{"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":"192.55.229.0/24","resource_type":"ipv4","page":"https://rirtracker.com/ip/192.55.229.0-192.55.229.255/","statistics_now":{"registry":"ARIN","status":"allocated (dated 1989-09-04)"},"current_holder":{"rir":"ARIN","org":"Colorado State University","how":"ARIN's latest statistics and the latest transfer record"},"rdap_snapshots":[],"transfers":[{"id":34858,"date":"2024-03-11T21:02:07Z","type":"MERGER_ACQUISITION","source_rir":"ARIN","recipient_rir":"ARIN","source_org":"Colorado State University-Pueblo","recipient_org":"Colorado State University","range":"192.55.229.0/24","log":"ARIN"}],"events":[{"event_id":"8290658be0947a76","registry":"ARIN","report_date":"2024-03-11","source":"transfers","raw_action":"TRANSFER","raw_line":null,"resource_type":"ipv4","resource":"192.55.229.0/24","start":"192.55.229.0","end":"192.55.229.255","classification":"MERGER_ACQUISITION","classification_label":"Merger/acquisition or reorganization","confidence":"CONFIRMED","source_rir":"ARIN","recipient_rir":"ARIN","source_organization":"Colorado State University-Pueblo","recipient_organization":"Colorado State University","inventory_effect":"No effect on ARIN applicant inventory","inventory_effect_code":"NO_EFFECT","provisional":false,"classifier_version":"1.4.0","classified_at":"2026-10-14T00:19:14+00:00","page":"https://rirtracker.com/ip/192.55.229.0-192.55.229.255/#e-8290658be0947a76","report_page":"https://rirtracker.com/arin/reports/2024-03-11/","evidence_url":"https://rirtracker.com/api/v1/resources/ip/192.55.229.0-192.55.229.255.json","observed":"Merger/acquisition: Colorado State University-Pueblo (ARIN) to Colorado State University (ARIN)","explanation":"ARIN's transfer log records a merger, acquisition or reorganization from Colorado State University-Pueblo (ARIN) to Colorado State University (ARIN) on 2024-03-11 21:02 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 2024-03-11 21:02 UTC, Colorado State University-Pueblo (ARIN) to Colorado State University (ARIN); resources moved: 192.55.229.0/24"},{"type":"delegated_before","url":"https://ftp.arin.net/pub/stats/arin/archive/2024/delegated-arin-extended-20240310.gz","retrieved_at":"2026-10-12T23:36:36+00:00","summary":"ARIN delegated statistics 2024-03-10 (produced 2024-03-10T13:00:44+00:00), before the report: allocated (dated 1989-09-04)"},{"type":"delegated_after","url":"https://ftp.arin.net/pub/stats/arin/archive/2024/delegated-arin-extended-20240312.gz","retrieved_at":"2026-10-12T23:36:41+00:00","summary":"ARIN delegated statistics 2024-03-12 (produced 2024-03-12T13:00:43+00:00), after the report: allocated (dated 1989-09-04)"}]}],"classification_history":{"8290658be0947a76":[{"raw_change_id":570540,"classification_code":"MERGER_ACQUISITION","confidence":"CONFIRMED","classifier_version":"1.4.0","classified_at":"2026-10-14T00:19:14+00:00","current":1,"public_explanation":"ARIN's transfer log records a merger, acquisition or reorganization from Colorado State University-Pueblo (ARIN) to Colorado State University (ARIN) on 2024-03-11 21:02 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 1989-09-04)"}}