{"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":"66.170.96.0/20","resource_type":"ipv4","page":"https://rirtracker.com/ip/66.170.96.0-66.170.111.255/","statistics_now":{"registry":"ARIN","status":"allocated (dated 2016-05-24)"},"current_holder":{"rir":"ARIN","org":"Avago Technologies U.S. Inc.","how":"ARIN's latest statistics and the latest transfer record"},"rdap_snapshots":[],"transfers":[{"id":42035,"date":"2025-11-14T17:15:51Z","type":"MERGER_ACQUISITION","source_rir":"ARIN","recipient_rir":"ARIN","source_org":"VMWare, Inc.","recipient_org":"Avago Technologies U.S. Inc.","range":"66.170.96.0/20","log":"ARIN"},{"id":7041,"date":"2016-05-24T19:10:18Z","type":"RESOURCE_TRANSFER","source_rir":"ARIN","recipient_rir":"ARIN","source_org":"Bluemont Networks, LLC","recipient_org":"VMWare, Inc.","range":"66.170.96.0/20","log":"ARIN"}],"events":[{"event_id":"dfd42ce9bfd3da13","registry":"ARIN","report_date":"2025-11-14","source":"transfers","raw_action":"TRANSFER","raw_line":null,"resource_type":"ipv4","resource":"66.170.96.0/20","start":"66.170.96.0","end":"66.170.111.255","classification":"MERGER_ACQUISITION","classification_label":"Merger/acquisition or reorganization","confidence":"CONFIRMED","source_rir":"ARIN","recipient_rir":"ARIN","source_organization":"VMWare, Inc.","recipient_organization":"Avago Technologies U.S. Inc.","inventory_effect":"No effect on ARIN applicant inventory","inventory_effect_code":"NO_EFFECT","provisional":false,"classifier_version":"1.4.0","classified_at":"2026-10-14T00:19:24+00:00","page":"https://rirtracker.com/ip/66.170.96.0-66.170.111.255/#e-dfd42ce9bfd3da13","report_page":"https://rirtracker.com/arin/reports/2025-11-14/","evidence_url":"https://rirtracker.com/api/v1/resources/ip/66.170.96.0-66.170.111.255.json","observed":"Merger/acquisition: VMWare, Inc. (ARIN) to Avago Technologies U.S. Inc. (ARIN)","explanation":"ARIN's transfer log records a merger, acquisition or reorganization from VMWare, Inc. (ARIN) to Avago Technologies U.S. Inc. (ARIN) on 2025-11-14 17:15 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 2025-11-14 17:15 UTC, VMWare, Inc. (ARIN) to Avago Technologies U.S. Inc. (ARIN); resources moved: 66.170.96.0/20"},{"type":"delegated_before","url":"https://ftp.arin.net/pub/stats/arin/archive/2025/delegated-arin-extended-20251113.gz","retrieved_at":"2026-10-13T00:10:06+00:00","summary":"ARIN delegated statistics 2025-11-13 (produced 2025-11-13T14:00:46+00:00), before the report: allocated (dated 2016-05-24)"},{"type":"delegated_after","url":"https://ftp.arin.net/pub/stats/arin/archive/2025/delegated-arin-extended-20251115.gz","retrieved_at":"2026-10-13T00:10:21+00:00","summary":"ARIN delegated statistics 2025-11-15 (produced 2025-11-15T14:00:50+00:00), after the report: allocated (dated 2016-05-24)"}]},{"event_id":"d4640742a59f10da","registry":"ARIN","report_date":"2016-05-24","source":"arin_issued","raw_action":"ADD","raw_line":"Add 66.170.96.0-66.170.111.255","resource_type":"ipv4","resource":"66.170.96.0/20","start":"66.170.96.0","end":"66.170.111.255","classification":"INTRA_RIR_TRANSFER","classification_label":"Intra-ARIN transfer","confidence":"CONFIRMED","source_rir":"ARIN","recipient_rir":"ARIN","source_organization":"Bluemont Networks, LLC","recipient_organization":"VMWare, Inc.","inventory_effect":"No effect on ARIN applicant inventory","inventory_effect_code":"NO_EFFECT","provisional":false,"classifier_version":"1.4.0","classified_at":"2026-10-13T23:51:35+00:00","page":"https://rirtracker.com/ip/66.170.96.0-66.170.111.255/#e-d4640742a59f10da","report_page":"https://rirtracker.com/arin/reports/2016-05-24/","evidence_url":"https://rirtracker.com/api/v1/resources/ip/66.170.96.0-66.170.111.255.json","explanation":"ARIN's transfer log records a transfer from Bluemont Networks, LLC (ARIN) to VMWare, Inc. (ARIN) on 2016-05-24 19:10 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/2016-May/002721.html","retrieved_at":"2026-10-12T18:39:13+00:00","summary":"ARIN-Issued report for 2016-05-24: \"Add 66.170.96.0-66.170.111.255\""},{"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: RESOURCE_TRANSFER on 2016-05-24 19:10 UTC, Bluemont Networks, LLC (ARIN) to VMWare, Inc. (ARIN); resources moved: 66.170.96.0/20"},{"type":"delegated_before","url":"https://ftp.arin.net/pub/stats/arin/archive/2016/delegated-arin-extended-20160523.gz","retrieved_at":"2026-10-12T21:10:47+00:00","summary":"ARIN delegated statistics 2016-05-23 (produced 2016-05-23T05:03:48+00:00), before the report: allocated (dated 2001-09-21)"},{"type":"delegated_after","url":"https://ftp.arin.net/pub/stats/arin/archive/2016/delegated-arin-extended-20160525.gz","retrieved_at":"2026-10-12T21:10:52+00:00","summary":"ARIN delegated statistics 2016-05-25 (produced 2016-05-25T05:04:10+00:00), after the report: assigned (dated 2016-05-24)"}]}],"classification_history":{"dfd42ce9bfd3da13":[{"raw_change_id":574860,"classification_code":"MERGER_ACQUISITION","confidence":"CONFIRMED","classifier_version":"1.4.0","classified_at":"2026-10-14T00:19:24+00:00","current":1,"public_explanation":"ARIN's transfer log records a merger, acquisition or reorganization from VMWare, Inc. (ARIN) to Avago Technologies U.S. Inc. (ARIN) on 2025-11-14 17:15 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."}],"d4640742a59f10da":[{"raw_change_id":145215,"classification_code":"INTRA_RIR_TRANSFER","confidence":"CONFIRMED","classifier_version":"1.3.0","classified_at":"2026-10-13T03:35:22+00:00","current":0,"public_explanation":"ARIN's transfer log records a transfer from Bluemont Networks, LLC (ARIN) to VMWare, Inc. (ARIN) on 2016-05-24 19:10 UTC. ARIN-Issued lists it as \"Add\" because the registration changed hands; it is not a new allocation from ARIN."},{"raw_change_id":145215,"classification_code":"INTRA_RIR_TRANSFER","confidence":"CONFIRMED","classifier_version":"1.3.1","classified_at":"2026-10-13T08:05:51+00:00","current":0,"public_explanation":"ARIN's transfer log records a transfer from Bluemont Networks, LLC (ARIN) to VMWare, Inc. (ARIN) on 2016-05-24 19:10 UTC. ARIN-Issued lists it as \"Add\" because the registration changed hands; it is not a new allocation from ARIN."},{"raw_change_id":145215,"classification_code":"INTRA_RIR_TRANSFER","confidence":"CONFIRMED","classifier_version":"1.3.2","classified_at":"2026-10-13T14:48:29+00:00","current":0,"public_explanation":"ARIN's transfer log records a transfer from Bluemont Networks, LLC (ARIN) to VMWare, Inc. (ARIN) on 2016-05-24 19:10 UTC. ARIN-Issued lists it as \"Add\" because the registration changed hands; it is not a new allocation from ARIN."},{"raw_change_id":145215,"classification_code":"INTRA_RIR_TRANSFER","confidence":"CONFIRMED","classifier_version":"1.4.0","classified_at":"2026-10-13T23:51:35+00:00","current":1,"public_explanation":"ARIN's transfer log records a transfer from Bluemont Networks, LLC (ARIN) to VMWare, Inc. (ARIN) on 2016-05-24 19:10 UTC. ARIN-Issued lists it as \"Add\" because the registration changed hands; it is not a new allocation from ARIN."}]},"arin_statistics_now":{"status":"allocated (dated 2016-05-24)"}}