{"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":"204.10.72.0/22","resource_type":"ipv4","page":"https://rirtracker.com/ip/204.10.72.0-204.10.75.255/","statistics_now":{"registry":"ARIN","status":"allocated (dated 2019-03-15)"},"current_holder":{"rir":"ARIN","org":"Paxio Inc.","how":"ARIN's latest statistics and the latest transfer record"},"rdap_snapshots":[],"transfers":[{"id":29534,"date":"2022-11-04T16:09:38Z","type":"MERGER_ACQUISITION","source_rir":"ARIN","recipient_rir":"ARIN","source_org":"OpenFiber","recipient_org":"Paxio Inc.","range":"204.10.72.0/22","log":"ARIN"},{"id":17122,"date":"2019-03-15T12:54:34Z","type":"RESOURCE_TRANSFER","source_rir":"ARIN","recipient_rir":"ARIN","source_org":"Cyclone Systems Inc.","recipient_org":"OpenFiber","range":"204.10.72.0/22","log":"ARIN"},{"id":15657,"date":"2018-10-29T16:15:20Z","type":"MERGER_ACQUISITION","source_rir":"ARIN","recipient_rir":"ARIN","source_org":"Metrobridge Networks USA Corporation","recipient_org":"Cyclone Systems Inc.","range":"204.10.72.0/22","log":"ARIN"}],"events":[{"event_id":"8b9372c46ca2660d","registry":"ARIN","report_date":"2022-11-04","source":"transfers","raw_action":"TRANSFER","raw_line":null,"resource_type":"ipv4","resource":"204.10.72.0/22","start":"204.10.72.0","end":"204.10.75.255","classification":"MERGER_ACQUISITION","classification_label":"Merger/acquisition or reorganization","confidence":"CONFIRMED","source_rir":"ARIN","recipient_rir":"ARIN","source_organization":"OpenFiber","recipient_organization":"Paxio Inc.","inventory_effect":"No effect on ARIN applicant inventory","inventory_effect_code":"NO_EFFECT","provisional":false,"classifier_version":"1.4.0","classified_at":"2026-10-14T00:19:04+00:00","page":"https://rirtracker.com/ip/204.10.72.0-204.10.75.255/#e-8b9372c46ca2660d","report_page":"https://rirtracker.com/arin/reports/2022-11-04/","evidence_url":"https://rirtracker.com/api/v1/resources/ip/204.10.72.0-204.10.75.255.json","observed":"Merger/acquisition: OpenFiber (ARIN) to Paxio Inc. (ARIN)","explanation":"ARIN's transfer log records a merger, acquisition or reorganization from OpenFiber (ARIN) to Paxio Inc. (ARIN) on 2022-11-04 16:09 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 2022-11-04 16:09 UTC, OpenFiber (ARIN) to Paxio Inc. (ARIN); resources moved: 204.10.72.0/22"},{"type":"delegated_before","url":"https://ftp.arin.net/pub/stats/arin/archive/2022/delegated-arin-extended-20221103.gz","retrieved_at":"2026-10-12T23:10:19+00:00","summary":"ARIN delegated statistics 2022-11-03 (produced 2022-11-03T13:00:10+00:00), before the report: allocated (dated 2019-03-15)"},{"type":"delegated_after","url":"https://ftp.arin.net/pub/stats/arin/archive/2022/delegated-arin-extended-20221105.gz","retrieved_at":"2026-10-12T23:10:35+00:00","summary":"ARIN delegated statistics 2022-11-05 (produced 2022-11-05T13:00:10+00:00), after the report: allocated (dated 2019-03-15)"}]},{"event_id":"92417f949431e0f5","registry":"ARIN","report_date":"2019-03-15","source":"arin_issued","raw_action":"ADD","raw_line":"Add 204.10.72.0-204.10.75.255","resource_type":"ipv4","resource":"204.10.72.0/22","start":"204.10.72.0","end":"204.10.75.255","classification":"INTRA_RIR_TRANSFER","classification_label":"Intra-ARIN transfer","confidence":"CONFIRMED","source_rir":"ARIN","recipient_rir":"ARIN","source_organization":"Cyclone Systems Inc.","recipient_organization":"OpenFiber","inventory_effect":"No effect on ARIN applicant inventory","inventory_effect_code":"NO_EFFECT","provisional":false,"classifier_version":"1.4.0","classified_at":"2026-10-13T23:52:27+00:00","page":"https://rirtracker.com/ip/204.10.72.0-204.10.75.255/#e-92417f949431e0f5","report_page":"https://rirtracker.com/arin/reports/2019-03-15/","evidence_url":"https://rirtracker.com/api/v1/resources/ip/204.10.72.0-204.10.75.255.json","explanation":"ARIN's transfer log records a transfer from Cyclone Systems Inc. (ARIN) to OpenFiber (ARIN) on 2019-03-15 12:54 UTC. ARIN-Issued lists it as \"Add\" because the registration changed hands; it is not a new allocation from ARIN.","evidence":[{"type":"arin_issued","url":"https://lists.arin.net/pipermail/arin-issued/2019-March/003747.html","retrieved_at":"2026-10-12T18:40:24+00:00","summary":"ARIN-Issued report for 2019-03-15: \"Add 204.10.72.0-204.10.75.255\""},{"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: RESOURCE_TRANSFER on 2019-03-15 12:54 UTC, Cyclone Systems Inc. (ARIN) to OpenFiber (ARIN); resources moved: 204.10.72.0/22"},{"type":"delegated_before","url":"https://ftp.arin.net/pub/stats/arin/archive/2019/delegated-arin-extended-20190314.gz","retrieved_at":"2026-10-12T22:01:46+00:00","summary":"ARIN delegated statistics 2019-03-14 (produced 2019-03-14T05:00:16+00:00), before the report: allocated (dated 2004-12-17)"},{"type":"delegated_after","url":"https://ftp.arin.net/pub/stats/arin/archive/2019/delegated-arin-extended-20190316.gz","retrieved_at":"2026-10-12T22:01:59+00:00","summary":"ARIN delegated statistics 2019-03-16 (produced 2019-03-16T05:00:17+00:00), after the report: allocated (dated 2019-03-15)"}]},{"event_id":"90159e74795a3942","registry":"ARIN","report_date":"2018-10-29","source":"transfers","raw_action":"TRANSFER","raw_line":null,"resource_type":"ipv4","resource":"204.10.72.0/22","start":"204.10.72.0","end":"204.10.75.255","classification":"MERGER_ACQUISITION","classification_label":"Merger/acquisition or reorganization","confidence":"CONFIRMED","source_rir":"ARIN","recipient_rir":"ARIN","source_organization":"Metrobridge Networks USA Corporation","recipient_organization":"Cyclone Systems Inc.","inventory_effect":"No effect on ARIN applicant inventory","inventory_effect_code":"NO_EFFECT","provisional":false,"classifier_version":"1.4.0","classified_at":"2026-10-14T00:18:40+00:00","page":"https://rirtracker.com/ip/204.10.72.0-204.10.75.255/#e-90159e74795a3942","report_page":"https://rirtracker.com/arin/reports/2018-10-29/","evidence_url":"https://rirtracker.com/api/v1/resources/ip/204.10.72.0-204.10.75.255.json","observed":"Merger/acquisition: Metrobridge Networks USA Corporation (ARIN) to Cyclone Systems Inc. (ARIN)","explanation":"ARIN's transfer log records a merger, acquisition or reorganization from Metrobridge Networks USA Corporation (ARIN) to Cyclone Systems Inc. (ARIN) on 2018-10-29 16:15 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 2018-10-29 16:15 UTC, Metrobridge Networks USA Corporation (ARIN) to Cyclone Systems Inc. (ARIN); resources moved: 204.10.72.0/22"},{"type":"delegated_before","url":"https://ftp.arin.net/pub/stats/arin/archive/2018/delegated-arin-extended-20181028.gz","retrieved_at":"2026-10-12T21:54:49+00:00","summary":"ARIN delegated statistics 2018-10-28 (produced 2018-10-28T05:00:10+00:00), before the report: allocated (dated 2004-12-17)"},{"type":"delegated_after","url":"https://ftp.arin.net/pub/stats/arin/archive/2018/delegated-arin-extended-20181030.gz","retrieved_at":"2026-10-12T21:54:54+00:00","summary":"ARIN delegated statistics 2018-10-30 (produced 2018-10-30T05:00:10+00:00), after the report: allocated (dated 2004-12-17)"}]}],"classification_history":{"8b9372c46ca2660d":[{"raw_change_id":566620,"classification_code":"MERGER_ACQUISITION","confidence":"CONFIRMED","classifier_version":"1.4.0","classified_at":"2026-10-14T00:19:04+00:00","current":1,"public_explanation":"ARIN's transfer log records a merger, acquisition or reorganization from OpenFiber (ARIN) to Paxio Inc. (ARIN) on 2022-11-04 16:09 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."}],"92417f949431e0f5":[{"raw_change_id":159033,"classification_code":"INTRA_RIR_TRANSFER","confidence":"CONFIRMED","classifier_version":"1.3.0","classified_at":"2026-10-13T03:43:53+00:00","current":0,"public_explanation":"ARIN's transfer log records a transfer from Cyclone Systems Inc. (ARIN) to OpenFiber (ARIN) on 2019-03-15 12:54 UTC. ARIN-Issued lists it as \"Add\" because the registration changed hands; it is not a new allocation from ARIN."},{"raw_change_id":159033,"classification_code":"INTRA_RIR_TRANSFER","confidence":"CONFIRMED","classifier_version":"1.3.1","classified_at":"2026-10-13T08:06:31+00:00","current":0,"public_explanation":"ARIN's transfer log records a transfer from Cyclone Systems Inc. (ARIN) to OpenFiber (ARIN) on 2019-03-15 12:54 UTC. ARIN-Issued lists it as \"Add\" because the registration changed hands; it is not a new allocation from ARIN."},{"raw_change_id":159033,"classification_code":"INTRA_RIR_TRANSFER","confidence":"CONFIRMED","classifier_version":"1.3.2","classified_at":"2026-10-13T14:49:13+00:00","current":0,"public_explanation":"ARIN's transfer log records a transfer from Cyclone Systems Inc. (ARIN) to OpenFiber (ARIN) on 2019-03-15 12:54 UTC. ARIN-Issued lists it as \"Add\" because the registration changed hands; it is not a new allocation from ARIN."},{"raw_change_id":159033,"classification_code":"INTRA_RIR_TRANSFER","confidence":"CONFIRMED","classifier_version":"1.4.0","classified_at":"2026-10-13T23:52:27+00:00","current":1,"public_explanation":"ARIN's transfer log records a transfer from Cyclone Systems Inc. (ARIN) to OpenFiber (ARIN) on 2019-03-15 12:54 UTC. ARIN-Issued lists it as \"Add\" because the registration changed hands; it is not a new allocation from ARIN."}],"90159e74795a3942":[{"raw_change_id":556790,"classification_code":"MERGER_ACQUISITION","confidence":"CONFIRMED","classifier_version":"1.4.0","classified_at":"2026-10-14T00:18:40+00:00","current":1,"public_explanation":"ARIN's transfer log records a merger, acquisition or reorganization from Metrobridge Networks USA Corporation (ARIN) to Cyclone Systems Inc. (ARIN) on 2018-10-29 16:15 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 2019-03-15)"}}