{"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":"AS15183","resource_type":"asn","page":"https://rirtracker.com/asn/15183/","statistics_now":{"registry":"ARIN","status":"assigned (dated 2024-01-31)"},"current_holder":{"rir":"ARIN","org":null,"how":"ARIN's latest statistics"},"rdap_snapshots":[],"transfers":[],"events":[{"event_id":"113e2baa8db2234f","registry":"ARIN","report_date":"2024-02-02","source":"arin_issued","raw_action":"REMOVE","raw_line":"Remove AS15183","resource_type":"asn","resource":"AS15183","start":15183,"end":15183,"classification":"POOL_RECORD_CHANGE","classification_label":"Change to ARIN's own pool record","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":"2026-10-13T23:53:58+00:00","page":"https://rirtracker.com/asn/15183/#e-113e2baa8db2234f","report_page":"https://rirtracker.com/arin/reports/2024-02-02/","evidence_url":"https://rirtracker.com/api/v1/resources/asn/15183.json","explanation":"ARIN's statistics show it reserved on 2024-02-01 and assigned (dated 2024-01-31) on 2024-02-03. ARIN removed its own pool record for this range and the range is now registered, but the same report doesn't list it as added.","evidence":[{"type":"arin_issued","url":"https://lists.arin.net/pipermail/arin-issued/2024-February/005530.html","retrieved_at":"2026-10-12T18:42:29+00:00","summary":"ARIN-Issued report for 2024-02-02: \"Remove AS15183\""},{"type":"delegated_before","url":"https://ftp.arin.net/pub/stats/arin/archive/2024/delegated-arin-extended-20240201.gz","retrieved_at":"2026-10-12T23:34:30+00:00","summary":"ARIN delegated statistics 2024-02-01 (produced 2024-02-01T14:00:43+00:00), before the report: reserved"},{"type":"delegated_after","url":"https://ftp.arin.net/pub/stats/arin/archive/2024/delegated-arin-extended-20240203.gz","retrieved_at":"2026-10-12T23:34:35+00:00","summary":"ARIN delegated statistics 2024-02-03 (produced 2024-02-03T14:00:43+00:00), after the report: assigned (dated 2024-01-31)"}]},{"event_id":"7aea7bcdb062e9c0","registry":"ARIN","report_date":"2023-04-10","source":"statistics","raw_action":"NOT_IN_ARIN_ISSUED","raw_line":null,"resource_type":"asn","resource":"AS15183","start":15183,"end":15183,"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":"2026-10-14T00:10:30+00:00","page":"https://rirtracker.com/asn/15183/#e-7aea7bcdb062e9c0","report_page":"https://rirtracker.com/arin/reports/2023-04-10/","evidence_url":"https://rirtracker.com/api/v1/resources/asn/15183.json","observed":"AS15183 assigned on 2023-04-10, reserved on 2023-04-11","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":"2023-10-10","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 assigned (dated 2012-11-29) on 2023-04-09 and reserved on 2023-04-11. 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 2023-10-10. This does not confirm availability.","evidence":[{"type":"statistics_diff","url":"https://ftp.arin.net/pub/stats/arin/archive/2023/delegated-arin-extended-20230411.gz","retrieved_at":"2026-10-12T23:18:52+00:00","summary":"Not listed in ARIN-Issued; found by comparing ARIN's daily statistics: AS15183 assigned on 2023-04-10, reserved on 2023-04-11"},{"type":"delegated_before","url":"https://ftp.arin.net/pub/stats/arin/archive/2023/delegated-arin-extended-20230409.gz","retrieved_at":"2026-10-12T23:18:47+00:00","summary":"ARIN delegated statistics 2023-04-09 (produced 2023-04-09T13:00:11+00:00), before the report: assigned (dated 2012-11-29)"},{"type":"delegated_after","url":"https://ftp.arin.net/pub/stats/arin/archive/2023/delegated-arin-extended-20230411.gz","retrieved_at":"2026-10-12T23:18:52+00:00","summary":"ARIN delegated statistics 2023-04-11 (produced 2023-04-11T13:00:11+00:00), after the report: reserved"}]},{"event_id":"0b3028f3716c944c","registry":"ARIN","report_date":"2012-08-22","source":"statistics","raw_action":"NOT_IN_ARIN_ISSUED","raw_line":null,"resource_type":"asn","resource":"AS15183","start":15183,"end":15183,"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":"2026-10-13T23:57:38+00:00","page":"https://rirtracker.com/asn/15183/#e-0b3028f3716c944c","report_page":"https://rirtracker.com/arin/reports/2012-08-22/","evidence_url":"https://rirtracker.com/api/v1/resources/asn/15183.json","observed":"AS15183 allocated on 2012-08-22, not listed on 2012-08-23","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":"2013-02-22","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 2000-03-30) on 2012-08-21 and not issued on 2012-08-23. (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 2013-02-22. This does not confirm availability.","evidence":[{"type":"statistics_diff","url":"https://ftp.arin.net/pub/stats/arin/archive/2012/delegated-arin-20120823.gz","retrieved_at":"2026-10-12T19:47:32+00:00","summary":"Not listed in ARIN-Issued; found by comparing ARIN's daily statistics: AS15183 allocated on 2012-08-22, not listed on 2012-08-23"},{"type":"delegated_before","url":"https://ftp.arin.net/pub/stats/arin/archive/2012/delegated-arin-20120821.gz","retrieved_at":"2026-10-12T19:47:27+00:00","summary":"ARIN delegated statistics 2012-08-21, before the report: allocated (dated 2000-03-30)"},{"type":"delegated_after","url":"https://ftp.arin.net/pub/stats/arin/archive/2012/delegated-arin-20120823.gz","retrieved_at":"2026-10-12T19:47:32+00:00","summary":"ARIN delegated statistics 2012-08-23, after the report: not issued"}]}],"classification_history":{"113e2baa8db2234f":[{"raw_change_id":185373,"classification_code":"POOL_RECORD_CHANGE","confidence":"OBSERVED_ONLY","classifier_version":"1.3.0","classified_at":"2026-10-13T04:01:02+00:00","current":0,"public_explanation":"ARIN's statistics show it reserved on 2024-02-01 and assigned (dated 2024-01-31) on 2024-02-03. ARIN removed its own pool record for this range and the range is now registered, but the same report doesn't list it as added."},{"raw_change_id":185373,"classification_code":"POOL_RECORD_CHANGE","confidence":"OBSERVED_ONLY","classifier_version":"1.3.1","classified_at":"2026-10-13T08:07:38+00:00","current":0,"public_explanation":"ARIN's statistics show it reserved on 2024-02-01 and assigned (dated 2024-01-31) on 2024-02-03. ARIN removed its own pool record for this range and the range is now registered, but the same report doesn't list it as added."},{"raw_change_id":185373,"classification_code":"POOL_RECORD_CHANGE","confidence":"OBSERVED_ONLY","classifier_version":"1.3.2","classified_at":"2026-10-13T14:50:29+00:00","current":0,"public_explanation":"ARIN's statistics show it reserved on 2024-02-01 and assigned (dated 2024-01-31) on 2024-02-03. ARIN removed its own pool record for this range and the range is now registered, but the same report doesn't list it as added."},{"raw_change_id":185373,"classification_code":"POOL_RECORD_CHANGE","confidence":"OBSERVED_ONLY","classifier_version":"1.4.0","classified_at":"2026-10-13T23:53:58+00:00","current":1,"public_explanation":"ARIN's statistics show it reserved on 2024-02-01 and assigned (dated 2024-01-31) on 2024-02-03. ARIN removed its own pool record for this range and the range is now registered, but the same report doesn't list it as added."}],"7aea7bcdb062e9c0":[{"raw_change_id":445252,"classification_code":"REMOVED_REASON_UNKNOWN","confidence":"STRONG_INFERENCE","classifier_version":"1.3.0","classified_at":"2026-10-13T05:58:47+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 assigned (dated 2012-11-29) on 2023-04-09 and reserved on 2023-04-11. 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 2023-10-10. This does not confirm availability."},{"raw_change_id":445252,"classification_code":"REMOVED_REASON_UNKNOWN","confidence":"STRONG_INFERENCE","classifier_version":"1.3.1","classified_at":"2026-10-13T08:21:34+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 2012-11-29) on 2023-04-09 and reserved on 2023-04-11. 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 2023-10-10. This does not confirm availability."},{"raw_change_id":445252,"classification_code":"REMOVED_REASON_UNKNOWN","confidence":"STRONG_INFERENCE","classifier_version":"1.3.2","classified_at":"2026-10-13T15:05:34+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 2012-11-29) on 2023-04-09 and reserved on 2023-04-11. 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 2023-10-10. This does not confirm availability."},{"raw_change_id":445252,"classification_code":"REMOVED_REASON_UNKNOWN","confidence":"STRONG_INFERENCE","classifier_version":"1.4.0","classified_at":"2026-10-14T00:10:30+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 2012-11-29) on 2023-04-09 and reserved on 2023-04-11. 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 2023-10-10. This does not confirm availability."}],"0b3028f3716c944c":[{"raw_change_id":249674,"classification_code":"REMOVED_REASON_UNKNOWN","confidence":"STRONG_INFERENCE","classifier_version":"1.3.0","classified_at":"2026-10-13T04:30:39+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 2000-03-30) on 2012-08-21 and not issued on 2012-08-23. (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 2013-02-22. This does not confirm availability."},{"raw_change_id":249674,"classification_code":"REMOVED_REASON_UNKNOWN","confidence":"STRONG_INFERENCE","classifier_version":"1.3.1","classified_at":"2026-10-13T08:10:44+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 2000-03-30) on 2012-08-21 and not issued on 2012-08-23. (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 2013-02-22. This does not confirm availability."},{"raw_change_id":249674,"classification_code":"REMOVED_REASON_UNKNOWN","confidence":"STRONG_INFERENCE","classifier_version":"1.3.2","classified_at":"2026-10-13T14:53:54+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 2000-03-30) on 2012-08-21 and not issued on 2012-08-23. (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 2013-02-22. This does not confirm availability."},{"raw_change_id":249674,"classification_code":"REMOVED_REASON_UNKNOWN","confidence":"STRONG_INFERENCE","classifier_version":"1.4.0","classified_at":"2026-10-13T23:57:38+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 2000-03-30) on 2012-08-21 and not issued on 2012-08-23. (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 2013-02-22. This does not confirm availability."}]},"arin_statistics_now":{"status":"assigned (dated 2024-01-31)"}}