{"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":"157.120.200.0/21","resource_type":"ipv4","page":"https://rirtracker.com/ip/157.120.200.0-157.120.207.255/","statistics_now":{"registry":"ARIN","status":"allocated (dated 2025-03-24)"},"current_holder":{"rir":"ARIN","org":"SM-1650","how":"ARIN's latest statistics and the latest transfer record"},"rdap_snapshots":[],"transfers":[{"id":130067,"date":"2025-03-25T00:18:25Z","type":"RESOURCE_TRANSFER","source_rir":"APNIC","recipient_rir":"ARIN","source_org":"Japan Network Information Center/interQ","recipient_org":"SM-1650","range":"157.120.200.0/21","log":"APNIC"},{"id":39729,"date":"2025-03-24T19:15:39Z","type":"RESOURCE_TRANSFER","source_rir":"APNIC","recipient_rir":"ARIN","source_org":"GMO Internet Group, Inc.","recipient_org":"Server Mania Inc.","range":"157.120.200.0/21","log":"ARIN"},{"id":18392,"date":"2019-07-03T12:31:55Z","type":"RESOURCE_TRANSFER","source_rir":"ARIN","recipient_rir":"APNIC","source_org":"GMO-Z.com USA, Inc.","recipient_org":"GMO internet, Inc.","range":"157.120.192.0/19","log":"ARIN"},{"id":126179,"date":"2019-07-03T06:09:05Z","type":"RESOURCE_TRANSFER","source_rir":"ARIN","recipient_rir":"APNIC","source_org":"GU-121","recipient_org":"Japan Network Information Center/interQ","range":"157.120.192.0/19","log":"APNIC"},{"id":17485,"date":"2019-04-22T14:48:58Z","type":"MERGER_ACQUISITION","source_rir":"ARIN","recipient_rir":"ARIN","source_org":"GMO DATA CENTER USA, INC.","recipient_org":"GMO-Z.com USA, Inc.","range":"157.120.192.0/19","log":"ARIN"},{"id":124220,"date":"2015-08-05T01:11:40Z","type":"RESOURCE_TRANSFER","source_rir":"APNIC","recipient_rir":"ARIN","source_org":"Japan Network Information Center/interQ","recipient_org":"GDCU","range":"157.120.192.0/19","log":"APNIC"},{"id":5871,"date":"2015-08-04T22:02:00Z","type":"RESOURCE_TRANSFER","source_rir":"APNIC","recipient_rir":"ARIN","source_org":null,"recipient_org":"GMO DATA CENTER USA, INC.","range":"157.120.192.0/19","log":"ARIN"},{"id":124172,"date":"2015-05-07T06:43:39Z","type":"RESOURCE_TRANSFER","source_rir":"APNIC","recipient_rir":"APNIC","source_org":"Japan Network Information Center/FSIABCNET","recipient_org":"Japan Network Information Center/interQ","range":"157.120.192.0/19","log":"APNIC"}],"events":[{"event_id":"fd6077a66ff962d5","registry":"APNIC","report_date":"2025-03-25","source":"transfers","raw_action":"TRANSFER","raw_line":null,"resource_type":"ipv4","resource":"157.120.200.0/21","start":"157.120.200.0","end":"157.120.207.255","classification":"INTER_RIR_TRANSFER_OUT","classification_label":"Inter-RIR transfer out of APNIC","confidence":"CONFIRMED","source_rir":"APNIC","recipient_rir":"ARIN","source_organization":"Japan Network Information Center/interQ","recipient_organization":"SM-1650","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":"2026-10-13T23:46:53+00:00","page":"https://rirtracker.com/ip/157.120.200.0-157.120.207.255/#e-fd6077a66ff962d5","report_page":"https://rirtracker.com/apnic/reports/2025-03-25/","evidence_url":"https://rirtracker.com/api/v1/resources/ip/157.120.200.0-157.120.207.255.json","observed":"Transfer: Japan Network Information Center/interQ (APNIC) to SM-1650 (ARIN)","same_transfer_as":"aa332c241ac0e081","explanation":"APNIC's transfer log records a transfer from Japan Network Information Center/interQ (APNIC) to SM-1650 (ARIN) on 2025-03-25 00:18 UTC: it left APNIC for ARIN. 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 2025-03-25 00:18 UTC, Japan Network Information Center/interQ (APNIC) to SM-1650 (ARIN); resources moved: 157.120.200.0/21"},{"type":"delegated_before","url":"https://ftp.apnic.net/stats/apnic/2025/delegated-apnic-extended-20250325.gz","retrieved_at":"2026-10-13T01:32:58+00:00","summary":"APNIC delegated statistics 2025-03-25, before the change: allocated (dated 2015-08-04)"},{"type":"delegated_after","url":"https://ftp.apnic.net/stats/apnic/2025/delegated-apnic-extended-20250326.gz","retrieved_at":"2026-10-13T01:33:15+00:00","summary":"APNIC delegated statistics 2025-03-26, after the change: not listed"}]},{"event_id":"aa332c241ac0e081","registry":"ARIN","report_date":"2025-03-24","source":"arin_issued","raw_action":"ADD","raw_line":"Add 157.120.200.0-157.120.207.255","resource_type":"ipv4","resource":"157.120.200.0/21","start":"157.120.200.0","end":"157.120.207.255","classification":"INTER_RIR_TRANSFER_IN","classification_label":"Inter-RIR transfer into ARIN","confidence":"CONFIRMED","source_rir":"APNIC","recipient_rir":"ARIN","source_organization":"GMO Internet Group, Inc.","recipient_organization":"Server Mania Inc.","inventory_effect":"Transferred into ARIN administration; not a new issuance","inventory_effect_code":"TRANSFER_IN","provisional":false,"classifier_version":"1.4.0","classified_at":"2026-10-13T23:54:25+00:00","page":"https://rirtracker.com/ip/157.120.200.0-157.120.207.255/#e-aa332c241ac0e081","report_page":"https://rirtracker.com/arin/reports/2025-03-24/","evidence_url":"https://rirtracker.com/api/v1/resources/ip/157.120.200.0-157.120.207.255.json","same_transfer_as":"fd6077a66ff962d5","explanation":"ARIN's transfer log records a transfer from GMO Internet Group, Inc. (APNIC) to Server Mania Inc. (ARIN) on 2025-03-24 19:15 UTC: it came to ARIN from APNIC. It was already issued by another registry, so this is not a new issuance.","evidence":[{"type":"arin_issued","url":"https://lists.arin.net/pipermail/arin-issued/2025-March/005945.html","retrieved_at":"2026-10-12T18:42:57+00:00","summary":"ARIN-Issued report for 2025-03-24: \"Add 157.120.200.0-157.120.207.255\""},{"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 2025-03-24 19:15 UTC, GMO Internet Group, Inc. (APNIC) to Server Mania Inc. (ARIN); resources moved: 157.120.200.0/21"},{"type":"delegated_before","url":"https://ftp.arin.net/pub/stats/arin/archive/2025/delegated-arin-extended-20250323.gz","retrieved_at":"2026-10-12T23:56:57+00:00","summary":"ARIN delegated statistics 2025-03-23 (produced 2025-03-23T13:01:06+00:00), before the report: not listed"},{"type":"delegated_after","url":"https://ftp.arin.net/pub/stats/arin/archive/2025/delegated-arin-extended-20250325.gz","retrieved_at":"2026-10-12T23:57:02+00:00","summary":"ARIN delegated statistics 2025-03-25 (produced 2025-03-25T13:01:07+00:00), after the report: allocated (dated 2025-03-24)"}]}],"classification_history":{"fd6077a66ff962d5":[{"raw_change_id":42162,"classification_code":"INTER_RIR_TRANSFER_OUT","confidence":"CONFIRMED","classifier_version":"1.3.0","classified_at":"2026-10-13T02:38:46+00:00","current":0,"public_explanation":"APNIC's transfer log records a transfer from Japan Network Information Center/interQ (APNIC) to SM-1650 (ARIN) on 2025-03-25 00:18 UTC: it left APNIC for ARIN. It is not a new allocation and is not offered to APNIC applicants."},{"raw_change_id":42162,"classification_code":"INTER_RIR_TRANSFER_OUT","confidence":"CONFIRMED","classifier_version":"1.3.1","classified_at":"2026-10-13T08:02:06+00:00","current":0,"public_explanation":"APNIC's transfer log records a transfer from Japan Network Information Center/interQ (APNIC) to SM-1650 (ARIN) on 2025-03-25 00:18 UTC: it left APNIC for ARIN. It is not a new allocation and is not offered to APNIC applicants."},{"raw_change_id":42162,"classification_code":"INTER_RIR_TRANSFER_OUT","confidence":"CONFIRMED","classifier_version":"1.3.2","classified_at":"2026-10-13T14:44:17+00:00","current":0,"public_explanation":"APNIC's transfer log records a transfer from Japan Network Information Center/interQ (APNIC) to SM-1650 (ARIN) on 2025-03-25 00:18 UTC: it left APNIC for ARIN. It is not a new allocation and is not offered to APNIC applicants."},{"raw_change_id":42162,"classification_code":"INTER_RIR_TRANSFER_OUT","confidence":"CONFIRMED","classifier_version":"1.4.0","classified_at":"2026-10-13T23:46:53+00:00","current":1,"public_explanation":"APNIC's transfer log records a transfer from Japan Network Information Center/interQ (APNIC) to SM-1650 (ARIN) on 2025-03-25 00:18 UTC: it left APNIC for ARIN. It is not a new allocation and is not offered to APNIC applicants."}],"aa332c241ac0e081":[{"raw_change_id":193272,"classification_code":"INTER_RIR_TRANSFER_IN","confidence":"CONFIRMED","classifier_version":"1.3.0","classified_at":"2026-10-13T04:06:10+00:00","current":0,"public_explanation":"ARIN's transfer log records a transfer from GMO Internet Group, Inc. (APNIC) to Server Mania Inc. (ARIN) on 2025-03-24 19:15 UTC: it came to ARIN from APNIC. It was already issued by another registry, so this is not a new issuance."},{"raw_change_id":193272,"classification_code":"INTER_RIR_TRANSFER_IN","confidence":"CONFIRMED","classifier_version":"1.3.1","classified_at":"2026-10-13T08:07:59+00:00","current":0,"public_explanation":"ARIN's transfer log records a transfer from GMO Internet Group, Inc. (APNIC) to Server Mania Inc. (ARIN) on 2025-03-24 19:15 UTC: it came to ARIN from APNIC. It was already issued by another registry, so this is not a new issuance."},{"raw_change_id":193272,"classification_code":"INTER_RIR_TRANSFER_IN","confidence":"CONFIRMED","classifier_version":"1.3.2","classified_at":"2026-10-13T14:50:53+00:00","current":0,"public_explanation":"ARIN's transfer log records a transfer from GMO Internet Group, Inc. (APNIC) to Server Mania Inc. (ARIN) on 2025-03-24 19:15 UTC: it came to ARIN from APNIC. It was already issued by another registry, so this is not a new issuance."},{"raw_change_id":193272,"classification_code":"INTER_RIR_TRANSFER_IN","confidence":"CONFIRMED","classifier_version":"1.4.0","classified_at":"2026-10-13T23:54:25+00:00","current":1,"public_explanation":"ARIN's transfer log records a transfer from GMO Internet Group, Inc. (APNIC) to Server Mania Inc. (ARIN) on 2025-03-24 19:15 UTC: it came to ARIN from APNIC. It was already issued by another registry, so this is not a new issuance."}]},"arin_statistics_now":{"status":"allocated (dated 2025-03-24)"}}