{"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":"216.255.224.0/20","resource_type":"ipv4","page":"https://rirtracker.com/ip/216.255.224.0-216.255.239.255/","statistics_now":{"registry":"APNIC","status":"allocated (dated 2000-03-21)"},"current_holder":{"rir":"APNIC","org":"IDC Frontier Inc.","how":"APNIC's latest statistics and the latest transfer record"},"rdap_snapshots":[],"transfers":[{"id":19737,"date":"2020-01-13T16:10:14Z","type":"RESOURCE_TRANSFER","source_rir":"ARIN","recipient_rir":"APNIC","source_org":"Yahoo Japan Corporation","recipient_org":"IDC Frontier Inc.","range":"216.255.224.0/20","log":"ARIN"},{"id":126409,"date":"2020-01-13T06:25:12Z","type":"RESOURCE_TRANSFER","source_rir":"ARIN","recipient_rir":"APNIC","source_org":"YAHOO-9","recipient_org":"Japan Network Information Center/IDCFNet","range":"216.255.224.0/20","log":"APNIC"}],"events":[{"event_id":"ba4d40c1d7a06256","registry":"ARIN","report_date":"2020-01-13","source":"statistics","raw_action":"NOT_IN_ARIN_ISSUED","raw_line":null,"resource_type":"ipv4","resource":"216.255.224.0/20","start":"216.255.224.0","end":"216.255.239.255","classification":"INTER_RIR_TRANSFER_OUT","classification_label":"Inter-RIR transfer out of ARIN","confidence":"CONFIRMED","source_rir":"ARIN","recipient_rir":"APNIC","source_organization":"Yahoo Japan Corporation","recipient_organization":"IDC Frontier Inc.","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":"2026-10-14T00:06:25+00:00","page":"https://rirtracker.com/ip/216.255.224.0-216.255.239.255/#e-ba4d40c1d7a06256","report_page":"https://rirtracker.com/arin/reports/2020-01-13/","evidence_url":"https://rirtracker.com/api/v1/resources/ip/216.255.224.0-216.255.239.255.json","observed":"216.255.224.0/20 allocated on 2020-01-13, not listed on 2020-01-14","same_transfer_as":"ce5b4f0d6013001a","explanation":"ARIN's transfer log records a transfer from Yahoo Japan Corporation (ARIN) to IDC Frontier Inc. (APNIC) on 2020-01-13 16:10 UTC: it left ARIN for APNIC. 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/2020/delegated-arin-extended-20200114.gz","retrieved_at":"2026-10-12T22:17:33+00:00","summary":"Not listed in ARIN-Issued; found by comparing ARIN's daily statistics: 216.255.224.0/20 allocated on 2020-01-13, not listed on 2020-01-14"},{"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 2020-01-13 16:10 UTC, Yahoo Japan Corporation (ARIN) to IDC Frontier Inc. (APNIC); resources moved: 216.255.224.0/20"},{"type":"delegated_before","url":"https://ftp.arin.net/pub/stats/arin/archive/2020/delegated-arin-extended-20200112.gz","retrieved_at":"2026-10-12T22:17:28+00:00","summary":"ARIN delegated statistics 2020-01-12 (produced 2020-01-12T15:00:09+00:00), before the report: allocated (dated 2001-05-01)"},{"type":"delegated_after","url":"https://ftp.arin.net/pub/stats/arin/archive/2020/delegated-arin-extended-20200114.gz","retrieved_at":"2026-10-12T22:17:33+00:00","summary":"ARIN delegated statistics 2020-01-14 (produced 2020-01-14T15:00:09+00:00), after the report: not listed"}]},{"event_id":"ce5b4f0d6013001a","registry":"APNIC","report_date":"2020-01-13","source":"transfers","raw_action":"TRANSFER","raw_line":null,"resource_type":"ipv4","resource":"216.255.224.0/20","start":"216.255.224.0","end":"216.255.239.255","classification":"INTER_RIR_TRANSFER_IN","classification_label":"Inter-RIR transfer into APNIC","confidence":"CONFIRMED","source_rir":"ARIN","recipient_rir":"APNIC","source_organization":"YAHOO-9","recipient_organization":"Japan Network Information Center/IDCFNet","inventory_effect":"Transferred into APNIC administration; not a new issuance","inventory_effect_code":"TRANSFER_IN","provisional":false,"classifier_version":"1.4.0","classified_at":"2026-10-13T23:46:39+00:00","page":"https://rirtracker.com/ip/216.255.224.0-216.255.239.255/#e-ce5b4f0d6013001a","report_page":"https://rirtracker.com/apnic/reports/2020-01-13/","evidence_url":"https://rirtracker.com/api/v1/resources/ip/216.255.224.0-216.255.239.255.json","observed":"Transfer: YAHOO-9 (ARIN) to Japan Network Information Center/IDCFNet (APNIC)","same_transfer_as":"ba4d40c1d7a06256","explanation":"APNIC's transfer log records a transfer from YAHOO-9 (ARIN) to Japan Network Information Center/IDCFNet (APNIC) on 2020-01-13 06:25 UTC: it came to APNIC from ARIN. It was already issued by another registry, so this is not a new issuance.","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 2020-01-13 06:25 UTC, YAHOO-9 (ARIN) to Japan Network Information Center/IDCFNet (APNIC); resources moved: 64.56.160.0/19, 206.3.0.0/19, 216.255.224.0/20"},{"type":"delegated_before","url":"https://ftp.apnic.net/stats/apnic/2020/delegated-apnic-extended-20200113.gz","retrieved_at":"2026-10-12T23:10:24+00:00","summary":"APNIC delegated statistics 2020-01-13, before the change: not listed"},{"type":"delegated_after","url":"https://ftp.apnic.net/stats/apnic/2020/delegated-apnic-extended-20200114.gz","retrieved_at":"2026-10-12T23:10:27+00:00","summary":"APNIC delegated statistics 2020-01-14, after the change: allocated (dated 2000-03-21)"}]}],"classification_history":{"ba4d40c1d7a06256":[{"raw_change_id":387178,"classification_code":"INTER_RIR_TRANSFER_OUT","confidence":"CONFIRMED","classifier_version":"1.3.0","classified_at":"2026-10-13T05:34:02+00:00","current":0,"public_explanation":"ARIN's transfer log records a transfer from Yahoo Japan Corporation (ARIN) to IDC Frontier Inc. (APNIC) on 2020-01-13 16:10 UTC: it left ARIN for APNIC. ARIN-Issued didn't list this change; it is not a new allocation and is not offered to ARIN applicants."},{"raw_change_id":387178,"classification_code":"INTER_RIR_TRANSFER_OUT","confidence":"CONFIRMED","classifier_version":"1.3.1","classified_at":"2026-10-13T08:18:12+00:00","current":0,"public_explanation":"ARIN's transfer log records a transfer from Yahoo Japan Corporation (ARIN) to IDC Frontier Inc. (APNIC) on 2020-01-13 16:10 UTC: it left ARIN for APNIC. ARIN-Issued didn't list this change; it is not a new allocation and is not offered to ARIN applicants."},{"raw_change_id":387178,"classification_code":"INTER_RIR_TRANSFER_OUT","confidence":"CONFIRMED","classifier_version":"1.3.2","classified_at":"2026-10-13T15:01:56+00:00","current":0,"public_explanation":"ARIN's transfer log records a transfer from Yahoo Japan Corporation (ARIN) to IDC Frontier Inc. (APNIC) on 2020-01-13 16:10 UTC: it left ARIN for APNIC. ARIN-Issued didn't list this change; it is not a new allocation and is not offered to ARIN applicants."},{"raw_change_id":387178,"classification_code":"INTER_RIR_TRANSFER_OUT","confidence":"CONFIRMED","classifier_version":"1.4.0","classified_at":"2026-10-14T00:06:25+00:00","current":1,"public_explanation":"ARIN's transfer log records a transfer from Yahoo Japan Corporation (ARIN) to IDC Frontier Inc. (APNIC) on 2020-01-13 16:10 UTC: it left ARIN for APNIC. ARIN-Issued didn't list this change; it is not a new allocation and is not offered to ARIN applicants."}],"ce5b4f0d6013001a":[{"raw_change_id":36306,"classification_code":"INTER_RIR_TRANSFER_IN","confidence":"CONFIRMED","classifier_version":"1.3.0","classified_at":"2026-10-13T02:36:12+00:00","current":0,"public_explanation":"APNIC's transfer log records a transfer from YAHOO-9 (ARIN) to Japan Network Information Center/IDCFNet (APNIC) on 2020-01-13 06:25 UTC: it came to APNIC from ARIN. It was already issued by another registry, so this is not a new issuance."},{"raw_change_id":36306,"classification_code":"INTER_RIR_TRANSFER_IN","confidence":"CONFIRMED","classifier_version":"1.3.1","classified_at":"2026-10-13T08:01:54+00:00","current":0,"public_explanation":"APNIC's transfer log records a transfer from YAHOO-9 (ARIN) to Japan Network Information Center/IDCFNet (APNIC) on 2020-01-13 06:25 UTC: it came to APNIC from ARIN. It was already issued by another registry, so this is not a new issuance."},{"raw_change_id":36306,"classification_code":"INTER_RIR_TRANSFER_IN","confidence":"CONFIRMED","classifier_version":"1.3.2","classified_at":"2026-10-13T14:44:04+00:00","current":0,"public_explanation":"APNIC's transfer log records a transfer from YAHOO-9 (ARIN) to Japan Network Information Center/IDCFNet (APNIC) on 2020-01-13 06:25 UTC: it came to APNIC from ARIN. It was already issued by another registry, so this is not a new issuance."},{"raw_change_id":36306,"classification_code":"INTER_RIR_TRANSFER_IN","confidence":"CONFIRMED","classifier_version":"1.4.0","classified_at":"2026-10-13T23:46:39+00:00","current":1,"public_explanation":"APNIC's transfer log records a transfer from YAHOO-9 (ARIN) to Japan Network Information Center/IDCFNet (APNIC) on 2020-01-13 06:25 UTC: it came to APNIC from ARIN. It was already issued by another registry, so this is not a new issuance."}]},"arin_statistics_now":{"status":"not listed"}}