{"classifier_version":"1.1.0","generated":"2026-10-10T17:51:29+00:00","documentation":"https://rirtracker.com/api/","disclaimer":"This site independently analyzes publicly available Internet number-resource records. It is not affiliated with or endorsed by the American Registry for Internet Numbers (ARIN), the RIPE Network Coordination Centre (RIPE NCC), the Number Resource Organization (NRO), or any 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":"161.145.168.0/21","resource_type":"ipv4","page":"https://rirtracker.com/ip/161.145.168.0-161.145.175.255/","statistics_now":{"registry":"RIPE NCC","file_date":"2026-10-09","status":"allocated (dated 1992-10-22)"},"current_holder":{"rir":"RIPE NCC","org":"Carrier Refrigeration Operation Czech Republic s.r.o.","how":"RIPE NCC's statistics for 2026-10-09 and the latest transfer record"},"rdap_snapshots":[],"transfers":[{"id":122454,"date":"2026-08-31T19:00:00Z","type":"RESOURCE_TRANSFER","source_rir":"ARIN","recipient_rir":"RIPE NCC","source_org":null,"recipient_org":"Carrier Refrigeration Operation Czech Republic s.r.o.","range":"161.145.168.0/21","log":"RIPE NCC"},{"id":45354,"date":"2026-08-31T14:01:23Z","type":"RESOURCE_TRANSFER","source_rir":"ARIN","recipient_rir":"RIPE NCC","source_org":"Carrier Corporation","recipient_org":"ORG-CROC2-RIPE","range":"161.145.168.0/21","log":"ARIN"},{"id":24797,"date":"2021-06-02T05:12:37Z","type":"MERGER_ACQUISITION","source_rir":"ARIN","recipient_rir":"ARIN","source_org":"United Technologies - Carrier","recipient_org":"Carrier Corporation","range":"161.145.0.0/16","log":"ARIN"}],"events":[{"event_id":"7d026eaf60d03947","registry":"RIPE NCC","report_date":"2026-08-31","source":"transfers","raw_action":"TRANSFER","raw_line":null,"resource_type":"ipv4","resource":"161.145.168.0/21","start":"161.145.168.0","end":"161.145.175.255","classification":"INTER_RIR_TRANSFER_IN","classification_label":"Inter-RIR transfer into RIPE NCC","confidence":"CONFIRMED","source_rir":"ARIN","recipient_rir":"RIPE NCC","source_organization":null,"recipient_organization":"Carrier Refrigeration Operation Czech Republic s.r.o.","inventory_effect":"Transferred into RIPE NCC administration; not a new issuance","inventory_effect_code":"TRANSFER_IN","provisional":false,"classifier_version":"1.1.0","classified_at":"2026-10-10T17:50:57+00:00","page":"https://rirtracker.com/ip/161.145.168.0-161.145.175.255/#e-7d026eaf60d03947","report_page":"https://rirtracker.com/ripe/reports/2026-08-31/","evidence_url":"https://rirtracker.com/api/v1/events/7d026eaf60d03947.json","observed":"Transfer: (no name) (ARIN) to Carrier Refrigeration Operation Czech Republic s.r.o. (RIPE NCC)","explanation":"RIPE NCC's transfer log records a transfer from an unnamed organization (ARIN) to Carrier Refrigeration Operation Czech Republic s.r.o. (RIPE NCC) on 2026-08-31 19:00 UTC: it came to RIPE NCC from ARIN. It was already issued by another registry, so this is not a new issuance.","evidence":[{"type":"transfer","url":"https://ftp.ripe.net/pub/stats/ripencc/transfers/transfers_latest.json","retrieved_at":"2026-10-10T17:24:28+00:00","summary":"Transfer log: RESOURCE_TRANSFER on 2026-08-31 19:00 UTC, (no name) (ARIN) to Carrier Refrigeration Operation Czech Republic s.r.o. (RIPE NCC); resources moved: 161.145.168.0/21"},{"type":"delegated_before","url":"https://ftp.ripe.net/pub/stats/ripencc/2026/delegated-ripencc-extended-20260830.bz2","retrieved_at":"2026-10-10T17:37:19+00:00","summary":"RIPE NCC delegated statistics 2026-08-30 (produced 2026-08-30T21:59:59+00:00), before the change: not listed"},{"type":"delegated_after","url":"https://ftp.ripe.net/pub/stats/ripencc/2026/delegated-ripencc-extended-20260831.bz2","retrieved_at":"2026-10-10T17:37:22+00:00","summary":"RIPE NCC delegated statistics 2026-08-31 (produced 2026-08-31T21:59:59+00:00), after the change: allocated (dated 1992-10-22)"}]}],"classification_history":{"7d026eaf60d03947":[{"raw_change_id":12456,"classification_code":"INTER_RIR_TRANSFER_IN","confidence":"CONFIRMED","classifier_version":"1.1.0","classified_at":"2026-10-10T17:50:57+00:00","current":1,"public_explanation":"RIPE NCC's transfer log records a transfer from an unnamed organization (ARIN) to Carrier Refrigeration Operation Czech Republic s.r.o. (RIPE NCC) on 2026-08-31 19:00 UTC: it came to RIPE NCC from ARIN. It was already issued by another registry, so this is not a new issuance."}]},"arin_statistics_now":{"file_date":"2026-10-10","status":"not listed"}}