{"classifier_version":"1.0.0","generated":"2026-10-10T14:39:54+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":"154.15.0.0/16","resource_type":"ipv4","page":"https://rirtracker.com/ip/154.15.0.0-154.15.255.255/","arin_statistics_now":{"file_date":"2026-10-10","status":"allocated (dated 2026-08-03)"},"current_holder":{"rir":"ARIN","org":"GTT Americas, LLC","how":"ARIN's statistics for 2026-10-10 and the latest transfer record"},"rdap_snapshots":[],"transfers":[{"id":44970,"date":"2026-08-03T13:18:47Z","type":"RESOURCE_TRANSFER","source_rir":"RIPE NCC","recipient_rir":"ARIN","source_org":"GTT Communications Inc.","recipient_org":"GTT Americas, LLC","range":"154.15.0.0/16"}],"events":[{"event_id":"95aa5eee8c10c2f6","report_date":"2026-08-03","source":"arin_issued","raw_action":"ADD","raw_line":"Add 154.15.0.0-154.15.255.255","resource_type":"ipv4","resource":"154.15.0.0/16","start":"154.15.0.0","end":"154.15.255.255","classification":"INTER_RIR_TRANSFER_IN","classification_label":"Inter-RIR transfer into ARIN","confidence":"CONFIRMED","source_rir":"RIPE NCC","recipient_rir":"ARIN","source_organization":"GTT Communications Inc.","recipient_organization":"GTT Americas, LLC","inventory_effect":"Transferred into ARIN administration; not a new issuance","inventory_effect_code":"TRANSFER_IN","provisional":false,"classifier_version":"1.0.0","classified_at":"2026-10-09T19:28:23+00:00","page":"https://rirtracker.com/ip/154.15.0.0-154.15.255.255/#e-95aa5eee8c10c2f6","evidence_url":"https://rirtracker.com/api/v1/events/95aa5eee8c10c2f6.json","explanation":"ARIN's transfer log records a transfer from GTT Communications Inc. (RIPE NCC) to GTT Americas, LLC (ARIN) on 2026-08-03 13:18 UTC: it came to ARIN from RIPE NCC. It was already issued by another registry, so this is not a new issuance.","evidence":[{"type":"arin_issued","url":"https://lists.arin.net/pipermail/arin-issued/2026-August/006446.html","retrieved_at":"2026-10-09T18:54:07+00:00","summary":"ARIN-Issued report for 2026-08-03: \"Add 154.15.0.0-154.15.255.255\""},{"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 2026-08-03 13:18 UTC, GTT Communications Inc. (RIPE NCC) to GTT Americas, LLC (ARIN); resources moved: 154.15.0.0/16"},{"type":"delegated_before","url":"https://ftp.arin.net/pub/stats/arin/delegated-arin-extended-20260802","retrieved_at":"2026-10-09T19:05:28+00:00","summary":"ARIN delegated statistics 2026-08-02 (produced 2026-08-02T13:00:20+00:00), before the report: not listed"},{"type":"delegated_after","url":"https://ftp.arin.net/pub/stats/arin/delegated-arin-extended-20260804","retrieved_at":"2026-10-09T19:05:34+00:00","summary":"ARIN delegated statistics 2026-08-04 (produced 2026-08-04T13:00:21+00:00), after the report: allocated (dated 2026-08-03)"}]}],"classification_history":{"95aa5eee8c10c2f6":[{"raw_change_id":4097,"classification_code":"INTER_RIR_TRANSFER_IN","confidence":"CONFIRMED","classifier_version":"1.0.0","classified_at":"2026-10-09T19:28:23+00:00","current":1,"public_explanation":"ARIN's transfer log records a transfer from GTT Communications Inc. (RIPE NCC) to GTT Americas, LLC (ARIN) on 2026-08-03 13:18 UTC: it came to ARIN from RIPE NCC. It was already issued by another registry, so this is not a new issuance."}]}}