{"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":"AS11150","resource_type":"asn","page":"https://rirtracker.com/asn/11150/","statistics_now":{"registry":"ARIN","status":"assigned (dated 2025-12-15)"},"current_holder":{"rir":"ARIN","org":null,"how":"ARIN's latest statistics"},"rdap_snapshots":[],"transfers":[],"events":[{"event_id":"306a3e42e53a10d6","registry":"ARIN","report_date":"2025-12-15","source":"arin_issued","raw_action":"ADD","raw_line":"Add AS11150","resource_type":"asn","resource":"AS11150","start":11150,"end":11150,"classification":"APPARENT_REISSUANCE","classification_label":"Apparent reissuance of previously removed resource","confidence":"STRONG_INFERENCE","source_rir":null,"recipient_rir":null,"source_organization":null,"recipient_organization":null,"inventory_effect":"Likely issued from ARIN-controlled inventory","inventory_effect_code":"ISSUED","provisional":false,"classifier_version":"1.4.0","classified_at":"2026-10-13T23:54:41+00:00","page":"https://rirtracker.com/asn/11150/#e-306a3e42e53a10d6","report_page":"https://rirtracker.com/arin/reports/2025-12-15/","evidence_url":"https://rirtracker.com/api/v1/resources/asn/11150.json","explanation":"No transfer record matches. ARIN's statistics show it reserved on 2025-12-14 and assigned (dated 2025-12-15) on 2025-12-16. The tracker saw this range released from hold on 2025-12-01 (AS11150), so it appears to have been issued again from ARIN's pool.","evidence":[{"type":"arin_issued","url":"https://lists.arin.net/pipermail/arin-issued/2025-December/006211.html","retrieved_at":"2026-10-12T18:43:16+00:00","summary":"ARIN-Issued report for 2025-12-15: \"Add AS11150\""},{"type":"delegated_before","url":"https://ftp.arin.net/pub/stats/arin/archive/2025/delegated-arin-extended-20251214.gz","retrieved_at":"2026-10-13T00:11:51+00:00","summary":"ARIN delegated statistics 2025-12-14 (produced 2025-12-14T14:00:48+00:00), before the report: reserved"},{"type":"delegated_after","url":"https://ftp.arin.net/pub/stats/arin/archive/2025/delegated-arin-extended-20251216.gz","retrieved_at":"2026-10-13T00:11:56+00:00","summary":"ARIN delegated statistics 2025-12-16 (produced 2025-12-16T14:00:46+00:00), after the report: assigned (dated 2025-12-15)"}]},{"event_id":"fd93639a8c238203","registry":"ARIN","report_date":"2025-12-15","source":"arin_issued","raw_action":"REMOVE","raw_line":"Remove AS11150","resource_type":"asn","resource":"AS11150","start":11150,"end":11150,"classification":"POOL_RECORD_CHANGE","classification_label":"Change to ARIN's own pool record","confidence":"STRONG_INFERENCE","source_rir":null,"recipient_rir":null,"source_organization":null,"recipient_organization":null,"inventory_effect":"Part of the issuance reported the same day","inventory_effect_code":"PAIRED","provisional":false,"classifier_version":"1.4.0","classified_at":"2026-10-13T23:54:41+00:00","page":"https://rirtracker.com/asn/11150/#e-fd93639a8c238203","report_page":"https://rirtracker.com/arin/reports/2025-12-15/","evidence_url":"https://rirtracker.com/api/v1/resources/asn/11150.json","explanation":"ARIN's statistics show it reserved on 2025-12-14 and assigned (dated 2025-12-15) on 2025-12-16. ARIN removed its own pool record for this range as part of issuing it: the same report adds AS11150. The issuance is explained on that line.","evidence":[{"type":"arin_issued","url":"https://lists.arin.net/pipermail/arin-issued/2025-December/006211.html","retrieved_at":"2026-10-12T18:43:16+00:00","summary":"ARIN-Issued report for 2025-12-15: \"Remove AS11150\""},{"type":"delegated_before","url":"https://ftp.arin.net/pub/stats/arin/archive/2025/delegated-arin-extended-20251214.gz","retrieved_at":"2026-10-13T00:11:51+00:00","summary":"ARIN delegated statistics 2025-12-14 (produced 2025-12-14T14:00:48+00:00), before the report: reserved"},{"type":"delegated_after","url":"https://ftp.arin.net/pub/stats/arin/archive/2025/delegated-arin-extended-20251216.gz","retrieved_at":"2026-10-13T00:11:56+00:00","summary":"ARIN delegated statistics 2025-12-16 (produced 2025-12-16T14:00:46+00:00), after the report: assigned (dated 2025-12-15)"}]},{"event_id":"9522fb83726e678b","registry":"ARIN","report_date":"2025-12-01","source":"arin_issued","raw_action":"REMOVE","raw_line":"Remove AS11150","resource_type":"asn","resource":"AS11150","start":11150,"end":11150,"classification":"NO_MATERIAL_CHANGE","classification_label":"No substantive resource change found","confidence":"STRONG_INFERENCE","source_rir":null,"recipient_rir":null,"source_organization":null,"recipient_organization":null,"inventory_effect":"No effect on ARIN applicant inventory","inventory_effect_code":"NO_EFFECT","provisional":false,"classifier_version":"1.4.0","classified_at":"2026-10-13T23:54:40+00:00","page":"https://rirtracker.com/asn/11150/#e-9522fb83726e678b","report_page":"https://rirtracker.com/arin/reports/2025-12-01/","evidence_url":"https://rirtracker.com/api/v1/resources/asn/11150.json","explanation":"ARIN-Issued lists it as \"Remove\", but ARIN's statistics show the same record before and after (reserved).","evidence":[{"type":"arin_issued","url":"https://lists.arin.net/pipermail/arin-issued/2025-December/006197.html","retrieved_at":"2026-10-12T18:43:16+00:00","summary":"ARIN-Issued report for 2025-12-01: \"Remove AS11150\""},{"type":"delegated_before","url":"https://ftp.arin.net/pub/stats/arin/archive/2025/delegated-arin-extended-20251130.gz","retrieved_at":"2026-10-13T00:11:11+00:00","summary":"ARIN delegated statistics 2025-11-30 (produced 2025-11-30T14:00:49+00:00), before the report: reserved"},{"type":"delegated_after","url":"https://ftp.arin.net/pub/stats/arin/archive/2025/delegated-arin-extended-20251202.gz","retrieved_at":"2026-10-13T00:11:15+00:00","summary":"ARIN delegated statistics 2025-12-02 (produced 2025-12-02T14:00:48+00:00), after the report: reserved"}]},{"event_id":"c200ce901754342d","registry":"ARIN","report_date":"2025-03-10","source":"statistics","raw_action":"NOT_IN_ARIN_ISSUED","raw_line":null,"resource_type":"asn","resource":"AS11150","start":11150,"end":11150,"classification":"REMOVED_REASON_UNKNOWN","classification_label":"Removed (return, revocation or reclamation not publicly distinguishable)","confidence":"STRONG_INFERENCE","source_rir":null,"recipient_rir":null,"source_organization":null,"recipient_organization":null,"inventory_effect":"Possible future reissue candidate after hold","inventory_effect_code":"HOLD_CANDIDATE","provisional":false,"classifier_version":"1.4.0","classified_at":"2026-10-14T00:13:00+00:00","page":"https://rirtracker.com/asn/11150/#e-c200ce901754342d","report_page":"https://rirtracker.com/arin/reports/2025-03-10/","evidence_url":"https://rirtracker.com/api/v1/resources/asn/11150.json","observed":"AS11150 assigned on 2025-03-10, reserved on 2025-03-11","hold":{"hold_rule_source_url":"https://www.arin.net/resources/guide/request/#reissuing-returned-revoked-and-reclaimed-resources","hold_rule_months":6,"estimated_hold_end":"2025-09-10","availability_statement":"Possible reissue candidate after this date; not confirmed available","released_sooner_since":"2024-07-01"},"explanation":"Removed from active registration. ARIN-Issued didn't list this; the tracker found it by comparing ARIN's daily statistics. ARIN's statistics show it assigned (dated 2010-10-22) on 2025-03-09 and reserved on 2025-03-11. Public sources do not distinguish a voluntary return, revocation, or reclamation. ARIN holds returned, revoked and reclaimed ASNs for 6 calendar months before reissuing them, so the estimated hold end is 2025-09-10. This does not confirm availability. Since mid-2024, ARIN has released many ASNs within two months, before the 6 calendar months were up, so the release can come sooner.","evidence":[{"type":"statistics_diff","url":"https://ftp.arin.net/pub/stats/arin/archive/2025/delegated-arin-extended-20250311.gz","retrieved_at":"2026-10-12T23:56:14+00:00","summary":"Not listed in ARIN-Issued; found by comparing ARIN's daily statistics: AS11150 assigned on 2025-03-10, reserved on 2025-03-11"},{"type":"delegated_before","url":"https://ftp.arin.net/pub/stats/arin/archive/2025/delegated-arin-extended-20250309.gz","retrieved_at":"2026-10-12T23:56:09+00:00","summary":"ARIN delegated statistics 2025-03-09 (produced 2025-03-09T13:01:07+00:00), before the report: assigned (dated 2010-10-22)"},{"type":"delegated_after","url":"https://ftp.arin.net/pub/stats/arin/archive/2025/delegated-arin-extended-20250311.gz","retrieved_at":"2026-10-12T23:56:14+00:00","summary":"ARIN delegated statistics 2025-03-11 (produced 2025-03-11T13:01:06+00:00), after the report: reserved"}]},{"event_id":"fd793b38281574da","registry":"ARIN","report_date":"2009-10-21","source":"statistics","raw_action":"NOT_IN_ARIN_ISSUED","raw_line":null,"resource_type":"asn","resource":"AS11150","start":11150,"end":11150,"classification":"REMOVED_REASON_UNKNOWN","classification_label":"Removed (return, revocation or reclamation not publicly distinguishable)","confidence":"STRONG_INFERENCE","source_rir":null,"recipient_rir":null,"source_organization":null,"recipient_organization":null,"inventory_effect":"Possible future reissue candidate after hold","inventory_effect_code":"HOLD_CANDIDATE","provisional":false,"classifier_version":"1.4.0","classified_at":"2026-10-13T23:55:23+00:00","page":"https://rirtracker.com/asn/11150/#e-fd793b38281574da","report_page":"https://rirtracker.com/arin/reports/2009-10-21/","evidence_url":"https://rirtracker.com/api/v1/resources/asn/11150.json","observed":"AS11150 allocated on 2009-10-21, not listed on 2009-10-22","hold":{"hold_rule_source_url":"https://www.arin.net/resources/guide/request/#reissuing-returned-revoked-and-reclaimed-resources","hold_rule_months":6,"estimated_hold_end":"2010-04-21","availability_statement":"Possible reissue candidate after this date; not confirmed available"},"explanation":"Removed from active registration. ARIN-Issued didn't list this; the tracker found it by comparing ARIN's daily statistics. ARIN's statistics show it allocated (dated 2005-06-15) on 2009-10-20 and not issued on 2009-10-22. (Until 2013-03-05, ARIN's statistics list only what's issued.) Public sources do not distinguish a voluntary return, revocation, or reclamation. ARIN holds returned, revoked and reclaimed ASNs for 6 calendar months before reissuing them, so the estimated hold end is 2010-04-21. This does not confirm availability.","evidence":[{"type":"statistics_diff","url":"https://ftp.arin.net/pub/stats/arin/archive/2009/delegated-arin-20091022.gz","retrieved_at":"2026-10-12T18:56:43+00:00","summary":"Not listed in ARIN-Issued; found by comparing ARIN's daily statistics: AS11150 allocated on 2009-10-21, not listed on 2009-10-22"},{"type":"delegated_before","url":"https://ftp.arin.net/pub/stats/arin/archive/2009/delegated-arin-20091020.gz","retrieved_at":"2026-10-12T18:56:39+00:00","summary":"ARIN delegated statistics 2009-10-20, before the report: allocated (dated 2005-06-15)"},{"type":"delegated_after","url":"https://ftp.arin.net/pub/stats/arin/archive/2009/delegated-arin-20091022.gz","retrieved_at":"2026-10-12T18:56:43+00:00","summary":"ARIN delegated statistics 2009-10-22, after the report: not issued"}]}],"classification_history":{"306a3e42e53a10d6":[{"raw_change_id":198045,"classification_code":"APPARENT_REISSUANCE","confidence":"STRONG_INFERENCE","classifier_version":"1.3.0","classified_at":"2026-10-13T04:08:51+00:00","current":0,"public_explanation":"No transfer record matches. ARIN's statistics show it reserved on 2025-12-14 and assigned (dated 2025-12-15) on 2025-12-16. The tracker saw this range released from hold on 2025-12-01 (AS11150), so it appears to have been issued again from ARIN's pool."},{"raw_change_id":198045,"classification_code":"APPARENT_REISSUANCE","confidence":"STRONG_INFERENCE","classifier_version":"1.3.1","classified_at":"2026-10-13T08:08:10+00:00","current":0,"public_explanation":"No transfer record matches. ARIN's statistics show it reserved on 2025-12-14 and assigned (dated 2025-12-15) on 2025-12-16. The tracker saw this range released from hold on 2025-12-01 (AS11150), so it appears to have been issued again from ARIN's pool."},{"raw_change_id":198045,"classification_code":"APPARENT_REISSUANCE","confidence":"STRONG_INFERENCE","classifier_version":"1.3.2","classified_at":"2026-10-13T14:51:06+00:00","current":0,"public_explanation":"No transfer record matches. ARIN's statistics show it reserved on 2025-12-14 and assigned (dated 2025-12-15) on 2025-12-16. The tracker saw this range released from hold on 2025-12-01 (AS11150), so it appears to have been issued again from ARIN's pool."},{"raw_change_id":198045,"classification_code":"APPARENT_REISSUANCE","confidence":"STRONG_INFERENCE","classifier_version":"1.4.0","classified_at":"2026-10-13T23:54:41+00:00","current":1,"public_explanation":"No transfer record matches. ARIN's statistics show it reserved on 2025-12-14 and assigned (dated 2025-12-15) on 2025-12-16. The tracker saw this range released from hold on 2025-12-01 (AS11150), so it appears to have been issued again from ARIN's pool."}],"fd93639a8c238203":[{"raw_change_id":198044,"classification_code":"POOL_RECORD_CHANGE","confidence":"STRONG_INFERENCE","classifier_version":"1.3.0","classified_at":"2026-10-13T04:08:51+00:00","current":0,"public_explanation":"ARIN's statistics show it reserved on 2025-12-14 and assigned (dated 2025-12-15) on 2025-12-16. ARIN removed its own pool record for this range as part of issuing it: the same report adds AS11150. The issuance is explained on that line."},{"raw_change_id":198044,"classification_code":"POOL_RECORD_CHANGE","confidence":"STRONG_INFERENCE","classifier_version":"1.3.1","classified_at":"2026-10-13T08:08:10+00:00","current":0,"public_explanation":"ARIN's statistics show it reserved on 2025-12-14 and assigned (dated 2025-12-15) on 2025-12-16. ARIN removed its own pool record for this range as part of issuing it: the same report adds AS11150. The issuance is explained on that line."},{"raw_change_id":198044,"classification_code":"POOL_RECORD_CHANGE","confidence":"STRONG_INFERENCE","classifier_version":"1.3.2","classified_at":"2026-10-13T14:51:06+00:00","current":0,"public_explanation":"ARIN's statistics show it reserved on 2025-12-14 and assigned (dated 2025-12-15) on 2025-12-16. ARIN removed its own pool record for this range as part of issuing it: the same report adds AS11150. The issuance is explained on that line."},{"raw_change_id":198044,"classification_code":"POOL_RECORD_CHANGE","confidence":"STRONG_INFERENCE","classifier_version":"1.4.0","classified_at":"2026-10-13T23:54:41+00:00","current":1,"public_explanation":"ARIN's statistics show it reserved on 2025-12-14 and assigned (dated 2025-12-15) on 2025-12-16. ARIN removed its own pool record for this range as part of issuing it: the same report adds AS11150. The issuance is explained on that line."}],"9522fb83726e678b":[{"raw_change_id":197835,"classification_code":"NO_MATERIAL_CHANGE","confidence":"STRONG_INFERENCE","classifier_version":"1.3.0","classified_at":"2026-10-13T04:08:46+00:00","current":0,"public_explanation":"ARIN-Issued lists it as \"Remove\", but ARIN's statistics show the same record before and after (reserved)."},{"raw_change_id":197835,"classification_code":"NO_MATERIAL_CHANGE","confidence":"STRONG_INFERENCE","classifier_version":"1.3.1","classified_at":"2026-10-13T08:08:10+00:00","current":0,"public_explanation":"ARIN-Issued lists it as \"Remove\", but ARIN's statistics show the same record before and after (reserved)."},{"raw_change_id":197835,"classification_code":"NO_MATERIAL_CHANGE","confidence":"STRONG_INFERENCE","classifier_version":"1.3.2","classified_at":"2026-10-13T14:51:05+00:00","current":0,"public_explanation":"ARIN-Issued lists it as \"Remove\", but ARIN's statistics show the same record before and after (reserved)."},{"raw_change_id":197835,"classification_code":"NO_MATERIAL_CHANGE","confidence":"STRONG_INFERENCE","classifier_version":"1.4.0","classified_at":"2026-10-13T23:54:40+00:00","current":1,"public_explanation":"ARIN-Issued lists it as \"Remove\", but ARIN's statistics show the same record before and after (reserved)."}],"c200ce901754342d":[{"raw_change_id":476901,"classification_code":"REMOVED_REASON_UNKNOWN","confidence":"STRONG_INFERENCE","classifier_version":"1.3.0","classified_at":"2026-10-13T06:12:35+00:00","current":0,"public_explanation":"Removed from active registration. ARIN-Issued didn't list this; the tracker found it by comparing ARIN's daily statistics. ARIN's statistics show it assigned (dated 2010-10-22) on 2025-03-09 and reserved on 2025-03-11. Public sources do not distinguish a voluntary return, revocation, or reclamation. ARIN holds returned, revoked and reclaimed ASNs for 6 calendar months before reissuing them, so the earliest estimated hold expiration is 2025-09-10. This does not confirm availability."},{"raw_change_id":476901,"classification_code":"REMOVED_REASON_UNKNOWN","confidence":"STRONG_INFERENCE","classifier_version":"1.3.1","classified_at":"2026-10-13T08:23:32+00:00","current":0,"public_explanation":"Removed from active registration. ARIN-Issued didn't list this; the tracker found it by comparing ARIN's daily statistics. ARIN's statistics show it assigned (dated 2010-10-22) on 2025-03-09 and reserved on 2025-03-11. Public sources do not distinguish a voluntary return, revocation, or reclamation. ARIN holds returned, revoked and reclaimed ASNs for 6 calendar months before reissuing them, so the earliest estimated hold expiration is 2025-09-10. This does not confirm availability."},{"raw_change_id":476901,"classification_code":"REMOVED_REASON_UNKNOWN","confidence":"STRONG_INFERENCE","classifier_version":"1.3.2","classified_at":"2026-10-13T15:07:40+00:00","current":0,"public_explanation":"Removed from active registration. ARIN-Issued didn't list this; the tracker found it by comparing ARIN's daily statistics. ARIN's statistics show it assigned (dated 2010-10-22) on 2025-03-09 and reserved on 2025-03-11. Public sources do not distinguish a voluntary return, revocation, or reclamation. ARIN holds returned, revoked and reclaimed ASNs for 6 calendar months before reissuing them, so the earliest estimated hold expiration is 2025-09-10. This does not confirm availability."},{"raw_change_id":476901,"classification_code":"REMOVED_REASON_UNKNOWN","confidence":"STRONG_INFERENCE","classifier_version":"1.4.0","classified_at":"2026-10-14T00:13:00+00:00","current":1,"public_explanation":"Removed from active registration. ARIN-Issued didn't list this; the tracker found it by comparing ARIN's daily statistics. ARIN's statistics show it assigned (dated 2010-10-22) on 2025-03-09 and reserved on 2025-03-11. Public sources do not distinguish a voluntary return, revocation, or reclamation. ARIN holds returned, revoked and reclaimed ASNs for 6 calendar months before reissuing them, so the estimated hold end is 2025-09-10. This does not confirm availability. Since mid-2024, ARIN has released many ASNs within two months, before the 6 calendar months were up, so the release can come sooner."}],"fd793b38281574da":[{"raw_change_id":210766,"classification_code":"REMOVED_REASON_UNKNOWN","confidence":"STRONG_INFERENCE","classifier_version":"1.3.0","classified_at":"2026-10-13T04:12:45+00:00","current":0,"public_explanation":"Removed from active registration. ARIN-Issued didn't list this; the tracker found it by comparing ARIN's daily statistics. ARIN's statistics show it allocated (dated 2005-06-15) on 2009-10-20 and not issued on 2009-10-22. (Until 2013-03-05, ARIN's statistics list only what's issued.) Public sources do not distinguish a voluntary return, revocation, or reclamation. ARIN holds returned, revoked and reclaimed ASNs for 6 calendar months before reissuing them, so the earliest estimated hold expiration is 2010-04-21. This does not confirm availability."},{"raw_change_id":210766,"classification_code":"REMOVED_REASON_UNKNOWN","confidence":"STRONG_INFERENCE","classifier_version":"1.3.1","classified_at":"2026-10-13T08:08:47+00:00","current":0,"public_explanation":"Removed from active registration. ARIN-Issued didn't list this; the tracker found it by comparing ARIN's daily statistics. ARIN's statistics show it allocated (dated 2005-06-15) on 2009-10-20 and not issued on 2009-10-22. (Until 2013-03-05, ARIN's statistics list only what's issued.) Public sources do not distinguish a voluntary return, revocation, or reclamation. ARIN holds returned, revoked and reclaimed ASNs for 6 calendar months before reissuing them, so the earliest estimated hold expiration is 2010-04-21. This does not confirm availability."},{"raw_change_id":210766,"classification_code":"REMOVED_REASON_UNKNOWN","confidence":"STRONG_INFERENCE","classifier_version":"1.3.2","classified_at":"2026-10-13T14:51:46+00:00","current":0,"public_explanation":"Removed from active registration. ARIN-Issued didn't list this; the tracker found it by comparing ARIN's daily statistics. ARIN's statistics show it allocated (dated 2005-06-15) on 2009-10-20 and not issued on 2009-10-22. (Until 2013-03-05, ARIN's statistics list only what's issued.) Public sources do not distinguish a voluntary return, revocation, or reclamation. ARIN holds returned, revoked and reclaimed ASNs for 6 calendar months before reissuing them, so the earliest estimated hold expiration is 2010-04-21. This does not confirm availability."},{"raw_change_id":210766,"classification_code":"REMOVED_REASON_UNKNOWN","confidence":"STRONG_INFERENCE","classifier_version":"1.4.0","classified_at":"2026-10-13T23:55:23+00:00","current":1,"public_explanation":"Removed from active registration. ARIN-Issued didn't list this; the tracker found it by comparing ARIN's daily statistics. ARIN's statistics show it allocated (dated 2005-06-15) on 2009-10-20 and not issued on 2009-10-22. (Until 2013-03-05, ARIN's statistics list only what's issued.) Public sources do not distinguish a voluntary return, revocation, or reclamation. ARIN holds returned, revoked and reclaimed ASNs for 6 calendar months before reissuing them, so the estimated hold end is 2010-04-21. This does not confirm availability."}]},"arin_statistics_now":{"status":"assigned (dated 2025-12-15)"}}