{"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":"9.249.0.0/16","resource_type":"ipv4","page":"https://rirtracker.com/ip/9.249.0.0-9.249.255.255/","arin_statistics_now":{"file_date":"2026-10-09","status":"not listed"},"current_holder":{"rir":"RIPE NCC","org":"Aviation RE LLC","how":"the latest transfer record"},"rdap_snapshots":[],"transfers":[{"id":43361,"date":"2026-04-01T13:09:34Z","type":"RESOURCE_TRANSFER","source_rir":"ARIN","recipient_rir":"RIPE NCC","source_org":"IBM","recipient_org":"Aviation RE LLC","range":"9.249.0.0/16"}],"events":[{"event_id":"eb98915fb16c61cf","report_date":"2026-04-01","source":"statistics","raw_action":"NOT_IN_ARIN_ISSUED","raw_line":null,"resource_type":"ipv4","resource":"9.249.0.0/16","start":"9.249.0.0","end":"9.249.255.255","classification":"INTER_RIR_TRANSFER_OUT","classification_label":"Inter-RIR transfer out of ARIN","confidence":"CONFIRMED","source_rir":"ARIN","recipient_rir":"RIPE NCC","source_organization":"IBM","recipient_organization":"Aviation RE LLC","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":"2026-10-09T19:28:29+00:00","page":"https://rirtracker.com/ip/9.249.0.0-9.249.255.255/#e-eb98915fb16c61cf","evidence_url":"https://rirtracker.com/api/v1/events/eb98915fb16c61cf.json","explanation":"ARIN's transfer log records a transfer from IBM (ARIN) to Aviation RE LLC (RIPE NCC) on 2026-04-01 13:09 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-20260402","retrieved_at":"2026-10-09T18:59:14+00:00","summary":"Not listed in ARIN-Issued; found by comparing ARIN's daily statistics: 9.249.0.0/16 allocated on 2026-04-01, not listed on 2026-04-02"},{"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 2026-04-01 13:09 UTC, IBM (ARIN) to Aviation RE LLC (RIPE NCC); resources moved: 9.249.0.0/16"},{"type":"delegated_before","url":"https://ftp.arin.net/pub/stats/arin/delegated-arin-extended-20260331","retrieved_at":"2026-10-09T18:59:07+00:00","summary":"ARIN delegated statistics 2026-03-31 (produced 2026-03-31T13:00:39+00:00), before the report: allocated (dated 1988-12-16)"},{"type":"delegated_after","url":"https://ftp.arin.net/pub/stats/arin/delegated-arin-extended-20260402","retrieved_at":"2026-10-09T18:59:14+00:00","summary":"ARIN delegated statistics 2026-04-02 (produced 2026-04-02T13:00:39+00:00), after the report: not listed"}]}],"classification_history":{"eb98915fb16c61cf":[{"raw_change_id":6240,"classification_code":"INTER_RIR_TRANSFER_OUT","confidence":"CONFIRMED","classifier_version":"1.0.0","classified_at":"2026-10-09T19:28:29+00:00","current":1,"public_explanation":"ARIN's transfer log records a transfer from IBM (ARIN) to Aviation RE LLC (RIPE NCC) on 2026-04-01 13:09 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."}]}}