{"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":"198.162.16.0/22","resource_type":"ipv4","page":"https://rirtracker.com/ip/198.162.16.0-198.162.19.255/","statistics_now":{"registry":"ARIN","status":"allocated (dated 1997-12-10)"},"current_holder":{"rir":"ARIN","org":"Uniserve On Line","how":"ARIN's latest statistics and the latest transfer record"},"rdap_snapshots":[],"transfers":[{"id":6752,"date":"2016-04-12T19:09:17Z","type":"MERGER_ACQUISITION","source_rir":"ARIN","recipient_rir":"ARIN","source_org":"Regular Expressions","recipient_org":"Uniserve On Line","range":"198.162.16.0/22","log":"ARIN"}],"events":[{"event_id":"e4aa7f9d716d68e6","registry":"ARIN","report_date":"2016-04-12","source":"transfers","raw_action":"TRANSFER","raw_line":null,"resource_type":"ipv4","resource":"198.162.16.0/22","start":"198.162.16.0","end":"198.162.19.255","classification":"MERGER_ACQUISITION","classification_label":"Merger/acquisition or reorganization","confidence":"CONFIRMED","source_rir":"ARIN","recipient_rir":"ARIN","source_organization":"Regular Expressions","recipient_organization":"Uniserve On Line","inventory_effect":"No effect on ARIN applicant inventory","inventory_effect_code":"NO_EFFECT","provisional":false,"classifier_version":"1.4.0","classified_at":"2026-10-14T00:18:24+00:00","page":"https://rirtracker.com/ip/198.162.16.0-198.162.19.255/#e-e4aa7f9d716d68e6","report_page":"https://rirtracker.com/arin/reports/2016-04-12/","evidence_url":"https://rirtracker.com/api/v1/resources/ip/198.162.16.0-198.162.19.255.json","observed":"Merger/acquisition: Regular Expressions (ARIN) to Uniserve On Line (ARIN)","explanation":"ARIN's transfer log records a merger, acquisition or reorganization from Regular Expressions (ARIN) to Uniserve On Line (ARIN) on 2016-04-12 19:09 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 2016-04-12 19:09 UTC, Regular Expressions (ARIN) to Uniserve On Line (ARIN); resources moved: 198.162.16.0/22"},{"type":"delegated_before","url":"https://ftp.arin.net/pub/stats/arin/archive/2016/delegated-arin-extended-20160411.gz","retrieved_at":"2026-10-12T21:08:45+00:00","summary":"ARIN delegated statistics 2016-04-11 (produced 2016-04-11T05:04:56+00:00), before the report: assigned (dated 1997-12-10)"},{"type":"delegated_after","url":"https://ftp.arin.net/pub/stats/arin/archive/2016/delegated-arin-extended-20160413.gz","retrieved_at":"2026-10-12T21:08:49+00:00","summary":"ARIN delegated statistics 2016-04-13 (produced 2016-04-13T05:05:00+00:00), after the report: assigned (dated 1997-12-10)"}]}],"classification_history":{"e4aa7f9d716d68e6":[{"raw_change_id":550044,"classification_code":"MERGER_ACQUISITION","confidence":"CONFIRMED","classifier_version":"1.4.0","classified_at":"2026-10-14T00:18:24+00:00","current":1,"public_explanation":"ARIN's transfer log records a merger, acquisition or reorganization from Regular Expressions (ARIN) to Uniserve On Line (ARIN) on 2016-04-12 19:09 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 1997-12-10)"}}