{"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":"136.180.0.0/16","resource_type":"ipv4","page":"https://rirtracker.com/ip/136.180.0.0-136.180.255.255/","statistics_now":{"registry":"ARIN","status":"allocated (dated 1989-09-19)"},"current_holder":{"rir":"ARIN","org":"General Dynamics Land Systems","how":"ARIN's latest statistics and the latest transfer record"},"rdap_snapshots":[],"transfers":[{"id":34145,"date":"2024-01-19T13:39:55Z","type":"MERGER_ACQUISITION","source_rir":"ARIN","recipient_rir":"ARIN","source_org":"General Dynamics Corporation, Land Systems Division","recipient_org":"General Dynamics Land Systems","range":"136.180.0.0/16","log":"ARIN"}],"events":[{"event_id":"8fd7cb6e8ebd675b","registry":"ARIN","report_date":"2024-01-19","source":"transfers","raw_action":"TRANSFER","raw_line":null,"resource_type":"ipv4","resource":"136.180.0.0/16","start":"136.180.0.0","end":"136.180.255.255","classification":"MERGER_ACQUISITION","classification_label":"Merger/acquisition or reorganization","confidence":"CONFIRMED","source_rir":"ARIN","recipient_rir":"ARIN","source_organization":"General Dynamics Corporation, Land Systems Division","recipient_organization":"General Dynamics Land Systems","inventory_effect":"No effect on ARIN applicant inventory","inventory_effect_code":"NO_EFFECT","provisional":false,"classifier_version":"1.4.0","classified_at":"2026-10-14T00:19:12+00:00","page":"https://rirtracker.com/ip/136.180.0.0-136.180.255.255/#e-8fd7cb6e8ebd675b","report_page":"https://rirtracker.com/arin/reports/2024-01-19/","evidence_url":"https://rirtracker.com/api/v1/resources/ip/136.180.0.0-136.180.255.255.json","observed":"Merger/acquisition: General Dynamics Corporation, Land Systems Division (ARIN) to General Dynamics Land Systems (ARIN)","explanation":"ARIN's transfer log records a merger, acquisition or reorganization from General Dynamics Corporation, Land Systems Division (ARIN) to General Dynamics Land Systems (ARIN) on 2024-01-19 13:39 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 2024-01-19 13:39 UTC, General Dynamics Corporation, Land Systems Division (ARIN) to General Dynamics Land Systems (ARIN); resources moved: 136.180.0.0/16"},{"type":"delegated_before","url":"https://ftp.arin.net/pub/stats/arin/archive/2024/delegated-arin-extended-20240118.gz","retrieved_at":"2026-10-12T23:33:44+00:00","summary":"ARIN delegated statistics 2024-01-18 (produced 2024-01-18T14:00:43+00:00), before the report: allocated (dated 1989-09-19)"},{"type":"delegated_after","url":"https://ftp.arin.net/pub/stats/arin/archive/2024/delegated-arin-extended-20240120.gz","retrieved_at":"2026-10-12T23:33:48+00:00","summary":"ARIN delegated statistics 2024-01-20 (produced 2024-01-20T14:00:45+00:00), after the report: allocated (dated 1989-09-19)"}]}],"classification_history":{"8fd7cb6e8ebd675b":[{"raw_change_id":569935,"classification_code":"MERGER_ACQUISITION","confidence":"CONFIRMED","classifier_version":"1.4.0","classified_at":"2026-10-14T00:19:12+00:00","current":1,"public_explanation":"ARIN's transfer log records a merger, acquisition or reorganization from General Dynamics Corporation, Land Systems Division (ARIN) to General Dynamics Land Systems (ARIN) on 2024-01-19 13:39 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 1989-09-19)"}}