{"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":"174.132.0.0/16","resource_type":"ipv4","page":"https://rirtracker.com/ip/174.132.0.0-174.132.255.255/","statistics_now":{"registry":"RIPE NCC","status":"allocated (dated 2008-06-17)"},"current_holder":{"rir":"RIPE NCC","org":"Microsoft Limited","how":"The RIPE NCC's latest statistics and the latest transfer record"},"rdap_snapshots":[],"transfers":[{"id":113004,"date":"2025-05-19T19:00:00Z","type":"RESOURCE_TRANSFER","source_rir":"ARIN","recipient_rir":"RIPE NCC","source_org":null,"recipient_org":"Microsoft Limited","range":"174.132.0.0/16","log":"RIPE NCC"},{"id":40434,"date":"2025-05-19T14:31:15Z","type":"RESOURCE_TRANSFER","source_rir":"ARIN","recipient_rir":"RIPE NCC","source_org":"IBM Cloud","recipient_org":"Microsoft Limited","range":"174.132.0.0/16","log":"ARIN"},{"id":39127,"date":"2025-02-28T18:53:55Z","type":"MERGER_ACQUISITION","source_rir":"ARIN","recipient_rir":"ARIN","source_org":"SoftLayer Technologies Inc.","recipient_org":"IBM Cloud","range":"174.132.0.0/15","log":"ARIN"},{"id":9226,"date":"2017-04-11T17:08:52Z","type":"MERGER_ACQUISITION","source_rir":"ARIN","recipient_rir":"ARIN","source_org":"ThePlanet.com Internet Services, Inc.","recipient_org":"SoftLayer Technologies Inc.","range":"174.132.0.0/15","log":"ARIN"}],"events":[{"event_id":"67462b60109cc761","registry":"ARIN","report_date":"2025-05-19","source":"transfers","raw_action":"TRANSFER","raw_line":null,"resource_type":"ipv4","resource":"174.132.0.0/16","start":"174.132.0.0","end":"174.132.255.255","classification":"INTER_RIR_TRANSFER_OUT","classification_label":"Inter-RIR transfer out of ARIN","confidence":"CONFIRMED","source_rir":"ARIN","recipient_rir":"RIPE NCC","source_organization":"IBM Cloud","recipient_organization":"Microsoft Limited","inventory_effect":"Transferred out of ARIN administration; not offered to ARIN applicants","inventory_effect_code":"TRANSFER_OUT","provisional":false,"classifier_version":"1.4.0","classified_at":"2026-10-14T00:19:21+00:00","page":"https://rirtracker.com/ip/174.132.0.0-174.132.255.255/#e-67462b60109cc761","report_page":"https://rirtracker.com/arin/reports/2025-05-19/","evidence_url":"https://rirtracker.com/api/v1/resources/ip/174.132.0.0-174.132.255.255.json","observed":"Transfer: IBM Cloud (ARIN) to Microsoft Limited (RIPE NCC)","piece_of":{"resource":"174.132.0.0/15","page":"https://rirtracker.com/ip/174.132.0.0-174.133.255.255/"},"same_transfer_as":"445a9d2882690a7a","explanation":"ARIN's transfer log records a transfer from IBM Cloud (ARIN) to Microsoft Limited (RIPE NCC) on 2025-05-19 14:31 UTC: it left ARIN for the RIPE NCC. It is not a new allocation and is not offered to ARIN applicants.","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: RESOURCE_TRANSFER on 2025-05-19 14:31 UTC, IBM Cloud (ARIN) to Microsoft Limited (RIPE NCC); resources moved: 174.132.0.0/16"},{"type":"delegated_before","url":"https://ftp.arin.net/pub/stats/arin/archive/2025/delegated-arin-extended-20250518.gz","retrieved_at":"2026-10-13T00:00:06+00:00","summary":"ARIN delegated statistics 2025-05-18 (produced 2025-05-18T13:01:11+00:00), before the report: allocated (dated 2008-06-17)"},{"type":"delegated_after","url":"https://ftp.arin.net/pub/stats/arin/archive/2025/delegated-arin-extended-20250520.gz","retrieved_at":"2026-10-13T00:00:11+00:00","summary":"ARIN delegated statistics 2025-05-20 (produced 2025-05-20T13:01:14+00:00), after the report: not listed"}]},{"event_id":"445a9d2882690a7a","registry":"RIPE NCC","report_date":"2025-05-19","source":"transfers","raw_action":"TRANSFER","raw_line":null,"resource_type":"ipv4","resource":"174.132.0.0/16","start":"174.132.0.0","end":"174.132.255.255","classification":"INTER_RIR_TRANSFER_IN","classification_label":"Inter-RIR transfer into the RIPE NCC","confidence":"CONFIRMED","source_rir":"ARIN","recipient_rir":"RIPE NCC","source_organization":null,"recipient_organization":"Microsoft Limited","inventory_effect":"Transferred into RIPE NCC administration; not a new issuance","inventory_effect_code":"TRANSFER_IN","provisional":false,"classifier_version":"1.4.0","classified_at":"2026-10-13T23:50:27+00:00","page":"https://rirtracker.com/ip/174.132.0.0-174.132.255.255/#e-445a9d2882690a7a","report_page":"https://rirtracker.com/ripe/reports/2025-05-19/","evidence_url":"https://rirtracker.com/api/v1/resources/ip/174.132.0.0-174.132.255.255.json","observed":"Transfer: (no name) (ARIN) to Microsoft Limited (RIPE NCC)","same_transfer_as":"67462b60109cc761","explanation":"The RIPE NCC's transfer log records a transfer from an unnamed organization (ARIN) to Microsoft Limited (RIPE NCC) on 2025-05-19 19:00 UTC: it came to the 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":"2026-10-13T21:49:37+00:00","summary":"Transfer log: RESOURCE_TRANSFER on 2025-05-19 19:00 UTC, (no name) (ARIN) to Microsoft Limited (RIPE NCC); resources moved: 174.132.0.0/16"},{"type":"delegated_before","url":"https://ftp.ripe.net/pub/stats/ripencc/2025/delegated-ripencc-extended-20250518.bz2","retrieved_at":"2026-10-13T00:59:34+00:00","summary":"RIPE NCC delegated statistics 2025-05-18 (produced 2025-05-18T21:59:59+00:00), before the change: not listed"},{"type":"delegated_after","url":"https://ftp.ripe.net/pub/stats/ripencc/2025/delegated-ripencc-extended-20250519.bz2","retrieved_at":"2026-10-13T00:59:37+00:00","summary":"RIPE NCC delegated statistics 2025-05-19 (produced 2025-05-19T21:59:59+00:00), after the change: allocated (dated 2008-06-17)"}]}],"classification_history":{"67462b60109cc761":[{"raw_change_id":573673,"classification_code":"INTER_RIR_TRANSFER_OUT","confidence":"CONFIRMED","classifier_version":"1.4.0","classified_at":"2026-10-14T00:19:21+00:00","current":1,"public_explanation":"ARIN's transfer log records a transfer from IBM Cloud (ARIN) to Microsoft Limited (RIPE NCC) on 2025-05-19 14:31 UTC: it left ARIN for the RIPE NCC. It is not a new allocation and is not offered to ARIN applicants."}],"445a9d2882690a7a":[{"raw_change_id":113773,"classification_code":"INTER_RIR_TRANSFER_IN","confidence":"CONFIRMED","classifier_version":"1.3.0","classified_at":"2026-10-13T03:08:44+00:00","current":0,"public_explanation":"The RIPE NCC's transfer log records a transfer from an unnamed organization (ARIN) to Microsoft Limited (RIPE NCC) on 2025-05-19 19:00 UTC: it came to the RIPE NCC from ARIN. It was already issued by another registry, so this is not a new issuance."},{"raw_change_id":113773,"classification_code":"INTER_RIR_TRANSFER_IN","confidence":"CONFIRMED","classifier_version":"1.3.1","classified_at":"2026-10-13T08:05:00+00:00","current":0,"public_explanation":"The RIPE NCC's transfer log records a transfer from an unnamed organization (ARIN) to Microsoft Limited (RIPE NCC) on 2025-05-19 19:00 UTC: it came to the RIPE NCC from ARIN. 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