00","summary":"Transfer log: RESOURCE_TRANSFER on 2026-01-21 15:18 UTC, SirsiDynix (ARIN) to Valor Information Technologies, S.L. (RIPE NCC); resources moved: 206.203.0.0/18"},{"type":"delegated_before","url":"https://ftp.arin.net/pub/stats/arin/delegated-arin-extended-20260120","retrieved_at":"2026-10-09T18:55:14+00:00","summary":"ARIN delegated statistics 2026-01-20 (produced 2026-01-20T14:00:48+00:00), before the report: allocated (dated 1995-07-19)"},{"type":"delegated_after","url":"https://ftp.arin.net/pub/stats/arin/delegated-arin-extended-20260122","retrieved_at":"2026-10-09T18:55:21+00:00","summary":"ARIN delegated statistics 2026-01-22 (produced 2026-01-22T14:00:46+00:00), after the report: not listed"}]}],"classification_history":{"5c7ef55a04c43ff8":[{"raw_change_id":5875,"classification_code":"INTER_RIR_TRANSFER_OUT","confidence":"CONFIRMED","classifier_version":"1.0.0","classified_at":"2026-10-09T19:28:28+00:00","current":1,"public_explanation":"ARIN's transfer log records a transfer from SirsiDynix (ARIN) to Valor Information Technologies, S.L. (RIPE NCC) on 2026-01-21 15:18 UTC: it left ARIN for RIPE NCC. ARIN-Issued didn't list this change; it is not a new allocation and is not offered to ARIN applicants."}]}}