{"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":"198.59.192.0/18","resource_type":"ipv4","page":"https://rirtracker.com/ip/198.59.192.0-198.59.255.255/","statistics_now":{"registry":"ARIN","status":"allocated (dated 1993-02-09)"},"current_holder":{"rir":"ARIN","org":"University of Wyoming","how":"ARIN's latest statistics and the latest transfer record"},"rdap_snapshots":[],"transfers":[{"id":16777,"date":"2019-01-09T15:08:23Z","type":"MERGER_ACQUISITION","source_rir":"ARIN","recipient_rir":"ARIN","source_org":"WestNet, Inc.","recipient_org":"University of Wyoming","range":"198.59.192.0/18","log":"ARIN"},{"id":13175,"date":"2018-05-14T16:43:36Z","type":"MERGER_ACQUISITION","source_rir":"ARIN","recipient_rir":"ARIN","source_org":"WestNet, Inc.","recipient_org":"Utah Education Network","range":"198.59.230.0/24","log":"ARIN"}],"events":[{"event_id":"ddf33d6d6875b19a","registry":"ARIN","report_date":"2019-01-09","source":"transfers","raw_action":"TRANSFER","raw_line":null,"resource_type":"ipv4","resource":"198.59.192.0/18","start":"198.59.192.0","end":"198.59.255.255","classification":"MERGER_ACQUISITION","classification_label":"Merger/acquisition or reorganization","confidence":"CONFIRMED","source_rir":"ARIN","recipient_rir":"ARIN","source_organization":"WestNet, Inc.","recipient_organization":"University of Wyoming","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/198.59.192.0-198.59.255.255/#e-ddf33d6d6875b19a","report_page":"https://rirtracker.com/arin/reports/2019-01-09/","evidence_url":"https://rirtracker.com/api/v1/resources/ip/198.59.192.0-198.59.255.255.json","observed":"Merger/acquisition: WestNet, Inc. (ARIN) to University of Wyoming (ARIN)","explanation":"ARIN's transfer log records a merger, acquisition or reorganization from WestNet, Inc. (ARIN) to University of Wyoming (ARIN) on 2019-01-09 15:08 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 2019-01-09 15:08 UTC, WestNet, Inc. (ARIN) to University of Wyoming (ARIN); resources moved: 198.59.192.0/18"},{"type":"delegated_before","url":"https://ftp.arin.net/pub/stats/arin/archive/2019/delegated-arin-extended-20190108.gz","retrieved_at":"2026-10-12T21:58:27+00:00","summary":"ARIN delegated statistics 2019-01-08 (produced 2019-01-08T06:00:10+00:00), before the report: allocated (dated 1993-02-09)"},{"type":"delegated_after","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), after the report: assigned (dated 1993-02-09)"}]}],"classification_history":{"ddf33d6d6875b19a":[{"raw_change_id":557811,"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 WestNet, Inc. (ARIN) to University of Wyoming (ARIN) on 2019-01-09 15:08 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 1993-02-09)"}}