{"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":"161.66.0.0/16","resource_type":"ipv4","page":"https://rirtracker.com/ip/161.66.0.0-161.66.255.255/","statistics_now":{"registry":"RIPE NCC","status":"allocated (dated 1992-06-11)"},"current_holder":{"rir":"RIPE NCC","org":"ORG-MA42-RIPE","how":"The RIPE NCC's latest statistics and the latest transfer record"},"rdap_snapshots":[],"transfers":[{"id":129485,"date":"2024-07-09T23:36:49Z","type":"RESOURCE_TRANSFER","source_rir":"APNIC","recipient_rir":"RIPE NCC","source_org":"The New Zealand Institute for Plant and Food Research","recipient_org":"ORG-MA42-RIPE","range":"161.66.0.0/16","log":"APNIC"},{"id":106652,"date":"2024-07-09T19:00:00Z","type":"RESOURCE_TRANSFER","source_rir":"APNIC","recipient_rir":"RIPE NCC","source_org":null,"recipient_org":"Microsoft Limited","range":"161.66.0.0/16","log":"RIPE NCC"}],"events":[{"event_id":"d14702036d60506d","registry":"APNIC","report_date":"2024-07-10","source":"transfers","raw_action":"TRANSFER","raw_line":null,"resource_type":"ipv4","resource":"161.66.0.0/16","start":"161.66.0.0","end":"161.66.255.255","classification":"INTER_RIR_TRANSFER_OUT","classification_label":"Inter-RIR transfer out of APNIC","confidence":"CONFIRMED","source_rir":"APNIC","recipient_rir":"RIPE NCC","source_organization":"The New Zealand Institute for Plant and Food Research","recipient_organization":"ORG-MA42-RIPE","inventory_effect":"Transferred out of APNIC administration; not offered to APNIC applicants","inventory_effect_code":"TRANSFER_OUT","provisional":false,"classifier_version":"1.4.0","classified_at":"2026-10-13T23:46:51+00:00","page":"https://rirtracker.com/ip/161.66.0.0-161.66.255.255/#e-d14702036d60506d","report_page":"https://rirtracker.com/apnic/reports/2024-07-10/","evidence_url":"https://rirtracker.com/api/v1/resources/ip/161.66.0.0-161.66.255.255.json","observed":"Transfer: The New Zealand Institute for Plant and Food Research (APNIC) to ORG-MA42-RIPE (RIPE NCC)","same_transfer_as":"7dad16815eb11c75","explanation":"APNIC's transfer log records a transfer from The New Zealand Institute for Plant and Food Research (APNIC) to ORG-MA42-RIPE (RIPE NCC) on 2024-07-09 23:36 UTC: it left APNIC for the RIPE NCC. It is not a new allocation and is not offered to APNIC applicants.","evidence":[{"type":"transfer","url":"https://ftp.apnic.net/stats/apnic/transfers/transfers_latest.json","retrieved_at":"2026-10-13T18:17:16+00:00","summary":"Transfer log: RESOURCE_TRANSFER on 2024-07-09 23:36 UTC, The New Zealand Institute for Plant and Food Research (APNIC) to ORG-MA42-RIPE (RIPE NCC); resources moved: 161.66.0.0/16"},{"type":"delegated_before","url":"https://ftp.apnic.net/stats/apnic/2024/delegated-apnic-extended-20240710.gz","retrieved_at":"2026-10-13T01:13:10+00:00","summary":"APNIC delegated statistics 2024-07-10, before the change: allocated (dated 1992-06-11)"},{"type":"delegated_after","url":"https://ftp.apnic.net/stats/apnic/2024/delegated-apnic-extended-20240711.gz","retrieved_at":"2026-10-13T01:13:14+00:00","summary":"APNIC delegated statistics 2024-07-11, after the change: not listed"}]},{"event_id":"7dad16815eb11c75","registry":"RIPE NCC","report_date":"2024-07-09","source":"transfers","raw_action":"TRANSFER","raw_line":null,"resource_type":"ipv4","resource":"161.66.0.0/16","start":"161.66.0.0","end":"161.66.255.255","classification":"INTER_RIR_TRANSFER_IN","classification_label":"Inter-RIR transfer into the RIPE NCC","confidence":"CONFIRMED","source_rir":"APNIC","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":"2026-10-13T23:50:06+00:00","page":"https://rirtracker.com/ip/161.66.0.0-161.66.255.255/#e-7dad16815eb11c75","report_page":"https://rirtracker.com/ripe/reports/2024-07-09/","evidence_url":"https://rirtracker.com/api/v1/resources/ip/161.66.0.0-161.66.255.255.json","observed":"Transfer: (no name) (APNIC) to Microsoft Limited (RIPE NCC)","same_transfer_as":"d14702036d60506d","explanation":"The RIPE NCC's transfer log records a transfer from an unnamed organization (APNIC) to Microsoft Limited (RIPE NCC) on 2024-07-09 19:00 UTC: it came to the RIPE NCC from APNIC. 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 2024-07-09 19:00 UTC, (no name) (APNIC) to Microsoft Limited (RIPE NCC); resources moved: 161.66.0.0/16"},{"type":"delegated_before","url":"https://ftp.ripe.net/pub/stats/ripencc/2024/delegated-ripencc-extended-20240708.bz2","retrieved_at":"2026-10-13T00:34:52+00:00","summary":"RIPE NCC delegated statistics 2024-07-08 (produced 2024-07-08T21:59:59+00:00), before the change: not listed"},{"type":"delegated_after","url":"https://ftp.ripe.net/pub/stats/ripencc/2024/delegated-ripencc-extended-20240709.bz2","retrieved_at":"2026-10-13T00:34:55+00:00","summary":"RIPE NCC delegated statistics 2024-07-09 (produced 2024-07-09T21:59:59+00:00), after the change: allocated (dated 1992-06-11)"}]}],"classification_history":{"d14702036d60506d":[{"raw_change_id":41030,"classification_code":"INTER_RIR_TRANSFER_OUT","confidence":"CONFIRMED","classifier_version":"1.3.0","classified_at":"2026-10-13T02:38:12+00:00","current":0,"public_explanation":"APNIC's transfer log records a transfer from The New Zealand Institute for Plant and Food Research (APNIC) to ORG-MA42-RIPE (RIPE NCC) on 2024-07-09 23:36 UTC: it left APNIC for the RIPE NCC. It is not a new allocation and is not offered to APNIC applicants."},{"raw_change_id":41030,"classification_code":"INTER_RIR_TRANSFER_OUT","confidence":"CONFIRMED","classifier_version":"1.3.1","classified_at":"2026-10-13T08:02:04+00:00","current":0,"public_explanation":"APNIC's transfer log records a transfer from The New Zealand Institute for Plant and Food Research (APNIC) to ORG-MA42-RIPE (RIPE NCC) on 2024-07-09 23:36 UTC: it left APNIC for the RIPE NCC. It is not a new allocation and is not offered to APNIC applicants."},{"raw_change_id":41030,"classification_code":"INTER_RIR_TRANSFER_OUT","confidence":"CONFIRMED","classifier_version":"1.3.2","classified_at":"2026-10-13T14:44:15+00:00","current":0,"public_explanation":"APNIC's transfer log records a transfer from The New Zealand Institute for Plant and Food Research (APNIC) to ORG-MA42-RIPE (RIPE NCC) on 2024-07-09 23:36 UTC: it left APNIC for the RIPE NCC. It is not a new allocation and is not offered to APNIC applicants."},{"raw_change_id":41030,"classification_code":"INTER_RIR_TRANSFER_OUT","confidence":"CONFIRMED","classifier_version":"1.4.0","classified_at":"2026-10-13T23:46:51+00:00","current":1,"public_explanation":"APNIC's transfer log records a transfer from The New Zealand Institute for Plant and Food Research (APNIC) to ORG-MA42-RIPE (RIPE NCC) on 2024-07-09 23:36 UTC: it left APNIC for the RIPE NCC. It is not a new allocation and is not offered to APNIC applicants."}],"7dad16815eb11c75":[{"raw_change_id":107248,"classification_code":"INTER_RIR_TRANSFER_IN","confidence":"CONFIRMED","classifier_version":"1.3.0","classified_at":"2026-10-13T03:05:50+00:00","current":0,"public_explanation":"The RIPE NCC's transfer log records a transfer from an unnamed organization (APNIC) to Microsoft Limited (RIPE NCC) on 2024-07-09 19:00 UTC: it came to the RIPE NCC from APNIC. It was already issued by another registry, so this is not a new issuance."},{"raw_change_id":107248,"classification_code":"INTER_RIR_TRANSFER_IN","confidence":"CONFIRMED","classifier_version":"1.3.1","classified_at":"2026-10-13T08:04:43+00:00","current":0,"public_explanation":"The RIPE NCC's transfer log records a transfer from an unnamed organization (APNIC) to Microsoft Limited (RIPE NCC) on 2024-07-09 19:00 UTC: it came to the RIPE NCC from APNIC. It was already issued by another registry, so this is not a new issuance."},{"raw_change_id":107248,"classification_code":"INTER_RIR_TRANSFER_IN","confidence":"CONFIRMED","classifier_version":"1.3.2","classified_at":"2026-10-13T14:47:13+00:00","current":0,"public_explanation":"The RIPE NCC's transfer log records a transfer from an unnamed organization (APNIC) to Microsoft Limited (RIPE NCC) on 2024-07-09 19:00 UTC: it came to the RIPE NCC from APNIC. It was already issued by another registry, so this is not a new issuance."},{"raw_change_id":107248,"classification_code":"INTER_RIR_TRANSFER_IN","confidence":"CONFIRMED","classifier_version":"1.4.0","classified_at":"2026-10-13T23:50:06+00:00","current":1,"public_explanation":"The RIPE NCC's transfer log records a transfer from an unnamed organization (APNIC) to Microsoft Limited (RIPE NCC) on 2024-07-09 19:00 UTC: it came to the RIPE NCC from APNIC. It was already issued by another registry, so this is not a new issuance."}]},"arin_statistics_now":{"status":"not listed"}}