{"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":"74.188.0.0/15","resource_type":"ipv4","page":"https://rirtracker.com/ip/74.188.0.0-74.189.255.255/","statistics_now":{"registry":"ARIN","status":"allocated (dated 2006-10-30), allocated (dated 2025-11-03), allocated (dated 2025-12-23), allocated (dated 2025-12-24), allocated (dated 2025-12-30), allocated (dated 2026-01-06), allocated (dated 2026-01-21)"},"current_holder":{"rir":null,"org":null,"how":null},"rdap_snapshots":[],"transfers":[{"id":44511,"date":"2026-06-26T19:47:37Z","type":"MERGER_ACQUISITION","source_rir":"ARIN","recipient_rir":"ARIN","source_org":"Disaster Networks, LLC","recipient_org":"Network Advisors, LLC","range":"74.188.240.0/22","log":"ARIN"},{"id":43291,"date":"2026-03-26T11:35:10Z","type":"RESOURCE_TRANSFER","source_rir":"ARIN","recipient_rir":"APNIC","source_org":"AT&T Enterprises, LLC","recipient_org":"ZOHO Corporation Private Limited","range":"74.188.224.0/20","log":"ARIN"},{"id":131585,"date":"2026-03-26T05:50:22Z","type":"RESOURCE_TRANSFER","source_rir":"ARIN","recipient_rir":"APNIC","source_org":"AEL-360","recipient_org":"ZOHO Corporation Private Limited","range":"74.188.224.0/20","log":"APNIC"},{"id":42643,"date":"2026-01-21T15:20:33Z","type":"RESOURCE_TRANSFER","source_rir":"ARIN","recipient_rir":"ARIN","source_org":"AT&T Enterprises, LLC","recipient_org":"TruVista Communications","range":"74.188.64.0/18","log":"ARIN"},{"id":42519,"date":"2026-01-06T11:53:26Z","type":"RESOURCE_TRANSFER","source_rir":"ARIN","recipient_rir":"ARIN","source_org":"AT&T Enterprises, LLC","recipient_org":"Davis Wright Tremaine LLP","range":"74.188.244.0/22","log":"ARIN"},{"id":42474,"date":"2025-12-30T12:19:32Z","type":"RESOURCE_TRANSFER","source_rir":"ARIN","recipient_rir":"ARIN","source_org":"AT&T Enterprises, LLC","recipient_org":"ALPHA ENTERPRISES LIMITED, INC.","range":"74.188.128.0/18","log":"ARIN"},{"id":42464,"date":"2025-12-24T19:21:43Z","type":"RESOURCE_TRANSFER","source_rir":"ARIN","recipient_rir":"ARIN","source_org":"AT&T Enterprises, LLC","recipient_org":"US Internet Corp","range":"74.188.0.0/18","log":"ARIN"},{"id":42447,"date":"2025-12-23T16:37:50Z","type":"RESOURCE_TRANSFER","source_rir":"ARIN","recipient_rir":"ARIN","source_org":"AT&T Enterprises, LLC","recipient_org":"DOXX.NET CORPORATION","range":"74.188.248.0/21","log":"ARIN"},{"id":42373,"date":"2025-12-23T14:59:20Z","type":"RESOURCE_TRANSFER","source_rir":"ARIN","recipient_rir":"ARIN","source_org":"AT&T Enterprises, LLC","recipient_org":"Federated Broadband","range":"74.188.192.0/19","log":"ARIN"},{"id":41921,"date":"2025-11-03T17:46:49Z","type":"RESOURCE_TRANSFER","source_rir":"ARIN","recipient_rir":"ARIN","source_org":"AT&T Enterprises, LLC","recipient_org":"Disaster Networks, LLC","range":"74.188.240.0/22","log":"ARIN"},{"id":37561,"date":"2024-12-05T15:41:57Z","type":"MERGER_ACQUISITION","source_rir":"ARIN","recipient_rir":"ARIN","source_org":"AT&T Corp.","recipient_org":"AT&T Enterprises, LLC","range":"74.188.0.0/15","log":"ARIN"},{"id":14410,"date":"2018-09-10T16:42:34Z","type":"MERGER_ACQUISITION","source_rir":"ARIN","recipient_rir":"ARIN","source_org":"BellSouth.net Inc.","recipient_org":"AT&T Corp.","range":"74.160.0.0/11","log":"ARIN"}],"events":[{"event_id":"43f2ae26e41575d5","registry":"ARIN","report_date":"2024-12-05","source":"transfers","raw_action":"TRANSFER","raw_line":null,"resource_type":"ipv4","resource":"74.188.0.0/15","start":"74.188.0.0","end":"74.189.255.255","classification":"MERGER_ACQUISITION","classification_label":"Merger/acquisition or reorganization","confidence":"CONFIRMED","source_rir":"ARIN","recipient_rir":"ARIN","source_organization":"AT&T Corp.","recipient_organization":"AT&T Enterprises, LLC","inventory_effect":"No effect on ARIN applicant inventory","inventory_effect_code":"NO_EFFECT","provisional":false,"classifier_version":"1.4.0","classified_at":"2026-10-14T00:19:18+00:00","page":"https://rirtracker.com/ip/74.188.0.0-74.189.255.255/#e-43f2ae26e41575d5","report_page":"https://rirtracker.com/arin/reports/2024-12-05/","evidence_url":"https://rirtracker.com/api/v1/resources/ip/74.188.0.0-74.189.255.255.json","observed":"Merger/acquisition: AT&T Corp. (ARIN) to AT&T Enterprises, LLC (ARIN)","explanation":"ARIN's transfer log records a merger, acquisition or reorganization from AT&T Corp. (ARIN) to AT&T Enterprises, LLC (ARIN) on 2024-12-05 15:41 UTC. The registration changed hands; it is not a new allocation from ARIN. ARIN-Issued and ARIN's statistics don't show this change; only the transfer log records it.","evidence":[{"type":"transfer","url":"https://ftp.arin.net/pub/stats/arin/transfers/transfers_latest.json","retrieved_at":"2026-10-13T13:57:20+00:00","summary":"Transfer log: MERGER_ACQUISITION on 2024-12-05 15:41 UTC, AT&T Corp. (ARIN) to AT&T Enterprises, LLC (ARIN); resources moved: 74.188.0.0/15"},{"type":"delegated_before","url":"https://ftp.arin.net/pub/stats/arin/archive/2024/delegated-arin-extended-20241204.gz","retrieved_at":"2026-10-12T23:51:02+00:00","summary":"ARIN delegated statistics 2024-12-04 (produced 2024-12-04T14:01:07+00:00), before the report: allocated (dated 2006-10-30)"},{"type":"delegated_after","url":"https://ftp.arin.net/pub/stats/arin/archive/2024/delegated-arin-extended-20241206.gz","retrieved_at":"2026-10-12T23:51:07+00:00","summary":"ARIN delegated statistics 2024-12-06 (produced 2024-12-06T14:01:05+00:00), after the report: allocated (dated 2006-10-30)"}]}],"classification_history":{"43f2ae26e41575d5":[{"raw_change_id":572255,"classification_code":"MERGER_ACQUISITION","confidence":"CONFIRMED","classifier_version":"1.4.0","classified_at":"2026-10-14T00:19:18+00:00","current":1,"public_explanation":"ARIN's transfer log records a merger, acquisition or reorganization from AT&T Corp. (ARIN) to AT&T Enterprises, LLC (ARIN) on 2024-12-05 15:41 UTC. The registration changed hands; it is not a new allocation from ARIN. ARIN-Issued and ARIN's statistics don't show this change; only the transfer log records it."}]},"arin_statistics_now":{"status":"allocated (dated 2006-10-30), allocated (dated 2025-11-03), allocated (dated 2025-12-23), allocated (dated 2025-12-24), allocated (dated 2025-12-30), allocated (dated 2026-01-06), allocated (dated 2026-01-21)"}}