{"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":"AS1236","resource_type":"asn","page":"https://rirtracker.com/asn/1236/","statistics_now":{"registry":"ARIN","status":"assigned (dated 1991-03-13)"},"current_holder":{"rir":"ARIN","org":"General Dynamics Information Technology, Inc.","how":"ARIN's latest statistics and the latest transfer record"},"rdap_snapshots":[],"transfers":[{"id":2440,"date":"2021-04-28T21:13:15Z","type":"MERGER_ACQUISITION","source_rir":"ARIN","recipient_rir":"ARIN","source_org":"General Dynamics Mission Systems, Inc.","recipient_org":"General Dynamics Information Technology, Inc.","range":"AS1236","log":"ARIN"},{"id":2239,"date":"2020-10-12T17:11:35Z","type":"MERGER_ACQUISITION","source_rir":"ARIN","recipient_rir":"ARIN","source_org":"General Dynamics C4 Systems, Inc.","recipient_org":"General Dynamics Mission Systems, Inc.","range":"AS1236","log":"ARIN"}],"events":[{"event_id":"1c68bfca168f5873","registry":"ARIN","report_date":"2021-04-28","source":"transfers","raw_action":"TRANSFER","raw_line":null,"resource_type":"asn","resource":"AS1236","start":1236,"end":1236,"classification":"MERGER_ACQUISITION","classification_label":"Merger/acquisition or reorganization","confidence":"CONFIRMED","source_rir":"ARIN","recipient_rir":"ARIN","source_organization":"General Dynamics Mission Systems, Inc.","recipient_organization":"General Dynamics Information Technology, Inc.","inventory_effect":"No effect on ARIN applicant inventory","inventory_effect_code":"NO_EFFECT","provisional":false,"classifier_version":"1.4.0","classified_at":"2026-10-14T00:18:56+00:00","page":"https://rirtracker.com/asn/1236/#e-1c68bfca168f5873","report_page":"https://rirtracker.com/arin/reports/2021-04-28/","evidence_url":"https://rirtracker.com/api/v1/resources/asn/1236.json","observed":"Merger/acquisition: General Dynamics Mission Systems, Inc. (ARIN) to General Dynamics Information Technology, Inc. (ARIN)","explanation":"ARIN's transfer log records a merger, acquisition or reorganization from General Dynamics Mission Systems, Inc. (ARIN) to General Dynamics Information Technology, Inc. (ARIN) on 2021-04-28 21:13 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 2021-04-28 21:13 UTC, General Dynamics Mission Systems, Inc. (ARIN) to General Dynamics Information Technology, Inc. (ARIN); resources moved: AS1236"},{"type":"delegated_before","url":"https://ftp.arin.net/pub/stats/arin/archive/2021/delegated-arin-extended-20210427.gz","retrieved_at":"2026-10-12T22:41:53+00:00","summary":"ARIN delegated statistics 2021-04-27 (produced 2021-04-27T14:00:13+00:00), before the report: assigned (dated 1991-03-13)"},{"type":"delegated_after","url":"https://ftp.arin.net/pub/stats/arin/archive/2021/delegated-arin-extended-20210429.gz","retrieved_at":"2026-10-12T22:41:58+00:00","summary":"ARIN delegated statistics 2021-04-29 (produced 2021-04-29T14:00:13+00:00), after the report: assigned (dated 1991-03-13)"}]},{"event_id":"cbd60fa9a1c5fe6f","registry":"ARIN","report_date":"2020-10-12","source":"transfers","raw_action":"TRANSFER","raw_line":null,"resource_type":"asn","resource":"AS1236","start":1236,"end":1236,"classification":"MERGER_ACQUISITION","classification_label":"Merger/acquisition or reorganization","confidence":"CONFIRMED","source_rir":"ARIN","recipient_rir":"ARIN","source_organization":"General Dynamics C4 Systems, Inc.","recipient_organization":"General Dynamics Mission Systems, Inc.","inventory_effect":"No effect on ARIN applicant inventory","inventory_effect_code":"NO_EFFECT","provisional":false,"classifier_version":"1.4.0","classified_at":"2026-10-14T00:18:51+00:00","page":"https://rirtracker.com/asn/1236/#e-cbd60fa9a1c5fe6f","report_page":"https://rirtracker.com/arin/reports/2020-10-12/","evidence_url":"https://rirtracker.com/api/v1/resources/asn/1236.json","observed":"Merger/acquisition: General Dynamics C4 Systems, Inc. (ARIN) to General Dynamics Mission Systems, Inc. (ARIN)","explanation":"ARIN's transfer log records a merger, acquisition or reorganization from General Dynamics C4 Systems, Inc. (ARIN) to General Dynamics Mission Systems, Inc. (ARIN) on 2020-10-12 17:11 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 2020-10-12 17:11 UTC, General Dynamics C4 Systems, Inc. (ARIN) to General Dynamics Mission Systems, Inc. (ARIN); resources moved: AS1236"},{"type":"delegated_before","url":"https://ftp.arin.net/pub/stats/arin/archive/2020/delegated-arin-extended-20201011.gz","retrieved_at":"2026-10-12T22:31:42+00:00","summary":"ARIN delegated statistics 2020-10-11 (produced 2020-10-11T14:00:13+00:00), before the report: assigned (dated 1991-03-13)"},{"type":"delegated_after","url":"https://ftp.arin.net/pub/stats/arin/archive/2020/delegated-arin-extended-20201013.gz","retrieved_at":"2026-10-12T22:31:47+00:00","summary":"ARIN delegated statistics 2020-10-13 (produced 2020-10-13T14:00:14+00:00), after the report: assigned (dated 1991-03-13)"}]}],"classification_history":{"1c68bfca168f5873":[{"raw_change_id":563232,"classification_code":"MERGER_ACQUISITION","confidence":"CONFIRMED","classifier_version":"1.4.0","classified_at":"2026-10-14T00:18:56+00:00","current":1,"public_explanation":"ARIN's transfer log records a merger, acquisition or reorganization from General Dynamics Mission Systems, Inc. (ARIN) to General Dynamics Information Technology, Inc. (ARIN) on 2021-04-28 21:13 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."}],"cbd60fa9a1c5fe6f":[{"raw_change_id":561116,"classification_code":"MERGER_ACQUISITION","confidence":"CONFIRMED","classifier_version":"1.4.0","classified_at":"2026-10-14T00:18:51+00:00","current":1,"public_explanation":"ARIN's transfer log records a merger, acquisition or reorganization from General Dynamics C4 Systems, Inc. (ARIN) to General Dynamics Mission Systems, Inc. (ARIN) on 2020-10-12 17:11 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":"assigned (dated 1991-03-13)"}}