{"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":"74.209.161.0/24","resource_type":"ipv4","page":"https://rirtracker.com/ip/74.209.161.0-74.209.161.255/","arin_statistics_now":{"file_date":"2026-10-09","status":"allocated (dated 2026-03-04)"},"current_holder":{"rir":"ARIN","org":"A10 Networks Inc.","how":"ARIN's statistics for 2026-10-09 and the latest transfer record"},"rdap_snapshots":[],"transfers":[{"id":43073,"date":"2026-03-04T19:20:41Z","type":"RESOURCE_TRANSFER","source_rir":"ARIN","recipient_rir":"ARIN","source_org":"Digital Fortress","recipient_org":"A10 Networks Inc.","range":"74.209.161.0/24"},{"id":21328,"date":"2020-08-18T11:56:50Z","type":"MERGER_ACQUISITION","source_rir":"ARIN","recipient_rir":"ARIN","source_org":"ByteGrid Holdings LLC","recipient_org":"Digital Fortress","range":"74.209.160.0/23"},{"id":18282,"date":"2019-06-21T12:27:32Z","type":"MERGER_ACQUISITION","source_rir":"ARIN","recipient_rir":"ARIN","source_org":"NetRiver INT LLC","recipient_org":"ByteGrid Holdings LLC","range":"74.209.160.0/19"}],"events":[{"event_id":"d068707586af4b26","report_date":"2026-03-04","source":"arin_issued","raw_action":"ADD","raw_line":"Add 74.209.161.0-74.209.161.255","resource_type":"ipv4","resource":"74.209.161.0/24","start":"74.209.161.0","end":"74.209.161.255","classification":"INTRA_RIR_TRANSFER","classification_label":"Intra-ARIN transfer","confidence":"CONFIRMED","source_rir":"ARIN","recipient_rir":"ARIN","source_organization":"Digital Fortress","recipient_organization":"A10 Networks Inc.","inventory_effect":"No effect on ARIN applicant inventory","inventory_effect_code":"NO_EFFECT","provisional":false,"classifier_version":"1.0.0","classified_at":"2026-10-09T19:28:18+00:00","page":"https://rirtracker.com/ip/74.209.161.0-74.209.161.255/#e-d068707586af4b26","evidence_url":"https://rirtracker.com/api/v1/events/d068707586af4b26.json","piece_of":{"resource":"74.209.160.0/23","page":"https://rirtracker.com/ip/74.209.160.0-74.209.161.255/"},"explanation":"ARIN's transfer log records a transfer from Digital Fortress (ARIN) to A10 Networks Inc. (ARIN) on 2026-03-04 19:20 UTC. ARIN-Issued lists it as \"Add\" because the registration changed hands; it is not a new allocation from ARIN.","evidence":[{"type":"arin_issued","url":"https://lists.arin.net/pipermail/arin-issued/2026-March/006290.html","retrieved_at":"2026-10-09T18:53:56+00:00","summary":"ARIN-Issued report for 2026-03-04: \"Add 74.209.161.0-74.209.161.255\""},{"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 2026-03-04 19:20 UTC, Digital Fortress (ARIN) to A10 Networks Inc. (ARIN); resources moved: 74.209.161.0/24"},{"type":"delegated_before","url":"https://ftp.arin.net/pub/stats/arin/delegated-arin-extended-20260303","retrieved_at":"2026-10-09T18:57:32+00:00","summary":"ARIN delegated statistics 2026-03-03 (produced 2026-03-03T14:00:51+00:00), before the report: allocated (dated 2009-05-19)"},{"type":"delegated_after","url":"https://ftp.arin.net/pub/stats/arin/delegated-arin-extended-20260305","retrieved_at":"2026-10-09T18:57:39+00:00","summary":"ARIN delegated statistics 2026-03-05 (produced 2026-03-05T14:00:50+00:00), after the report: allocated (dated 2026-03-04)"}]}],"classification_history":{"d068707586af4b26":[{"raw_change_id":1001,"classification_code":"INTRA_RIR_TRANSFER","confidence":"CONFIRMED","classifier_version":"1.0.0","classified_at":"2026-10-09T19:28:18+00:00","current":1,"public_explanation":"ARIN's transfer log records a transfer from Digital Fortress (ARIN) to A10 Networks Inc. (ARIN) on 2026-03-04 19:20 UTC. ARIN-Issued lists it as \"Add\" because the registration changed hands; it is not a new allocation from ARIN."}]}}