{"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":"204.209.216.0/22","resource_type":"ipv4","page":"https://rirtracker.com/ip/204.209.216.0-204.209.219.255/","statistics_now":{"registry":"ARIN","status":"allocated (dated 1994-12-11)"},"current_holder":{"rir":"ARIN","org":"ALTAGAS UTILITIES INC.","how":"ARIN's latest statistics and the latest transfer record"},"rdap_snapshots":[],"transfers":[{"id":19325,"date":"2019-11-15T13:17:07Z","type":"MERGER_ACQUISITION","source_rir":"ARIN","recipient_rir":"ARIN","source_org":"Centra Gas Alberta","recipient_org":"ALTAGAS UTILITIES INC.","range":"204.209.216.0/22","log":"ARIN"}],"events":[{"event_id":"1745710f4f0da800","registry":"ARIN","report_date":"2019-11-15","source":"transfers","raw_action":"TRANSFER","raw_line":null,"resource_type":"ipv4","resource":"204.209.216.0/22","start":"204.209.216.0","end":"204.209.219.255","classification":"MERGER_ACQUISITION","classification_label":"Merger/acquisition or reorganization","confidence":"CONFIRMED","source_rir":"ARIN","recipient_rir":"ARIN","source_organization":"Centra Gas Alberta","recipient_organization":"ALTAGAS UTILITIES INC.","inventory_effect":"No effect on ARIN applicant inventory","inventory_effect_code":"NO_EFFECT","provisional":false,"classifier_version":"1.4.0","classified_at":"2026-10-14T00:18:47+00:00","page":"https://rirtracker.com/ip/204.209.216.0-204.209.219.255/#e-1745710f4f0da800","report_page":"https://rirtracker.com/arin/reports/2019-11-15/","evidence_url":"https://rirtracker.com/api/v1/resources/ip/204.209.216.0-204.209.219.255.json","observed":"Merger/acquisition: Centra Gas Alberta (ARIN) to ALTAGAS UTILITIES INC. (ARIN)","explanation":"ARIN's transfer log records a merger, acquisition or reorganization from Centra Gas Alberta (ARIN) to ALTAGAS UTILITIES INC. (ARIN) on 2019-11-15 13:17 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 2019-11-15 13:17 UTC, Centra Gas Alberta (ARIN) to ALTAGAS UTILITIES INC. (ARIN); resources moved: 204.209.216.0/22"},{"type":"delegated_before","url":"https://ftp.arin.net/pub/stats/arin/archive/2019/delegated-arin-extended-20191114.gz","retrieved_at":"2026-10-12T22:14:24+00:00","summary":"ARIN delegated statistics 2019-11-14 (produced 2019-11-14T15:00:14+00:00), before the report: assigned (dated 1994-12-11)"},{"type":"delegated_after","url":"https://ftp.arin.net/pub/stats/arin/archive/2019/delegated-arin-extended-20191116.gz","retrieved_at":"2026-10-12T22:14:29+00:00","summary":"ARIN delegated statistics 2019-11-16 (produced 2019-11-16T15:00:13+00:00), after the report: assigned (dated 1994-12-11)"}]}],"classification_history":{"1745710f4f0da800":[{"raw_change_id":559634,"classification_code":"MERGER_ACQUISITION","confidence":"CONFIRMED","classifier_version":"1.4.0","classified_at":"2026-10-14T00:18:47+00:00","current":1,"public_explanation":"ARIN's transfer log records a merger, acquisition or reorganization from Centra Gas Alberta (ARIN) to ALTAGAS UTILITIES INC. (ARIN) on 2019-11-15 13:17 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 1994-12-11)"}}