{"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":"AS40503","resource_type":"asn","page":"https://rirtracker.com/asn/40503/","statistics_now":{"registry":"ARIN","status":"assigned (dated 2023-08-29)"},"current_holder":{"rir":"ARIN","org":null,"how":"ARIN's latest statistics"},"rdap_snapshots":[],"transfers":[],"events":[{"event_id":"551857564185afcc","registry":"ARIN","report_date":"2023-08-29","source":"arin_issued","raw_action":"ADD","raw_line":"Add AS40503","resource_type":"asn","resource":"AS40503","start":40503,"end":40503,"classification":"RESTORED","classification_label":"Restored to the same holder","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":"2026-10-13T23:53:49+00:00","page":"https://rirtracker.com/asn/40503/#e-551857564185afcc","report_page":"https://rirtracker.com/arin/reports/2023-08-29/","evidence_url":"https://rirtracker.com/api/v1/resources/asn/40503.json","explanation":"No transfer record matches. ARIN's statistics show it reserved on 2023-08-28 and assigned (dated 2023-08-29) on 2023-08-30. The tracker saw it removed from registration on 2022-04-11 (505 days earlier), and it is back with the same holder record it had before, so it went back to its previous holder rather than to a new one: most likely a suspension lifted, a reinstatement or a correction.","evidence":[{"type":"arin_issued","url":"https://lists.arin.net/pipermail/arin-issued/2023-August/005373.html","retrieved_at":"2026-10-12T18:42:16+00:00","summary":"ARIN-Issued report for 2023-08-29: \"Add AS40503\""},{"type":"delegated_before","url":"https://ftp.arin.net/pub/stats/arin/archive/2023/delegated-arin-extended-20230828.gz","retrieved_at":"2026-10-12T23:26:11+00:00","summary":"ARIN delegated statistics 2023-08-28 (produced 2023-08-28T13:00:13+00:00), before the report: reserved"},{"type":"delegated_after","url":"https://ftp.arin.net/pub/stats/arin/archive/2023/delegated-arin-extended-20230830.gz","retrieved_at":"2026-10-12T23:26:16+00:00","summary":"ARIN delegated statistics 2023-08-30 (produced 2023-08-30T13:00:13+00:00), after the report: assigned (dated 2023-08-29)"}]},{"event_id":"c784207973a6f472","registry":"ARIN","report_date":"2023-08-29","source":"arin_issued","raw_action":"REMOVE","raw_line":"Remove AS40503","resource_type":"asn","resource":"AS40503","start":40503,"end":40503,"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":"2026-10-13T23:53:49+00:00","page":"https://rirtracker.com/asn/40503/#e-c784207973a6f472","report_page":"https://rirtracker.com/arin/reports/2023-08-29/","evidence_url":"https://rirtracker.com/api/v1/resources/asn/40503.json","explanation":"ARIN's statistics show it reserved on 2023-08-28 and assigned (dated 2023-08-29) on 2023-08-30. ARIN removed its own pool record for this range as part of issuing it: the same report adds AS40503. The issuance is explained on that line.","evidence":[{"type":"arin_issued","url":"https://lists.arin.net/pipermail/arin-issued/2023-August/005373.html","retrieved_at":"2026-10-12T18:42:16+00:00","summary":"ARIN-Issued report for 2023-08-29: \"Remove AS40503\""},{"type":"delegated_before","url":"https://ftp.arin.net/pub/stats/arin/archive/2023/delegated-arin-extended-20230828.gz","retrieved_at":"2026-10-12T23:26:11+00:00","summary":"ARIN delegated statistics 2023-08-28 (produced 2023-08-28T13:00:13+00:00), before the report: reserved"},{"type":"delegated_after","url":"https://ftp.arin.net/pub/stats/arin/archive/2023/delegated-arin-extended-20230830.gz","retrieved_at":"2026-10-12T23:26:16+00:00","summary":"ARIN delegated statistics 2023-08-30 (produced 2023-08-30T13:00:13+00:00), after the report: assigned (dated 2023-08-29)"}]},{"event_id":"98fda90e386d0d62","registry":"ARIN","report_date":"2022-04-11","source":"statistics","raw_action":"NOT_IN_ARIN_ISSUED","raw_line":null,"resource_type":"asn","resource":"AS40503","start":40503,"end":40503,"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":"2026-10-14T00:09:11+00:00","page":"https://rirtracker.com/asn/40503/#e-98fda90e386d0d62","report_page":"https://rirtracker.com/arin/reports/2022-04-11/","evidence_url":"https://rirtracker.com/api/v1/resources/asn/40503.json","observed":"AS40503 assigned on 2022-04-11, reserved on 2022-04-12","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":"2022-10-11","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 2012-11-15) on 2022-04-10 and reserved on 2022-04-12. 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 2022-10-11. This does not confirm availability.","evidence":[{"type":"statistics_diff","url":"https://ftp.arin.net/pub/stats/arin/archive/2022/delegated-arin-extended-20220412.gz","retrieved_at":"2026-10-12T22:59:48+00:00","summary":"Not listed in ARIN-Issued; found by comparing ARIN's daily statistics: AS40503 assigned on 2022-04-11, reserved on 2022-04-12"},{"type":"delegated_before","url":"https://ftp.arin.net/pub/stats/arin/archive/2022/delegated-arin-extended-20220410.gz","retrieved_at":"2026-10-12T22:59:44+00:00","summary":"ARIN delegated statistics 2022-04-10 (produced 2022-04-10T13:00:10+00:00), before the report: assigned (dated 2012-11-15)"},{"type":"delegated_after","url":"https://ftp.arin.net/pub/stats/arin/archive/2022/delegated-arin-extended-20220412.gz","retrieved_at":"2026-10-12T22:59:48+00:00","summary":"ARIN delegated statistics 2022-04-12 (produced 2022-04-12T13:00:10+00:00), after the report: reserved"}]},{"event_id":"4219bc02a8db2b3d","registry":"ARIN","report_date":"2012-07-24","source":"statistics","raw_action":"NOT_IN_ARIN_ISSUED","raw_line":null,"resource_type":"asn","resource":"AS40503","start":40503,"end":40503,"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":"2026-10-13T23:57:35+00:00","page":"https://rirtracker.com/asn/40503/#e-4219bc02a8db2b3d","report_page":"https://rirtracker.com/arin/reports/2012-07-24/","evidence_url":"https://rirtracker.com/api/v1/resources/asn/40503.json","observed":"AS40503 allocated on 2012-07-24, not listed on 2012-07-25","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":"2013-01-24","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 2007-04-30) on 2012-07-23 and not issued on 2012-07-25. (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 2013-01-24. This does not confirm availability.","evidence":[{"type":"statistics_diff","url":"https://ftp.arin.net/pub/stats/arin/archive/2012/delegated-arin-20120725.gz","retrieved_at":"2026-10-12T19:46:19+00:00","summary":"Not listed in ARIN-Issued; found by comparing ARIN's daily statistics: AS40503 allocated on 2012-07-24, not listed on 2012-07-25"},{"type":"delegated_before","url":"https://ftp.arin.net/pub/stats/arin/archive/2012/delegated-arin-20120723.gz","retrieved_at":"2026-10-12T19:46:14+00:00","summary":"ARIN delegated statistics 2012-07-23, before the report: allocated (dated 2007-04-30)"},{"type":"delegated_after","url":"https://ftp.arin.net/pub/stats/arin/archive/2012/delegated-arin-20120725.gz","retrieved_at":"2026-10-12T19:46:19+00:00","summary":"ARIN delegated statistics 2012-07-25, after the report: not issued"}]}],"classification_history":{"551857564185afcc":[{"raw_change_id":183187,"classification_code":"RESTORED","confidence":"STRONG_INFERENCE","classifier_version":"1.3.0","classified_at":"2026-10-13T03:59:54+00:00","current":0,"public_explanation":"No transfer record matches. ARIN's statistics show it reserved on 2023-08-28 and assigned (dated 2023-08-29) on 2023-08-30. The tracker saw it removed from registration on 2022-04-11 (505 days earlier), and it is back with the same holder record it had before, so it went back to its previous holder rather than to a new one: most likely a suspension lifted, a reinstatement or a correction."},{"raw_change_id":183187,"classification_code":"RESTORED","confidence":"STRONG_INFERENCE","classifier_version":"1.3.1","classified_at":"2026-10-13T08:07:32+00:00","current":0,"public_explanation":"No transfer record matches. ARIN's statistics show it reserved on 2023-08-28 and assigned (dated 2023-08-29) on 2023-08-30. The tracker saw it removed from registration on 2022-04-11 (505 days earlier), and it is back with the same holder record it had before, so it went back to its previous holder rather than to a new one: most likely a suspension lifted, a reinstatement or a correction."},{"raw_change_id":183187,"classification_code":"RESTORED","confidence":"STRONG_INFERENCE","classifier_version":"1.3.2","classified_at":"2026-10-13T14:50:22+00:00","current":0,"public_explanation":"No transfer record matches. ARIN's statistics show it reserved on 2023-08-28 and assigned (dated 2023-08-29) on 2023-08-30. The tracker saw it removed from registration on 2022-04-11 (505 days earlier), and it is back with the same holder record it had before, so it went back to its previous holder rather than to a new one: most likely a suspension lifted, a reinstatement or a correction."},{"raw_change_id":183187,"classification_code":"RESTORED","confidence":"STRONG_INFERENCE","classifier_version":"1.4.0","classified_at":"2026-10-13T23:53:49+00:00","current":1,"public_explanation":"No transfer record matches. ARIN's statistics show it reserved on 2023-08-28 and assigned (dated 2023-08-29) on 2023-08-30. The tracker saw it removed from registration on 2022-04-11 (505 days earlier), and it is back with the same holder record it had before, so it went back to its previous holder rather than to a new one: most likely a suspension lifted, a reinstatement or a correction."}],"c784207973a6f472":[{"raw_change_id":183164,"classification_code":"POOL_RECORD_CHANGE","confidence":"STRONG_INFERENCE","classifier_version":"1.3.0","classified_at":"2026-10-13T03:59:54+00:00","current":0,"public_explanation":"ARIN's statistics show it reserved on 2023-08-28 and assigned (dated 2023-08-29) on 2023-08-30. ARIN removed its own pool record for this range as part of issuing it: the same report adds AS40503. The issuance is explained on that line."},{"raw_change_id":183164,"classification_code":"POOL_RECORD_CHANGE","confidence":"STRONG_INFERENCE","classifier_version":"1.3.1","classified_at":"2026-10-13T08:07:32+00:00","current":0,"public_explanation":"ARIN's statistics show it reserved on 2023-08-28 and assigned (dated 2023-08-29) on 2023-08-30. ARIN removed its own pool record for this range as part of issuing it: the same report adds AS40503. The issuance is explained on that line."},{"raw_change_id":183164,"classification_code":"POOL_RECORD_CHANGE","confidence":"STRONG_INFERENCE","classifier_version":"1.3.2","classified_at":"2026-10-13T14:50:22+00:00","current":0,"public_explanation":"ARIN's statistics show it reserved on 2023-08-28 and assigned (dated 2023-08-29) on 2023-08-30. ARIN removed its own pool record for this range as part of issuing it: the same report adds AS40503. The issuance is explained on that line."},{"raw_change_id":183164,"classification_code":"POOL_RECORD_CHANGE","confidence":"STRONG_INFERENCE","classifier_version":"1.4.0","classified_at":"2026-10-13T23:53:49+00:00","current":1,"public_explanation":"ARIN's statistics show it reserved on 2023-08-28 and assigned (dated 2023-08-29) on 2023-08-30. ARIN removed its own pool record for this range as part of issuing it: the same report adds AS40503. The issuance is explained on that line."}],"98fda90e386d0d62":[{"raw_change_id":426472,"classification_code":"REMOVED_REASON_UNKNOWN","confidence":"STRONG_INFERENCE","classifier_version":"1.3.0","classified_at":"2026-10-13T05:50:45+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 assigned (dated 2012-11-15) on 2022-04-10 and reserved on 2022-04-12. 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 2022-10-11. This does not confirm availability."},{"raw_change_id":426472,"classification_code":"REMOVED_REASON_UNKNOWN","confidence":"STRONG_INFERENCE","classifier_version":"1.3.1","classified_at":"2026-10-13T08:20:28+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 2012-11-15) on 2022-04-10 and reserved on 2022-04-12. 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 2022-10-11. This does not confirm availability."},{"raw_change_id":426472,"classification_code":"REMOVED_REASON_UNKNOWN","confidence":"STRONG_INFERENCE","classifier_version":"1.3.2","classified_at":"2026-10-13T15:04:23+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 2012-11-15) on 2022-04-10 and reserved on 2022-04-12. 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 2022-10-11. This does not confirm availability."},{"raw_change_id":426472,"classification_code":"REMOVED_REASON_UNKNOWN","confidence":"STRONG_INFERENCE","classifier_version":"1.4.0","classified_at":"2026-10-14T00:09:11+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 2012-11-15) on 2022-04-10 and reserved on 2022-04-12. 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 2022-10-11. This does not confirm availability."}],"4219bc02a8db2b3d":[{"raw_change_id":248973,"classification_code":"REMOVED_REASON_UNKNOWN","confidence":"STRONG_INFERENCE","classifier_version":"1.3.0","classified_at":"2026-10-13T04:30:20+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 2007-04-30) on 2012-07-23 and not issued on 2012-07-25. (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 2013-01-24. This does not confirm availability."},{"raw_change_id":248973,"classification_code":"REMOVED_REASON_UNKNOWN","confidence":"STRONG_INFERENCE","classifier_version":"1.3.1","classified_at":"2026-10-13T08:10:42+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 2007-04-30) on 2012-07-23 and not issued on 2012-07-25. (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 2013-01-24. This does not confirm availability."},{"raw_change_id":248973,"classification_code":"REMOVED_REASON_UNKNOWN","confidence":"STRONG_INFERENCE","classifier_version":"1.3.2","classified_at":"2026-10-13T14:53:51+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 2007-04-30) on 2012-07-23 and not issued on 2012-07-25. (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 2013-01-24. This does not confirm availability."},{"raw_change_id":248973,"classification_code":"REMOVED_REASON_UNKNOWN","confidence":"STRONG_INFERENCE","classifier_version":"1.4.0","classified_at":"2026-10-13T23:57:35+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 2007-04-30) on 2012-07-23 and not issued on 2012-07-25. (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 2013-01-24. This does not confirm availability."}]},"arin_statistics_now":{"status":"assigned (dated 2023-08-29)"}}