{"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":"131.213.0.0/16","resource_type":"ipv4","page":"https://rirtracker.com/ip/131.213.0.0-131.213.255.255/","statistics_now":{"registry":"APNIC","status":"allocated (dated 1989-01-18)"},"current_holder":{"rir":"APNIC","org":"Japan Network Information Center/so-net","how":"APNIC's latest statistics and the latest transfer record"},"rdap_snapshots":[],"transfers":[{"id":124190,"date":"2015-06-12T05:26:36Z","type":"RESOURCE_TRANSFER","source_rir":"APNIC","recipient_rir":"APNIC","source_org":"Beyond Excellent Technology Ltd","recipient_org":"Japan Network Information Center/so-net","range":"131.213.0.0/16","log":"APNIC"},{"id":5521,"date":"2014-09-29T16:41:00Z","type":"RESOURCE_TRANSFER","source_rir":"ARIN","recipient_rir":"APNIC","source_org":"Northern Telecom Electronics Limited","recipient_org":null,"range":"131.213.0.0/16","log":"ARIN"},{"id":124075,"date":"2014-09-26T06:07:47Z","type":"RESOURCE_TRANSFER","source_rir":"ARIN","recipient_rir":"APNIC","source_org":"NTCL","recipient_org":"Beyond Excellent Technology Ltd","range":"131.213.0.0/16","log":"APNIC"}],"events":[{"event_id":"19a07516d9159407","registry":"APNIC","report_date":"2015-06-12","source":"transfers","raw_action":"TRANSFER","raw_line":null,"resource_type":"ipv4","resource":"131.213.0.0/16","start":"131.213.0.0","end":"131.213.255.255","classification":"INTRA_RIR_TRANSFER","classification_label":"Intra-APNIC transfer","confidence":"CONFIRMED","source_rir":"APNIC","recipient_rir":"APNIC","source_organization":"Beyond Excellent Technology Ltd","recipient_organization":"Japan Network Information Center/so-net","inventory_effect":"No effect on APNIC applicant inventory","inventory_effect_code":"NO_EFFECT","provisional":false,"classifier_version":"1.4.0","classified_at":"2026-10-13T23:46:31+00:00","page":"https://rirtracker.com/ip/131.213.0.0-131.213.255.255/#e-19a07516d9159407","report_page":"https://rirtracker.com/apnic/reports/2015-06-12/","evidence_url":"https://rirtracker.com/api/v1/resources/ip/131.213.0.0-131.213.255.255.json","observed":"Transfer: Beyond Excellent Technology Ltd (APNIC) to Japan Network Information Center/so-net (APNIC)","explanation":"APNIC's transfer log records a transfer from Beyond Excellent Technology Ltd (APNIC) to Japan Network Information Center/so-net (APNIC) on 2015-06-12 05:26 UTC. The registration changed hands; it is not a new allocation from APNIC.","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 2015-06-12 05:26 UTC, Beyond Excellent Technology Ltd (APNIC) to Japan Network Information Center/so-net (APNIC); resources moved: 131.147.0.0/16, 131.213.0.0/16"},{"type":"delegated_before","url":"https://ftp.apnic.net/stats/apnic/2015/delegated-apnic-extended-20150612.gz","retrieved_at":"2026-10-12T21:18:00+00:00","summary":"APNIC delegated statistics 2015-06-12, before the change: allocated (dated 1989-01-18)"},{"type":"delegated_after","url":"https://ftp.apnic.net/stats/apnic/2015/delegated-apnic-extended-20150613.gz","retrieved_at":"2026-10-12T21:18:03+00:00","summary":"APNIC delegated statistics 2015-06-13, after the change: allocated (dated 1989-01-18)"}]},{"event_id":"f872dbf7998b23bd","registry":"ARIN","report_date":"2014-09-29","source":"statistics","raw_action":"NOT_IN_ARIN_ISSUED","raw_line":null,"resource_type":"ipv4","resource":"131.213.0.0/16","start":"131.213.0.0","end":"131.213.255.255","classification":"INTER_RIR_TRANSFER_OUT","classification_label":"Inter-RIR transfer out of ARIN","confidence":"CONFIRMED","source_rir":"ARIN","recipient_rir":"APNIC","source_organization":"Northern Telecom Electronics Limited","recipient_organization":null,"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":"2026-10-14T00:00:05+00:00","page":"https://rirtracker.com/ip/131.213.0.0-131.213.255.255/#e-f872dbf7998b23bd","report_page":"https://rirtracker.com/arin/reports/2014-09-29/","evidence_url":"https://rirtracker.com/api/v1/resources/ip/131.213.0.0-131.213.255.255.json","observed":"131.213.0.0/16 assigned on 2014-09-29, not listed on 2014-09-30","same_transfer_as":"e0211f825bc82875","explanation":"ARIN's transfer log records a transfer from Northern Telecom Electronics Limited (ARIN) to an unnamed organization (APNIC) on 2014-09-29 16:41 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/2014/delegated-arin-extended-20140930.gz","retrieved_at":"2026-10-12T20:41:46+00:00","summary":"Not listed in ARIN-Issued; found by comparing ARIN's daily statistics: 131.213.0.0/16 assigned on 2014-09-29, not listed on 2014-09-30"},{"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 2014-09-29 16:41 UTC, Northern Telecom Electronics Limited (ARIN) to (no name) (APNIC); resources moved: 131.213.0.0/16"},{"type":"delegated_before","url":"https://ftp.arin.net/pub/stats/arin/archive/2014/delegated-arin-extended-20140928.gz","retrieved_at":"2026-10-12T20:41:41+00:00","summary":"ARIN delegated statistics 2014-09-28 (produced 2014-09-28T05:04:13+00:00), before the report: assigned (dated 1989-01-18)"},{"type":"delegated_after","url":"https://ftp.arin.net/pub/stats/arin/archive/2014/delegated-arin-extended-20140930.gz","retrieved_at":"2026-10-12T20:41:46+00:00","summary":"ARIN delegated statistics 2014-09-30 (produced 2014-09-30T05:04:00+00:00), after the report: not listed"}]},{"event_id":"e0211f825bc82875","registry":"APNIC","report_date":"2014-09-26","source":"transfers","raw_action":"TRANSFER","raw_line":null,"resource_type":"ipv4","resource":"131.213.0.0/16","start":"131.213.0.0","end":"131.213.255.255","classification":"INTER_RIR_TRANSFER_IN","classification_label":"Inter-RIR transfer into APNIC","confidence":"CONFIRMED","source_rir":"ARIN","recipient_rir":"APNIC","source_organization":"NTCL","recipient_organization":"Beyond Excellent Technology Ltd","inventory_effect":"Transferred into APNIC administration; not a new issuance","inventory_effect_code":"TRANSFER_IN","provisional":false,"classifier_version":"1.4.0","classified_at":"2026-10-13T23:46:30+00:00","page":"https://rirtracker.com/ip/131.213.0.0-131.213.255.255/#e-e0211f825bc82875","report_page":"https://rirtracker.com/apnic/reports/2014-09-26/","evidence_url":"https://rirtracker.com/api/v1/resources/ip/131.213.0.0-131.213.255.255.json","observed":"Transfer: NTCL (ARIN) to Beyond Excellent Technology Ltd (APNIC)","same_transfer_as":"f872dbf7998b23bd","explanation":"APNIC's transfer log records a transfer from NTCL (ARIN) to Beyond Excellent Technology Ltd (APNIC) on 2014-09-26 06:07 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 2014-09-26 06:07 UTC, NTCL (ARIN) to Beyond Excellent Technology Ltd (APNIC); resources moved: 131.129.0.0/16, 131.147.0.0/16, 131.213.0.0/16, 137.74.0.0/16"},{"type":"delegated_before","url":"https://ftp.apnic.net/stats/apnic/2014/delegated-apnic-extended-20140926.gz","retrieved_at":"2026-10-12T21:02:14+00:00","summary":"APNIC delegated statistics 2014-09-26, before the change: not listed"},{"type":"delegated_after","url":"https://ftp.apnic.net/stats/apnic/2014/delegated-apnic-extended-20140927.gz","retrieved_at":"2026-10-12T21:02:21+00:00","summary":"APNIC delegated statistics 2014-09-27, after the change: allocated (dated 1989-01-18)"}]}],"classification_history":{"19a07516d9159407":[{"raw_change_id":32979,"classification_code":"INTRA_RIR_TRANSFER","confidence":"CONFIRMED","classifier_version":"1.3.0","classified_at":"2026-10-13T02:34:48+00:00","current":0,"public_explanation":"APNIC's transfer log records a transfer from Beyond Excellent Technology Ltd (APNIC) to Japan Network Information Center/so-net (APNIC) on 2015-06-12 05:26 UTC. The registration changed hands; it is not a new allocation from APNIC."},{"raw_change_id":32979,"classification_code":"INTRA_RIR_TRANSFER","confidence":"CONFIRMED","classifier_version":"1.3.1","classified_at":"2026-10-13T08:01:47+00:00","current":0,"public_explanation":"APNIC's transfer log records a transfer from Beyond Excellent Technology Ltd (APNIC) to Japan Network Information Center/so-net (APNIC) on 2015-06-12 05:26 UTC. The registration changed hands; it is not a new allocation from APNIC."},{"raw_change_id":32979,"classification_code":"INTRA_RIR_TRANSFER","confidence":"CONFIRMED","classifier_version":"1.3.2","classified_at":"2026-10-13T14:43:56+00:00","current":0,"public_explanation":"APNIC's transfer log records a transfer from Beyond Excellent Technology Ltd (APNIC) to Japan Network Information Center/so-net (APNIC) on 2015-06-12 05:26 UTC. The registration changed hands; it is not a new allocation from APNIC."},{"raw_change_id":32979,"classification_code":"INTRA_RIR_TRANSFER","confidence":"CONFIRMED","classifier_version":"1.4.0","classified_at":"2026-10-13T23:46:31+00:00","current":1,"public_explanation":"APNIC's transfer log records a transfer from Beyond Excellent Technology Ltd (APNIC) to Japan Network Information Center/so-net (APNIC) on 2015-06-12 05:26 UTC. The registration changed hands; it is not a new allocation from APNIC."}],"f872dbf7998b23bd":[{"raw_change_id":289731,"classification_code":"INTER_RIR_TRANSFER_OUT","confidence":"CONFIRMED","classifier_version":"1.3.0","classified_at":"2026-10-13T04:51:30+00:00","current":0,"public_explanation":"ARIN's transfer log records a transfer from Northern Telecom Electronics Limited (ARIN) to an unnamed organization (APNIC) on 2014-09-29 16:41 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":289731,"classification_code":"INTER_RIR_TRANSFER_OUT","confidence":"CONFIRMED","classifier_version":"1.3.1","classified_at":"2026-10-13T08:12:52+00:00","current":0,"public_explanation":"ARIN's transfer log records a transfer from Northern Telecom Electronics Limited (ARIN) to an unnamed organization (APNIC) on 2014-09-29 16:41 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":289731,"classification_code":"INTER_RIR_TRANSFER_OUT","confidence":"CONFIRMED","classifier_version":"1.3.2","classified_at":"2026-10-13T14:56:13+00:00","current":0,"public_explanation":"ARIN's transfer log records a transfer from Northern Telecom Electronics Limited (ARIN) to an unnamed organization (APNIC) on 2014-09-29 16:41 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":289731,"classification_code":"INTER_RIR_TRANSFER_OUT","confidence":"CONFIRMED","classifier_version":"1.4.0","classified_at":"2026-10-14T00:00:05+00:00","current":1,"public_explanation":"ARIN's transfer log records a transfer from Northern Telecom Electronics Limited (ARIN) to an unnamed organization (APNIC) on 2014-09-29 16:41 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."}],"e0211f825bc82875":[{"raw_change_id":32590,"classification_code":"INTER_RIR_TRANSFER_IN","confidence":"CONFIRMED","classifier_version":"1.3.0","classified_at":"2026-10-13T02:34:37+00:00","current":0,"public_explanation":"APNIC's transfer log records a transfer from NTCL (ARIN) to Beyond Excellent Technology Ltd (APNIC) on 2014-09-26 06:07 UTC: it came to APNIC from ARIN. It was already issued by another registry, so this is not a new issuance."},{"raw_change_id":32590,"classification_code":"INTER_RIR_TRANSFER_IN","confidence":"CONFIRMED","classifier_version":"1.3.1","classified_at":"2026-10-13T08:01:46+00:00","current":0,"public_explanation":"APNIC's transfer log records a transfer from NTCL (ARIN) to Beyond Excellent Technology Ltd (APNIC) on 2014-09-26 06:07 UTC: it came to APNIC from ARIN. It was already issued by another registry, so this is not a new issuance."},{"raw_change_id":32590,"classification_code":"INTER_RIR_TRANSFER_IN","confidence":"CONFIRMED","classifier_version":"1.3.2","classified_at":"2026-10-13T14:43:56+00:00","current":0,"public_explanation":"APNIC's transfer log records a transfer from NTCL (ARIN) to Beyond Excellent Technology Ltd (APNIC) on 2014-09-26 06:07 UTC: it came to APNIC from ARIN. It was already issued by another registry, so this is not a new issuance."},{"raw_change_id":32590,"classification_code":"INTER_RIR_TRANSFER_IN","confidence":"CONFIRMED","classifier_version":"1.4.0","classified_at":"2026-10-13T23:46:30+00:00","current":1,"public_explanation":"APNIC's transfer log records a transfer from NTCL (ARIN) to Beyond Excellent Technology Ltd (APNIC) on 2014-09-26 06:07 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"}}