{"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":"170.76.150.0/24","resource_type":"ipv4","page":"https://rirtracker.com/ip/170.76.150.0-170.76.150.255/","statistics_now":{"registry":"ARIN","status":"allocated (dated 2017-04-17)"},"current_holder":{"rir":"ARIN","org":"Assured Guaranty Corp","how":"ARIN's latest statistics and the latest transfer record"},"rdap_snapshots":[],"transfers":[{"id":23874,"date":"2021-02-18T21:09:40Z","type":"MERGER_ACQUISITION","source_rir":"ARIN","recipient_rir":"ARIN","source_org":"BlueMountain Capital Management, LLC","recipient_org":"Assured Guaranty Corp","range":"170.76.150.0/24","log":"ARIN"},{"id":9256,"date":"2017-04-17T12:30:23Z","type":"RESOURCE_TRANSFER","source_rir":"ARIN","recipient_rir":"ARIN","source_org":"Ashton Systems Corporation","recipient_org":"BlueMountain Capital Management, LLC","range":"170.76.150.0/24","log":"ARIN"}],"events":[{"event_id":"03b6163bbbe44e4b","registry":"ARIN","report_date":"2021-02-18","source":"transfers","raw_action":"TRANSFER","raw_line":null,"resource_type":"ipv4","resource":"170.76.150.0/24","start":"170.76.150.0","end":"170.76.150.255","classification":"MERGER_ACQUISITION","classification_label":"Merger/acquisition or reorganization","confidence":"CONFIRMED","source_rir":"ARIN","recipient_rir":"ARIN","source_organization":"BlueMountain Capital Management, LLC","recipient_organization":"Assured Guaranty Corp","inventory_effect":"No effect on ARIN applicant inventory","inventory_effect_code":"NO_EFFECT","provisional":false,"classifier_version":"1.4.0","classified_at":"2026-10-14T00:18:55+00:00","page":"https://rirtracker.com/ip/170.76.150.0-170.76.150.255/#e-03b6163bbbe44e4b","report_page":"https://rirtracker.com/arin/reports/2021-02-18/","evidence_url":"https://rirtracker.com/api/v1/resources/ip/170.76.150.0-170.76.150.255.json","observed":"Merger/acquisition: BlueMountain Capital Management, LLC (ARIN) to Assured Guaranty Corp (ARIN)","explanation":"ARIN's transfer log records a merger, acquisition or reorganization from BlueMountain Capital Management, LLC (ARIN) to Assured Guaranty Corp (ARIN) on 2021-02-18 21:09 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 2021-02-18 21:09 UTC, BlueMountain Capital Management, LLC (ARIN) to Assured Guaranty Corp (ARIN); resources moved: 170.76.150.0/24"},{"type":"delegated_before","url":"https://ftp.arin.net/pub/stats/arin/archive/2021/delegated-arin-extended-20210217.gz","retrieved_at":"2026-10-12T22:38:26+00:00","summary":"ARIN delegated statistics 2021-02-17 (produced 2021-02-17T15:00:12+00:00), before the report: assigned (dated 2017-04-17)"},{"type":"delegated_after","url":"https://ftp.arin.net/pub/stats/arin/archive/2021/delegated-arin-extended-20210219.gz","retrieved_at":"2026-10-12T22:38:31+00:00","summary":"ARIN delegated statistics 2021-02-19 (produced 2021-02-19T15:00:13+00:00), after the report: assigned (dated 2017-04-17)"}]},{"event_id":"7df852bc104d4e7a","registry":"ARIN","report_date":"2017-04-17","source":"arin_issued","raw_action":"ADD","raw_line":"Add 170.76.150.0-170.76.150.255","resource_type":"ipv4","resource":"170.76.150.0/24","start":"170.76.150.0","end":"170.76.150.255","classification":"INTRA_RIR_TRANSFER","classification_label":"Intra-ARIN transfer","confidence":"CONFIRMED","source_rir":"ARIN","recipient_rir":"ARIN","source_organization":"Ashton Systems Corporation","recipient_organization":"BlueMountain Capital Management, LLC","inventory_effect":"No effect on ARIN applicant inventory","inventory_effect_code":"NO_EFFECT","provisional":false,"classifier_version":"1.4.0","classified_at":"2026-10-13T23:51:46+00:00","page":"https://rirtracker.com/ip/170.76.150.0-170.76.150.255/#e-7df852bc104d4e7a","report_page":"https://rirtracker.com/arin/reports/2017-04-17/","evidence_url":"https://rirtracker.com/api/v1/resources/ip/170.76.150.0-170.76.150.255.json","piece_of":{"resource":"170.76.0.0/16","page":"https://rirtracker.com/ip/170.76.0.0-170.76.255.255/"},"explanation":"ARIN's transfer log records a transfer from Ashton Systems Corporation (ARIN) to BlueMountain Capital Management, LLC (ARIN) on 2017-04-17 12:30 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/2017-April/003049.html","retrieved_at":"2026-10-12T18:39:36+00:00","summary":"ARIN-Issued report for 2017-04-17: \"Add 170.76.150.0-170.76.150.255\""},{"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 2017-04-17 12:30 UTC, Ashton Systems Corporation (ARIN) to BlueMountain Capital Management, LLC (ARIN); resources moved: 170.76.150.0/24"},{"type":"delegated_before","url":"https://ftp.arin.net/pub/stats/arin/archive/2017/delegated-arin-extended-20170416.gz","retrieved_at":"2026-10-12T21:26:44+00:00","summary":"ARIN delegated statistics 2017-04-16 (produced 2017-04-16T05:11:04+00:00), before the report: assigned (dated 1994-03-03)"},{"type":"delegated_after","url":"https://ftp.arin.net/pub/stats/arin/archive/2017/delegated-arin-extended-20170418.gz","retrieved_at":"2026-10-12T21:26:49+00:00","summary":"ARIN delegated statistics 2017-04-18 (produced 2017-04-18T05:11:18+00:00), after the report: assigned (dated 2017-04-17)"}]}],"classification_history":{"03b6163bbbe44e4b":[{"raw_change_id":562843,"classification_code":"MERGER_ACQUISITION","confidence":"CONFIRMED","classifier_version":"1.4.0","classified_at":"2026-10-14T00:18:55+00:00","current":1,"public_explanation":"ARIN's transfer log records a merger, acquisition or reorganization from BlueMountain Capital Management, LLC (ARIN) to Assured Guaranty Corp (ARIN) on 2021-02-18 21:09 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."}],"7df852bc104d4e7a":[{"raw_change_id":148890,"classification_code":"INTRA_RIR_TRANSFER","confidence":"CONFIRMED","classifier_version":"1.3.0","classified_at":"2026-10-13T03:37:57+00:00","current":0,"public_explanation":"ARIN's transfer log records a transfer from Ashton Systems Corporation (ARIN) to BlueMountain Capital Management, LLC (ARIN) on 2017-04-17 12:30 UTC. ARIN-Issued lists it as \"Add\" because the registration changed hands; it is not a new allocation from ARIN."},{"raw_change_id":148890,"classification_code":"INTRA_RIR_TRANSFER","confidence":"CONFIRMED","classifier_version":"1.3.1","classified_at":"2026-10-13T08:06:00+00:00","current":0,"public_explanation":"ARIN's transfer log records a transfer from Ashton Systems Corporation (ARIN) to BlueMountain Capital Management, LLC (ARIN) on 2017-04-17 12:30 UTC. ARIN-Issued lists it as \"Add\" because the registration changed hands; it is not a new allocation from ARIN."},{"raw_change_id":148890,"classification_code":"INTRA_RIR_TRANSFER","confidence":"CONFIRMED","classifier_version":"1.3.2","classified_at":"2026-10-13T14:48:39+00:00","current":0,"public_explanation":"ARIN's transfer log records a transfer from Ashton Systems Corporation (ARIN) to BlueMountain Capital Management, LLC (ARIN) on 2017-04-17 12:30 UTC. ARIN-Issued lists it as \"Add\" because the registration changed hands; it is not a new allocation from ARIN."},{"raw_change_id":148890,"classification_code":"INTRA_RIR_TRANSFER","confidence":"CONFIRMED","classifier_version":"1.4.0","classified_at":"2026-10-13T23:51:46+00:00","current":1,"public_explanation":"ARIN's transfer log records a transfer from Ashton Systems Corporation (ARIN) to BlueMountain Capital Management, LLC (ARIN) on 2017-04-17 12:30 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 2017-04-17)"}}