{"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":"40.170.0.0/16","resource_type":"ipv4","page":"https://rirtracker.com/ip/40.170.0.0-40.170.255.255/","statistics_now":{"registry":"RIPE NCC","status":"allocated (dated 1991-04-23)"},"current_holder":{"rir":"RIPE NCC","org":"Microsoft Limited","how":"The RIPE NCC's latest statistics and the latest transfer record"},"rdap_snapshots":[],"transfers":[{"id":88965,"date":"2022-08-04T19:00:00Z","type":"RESOURCE_TRANSFER","source_rir":"ARIN","recipient_rir":"RIPE NCC","source_org":null,"recipient_org":"Microsoft Limited","range":"40.170.0.0/16","log":"RIPE NCC"},{"id":28662,"date":"2022-08-04T14:09:41Z","type":"RESOURCE_TRANSFER","source_rir":"ARIN","recipient_rir":"RIPE NCC","source_org":"Eli Lilly and Company","recipient_org":"Microsoft Limited [ORG-MA42-RIPE]","range":"40.170.0.0/16","log":"ARIN"}],"events":[{"event_id":"fff901d948bdbeee","registry":"RIPE NCC","report_date":"2022-08-04","source":"transfers","raw_action":"TRANSFER","raw_line":null,"resource_type":"ipv4","resource":"40.170.0.0/16","start":"40.170.0.0","end":"40.170.255.255","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":"2026-10-13T23:49:10+00:00","page":"https://rirtracker.com/ip/40.170.0.0-40.170.255.255/#e-fff901d948bdbeee","report_page":"https://rirtracker.com/ripe/reports/2022-08-04/","evidence_url":"https://rirtracker.com/api/v1/resources/ip/40.170.0.0-40.170.255.255.json","observed":"Transfer: (no name) (ARIN) to Microsoft Limited (RIPE NCC)","same_transfer_as":"467e94c152a878e2","explanation":"The RIPE NCC's transfer log records a transfer from an unnamed organization (ARIN) to Microsoft Limited (RIPE NCC) on 2022-08-04 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 2022-08-04 19:00 UTC, (no name) (ARIN) to Microsoft Limited (RIPE NCC); resources moved: 40.170.0.0/16"},{"type":"delegated_before","url":"https://ftp.ripe.net/pub/stats/ripencc/2022/delegated-ripencc-extended-20220803.bz2","retrieved_at":"2026-10-12T23:41:10+00:00","summary":"RIPE NCC delegated statistics 2022-08-03 (produced 2022-08-03T21:59:59+00:00), before the change: not listed"},{"type":"delegated_after","url":"https://ftp.ripe.net/pub/stats/ripencc/2022/delegated-ripencc-extended-20220804.bz2","retrieved_at":"2026-10-12T23:41:13+00:00","summary":"RIPE NCC delegated statistics 2022-08-04 (produced 2022-08-04T21:59:59+00:00), after the change: allocated (dated 1991-04-23)"}]}],"classification_history":{"fff901d948bdbeee":[{"raw_change_id":89307,"classification_code":"INTER_RIR_TRANSFER_IN","confidence":"CONFIRMED","classifier_version":"1.3.0","classified_at":"2026-10-13T02:58:11+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 2022-08-04 19:00 UTC: it came to the RIPE NCC from ARIN. 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It was already issued by another registry, so this is not a new issuance."},{"raw_change_id":89307,"classification_code":"INTER_RIR_TRANSFER_IN","confidence":"CONFIRMED","classifier_version":"1.4.0","classified_at":"2026-10-13T23:49:10+00:00","current":1,"public_explanation":"The RIPE NCC's transfer log records a transfer from an unnamed organization (ARIN) to Microsoft Limited (RIPE NCC) on 2022-08-04 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."}]},"arin_statistics_now":{"status":"not listed"}}