{"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":"23.81.40.0/21","resource_type":"ipv4","page":"https://rirtracker.com/ip/23.81.40.0-23.81.47.255/","statistics_now":{"registry":"APNIC","status":"allocated (dated 2013-05-06)"},"current_holder":{"rir":"APNIC","org":"Leaseweb Japan K.K","how":"APNIC's latest statistics and the latest transfer record"},"rdap_snapshots":[],"transfers":[{"id":28424,"date":"2022-06-27T11:15:06Z","type":"RESOURCE_TRANSFER","source_rir":"ARIN","recipient_rir":"APNIC","source_org":"Leaseweb USA, Inc.","recipient_org":"Leaseweb Japan K.K","range":"23.81.40.0/21","log":"ARIN"},{"id":128034,"date":"2022-06-27T06:10:42Z","type":"RESOURCE_TRANSFER","source_rir":"ARIN","recipient_rir":"APNIC","source_org":"LU","recipient_org":"Leaseweb Japan K.K.","range":"23.81.40.0/21","log":"APNIC"},{"id":23808,"date":"2021-02-15T14:32:58Z","type":"MERGER_ACQUISITION","source_rir":"ARIN","recipient_rir":"ARIN","source_org":"Nobis Technology Group, LLC","recipient_org":"Leaseweb USA, Inc.","range":"23.80.0.0/15","log":"ARIN"}],"events":[{"event_id":"f00a13a205a39bfd","registry":"ARIN","report_date":"2022-06-27","source":"transfers","raw_action":"TRANSFER","raw_line":null,"resource_type":"ipv4","resource":"23.81.40.0/21","start":"23.81.40.0","end":"23.81.47.255","classification":"INTER_RIR_TRANSFER_OUT","classification_label":"Inter-RIR transfer out of ARIN","confidence":"CONFIRMED","source_rir":"ARIN","recipient_rir":"APNIC","source_organization":"Leaseweb USA, Inc.","recipient_organization":"Leaseweb Japan K.K","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":"2026-10-14T00:19:02+00:00","page":"https://rirtracker.com/ip/23.81.40.0-23.81.47.255/#e-f00a13a205a39bfd","report_page":"https://rirtracker.com/arin/reports/2022-06-27/","evidence_url":"https://rirtracker.com/api/v1/resources/ip/23.81.40.0-23.81.47.255.json","observed":"Transfer: Leaseweb USA, Inc. (ARIN) to Leaseweb Japan K.K (APNIC)","piece_of":{"resource":"23.80.0.0/14","page":"https://rirtracker.com/ip/23.80.0.0-23.83.255.255/"},"same_transfer_as":"bd892ce3d83511a6","explanation":"ARIN's transfer log records a transfer from Leaseweb USA, Inc. (ARIN) to Leaseweb Japan K.K (APNIC) on 2022-06-27 11:15 UTC: it left ARIN for APNIC. 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 2022-06-27 11:15 UTC, Leaseweb USA, Inc. (ARIN) to Leaseweb Japan K.K (APNIC); resources moved: 23.81.40.0/21"},{"type":"delegated_before","url":"https://ftp.arin.net/pub/stats/arin/archive/2022/delegated-arin-extended-20220626.gz","retrieved_at":"2026-10-12T23:03:33+00:00","summary":"ARIN delegated statistics 2022-06-26 (produced 2022-06-26T13:00:09+00:00), before the report: allocated (dated 2013-05-06)"},{"type":"delegated_after","url":"https://ftp.arin.net/pub/stats/arin/archive/2022/delegated-arin-extended-20220628.gz","retrieved_at":"2026-10-12T23:03:38+00:00","summary":"ARIN delegated statistics 2022-06-28 (produced 2022-06-28T13:00:08+00:00), after the report: not listed"}]},{"event_id":"bd892ce3d83511a6","registry":"APNIC","report_date":"2022-06-27","source":"transfers","raw_action":"TRANSFER","raw_line":null,"resource_type":"ipv4","resource":"23.81.40.0/21","start":"23.81.40.0","end":"23.81.47.255","classification":"INTER_RIR_TRANSFER_IN","classification_label":"Inter-RIR transfer into APNIC","confidence":"CONFIRMED","source_rir":"ARIN","recipient_rir":"APNIC","source_organization":"LU","recipient_organization":"Leaseweb Japan K.K.","inventory_effect":"Transferred into APNIC administration; not a new issuance","inventory_effect_code":"TRANSFER_IN","provisional":false,"classifier_version":"1.4.0","classified_at":"2026-10-13T23:46:45+00:00","page":"https://rirtracker.com/ip/23.81.40.0-23.81.47.255/#e-bd892ce3d83511a6","report_page":"https://rirtracker.com/apnic/reports/2022-06-27/","evidence_url":"https://rirtracker.com/api/v1/resources/ip/23.81.40.0-23.81.47.255.json","observed":"Transfer: LU (ARIN) to Leaseweb Japan K.K. (APNIC)","same_transfer_as":"f00a13a205a39bfd","explanation":"APNIC's transfer log records a transfer from LU (ARIN) to Leaseweb Japan K.K. (APNIC) on 2022-06-27 06:10 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 2022-06-27 06:10 UTC, LU (ARIN) to Leaseweb Japan K.K. (APNIC); resources moved: 23.81.40.0/21"},{"type":"delegated_before","url":"https://ftp.apnic.net/stats/apnic/2022/delegated-apnic-extended-20220627.gz","retrieved_at":"2026-10-13T00:15:39+00:00","summary":"APNIC delegated statistics 2022-06-27, before the change: not listed"},{"type":"delegated_after","url":"https://ftp.apnic.net/stats/apnic/2022/delegated-apnic-extended-20220628.gz","retrieved_at":"2026-10-13T00:15:42+00:00","summary":"APNIC delegated statistics 2022-06-28, after the change: allocated (dated 2013-05-06)"}]}],"classification_history":{"f00a13a205a39bfd":[{"raw_change_id":565911,"classification_code":"INTER_RIR_TRANSFER_OUT","confidence":"CONFIRMED","classifier_version":"1.4.0","classified_at":"2026-10-14T00:19:02+00:00","current":1,"public_explanation":"ARIN's transfer log records a transfer from Leaseweb USA, Inc. (ARIN) to Leaseweb Japan K.K (APNIC) on 2022-06-27 11:15 UTC: it left ARIN for APNIC. It is not a new allocation and is not offered to ARIN applicants."}],"bd892ce3d83511a6":[{"raw_change_id":38912,"classification_code":"INTER_RIR_TRANSFER_IN","confidence":"CONFIRMED","classifier_version":"1.3.0","classified_at":"2026-10-13T02:37:16+00:00","current":0,"public_explanation":"APNIC's transfer log records a transfer from LU (ARIN) to Leaseweb Japan K.K. (APNIC) on 2022-06-27 06:10 UTC: it came to APNIC from ARIN. It was already issued by another registry, so this is not a new issuance."},{"raw_change_id":38912,"classification_code":"INTER_RIR_TRANSFER_IN","confidence":"CONFIRMED","classifier_version":"1.3.1","classified_at":"2026-10-13T08:01:59+00:00","current":0,"public_explanation":"APNIC's transfer log records a transfer from LU (ARIN) to Leaseweb Japan K.K. (APNIC) on 2022-06-27 06:10 UTC: it came to APNIC from ARIN. It was already issued by another registry, so this is not a new issuance."},{"raw_change_id":38912,"classification_code":"INTER_RIR_TRANSFER_IN","confidence":"CONFIRMED","classifier_version":"1.3.2","classified_at":"2026-10-13T14:44:10+00:00","current":0,"public_explanation":"APNIC's transfer log records a transfer from LU (ARIN) to Leaseweb Japan K.K. (APNIC) on 2022-06-27 06:10 UTC: it came to APNIC from ARIN. It was already issued by another registry, so this is not a new issuance."},{"raw_change_id":38912,"classification_code":"INTER_RIR_TRANSFER_IN","confidence":"CONFIRMED","classifier_version":"1.4.0","classified_at":"2026-10-13T23:46:45+00:00","current":1,"public_explanation":"APNIC's transfer log records a transfer from LU (ARIN) to Leaseweb Japan K.K. (APNIC) on 2022-06-27 06:10 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"}}