{"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":"142.148.128.0/17","resource_type":"ipv4","page":"https://rirtracker.com/ip/142.148.128.0-142.148.255.255/","statistics_now":{"registry":"ARIN","status":"allocated (dated 1992-06-19)"},"current_holder":{"rir":"ARIN","org":"Invesco Group Services, Inc.","how":"ARIN's latest statistics and the latest transfer record"},"rdap_snapshots":[],"transfers":[{"id":18941,"date":"2019-10-02T14:25:30Z","type":"MERGER_ACQUISITION","source_rir":"ARIN","recipient_rir":"ARIN","source_org":"Invesco Management Group, Inc.","recipient_org":"Invesco Group Services, Inc.","range":"142.148.128.0/17","log":"ARIN"},{"id":10876,"date":"2017-09-06T18:57:39Z","type":"MERGER_ACQUISITION","source_rir":"ARIN","recipient_rir":"ARIN","source_org":"INVESCO TRIMARK LTD.","recipient_org":"Invesco Management Group, Inc.","range":"142.148.128.0/17","log":"ARIN"}],"events":[{"event_id":"933bb13f1dda7f84","registry":"ARIN","report_date":"2019-10-02","source":"transfers","raw_action":"TRANSFER","raw_line":null,"resource_type":"ipv4","resource":"142.148.128.0/17","start":"142.148.128.0","end":"142.148.255.255","classification":"MERGER_ACQUISITION","classification_label":"Merger/acquisition or reorganization","confidence":"CONFIRMED","source_rir":"ARIN","recipient_rir":"ARIN","source_organization":"Invesco Management Group, Inc.","recipient_organization":"Invesco Group Services, Inc.","inventory_effect":"No effect on ARIN applicant inventory","inventory_effect_code":"NO_EFFECT","provisional":false,"classifier_version":"1.4.0","classified_at":"2026-10-14T00:18:47+00:00","page":"https://rirtracker.com/ip/142.148.128.0-142.148.255.255/#e-933bb13f1dda7f84","report_page":"https://rirtracker.com/arin/reports/2019-10-02/","evidence_url":"https://rirtracker.com/api/v1/resources/ip/142.148.128.0-142.148.255.255.json","observed":"Merger/acquisition: Invesco Management Group, Inc. (ARIN) to Invesco Group Services, Inc. (ARIN)","explanation":"ARIN's transfer log records a merger, acquisition or reorganization from Invesco Management Group, Inc. (ARIN) to Invesco Group Services, Inc. (ARIN) on 2019-10-02 14:25 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 2019-10-02 14:25 UTC, Invesco Management Group, Inc. (ARIN) to Invesco Group Services, Inc. (ARIN); resources moved: 142.148.128.0/17"},{"type":"delegated_before","url":"https://ftp.arin.net/pub/stats/arin/archive/2019/delegated-arin-extended-20191001.gz","retrieved_at":"2026-10-12T22:12:04+00:00","summary":"ARIN delegated statistics 2019-10-01 (produced 2019-10-01T14:00:17+00:00), before the report: assigned (dated 1992-06-19)"},{"type":"delegated_after","url":"https://ftp.arin.net/pub/stats/arin/archive/2019/delegated-arin-extended-20191003.gz","retrieved_at":"2026-10-12T22:12:09+00:00","summary":"ARIN delegated statistics 2019-10-03 (produced 2019-10-03T14:00:17+00:00), after the report: assigned (dated 1992-06-19)"}]},{"event_id":"1ff097abc00b811e","registry":"ARIN","report_date":"2017-09-06","source":"transfers","raw_action":"TRANSFER","raw_line":null,"resource_type":"ipv4","resource":"142.148.128.0/17","start":"142.148.128.0","end":"142.148.255.255","classification":"MERGER_ACQUISITION","classification_label":"Merger/acquisition or reorganization","confidence":"CONFIRMED","source_rir":"ARIN","recipient_rir":"ARIN","source_organization":"INVESCO TRIMARK LTD.","recipient_organization":"Invesco Management Group, Inc.","inventory_effect":"No effect on ARIN applicant inventory","inventory_effect_code":"NO_EFFECT","provisional":false,"classifier_version":"1.4.0","classified_at":"2026-10-14T00:18:32+00:00","page":"https://rirtracker.com/ip/142.148.128.0-142.148.255.255/#e-1ff097abc00b811e","report_page":"https://rirtracker.com/arin/reports/2017-09-06/","evidence_url":"https://rirtracker.com/api/v1/resources/ip/142.148.128.0-142.148.255.255.json","observed":"Merger/acquisition: INVESCO TRIMARK LTD. (ARIN) to Invesco Management Group, Inc. (ARIN)","explanation":"ARIN's transfer log records a merger, acquisition or reorganization from INVESCO TRIMARK LTD. (ARIN) to Invesco Management Group, Inc. (ARIN) on 2017-09-06 18:57 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 2017-09-06 18:57 UTC, INVESCO TRIMARK LTD. (ARIN) to Invesco Management Group, Inc. (ARIN); resources moved: 142.148.128.0/17"},{"type":"delegated_before","url":"https://ftp.arin.net/pub/stats/arin/archive/2017/delegated-arin-extended-20170905.gz","retrieved_at":"2026-10-12T21:33:53+00:00","summary":"ARIN delegated statistics 2017-09-05 (produced 2017-09-05T05:11:24+00:00), before the report: assigned (dated 1992-06-19)"},{"type":"delegated_after","url":"https://ftp.arin.net/pub/stats/arin/archive/2017/delegated-arin-extended-20170907.gz","retrieved_at":"2026-10-12T21:33:58+00:00","summary":"ARIN delegated statistics 2017-09-07 (produced 2017-09-07T05:11:46+00:00), after the report: assigned (dated 1992-06-19)"}]}],"classification_history":{"933bb13f1dda7f84":[{"raw_change_id":559387,"classification_code":"MERGER_ACQUISITION","confidence":"CONFIRMED","classifier_version":"1.4.0","classified_at":"2026-10-14T00:18:47+00:00","current":1,"public_explanation":"ARIN's transfer log records a merger, acquisition or reorganization from Invesco Management Group, Inc. (ARIN) to Invesco Group Services, Inc. (ARIN) on 2019-10-02 14:25 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."}],"1ff097abc00b811e":[{"raw_change_id":553100,"classification_code":"MERGER_ACQUISITION","confidence":"CONFIRMED","classifier_version":"1.4.0","classified_at":"2026-10-14T00:18:32+00:00","current":1,"public_explanation":"ARIN's transfer log records a merger, acquisition or reorganization from INVESCO TRIMARK LTD. (ARIN) to Invesco Management Group, Inc. (ARIN) on 2017-09-06 18:57 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 1992-06-19)"}}