{"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":"151.153.0.0/16","resource_type":"ipv4","page":"https://rirtracker.com/ip/151.153.0.0-151.153.255.255/","statistics_now":{"registry":"APNIC","status":"allocated (dated 1991-07-29)"},"current_holder":{"rir":"APNIC","org":"NAVER Business Platform Asia Pacific PTE. LTD","how":"APNIC's latest statistics and the latest transfer record"},"rdap_snapshots":[],"transfers":[{"id":20230,"date":"2020-03-12T14:41:07Z","type":"RESOURCE_TRANSFER","source_rir":"ARIN","recipient_rir":"APNIC","source_org":"FOLEY & LARDNER LLP","recipient_org":"NAVER Business Platform Asia Pacific PTE. LTD","range":"151.153.0.0/16","log":"ARIN"},{"id":126466,"date":"2020-03-12T04:25:41Z","type":"RESOURCE_TRANSFER","source_rir":"ARIN","recipient_rir":"APNIC","source_org":"FOLEYL-Z","recipient_org":"NAVER BUSINESS PLATFORM ASIA PACIFIC PTE. LTD.","range":"151.153.0.0/16","log":"APNIC"}],"events":[{"event_id":"8a438531f7283d40","registry":"ARIN","report_date":"2020-03-12","source":"statistics","raw_action":"NOT_IN_ARIN_ISSUED","raw_line":null,"resource_type":"ipv4","resource":"151.153.0.0/16","start":"151.153.0.0","end":"151.153.255.255","classification":"INTER_RIR_TRANSFER_OUT","classification_label":"Inter-RIR transfer out of ARIN","confidence":"CONFIRMED","source_rir":"ARIN","recipient_rir":"APNIC","source_organization":"FOLEY & LARDNER LLP","recipient_organization":"NAVER Business Platform Asia Pacific PTE. LTD","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":"2026-10-14T00:06:42+00:00","page":"https://rirtracker.com/ip/151.153.0.0-151.153.255.255/#e-8a438531f7283d40","report_page":"https://rirtracker.com/arin/reports/2020-03-12/","evidence_url":"https://rirtracker.com/api/v1/resources/ip/151.153.0.0-151.153.255.255.json","observed":"151.153.0.0/16 assigned on 2020-03-12, not listed on 2020-03-13","same_transfer_as":"f16a01ee82fe52b0","explanation":"ARIN's transfer log records a transfer from FOLEY & LARDNER LLP (ARIN) to NAVER Business Platform Asia Pacific PTE. LTD (APNIC) on 2020-03-12 14:41 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/2020/delegated-arin-extended-20200313.gz","retrieved_at":"2026-10-12T22:20:42+00:00","summary":"Not listed in ARIN-Issued; found by comparing ARIN's daily statistics: 151.153.0.0/16 assigned on 2020-03-12, not listed on 2020-03-13"},{"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 2020-03-12 14:41 UTC, FOLEY & LARDNER LLP (ARIN) to NAVER Business Platform Asia Pacific PTE. LTD (APNIC); resources moved: 151.153.0.0/16"},{"type":"delegated_before","url":"https://ftp.arin.net/pub/stats/arin/archive/2020/delegated-arin-extended-20200311.gz","retrieved_at":"2026-10-12T22:20:28+00:00","summary":"ARIN delegated statistics 2020-03-11 (produced 2020-03-11T14:00:13+00:00), before the report: assigned (dated 1991-07-30)"},{"type":"delegated_after","url":"https://ftp.arin.net/pub/stats/arin/archive/2020/delegated-arin-extended-20200313.gz","retrieved_at":"2026-10-12T22:20:42+00:00","summary":"ARIN delegated statistics 2020-03-13 (produced 2020-03-13T14:00:12+00:00), after the report: not listed"}]},{"event_id":"f16a01ee82fe52b0","registry":"APNIC","report_date":"2020-03-12","source":"transfers","raw_action":"TRANSFER","raw_line":null,"resource_type":"ipv4","resource":"151.153.0.0/16","start":"151.153.0.0","end":"151.153.255.255","classification":"INTER_RIR_TRANSFER_IN","classification_label":"Inter-RIR transfer into APNIC","confidence":"CONFIRMED","source_rir":"ARIN","recipient_rir":"APNIC","source_organization":"FOLEYL-Z","recipient_organization":"NAVER BUSINESS PLATFORM ASIA PACIFIC PTE. 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":"2026-10-13T23:46:39+00:00","page":"https://rirtracker.com/ip/151.153.0.0-151.153.255.255/#e-f16a01ee82fe52b0","report_page":"https://rirtracker.com/apnic/reports/2020-03-12/","evidence_url":"https://rirtracker.com/api/v1/resources/ip/151.153.0.0-151.153.255.255.json","observed":"Transfer: FOLEYL-Z (ARIN) to NAVER BUSINESS PLATFORM ASIA PACIFIC PTE. LTD. (APNIC)","same_transfer_as":"8a438531f7283d40","explanation":"APNIC's transfer log records a transfer from FOLEYL-Z (ARIN) to NAVER BUSINESS PLATFORM ASIA PACIFIC PTE. LTD. (APNIC) on 2020-03-12 04:25 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 2020-03-12 04:25 UTC, FOLEYL-Z (ARIN) to NAVER BUSINESS PLATFORM ASIA PACIFIC PTE. LTD. (APNIC); resources moved: 151.153.0.0/16"},{"type":"delegated_before","url":"https://ftp.apnic.net/stats/apnic/2020/delegated-apnic-extended-20200312.gz","retrieved_at":"2026-10-12T23:14:39+00:00","summary":"APNIC delegated statistics 2020-03-12, before the change: not listed"},{"type":"delegated_after","url":"https://ftp.apnic.net/stats/apnic/2020/delegated-apnic-extended-20200313.gz","retrieved_at":"2026-10-12T23:14:42+00:00","summary":"APNIC delegated statistics 2020-03-13, after the change: allocated (dated 1991-07-29)"}]}],"classification_history":{"8a438531f7283d40":[{"raw_change_id":391524,"classification_code":"INTER_RIR_TRANSFER_OUT","confidence":"CONFIRMED","classifier_version":"1.3.0","classified_at":"2026-10-13T05:35:25+00:00","current":0,"public_explanation":"ARIN's transfer log records a transfer from FOLEY & LARDNER LLP (ARIN) to NAVER Business Platform Asia Pacific PTE. LTD (APNIC) on 2020-03-12 14:41 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":391524,"classification_code":"INTER_RIR_TRANSFER_OUT","confidence":"CONFIRMED","classifier_version":"1.3.1","classified_at":"2026-10-13T08:18:26+00:00","current":0,"public_explanation":"ARIN's transfer log records a transfer from FOLEY & LARDNER LLP (ARIN) to NAVER Business Platform Asia Pacific PTE. LTD (APNIC) on 2020-03-12 14:41 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":391524,"classification_code":"INTER_RIR_TRANSFER_OUT","confidence":"CONFIRMED","classifier_version":"1.3.2","classified_at":"2026-10-13T15:02:11+00:00","current":0,"public_explanation":"ARIN's transfer log records a transfer from FOLEY & LARDNER LLP (ARIN) to NAVER Business Platform Asia Pacific PTE. LTD (APNIC) on 2020-03-12 14:41 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":391524,"classification_code":"INTER_RIR_TRANSFER_OUT","confidence":"CONFIRMED","classifier_version":"1.4.0","classified_at":"2026-10-14T00:06:42+00:00","current":1,"public_explanation":"ARIN's transfer log records a transfer from FOLEY & LARDNER LLP (ARIN) to NAVER Business Platform Asia Pacific PTE. LTD (APNIC) on 2020-03-12 14:41 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."}],"f16a01ee82fe52b0":[{"raw_change_id":36389,"classification_code":"INTER_RIR_TRANSFER_IN","confidence":"CONFIRMED","classifier_version":"1.3.0","classified_at":"2026-10-13T02:36:15+00:00","current":0,"public_explanation":"APNIC's transfer log records a transfer from FOLEYL-Z (ARIN) to NAVER BUSINESS PLATFORM ASIA PACIFIC PTE. LTD. (APNIC) on 2020-03-12 04:25 UTC: it came to APNIC from ARIN. It was already issued by another registry, so this is not a new issuance."},{"raw_change_id":36389,"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 FOLEYL-Z (ARIN) to NAVER BUSINESS PLATFORM ASIA PACIFIC PTE. LTD. (APNIC) on 2020-03-12 04:25 UTC: it came to APNIC from ARIN. It was already issued by another registry, so this is not a new issuance."},{"raw_change_id":36389,"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 FOLEYL-Z (ARIN) to NAVER BUSINESS PLATFORM ASIA PACIFIC PTE. LTD. (APNIC) on 2020-03-12 04:25 UTC: it came to APNIC from ARIN. It was already issued by another registry, so this is not a new issuance."},{"raw_change_id":36389,"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 FOLEYL-Z (ARIN) to NAVER BUSINESS PLATFORM ASIA PACIFIC PTE. LTD. (APNIC) on 2020-03-12 04:25 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"}}