{"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":"157.250.128.0/17","resource_type":"ipv4","page":"https://rirtracker.com/ip/157.250.128.0-157.250.255.255/","statistics_now":{"registry":"ARIN","status":"allocated (dated 2025-04-07) (only part of the range)"},"current_holder":{"rir":null,"org":null,"how":null},"rdap_snapshots":[],"transfers":[{"id":131871,"date":"2026-09-30T17:08:18Z","type":"RESOURCE_TRANSFER","source_rir":"APNIC","recipient_rir":"APNIC","source_org":"Rebyc Inc.","recipient_org":"Spaceman Co. Ltd.","range":"157.250.176.0/20","log":"APNIC"},{"id":131740,"date":"2026-06-29T07:52:52Z","type":"RESOURCE_TRANSFER","source_rir":"APNIC","recipient_rir":"APNIC","source_org":"Rebyc Inc.","recipient_org":"Japan Network Information Center/tdnc","range":"157.250.128.0/19","log":"APNIC"},{"id":130104,"date":"2025-04-07T23:22:32Z","type":"RESOURCE_TRANSFER","source_rir":"APNIC","recipient_rir":"ARIN","source_org":"Rebyc Inc.","recipient_org":"INTER-83","range":"157.250.192.0/20","log":"APNIC"},{"id":39989,"date":"2025-04-07T20:05:12Z","type":"RESOURCE_TRANSFER","source_rir":"APNIC","recipient_rir":"ARIN","source_org":"Rebyc Inc.","recipient_org":"Interserver, Inc","range":"157.250.192.0/20","log":"ARIN"},{"id":129313,"date":"2024-04-22T23:54:12Z","type":"RESOURCE_TRANSFER","source_rir":"APNIC","recipient_rir":"RIPE NCC","source_org":"Rebyc Inc.","recipient_org":"ORG-TA906-RIPE","range":"157.250.160.0/20","log":"APNIC"},{"id":104911,"date":"2024-04-22T19:00:00Z","type":"RESOURCE_TRANSFER","source_rir":"APNIC","recipient_rir":"RIPE NCC","source_org":null,"recipient_org":"Cibicom A/S","range":"157.250.160.0/20","log":"RIPE NCC"},{"id":127336,"date":"2021-07-02T05:05:52Z","type":"RESOURCE_TRANSFER","source_rir":"APNIC","recipient_rir":"APNIC","source_org":"Rebyc Inc.","recipient_org":"Japan Network Information Center/qtnet","range":"157.250.208.0/20","log":"APNIC"},{"id":126576,"date":"2020-07-20T05:25:31Z","type":"RESOURCE_TRANSFER","source_rir":"APNIC","recipient_rir":"APNIC","source_org":"Rebyc Inc.","recipient_org":"Japan Network Information Center/fitweb","range":"157.250.224.0/20","log":"APNIC"},{"id":125393,"date":"2017-06-28T23:59:34Z","type":"RESOURCE_TRANSFER","source_rir":"APNIC","recipient_rir":"APNIC","source_org":"Rebyc Inc.","recipient_org":"Japan Network Information Center/catvwink","range":"157.250.240.0/20","log":"APNIC"},{"id":5417,"date":"2013-04-22T15:32:00Z","type":"RESOURCE_TRANSFER","source_rir":"ARIN","recipient_rir":"APNIC","source_org":"Arbella Mutual Ins.","recipient_org":null,"range":"157.250.128.0/17","log":"ARIN"},{"id":123855,"date":"2013-04-19T03:43:41Z","type":"RESOURCE_TRANSFER","source_rir":"ARIN","recipient_rir":"APNIC","source_org":"ArbellaMutualIns","recipient_org":"Elmedia Co.,Ltd.","range":"157.250.128.0/17","log":"APNIC"}],"events":[{"event_id":"551c680a9d3a66de","registry":"ARIN","report_date":"2013-04-22","source":"statistics","raw_action":"NOT_IN_ARIN_ISSUED","raw_line":null,"resource_type":"ipv4","resource":"157.250.128.0/17","start":"157.250.128.0","end":"157.250.255.255","classification":"INTER_RIR_TRANSFER_OUT","classification_label":"Inter-RIR transfer out of ARIN","confidence":"CONFIRMED","source_rir":"ARIN","recipient_rir":"APNIC","source_organization":"Arbella Mutual Ins.","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":"2026-10-13T23:58:07+00:00","page":"https://rirtracker.com/ip/157.250.128.0-157.250.255.255/#e-551c680a9d3a66de","report_page":"https://rirtracker.com/arin/reports/2013-04-22/","evidence_url":"https://rirtracker.com/api/v1/resources/ip/157.250.128.0-157.250.255.255.json","observed":"157.250.128.0/17 assigned on 2013-04-22, not listed on 2013-04-23","same_transfer_as":"642fe4faab372576","explanation":"ARIN's transfer log records a transfer from Arbella Mutual Ins. (ARIN) to an unnamed organization (APNIC) on 2013-04-22 15:32 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/2013/delegated-arin-extended-20130423.gz","retrieved_at":"2026-10-12T19:57:49+00:00","summary":"Not listed in ARIN-Issued; found by comparing ARIN's daily statistics: 157.250.128.0/17 assigned on 2013-04-22, not listed on 2013-04-23"},{"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 2013-04-22 15:32 UTC, Arbella Mutual Ins. (ARIN) to (no name) (APNIC); resources moved: 157.250.128.0/17"},{"type":"delegated_before","url":"https://ftp.arin.net/pub/stats/arin/archive/2013/delegated-arin-extended-20130421.gz","retrieved_at":"2026-10-12T19:57:44+00:00","summary":"ARIN delegated statistics 2013-04-21 (produced 2013-04-21T05:05:40+00:00), before the report: assigned (dated 1990-07-15)"},{"type":"delegated_after","url":"https://ftp.arin.net/pub/stats/arin/archive/2013/delegated-arin-extended-20130423.gz","retrieved_at":"2026-10-12T19:57:49+00:00","summary":"ARIN delegated statistics 2013-04-23 (produced 2013-04-23T05:05:57+00:00), after the report: not listed"}]},{"event_id":"642fe4faab372576","registry":"APNIC","report_date":"2013-04-19","source":"transfers","raw_action":"TRANSFER","raw_line":null,"resource_type":"ipv4","resource":"157.250.128.0/17","start":"157.250.128.0","end":"157.250.255.255","classification":"INTER_RIR_TRANSFER_IN","classification_label":"Inter-RIR transfer into APNIC","confidence":"CONFIRMED","source_rir":"ARIN","recipient_rir":"APNIC","source_organization":"ArbellaMutualIns","recipient_organization":"Elmedia Co.,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":"2026-10-13T23:46:29+00:00","page":"https://rirtracker.com/ip/157.250.128.0-157.250.255.255/#e-642fe4faab372576","report_page":"https://rirtracker.com/apnic/reports/2013-04-19/","evidence_url":"https://rirtracker.com/api/v1/resources/ip/157.250.128.0-157.250.255.255.json","observed":"Transfer: ArbellaMutualIns (ARIN) to Elmedia Co.,Ltd. (APNIC)","same_transfer_as":"551c680a9d3a66de","explanation":"APNIC's transfer log records a transfer from ArbellaMutualIns (ARIN) to Elmedia Co.,Ltd. (APNIC) on 2013-04-19 03:43 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 2013-04-19 03:43 UTC, ArbellaMutualIns (ARIN) to Elmedia Co.,Ltd. (APNIC); resources moved: 157.250.128.0/17"},{"type":"delegated_before","url":"https://ftp.apnic.net/stats/apnic/2013/delegated-apnic-extended-20130419.gz","retrieved_at":"2026-10-12T20:31:11+00:00","summary":"APNIC delegated statistics 2013-04-19, before the change: not listed"},{"type":"delegated_after","url":"https://ftp.apnic.net/stats/apnic/2013/delegated-apnic-extended-20130420.gz","retrieved_at":"2026-10-12T20:31:14+00:00","summary":"APNIC delegated statistics 2013-04-20, after the change: allocated (dated 1992-02-07)"}]},{"event_id":"5484fad5272d0cae","registry":"ARIN","report_date":"2013-01-22","source":"arin_issued","raw_action":"ADD","raw_line":"Add 157.250.128.0-157.250.255.255","resource_type":"ipv4","resource":"157.250.128.0/17","start":"157.250.128.0","end":"157.250.255.255","classification":"UNRESOLVED","classification_label":"Unresolved change","confidence":"OBSERVED_ONLY","source_rir":null,"recipient_rir":null,"source_organization":null,"recipient_organization":null,"inventory_effect":"Inventory effect unknown","inventory_effect_code":"UNKNOWN","provisional":false,"classifier_version":"1.4.0","classified_at":"2026-10-13T23:51:03+00:00","page":"https://rirtracker.com/ip/157.250.128.0-157.250.255.255/#e-5484fad5272d0cae","report_page":"https://rirtracker.com/arin/reports/2013-01-22/","evidence_url":"https://rirtracker.com/api/v1/resources/ip/157.250.128.0-157.250.255.255.json","explanation":"No transfer record matches. ARIN's statistics show it assigned (dated 2012-09-07) on 2013-01-21 and assigned (dated 2013-01-22) on 2013-01-23. (Until 2013-03-05, ARIN's statistics list only what's issued.) The registration was replaced with one for a different holder record, and public sources don't say why (a transfer not yet logged, a return and reissue, or an organization record change).","evidence":[{"type":"arin_issued","url":"https://lists.arin.net/pipermail/arin-issued/2013-January/001503.html","retrieved_at":"2026-10-12T18:37:48+00:00","summary":"ARIN-Issued report for 2013-01-22: \"Add 157.250.128.0-157.250.255.255\""},{"type":"delegated_before","url":"https://ftp.arin.net/pub/stats/arin/archive/2013/delegated-arin-20130121.gz","retrieved_at":"2026-10-12T19:53:48+00:00","summary":"ARIN delegated statistics 2013-01-21, before the report: assigned (dated 2012-09-07)"},{"type":"delegated_after","url":"https://ftp.arin.net/pub/stats/arin/archive/2013/delegated-arin-20130123.gz","retrieved_at":"2026-10-12T19:53:52+00:00","summary":"ARIN delegated statistics 2013-01-23, after the report: assigned (dated 2013-01-22)"}]}],"classification_history":{"551c680a9d3a66de":[{"raw_change_id":257839,"classification_code":"INTER_RIR_TRANSFER_OUT","confidence":"CONFIRMED","classifier_version":"1.3.0","classified_at":"2026-10-13T04:34:44+00:00","current":0,"public_explanation":"ARIN's transfer log records a transfer from Arbella Mutual Ins. (ARIN) to an unnamed organization (APNIC) on 2013-04-22 15:32 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":257839,"classification_code":"INTER_RIR_TRANSFER_OUT","confidence":"CONFIRMED","classifier_version":"1.3.1","classified_at":"2026-10-13T08:11:10+00:00","current":0,"public_explanation":"ARIN's transfer log records a transfer from Arbella Mutual Ins. (ARIN) to an unnamed organization (APNIC) on 2013-04-22 15:32 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":257839,"classification_code":"INTER_RIR_TRANSFER_OUT","confidence":"CONFIRMED","classifier_version":"1.3.2","classified_at":"2026-10-13T14:54:21+00:00","current":0,"public_explanation":"ARIN's transfer log records a transfer from Arbella Mutual Ins. (ARIN) to an unnamed organization (APNIC) on 2013-04-22 15:32 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":257839,"classification_code":"INTER_RIR_TRANSFER_OUT","confidence":"CONFIRMED","classifier_version":"1.4.0","classified_at":"2026-10-13T23:58:07+00:00","current":1,"public_explanation":"ARIN's transfer log records a transfer from Arbella Mutual Ins. (ARIN) to an unnamed organization (APNIC) on 2013-04-22 15:32 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."}],"642fe4faab372576":[{"raw_change_id":32193,"classification_code":"INTER_RIR_TRANSFER_IN","confidence":"CONFIRMED","classifier_version":"1.3.0","classified_at":"2026-10-13T02:34:24+00:00","current":0,"public_explanation":"APNIC's transfer log records a transfer from ArbellaMutualIns (ARIN) to Elmedia Co.,Ltd. (APNIC) on 2013-04-19 03:43 UTC: it came to APNIC from ARIN. It was already issued by another registry, so this is not a new issuance."},{"raw_change_id":32193,"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 ArbellaMutualIns (ARIN) to Elmedia Co.,Ltd. (APNIC) on 2013-04-19 03:43 UTC: it came to APNIC from ARIN. It was already issued by another registry, so this is not a new issuance."},{"raw_change_id":32193,"classification_code":"INTER_RIR_TRANSFER_IN","confidence":"CONFIRMED","classifier_version":"1.3.2","classified_at":"2026-10-13T14:43:55+00:00","current":0,"public_explanation":"APNIC's transfer log records a transfer from ArbellaMutualIns (ARIN) to Elmedia Co.,Ltd. (APNIC) on 2013-04-19 03:43 UTC: it came to APNIC from ARIN. It was already issued by another registry, so this is not a new issuance."},{"raw_change_id":32193,"classification_code":"INTER_RIR_TRANSFER_IN","confidence":"CONFIRMED","classifier_version":"1.4.0","classified_at":"2026-10-13T23:46:29+00:00","current":1,"public_explanation":"APNIC's transfer log records a transfer from ArbellaMutualIns (ARIN) to Elmedia Co.,Ltd. (APNIC) on 2013-04-19 03:43 UTC: it came to APNIC from ARIN. It was already issued by another registry, so this is not a new issuance."}],"5484fad5272d0cae":[{"raw_change_id":127900,"classification_code":"UNRESOLVED","confidence":"OBSERVED_ONLY","classifier_version":"1.3.0","classified_at":"2026-10-13T03:19:28+00:00","current":0,"public_explanation":"No transfer record matches. ARIN's statistics show it assigned (dated 2012-09-07) on 2013-01-21 and assigned (dated 2013-01-22) on 2013-01-23. (Until 2013-03-05, ARIN's statistics list only what's issued.) The registration was replaced with one for a different holder record, and public sources don't say why (a transfer not yet logged, a return and reissue, or an organization record change)."},{"raw_change_id":127900,"classification_code":"UNRESOLVED","confidence":"OBSERVED_ONLY","classifier_version":"1.3.1","classified_at":"2026-10-13T08:05:27+00:00","current":0,"public_explanation":"No transfer record matches. ARIN's statistics show it assigned (dated 2012-09-07) on 2013-01-21 and assigned (dated 2013-01-22) on 2013-01-23. (Until 2013-03-05, ARIN's statistics list only what's issued.) The registration was replaced with one for a different holder record, and public sources don't say why (a transfer not yet logged, a return and reissue, or an organization record change)."},{"raw_change_id":127900,"classification_code":"UNRESOLVED","confidence":"OBSERVED_ONLY","classifier_version":"1.3.2","classified_at":"2026-10-13T14:48:02+00:00","current":0,"public_explanation":"No transfer record matches. ARIN's statistics show it assigned (dated 2012-09-07) on 2013-01-21 and assigned (dated 2013-01-22) on 2013-01-23. (Until 2013-03-05, ARIN's statistics list only what's issued.) The registration was replaced with one for a different holder record, and public sources don't say why (a transfer not yet logged, a return and reissue, or an organization record change)."},{"raw_change_id":127900,"classification_code":"UNRESOLVED","confidence":"OBSERVED_ONLY","classifier_version":"1.4.0","classified_at":"2026-10-13T23:51:03+00:00","current":1,"public_explanation":"No transfer record matches. ARIN's statistics show it assigned (dated 2012-09-07) on 2013-01-21 and assigned (dated 2013-01-22) on 2013-01-23. (Until 2013-03-05, ARIN's statistics list only what's issued.) The registration was replaced with one for a different holder record, and public sources don't say why (a transfer not yet logged, a return and reissue, or an organization record change)."}]},"arin_statistics_now":{"status":"allocated (dated 2025-04-07) (only part of the range)"}}