{"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":"AS53253","resource_type":"asn","page":"https://rirtracker.com/asn/53253/","statistics_now":{"registry":"ARIN","status":"assigned (dated 2023-06-20)"},"current_holder":{"rir":"ARIN","org":null,"how":"ARIN's latest statistics"},"rdap_snapshots":[],"transfers":[],"events":[{"event_id":"8d81d92491947d26","registry":"ARIN","report_date":"2023-06-20","source":"arin_issued","raw_action":"ADD","raw_line":"Add AS53253","resource_type":"asn","resource":"AS53253","start":53253,"end":53253,"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":"2026-10-13T23:53:44+00:00","page":"https://rirtracker.com/asn/53253/#e-8d81d92491947d26","report_page":"https://rirtracker.com/arin/reports/2023-06-20/","evidence_url":"https://rirtracker.com/api/v1/resources/asn/53253.json","explanation":"No transfer record matches. ARIN's statistics show it reserved on 2023-06-19 and assigned (dated 2023-06-20) on 2023-06-21. The tracker saw this range removed from registration on 2021-12-06 (AS53253), so it appears to have been issued again from ARIN's pool.","evidence":[{"type":"arin_issued","url":"https://lists.arin.net/pipermail/arin-issued/2023-June/005303.html","retrieved_at":"2026-10-12T18:42:12+00:00","summary":"ARIN-Issued report for 2023-06-20: \"Add AS53253\""},{"type":"delegated_before","url":"https://ftp.arin.net/pub/stats/arin/archive/2023/delegated-arin-extended-20230619.gz","retrieved_at":"2026-10-12T23:22:37+00:00","summary":"ARIN delegated statistics 2023-06-19 (produced 2023-06-19T13:00:11+00:00), before the report: reserved"},{"type":"delegated_after","url":"https://ftp.arin.net/pub/stats/arin/archive/2023/delegated-arin-extended-20230621.gz","retrieved_at":"2026-10-12T23:22:42+00:00","summary":"ARIN delegated statistics 2023-06-21 (produced 2023-06-21T13:00:12+00:00), after the report: assigned (dated 2023-06-20)"}]},{"event_id":"8f3cdaf1ce1921ae","registry":"ARIN","report_date":"2023-06-20","source":"arin_issued","raw_action":"REMOVE","raw_line":"Remove AS53253","resource_type":"asn","resource":"AS53253","start":53253,"end":53253,"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":"2026-10-13T23:53:44+00:00","page":"https://rirtracker.com/asn/53253/#e-8f3cdaf1ce1921ae","report_page":"https://rirtracker.com/arin/reports/2023-06-20/","evidence_url":"https://rirtracker.com/api/v1/resources/asn/53253.json","explanation":"ARIN's statistics show it reserved on 2023-06-19 and assigned (dated 2023-06-20) on 2023-06-21. ARIN removed its own pool record for this range as part of issuing it: the same report adds AS53253. The issuance is explained on that line.","evidence":[{"type":"arin_issued","url":"https://lists.arin.net/pipermail/arin-issued/2023-June/005303.html","retrieved_at":"2026-10-12T18:42:12+00:00","summary":"ARIN-Issued report for 2023-06-20: \"Remove AS53253\""},{"type":"delegated_before","url":"https://ftp.arin.net/pub/stats/arin/archive/2023/delegated-arin-extended-20230619.gz","retrieved_at":"2026-10-12T23:22:37+00:00","summary":"ARIN delegated statistics 2023-06-19 (produced 2023-06-19T13:00:11+00:00), before the report: reserved"},{"type":"delegated_after","url":"https://ftp.arin.net/pub/stats/arin/archive/2023/delegated-arin-extended-20230621.gz","retrieved_at":"2026-10-12T23:22:42+00:00","summary":"ARIN delegated statistics 2023-06-21 (produced 2023-06-21T13:00:12+00:00), after the report: assigned (dated 2023-06-20)"}]},{"event_id":"0b31a16470e32380","registry":"ARIN","report_date":"2021-12-06","source":"statistics","raw_action":"NOT_IN_ARIN_ISSUED","raw_line":null,"resource_type":"asn","resource":"AS53253","start":53253,"end":53253,"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":"2026-10-14T00:08:46+00:00","page":"https://rirtracker.com/asn/53253/#e-0b31a16470e32380","report_page":"https://rirtracker.com/arin/reports/2021-12-06/","evidence_url":"https://rirtracker.com/api/v1/resources/asn/53253.json","observed":"AS53253 assigned on 2021-12-06, reserved on 2021-12-07","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":"2022-06-06","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 2009-07-14) on 2021-12-05 and reserved on 2021-12-07. 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 2022-06-06. This does not confirm availability.","evidence":[{"type":"statistics_diff","url":"https://ftp.arin.net/pub/stats/arin/archive/2021/delegated-arin-extended-20211207.gz","retrieved_at":"2026-10-12T22:53:22+00:00","summary":"Not listed in ARIN-Issued; found by comparing ARIN's daily statistics: AS53253 assigned on 2021-12-06, reserved on 2021-12-07"},{"type":"delegated_before","url":"https://ftp.arin.net/pub/stats/arin/archive/2021/delegated-arin-extended-20211205.gz","retrieved_at":"2026-10-12T22:53:17+00:00","summary":"ARIN delegated statistics 2021-12-05 (produced 2021-12-05T14:00:12+00:00), before the report: assigned (dated 2009-07-14)"},{"type":"delegated_after","url":"https://ftp.arin.net/pub/stats/arin/archive/2021/delegated-arin-extended-20211207.gz","retrieved_at":"2026-10-12T22:53:22+00:00","summary":"ARIN delegated statistics 2021-12-07 (produced 2021-12-07T14:00:12+00:00), after the report: reserved"}]}],"classification_history":{"8d81d92491947d26":[{"raw_change_id":182150,"classification_code":"APPARENT_REISSUANCE","confidence":"STRONG_INFERENCE","classifier_version":"1.3.0","classified_at":"2026-10-13T03:59:22+00:00","current":0,"public_explanation":"No transfer record matches. ARIN's statistics show it reserved on 2023-06-19 and assigned (dated 2023-06-20) on 2023-06-21. The tracker saw this range removed from registration on 2021-12-06 (AS53253), so it appears to have been issued again from ARIN's pool."},{"raw_change_id":182150,"classification_code":"APPARENT_REISSUANCE","confidence":"STRONG_INFERENCE","classifier_version":"1.3.1","classified_at":"2026-10-13T08:07:29+00:00","current":0,"public_explanation":"No transfer record matches. ARIN's statistics show it reserved on 2023-06-19 and assigned (dated 2023-06-20) on 2023-06-21. The tracker saw this range removed from registration on 2021-12-06 (AS53253), so it appears to have been issued again from ARIN's pool."},{"raw_change_id":182150,"classification_code":"APPARENT_REISSUANCE","confidence":"STRONG_INFERENCE","classifier_version":"1.3.2","classified_at":"2026-10-13T14:50:19+00:00","current":0,"public_explanation":"No transfer record matches. ARIN's statistics show it reserved on 2023-06-19 and assigned (dated 2023-06-20) on 2023-06-21. The tracker saw this range removed from registration on 2021-12-06 (AS53253), so it appears to have been issued again from ARIN's pool."},{"raw_change_id":182150,"classification_code":"APPARENT_REISSUANCE","confidence":"STRONG_INFERENCE","classifier_version":"1.4.0","classified_at":"2026-10-13T23:53:44+00:00","current":1,"public_explanation":"No transfer record matches. ARIN's statistics show it reserved on 2023-06-19 and assigned (dated 2023-06-20) on 2023-06-21. The tracker saw this range removed from registration on 2021-12-06 (AS53253), so it appears to have been issued again from ARIN's pool."}],"8f3cdaf1ce1921ae":[{"raw_change_id":182132,"classification_code":"POOL_RECORD_CHANGE","confidence":"STRONG_INFERENCE","classifier_version":"1.3.0","classified_at":"2026-10-13T03:59:22+00:00","current":0,"public_explanation":"ARIN's statistics show it reserved on 2023-06-19 and assigned (dated 2023-06-20) on 2023-06-21. ARIN removed its own pool record for this range as part of issuing it: the same report adds AS53253. The issuance is explained on that line."},{"raw_change_id":182132,"classification_code":"POOL_RECORD_CHANGE","confidence":"STRONG_INFERENCE","classifier_version":"1.3.1","classified_at":"2026-10-13T08:07:28+00:00","current":0,"public_explanation":"ARIN's statistics show it reserved on 2023-06-19 and assigned (dated 2023-06-20) on 2023-06-21. ARIN removed its own pool record for this range as part of issuing it: the same report adds AS53253. The issuance is explained on that line."},{"raw_change_id":182132,"classification_code":"POOL_RECORD_CHANGE","confidence":"STRONG_INFERENCE","classifier_version":"1.3.2","classified_at":"2026-10-13T14:50:19+00:00","current":0,"public_explanation":"ARIN's statistics show it reserved on 2023-06-19 and assigned (dated 2023-06-20) on 2023-06-21. ARIN removed its own pool record for this range as part of issuing it: the same report adds AS53253. The issuance is explained on that line."},{"raw_change_id":182132,"classification_code":"POOL_RECORD_CHANGE","confidence":"STRONG_INFERENCE","classifier_version":"1.4.0","classified_at":"2026-10-13T23:53:44+00:00","current":1,"public_explanation":"ARIN's statistics show it reserved on 2023-06-19 and assigned (dated 2023-06-20) on 2023-06-21. ARIN removed its own pool record for this range as part of issuing it: the same report adds AS53253. The issuance is explained on that line."}],"0b31a16470e32380":[{"raw_change_id":421176,"classification_code":"REMOVED_REASON_UNKNOWN","confidence":"STRONG_INFERENCE","classifier_version":"1.3.0","classified_at":"2026-10-13T05:48:34+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 2009-07-14) on 2021-12-05 and reserved on 2021-12-07. 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 2022-06-06. This does not confirm availability."},{"raw_change_id":421176,"classification_code":"REMOVED_REASON_UNKNOWN","confidence":"STRONG_INFERENCE","classifier_version":"1.3.1","classified_at":"2026-10-13T08:20:08+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 2009-07-14) on 2021-12-05 and reserved on 2021-12-07. 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 2022-06-06. This does not confirm availability."},{"raw_change_id":421176,"classification_code":"REMOVED_REASON_UNKNOWN","confidence":"STRONG_INFERENCE","classifier_version":"1.3.2","classified_at":"2026-10-13T15:04:01+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 2009-07-14) on 2021-12-05 and reserved on 2021-12-07. 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 2022-06-06. This does not confirm availability."},{"raw_change_id":421176,"classification_code":"REMOVED_REASON_UNKNOWN","confidence":"STRONG_INFERENCE","classifier_version":"1.4.0","classified_at":"2026-10-14T00:08:46+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 2009-07-14) on 2021-12-05 and reserved on 2021-12-07. 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 2022-06-06. This does not confirm availability."}]},"arin_statistics_now":{"status":"assigned (dated 2023-06-20)"}}