{"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":"156.79.0.0/16","resource_type":"ipv4","page":"https://rirtracker.com/ip/156.79.0.0-156.79.255.255/","statistics_now":{"registry":"ARIN","status":"allocated (dated 1991-12-19)"},"current_holder":{"rir":"ARIN","org":"Fujitsu North America, Inc.","how":"ARIN's latest statistics and the latest transfer record"},"rdap_snapshots":[],"transfers":[{"id":28648,"date":"2022-08-02T15:43:18Z","type":"MERGER_ACQUISITION","source_rir":"ARIN","recipient_rir":"ARIN","source_org":"Fujitsu America Inc.","recipient_org":"Fujitsu North America, Inc.","range":"156.79.0.0/16","log":"ARIN"},{"id":16802,"date":"2019-01-11T22:06:41Z","type":"MERGER_ACQUISITION","source_rir":"ARIN","recipient_rir":"ARIN","source_org":"Amdahl Software Ltd.","recipient_org":"Fujitsu America Inc.","range":"156.79.0.0/16","log":"ARIN"}],"events":[{"event_id":"9a5c63422c4d55d3","registry":"ARIN","report_date":"2022-08-02","source":"transfers","raw_action":"TRANSFER","raw_line":null,"resource_type":"ipv4","resource":"156.79.0.0/16","start":"156.79.0.0","end":"156.79.255.255","classification":"MERGER_ACQUISITION","classification_label":"Merger/acquisition or reorganization","confidence":"CONFIRMED","source_rir":"ARIN","recipient_rir":"ARIN","source_organization":"Fujitsu America Inc.","recipient_organization":"Fujitsu North America, Inc.","inventory_effect":"No effect on ARIN applicant inventory","inventory_effect_code":"NO_EFFECT","provisional":false,"classifier_version":"1.4.0","classified_at":"2026-10-14T00:19:03+00:00","page":"https://rirtracker.com/ip/156.79.0.0-156.79.255.255/#e-9a5c63422c4d55d3","report_page":"https://rirtracker.com/arin/reports/2022-08-02/","evidence_url":"https://rirtracker.com/api/v1/resources/ip/156.79.0.0-156.79.255.255.json","observed":"Merger/acquisition: Fujitsu America Inc. (ARIN) to Fujitsu North America, Inc. (ARIN)","explanation":"ARIN's transfer log records a merger, acquisition or reorganization from Fujitsu America Inc. (ARIN) to Fujitsu North America, Inc. (ARIN) on 2022-08-02 15:43 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 2022-08-02 15:43 UTC, Fujitsu America Inc. (ARIN) to Fujitsu North America, Inc. (ARIN); resources moved: 156.79.0.0/16"},{"type":"delegated_before","url":"https://ftp.arin.net/pub/stats/arin/archive/2022/delegated-arin-extended-20220801.gz","retrieved_at":"2026-10-12T23:05:31+00:00","summary":"ARIN delegated statistics 2022-08-01 (produced 2022-08-01T13:00:10+00:00), before the report: allocated (dated 1991-12-19)"},{"type":"delegated_after","url":"https://ftp.arin.net/pub/stats/arin/archive/2022/delegated-arin-extended-20220803.gz","retrieved_at":"2026-10-12T23:05:36+00:00","summary":"ARIN delegated statistics 2022-08-03 (produced 2022-08-03T13:00:11+00:00), after the report: allocated (dated 1991-12-19)"}]},{"event_id":"53a28b31b13dd6a7","registry":"ARIN","report_date":"2019-01-11","source":"transfers","raw_action":"TRANSFER","raw_line":null,"resource_type":"ipv4","resource":"156.79.0.0/16","start":"156.79.0.0","end":"156.79.255.255","classification":"MERGER_ACQUISITION","classification_label":"Merger/acquisition or reorganization","confidence":"CONFIRMED","source_rir":"ARIN","recipient_rir":"ARIN","source_organization":"Amdahl Software Ltd.","recipient_organization":"Fujitsu America Inc.","inventory_effect":"No effect on ARIN applicant inventory","inventory_effect_code":"NO_EFFECT","provisional":false,"classifier_version":"1.4.0","classified_at":"2026-10-14T00:18:42+00:00","page":"https://rirtracker.com/ip/156.79.0.0-156.79.255.255/#e-53a28b31b13dd6a7","report_page":"https://rirtracker.com/arin/reports/2019-01-11/","evidence_url":"https://rirtracker.com/api/v1/resources/ip/156.79.0.0-156.79.255.255.json","observed":"Merger/acquisition: Amdahl Software Ltd. (ARIN) to Fujitsu America Inc. (ARIN)","explanation":"ARIN's transfer log records a merger, acquisition or reorganization from Amdahl Software Ltd. (ARIN) to Fujitsu America Inc. (ARIN) on 2019-01-11 22:06 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 2019-01-11 22:06 UTC, Amdahl Software Ltd. (ARIN) to Fujitsu America Inc. (ARIN); resources moved: 156.79.0.0/16"},{"type":"delegated_before","url":"https://ftp.arin.net/pub/stats/arin/archive/2019/delegated-arin-extended-20190110.gz","retrieved_at":"2026-10-12T21:58:32+00:00","summary":"ARIN delegated statistics 2019-01-10 (produced 2019-01-10T06:00:12+00:00), before the report: assigned (dated 1991-12-19)"},{"type":"delegated_after","url":"https://ftp.arin.net/pub/stats/arin/archive/2019/delegated-arin-extended-20190112.gz","retrieved_at":"2026-10-12T21:58:37+00:00","summary":"ARIN delegated statistics 2019-01-12 (produced 2019-01-12T06:00:09+00:00), after the report: assigned (dated 1991-12-19)"}]}],"classification_history":{"9a5c63422c4d55d3":[{"raw_change_id":566027,"classification_code":"MERGER_ACQUISITION","confidence":"CONFIRMED","classifier_version":"1.4.0","classified_at":"2026-10-14T00:19:03+00:00","current":1,"public_explanation":"ARIN's transfer log records a merger, acquisition or reorganization from Fujitsu America Inc. (ARIN) to Fujitsu North America, Inc. (ARIN) on 2022-08-02 15:43 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."}],"53a28b31b13dd6a7":[{"raw_change_id":557831,"classification_code":"MERGER_ACQUISITION","confidence":"CONFIRMED","classifier_version":"1.4.0","classified_at":"2026-10-14T00:18:42+00:00","current":1,"public_explanation":"ARIN's transfer log records a merger, acquisition or reorganization from Amdahl Software Ltd. (ARIN) to Fujitsu America Inc. (ARIN) on 2019-01-11 22:06 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 1991-12-19)"}}