{"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":"64.190.137.0/24","resource_type":"ipv4","page":"https://rirtracker.com/ip/64.190.137.0-64.190.137.255/","statistics_now":{"registry":"ARIN","status":"allocated (dated 2025-01-31)"},"current_holder":{"rir":"ARIN","org":"Buckman Laboratories International, Inc.","how":"ARIN's latest statistics and the latest transfer record"},"rdap_snapshots":[],"transfers":[{"id":38731,"date":"2025-01-31T19:03:16Z","type":"RESOURCE_TRANSFER","source_rir":"ARIN","recipient_rir":"ARIN","source_org":"Fusion, LLC","recipient_org":"Buckman Laboratories International, Inc.","range":"64.190.137.0/24","log":"ARIN"},{"id":7305,"date":"2016-07-06T16:42:11Z","type":"MERGER_ACQUISITION","source_rir":"ARIN","recipient_rir":"ARIN","source_org":"Broadvox, LLC","recipient_org":"Network Billing Systems, LLC","range":"64.190.137.0/24","log":"ARIN"}],"events":[{"event_id":"2717240e11a4c10f","registry":"ARIN","report_date":"2025-01-31","source":"arin_issued","raw_action":"ADD","raw_line":"Add 64.190.137.0-64.190.137.255","resource_type":"ipv4","resource":"64.190.137.0/24","start":"64.190.137.0","end":"64.190.137.255","classification":"INTRA_RIR_TRANSFER","classification_label":"Intra-ARIN transfer","confidence":"CONFIRMED","source_rir":"ARIN","recipient_rir":"ARIN","source_organization":"Fusion, LLC","recipient_organization":"Buckman Laboratories International, Inc.","inventory_effect":"No effect on ARIN applicant inventory","inventory_effect_code":"NO_EFFECT","provisional":false,"classifier_version":"1.4.0","classified_at":"2026-10-13T23:54:21+00:00","page":"https://rirtracker.com/ip/64.190.137.0-64.190.137.255/#e-2717240e11a4c10f","report_page":"https://rirtracker.com/arin/reports/2025-01-31/","evidence_url":"https://rirtracker.com/api/v1/resources/ip/64.190.137.0-64.190.137.255.json","explanation":"ARIN's transfer log records a transfer from Fusion, LLC (ARIN) to Buckman Laboratories International, Inc. (ARIN) on 2025-01-31 19:03 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/2025-January/005893.html","retrieved_at":"2026-10-12T18:42:52+00:00","summary":"ARIN-Issued report for 2025-01-31: \"Add 64.190.137.0-64.190.137.255\""},{"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 2025-01-31 19:03 UTC, Fusion, LLC (ARIN) to Buckman Laboratories International, Inc. (ARIN); resources moved: 64.190.137.0/24"},{"type":"delegated_before","url":"https://ftp.arin.net/pub/stats/arin/archive/2025/delegated-arin-extended-20250130.gz","retrieved_at":"2026-10-12T23:53:59+00:00","summary":"ARIN delegated statistics 2025-01-30 (produced 2025-01-30T14:01:06+00:00), before the report: allocated (dated 2002-05-31)"},{"type":"delegated_after","url":"https://ftp.arin.net/pub/stats/arin/archive/2025/delegated-arin-extended-20250201.gz","retrieved_at":"2026-10-12T23:54:04+00:00","summary":"ARIN delegated statistics 2025-02-01 (produced 2025-02-01T14:01:07+00:00), after the report: allocated (dated 2025-01-31)"}]},{"event_id":"230cd2e007fbc946","registry":"ARIN","report_date":"2016-07-06","source":"transfers","raw_action":"TRANSFER","raw_line":null,"resource_type":"ipv4","resource":"64.190.137.0/24","start":"64.190.137.0","end":"64.190.137.255","classification":"MERGER_ACQUISITION","classification_label":"Merger/acquisition or reorganization","confidence":"CONFIRMED","source_rir":"ARIN","recipient_rir":"ARIN","source_organization":"Broadvox, LLC","recipient_organization":"Network Billing Systems, LLC","inventory_effect":"No effect on ARIN applicant inventory","inventory_effect_code":"NO_EFFECT","provisional":false,"classifier_version":"1.4.0","classified_at":"2026-10-14T00:18:25+00:00","page":"https://rirtracker.com/ip/64.190.137.0-64.190.137.255/#e-230cd2e007fbc946","report_page":"https://rirtracker.com/arin/reports/2016-07-06/","evidence_url":"https://rirtracker.com/api/v1/resources/ip/64.190.137.0-64.190.137.255.json","observed":"Merger/acquisition: Broadvox, LLC (ARIN) to Network Billing Systems, LLC (ARIN)","piece_of":{"resource":"64.190.136.0/23","page":"https://rirtracker.com/ip/64.190.136.0-64.190.137.255/"},"explanation":"ARIN's transfer log records a merger, acquisition or reorganization from Broadvox, LLC (ARIN) to Network Billing Systems, LLC (ARIN) on 2016-07-06 16:42 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 2016-07-06 16:42 UTC, Broadvox, LLC (ARIN) to Network Billing Systems, LLC (ARIN); resources moved: 64.190.137.0/24"},{"type":"delegated_before","url":"https://ftp.arin.net/pub/stats/arin/archive/2016/delegated-arin-extended-20160705.gz","retrieved_at":"2026-10-12T21:12:49+00:00","summary":"ARIN delegated statistics 2016-07-05 (produced 2016-07-05T05:04:02+00:00), before the report: allocated (dated 2002-05-31)"},{"type":"delegated_after","url":"https://ftp.arin.net/pub/stats/arin/archive/2016/delegated-arin-extended-20160707.gz","retrieved_at":"2026-10-12T21:12:54+00:00","summary":"ARIN delegated statistics 2016-07-07 (produced 2016-07-07T05:04:11+00:00), after the report: allocated (dated 2002-05-31)"}]}],"classification_history":{"2717240e11a4c10f":[{"raw_change_id":192163,"classification_code":"INTRA_RIR_TRANSFER","confidence":"CONFIRMED","classifier_version":"1.3.0","classified_at":"2026-10-13T04:05:12+00:00","current":0,"public_explanation":"ARIN's transfer log records a transfer from Fusion, LLC (ARIN) to Buckman Laboratories International, Inc. (ARIN) on 2025-01-31 19:03 UTC. ARIN-Issued lists it as \"Add\" because the registration changed hands; it is not a new allocation from ARIN."},{"raw_change_id":192163,"classification_code":"INTRA_RIR_TRANSFER","confidence":"CONFIRMED","classifier_version":"1.3.1","classified_at":"2026-10-13T08:07:56+00:00","current":0,"public_explanation":"ARIN's transfer log records a transfer from Fusion, LLC (ARIN) to Buckman Laboratories International, Inc. (ARIN) on 2025-01-31 19:03 UTC. ARIN-Issued lists it as \"Add\" because the registration changed hands; it is not a new allocation from ARIN."},{"raw_change_id":192163,"classification_code":"INTRA_RIR_TRANSFER","confidence":"CONFIRMED","classifier_version":"1.3.2","classified_at":"2026-10-13T14:50:49+00:00","current":0,"public_explanation":"ARIN's transfer log records a transfer from Fusion, LLC (ARIN) to Buckman Laboratories International, Inc. (ARIN) on 2025-01-31 19:03 UTC. ARIN-Issued lists it as \"Add\" because the registration changed hands; it is not a new allocation from ARIN."},{"raw_change_id":192163,"classification_code":"INTRA_RIR_TRANSFER","confidence":"CONFIRMED","classifier_version":"1.4.0","classified_at":"2026-10-13T23:54:21+00:00","current":1,"public_explanation":"ARIN's transfer log records a transfer from Fusion, LLC (ARIN) to Buckman Laboratories International, Inc. (ARIN) on 2025-01-31 19:03 UTC. ARIN-Issued lists it as \"Add\" because the registration changed hands; it is not a new allocation from ARIN."}],"230cd2e007fbc946":[{"raw_change_id":550426,"classification_code":"MERGER_ACQUISITION","confidence":"CONFIRMED","classifier_version":"1.4.0","classified_at":"2026-10-14T00:18:25+00:00","current":1,"public_explanation":"ARIN's transfer log records a merger, acquisition or reorganization from Broadvox, LLC (ARIN) to Network Billing Systems, LLC (ARIN) on 2016-07-06 16:42 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 2025-01-31)"}}