{"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":"192.172.249.0/24","resource_type":"ipv4","page":"https://rirtracker.com/ip/192.172.249.0-192.172.249.255/","statistics_now":{"registry":"ARIN","status":"allocated (dated 1992-06-11)"},"current_holder":{"rir":"ARIN","org":"DoD Network Information Center","how":"ARIN's latest statistics and the latest transfer record"},"rdap_snapshots":[],"transfers":[{"id":17714,"date":"2019-05-02T13:09:40Z","type":"MERGER_ACQUISITION","source_rir":"ARIN","recipient_rir":"ARIN","source_org":"Navy Network Information Center (NNIC)","recipient_org":"DoD Network Information Center","range":"192.172.249.0/24","log":"ARIN"}],"events":[{"event_id":"68766e0db0dcf1af","registry":"ARIN","report_date":"2019-05-02","source":"transfers","raw_action":"TRANSFER","raw_line":null,"resource_type":"ipv4","resource":"192.172.249.0/24","start":"192.172.249.0","end":"192.172.249.255","classification":"MERGER_ACQUISITION","classification_label":"Merger/acquisition or reorganization","confidence":"CONFIRMED","source_rir":"ARIN","recipient_rir":"ARIN","source_organization":"Navy Network Information Center (NNIC)","recipient_organization":"DoD Network Information Center","inventory_effect":"No effect on ARIN applicant inventory","inventory_effect_code":"NO_EFFECT","provisional":false,"classifier_version":"1.4.0","classified_at":"2026-10-14T00:18:44+00:00","page":"https://rirtracker.com/ip/192.172.249.0-192.172.249.255/#e-68766e0db0dcf1af","report_page":"https://rirtracker.com/arin/reports/2019-05-02/","evidence_url":"https://rirtracker.com/api/v1/resources/ip/192.172.249.0-192.172.249.255.json","observed":"Merger/acquisition: Navy Network Information Center (NNIC) (ARIN) to DoD Network Information Center (ARIN)","explanation":"ARIN's transfer log records a merger, acquisition or reorganization from Navy Network Information Center (NNIC) (ARIN) to DoD Network Information Center (ARIN) on 2019-05-02 13:09 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 2019-05-02 13:09 UTC, Navy Network Information Center (NNIC) (ARIN) to DoD Network Information Center (ARIN); resources moved: 192.172.249.0/24"},{"type":"delegated_before","url":"https://ftp.arin.net/pub/stats/arin/archive/2019/delegated-arin-extended-20190501.gz","retrieved_at":"2026-10-12T22:04:20+00:00","summary":"ARIN delegated statistics 2019-05-01 (produced 2019-05-01T05:00:13+00:00), before the report: assigned (dated 1992-06-11)"},{"type":"delegated_after","url":"https://ftp.arin.net/pub/stats/arin/archive/2019/delegated-arin-extended-20190503.gz","retrieved_at":"2026-10-12T22:04:25+00:00","summary":"ARIN delegated statistics 2019-05-03 (produced 2019-05-03T05:00:12+00:00), after the report: assigned (dated 1992-06-11)"}]}],"classification_history":{"68766e0db0dcf1af":[{"raw_change_id":558527,"classification_code":"MERGER_ACQUISITION","confidence":"CONFIRMED","classifier_version":"1.4.0","classified_at":"2026-10-14T00:18:44+00:00","current":1,"public_explanation":"ARIN's transfer log records a merger, acquisition or reorganization from Navy Network Information Center (NNIC) (ARIN) to DoD Network Information Center (ARIN) on 2019-05-02 13:09 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."}]},"arin_statistics_now":{"status":"allocated (dated 1992-06-11)"}}