{"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":"40.170.0.0/15","resource_type":"ipv4","page":"https://rirtracker.com/ip/40.170.0.0-40.171.255.255/","statistics_now":{"registry":"RIPE NCC","status":"allocated (dated 1991-04-23)"},"current_holder":{"rir":"RIPE NCC","org":"Microsoft Limited [ORG-MA42-RIPE]","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":88966,"date":"2022-08-04T19:00:00Z","type":"RESOURCE_TRANSFER","source_rir":"ARIN","recipient_rir":"RIPE NCC","source_org":null,"recipient_org":"Microsoft Limited","range":"40.171.0.0/16","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"},{"id":28663,"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":"40.171.0.0/16","log":"ARIN"}],"events":[{"event_id":"467e94c152a878e2","registry":"ARIN","report_date":"2022-08-04","source":"statistics","raw_action":"NOT_IN_ARIN_ISSUED","raw_line":null,"resource_type":"ipv4","resource":"40.170.0.0/15","start":"40.170.0.0","end":"40.171.255.255","classification":"INTER_RIR_TRANSFER_OUT","classification_label":"Inter-RIR transfer out of ARIN","confidence":"CONFIRMED","source_rir":"ARIN","recipient_rir":"RIPE NCC","source_organization":"Eli Lilly and Company","recipient_organization":"Microsoft Limited [ORG-MA42-RIPE]","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":"2026-10-14T00:09:32+00:00","page":"https://rirtracker.com/ip/40.170.0.0-40.171.255.255/#e-467e94c152a878e2","report_page":"https://rirtracker.com/arin/reports/2022-08-04/","evidence_url":"https://rirtracker.com/api/v1/resources/ip/40.170.0.0-40.171.255.255.json","observed":"40.170.0.0/15 allocated on 2022-08-04, not listed on 2022-08-05","same_transfer_as":"fff901d948bdbeee","explanation":"ARIN's transfer log records a transfer from Eli Lilly and Company (ARIN) to Microsoft Limited [ORG-MA42-RIPE] (RIPE NCC), recorded as 2 transfer records that together cover exactly this range, on 2022-08-04 14:09 UTC: it left ARIN for the RIPE NCC. ARIN-Issued didn't list this change; it is not a new allocation and is not offered to ARIN applicants.","evidence":[{"type":"statistics_diff","url":"https://ftp.arin.net/pub/stats/arin/archive/2022/delegated-arin-extended-20220805.gz","retrieved_at":"2026-10-12T23:05:41+00:00","summary":"Not listed in ARIN-Issued; found by comparing ARIN's daily statistics: 40.170.0.0/15 allocated on 2022-08-04, not listed on 2022-08-05"},{"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 2022-08-04 14:09 UTC, Eli Lilly and Company (ARIN) to Microsoft Limited [ORG-MA42-RIPE] (RIPE NCC); resources moved: 40.170.0.0/16"},{"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 2022-08-04 14:09 UTC, Eli Lilly and Company (ARIN) to Microsoft Limited [ORG-MA42-RIPE] (RIPE NCC); resources moved: 40.171.0.0/16"},{"type":"delegated_before","url":"https://ftp.arin.net/pub/stats/arin/archive/2022/delegated-arin-extended-20220803.gz","retrieved_at":"2026-10-12T23:05:36+00:00","summary":"ARIN delegated statistics 2022-08-03 (produced 2022-08-03T13:00:11+00:00), before the report: allocated (dated 1991-04-23)"},{"type":"delegated_after","url":"https://ftp.arin.net/pub/stats/arin/archive/2022/delegated-arin-extended-20220805.gz","retrieved_at":"2026-10-12T23:05:41+00:00","summary":"ARIN delegated statistics 2022-08-05 (produced 2022-08-05T13:00:11+00:00), after the report: not listed"}]}],"classification_history":{"467e94c152a878e2":[{"raw_change_id":431257,"classification_code":"INTER_RIR_TRANSFER_OUT","confidence":"CONFIRMED","classifier_version":"1.3.0","classified_at":"2026-10-13T05:52:42+00:00","current":0,"public_explanation":"ARIN's transfer log records a transfer from Eli Lilly and Company (ARIN) to Microsoft Limited [ORG-MA42-RIPE] (RIPE NCC), recorded as 2 transfer records that together cover exactly this range, on 2022-08-04 14:09 UTC: it left ARIN for the RIPE NCC. ARIN-Issued didn't list this change; it is not a new allocation and is not offered to ARIN applicants."},{"raw_change_id":431257,"classification_code":"INTER_RIR_TRANSFER_OUT","confidence":"CONFIRMED","classifier_version":"1.3.1","classified_at":"2026-10-13T08:20:46+00:00","current":0,"public_explanation":"ARIN's transfer log records a transfer from Eli Lilly and Company (ARIN) to Microsoft Limited [ORG-MA42-RIPE] (RIPE NCC), recorded as 2 transfer records that together cover exactly this range, on 2022-08-04 14:09 UTC: it left ARIN for the RIPE NCC. ARIN-Issued didn't list this change; it is not a new allocation and is not offered to ARIN applicants."},{"raw_change_id":431257,"classification_code":"INTER_RIR_TRANSFER_OUT","confidence":"CONFIRMED","classifier_version":"1.3.2","classified_at":"2026-10-13T15:04:42+00:00","current":0,"public_explanation":"ARIN's transfer log records a transfer from Eli Lilly and Company (ARIN) to Microsoft Limited [ORG-MA42-RIPE] (RIPE NCC), recorded as 2 transfer records that together cover exactly this range, on 2022-08-04 14:09 UTC: it left ARIN for the RIPE NCC. ARIN-Issued didn't list this change; it is not a new allocation and is not offered to ARIN applicants."},{"raw_change_id":431257,"classification_code":"INTER_RIR_TRANSFER_OUT","confidence":"CONFIRMED","classifier_version":"1.4.0","classified_at":"2026-10-14T00:09:32+00:00","current":1,"public_explanation":"ARIN's transfer log records a transfer from Eli Lilly and Company (ARIN) to Microsoft Limited [ORG-MA42-RIPE] (RIPE NCC), recorded as 2 transfer records that together cover exactly this range, on 2022-08-04 14:09 UTC: it left ARIN for the RIPE NCC. ARIN-Issued didn't list this change; it is not a new allocation and is not offered to ARIN applicants."}]},"arin_statistics_now":{"status":"not listed"}}