{"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":"AS54097","resource_type":"asn","page":"https://rirtracker.com/asn/54097/","statistics_now":{"registry":"ARIN","status":"assigned (dated 2017-04-25)"},"current_holder":{"rir":"ARIN","org":null,"how":"ARIN's latest statistics"},"rdap_snapshots":[],"transfers":[],"events":[{"event_id":"ce9d0d0164e8039f","registry":"ARIN","report_date":"2017-04-26","source":"arin_issued","raw_action":"REMOVE","raw_line":"Remove AS54097","resource_type":"asn","resource":"AS54097","start":54097,"end":54097,"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":"2026-10-13T23:51:47+00:00","page":"https://rirtracker.com/asn/54097/#e-ce9d0d0164e8039f","report_page":"https://rirtracker.com/arin/reports/2017-04-26/","evidence_url":"https://rirtracker.com/api/v1/resources/asn/54097.json","explanation":"ARIN's statistics show it reserved on 2017-04-25 and assigned (dated 2017-04-25) on 2017-04-27. 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/2017-April/003058.html","retrieved_at":"2026-10-12T18:39:36+00:00","summary":"ARIN-Issued report for 2017-04-26: \"Remove AS54097\""},{"type":"delegated_before","url":"https://ftp.arin.net/pub/stats/arin/archive/2017/delegated-arin-extended-20170425.gz","retrieved_at":"2026-10-12T21:27:07+00:00","summary":"ARIN delegated statistics 2017-04-25 (produced 2017-04-25T05:10:06+00:00), before the report: reserved"},{"type":"delegated_after","url":"https://ftp.arin.net/pub/stats/arin/archive/2017/delegated-arin-extended-20170427.gz","retrieved_at":"2026-10-12T21:27:12+00:00","summary":"ARIN delegated statistics 2017-04-27 (produced 2017-04-27T05:10:14+00:00), after the report: assigned (dated 2017-04-25)"}]},{"event_id":"4b3442890d2a214b","registry":"ARIN","report_date":"2016-07-21","source":"statistics","raw_action":"NOT_IN_ARIN_ISSUED","raw_line":null,"resource_type":"asn","resource":"AS54097","start":54097,"end":54097,"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":"2026-10-14T00:02:10+00:00","page":"https://rirtracker.com/asn/54097/#e-4b3442890d2a214b","report_page":"https://rirtracker.com/arin/reports/2016-07-21/","evidence_url":"https://rirtracker.com/api/v1/resources/asn/54097.json","observed":"AS54097 assigned on 2016-07-21, reserved on 2016-07-22","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":"2017-01-21","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 assigned (dated 2014-06-26) on 2016-07-20 and reserved on 2016-07-22. 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 2017-01-21. This does not confirm availability.","evidence":[{"type":"statistics_diff","url":"https://ftp.arin.net/pub/stats/arin/archive/2016/delegated-arin-extended-20160722.gz","retrieved_at":"2026-10-12T21:13:41+00:00","summary":"Not listed in ARIN-Issued; found by comparing ARIN's daily statistics: AS54097 assigned on 2016-07-21, reserved on 2016-07-22"},{"type":"delegated_before","url":"https://ftp.arin.net/pub/stats/arin/archive/2016/delegated-arin-extended-20160720.gz","retrieved_at":"2026-10-12T21:13:30+00:00","summary":"ARIN delegated statistics 2016-07-20 (produced 2016-07-20T05:08:52+00:00), before the report: assigned (dated 2014-06-26)"},{"type":"delegated_after","url":"https://ftp.arin.net/pub/stats/arin/archive/2016/delegated-arin-extended-20160722.gz","retrieved_at":"2026-10-12T21:13:41+00:00","summary":"ARIN delegated statistics 2016-07-22 (produced 2016-07-22T05:09:13+00:00), after the report: reserved"}]},{"event_id":"5e23bc0252026ede","registry":"ARIN","report_date":"2014-02-18","source":"statistics","raw_action":"NOT_IN_ARIN_ISSUED","raw_line":null,"resource_type":"asn","resource":"AS54097","start":54097,"end":54097,"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":"2026-10-13T23:58:56+00:00","page":"https://rirtracker.com/asn/54097/#e-5e23bc0252026ede","report_page":"https://rirtracker.com/arin/reports/2014-02-18/","evidence_url":"https://rirtracker.com/api/v1/resources/asn/54097.json","observed":"AS54097 assigned on 2014-02-18, reserved on 2014-02-19","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":"2014-08-18","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 2011-09-29) on 2014-02-17 and reserved on 2014-02-19. 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 2014-08-18. This does not confirm availability.","evidence":[{"type":"statistics_diff","url":"https://ftp.arin.net/pub/stats/arin/archive/2014/delegated-arin-extended-20140219.gz","retrieved_at":"2026-10-12T20:12:08+00:00","summary":"Not listed in ARIN-Issued; found by comparing ARIN's daily statistics: AS54097 assigned on 2014-02-18, reserved on 2014-02-19"},{"type":"delegated_before","url":"https://ftp.arin.net/pub/stats/arin/archive/2014/delegated-arin-extended-20140217.gz","retrieved_at":"2026-10-12T20:12:03+00:00","summary":"ARIN delegated statistics 2014-02-17 (produced 2014-02-17T06:05:36+00:00), before the report: assigned (dated 2011-09-29)"},{"type":"delegated_after","url":"https://ftp.arin.net/pub/stats/arin/archive/2014/delegated-arin-extended-20140219.gz","retrieved_at":"2026-10-12T20:12:08+00:00","summary":"ARIN delegated statistics 2014-02-19 (produced 2014-02-19T06:06:06+00:00), after the report: reserved"}]}],"classification_history":{"ce9d0d0164e8039f":[{"raw_change_id":149040,"classification_code":"POOL_RECORD_CHANGE","confidence":"OBSERVED_ONLY","classifier_version":"1.3.0","classified_at":"2026-10-13T03:38:03+00:00","current":0,"public_explanation":"ARIN's statistics show it reserved on 2017-04-25 and assigned (dated 2017-04-25) on 2017-04-27. 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":149040,"classification_code":"POOL_RECORD_CHANGE","confidence":"OBSERVED_ONLY","classifier_version":"1.3.1","classified_at":"2026-10-13T08:06:00+00:00","current":0,"public_explanation":"ARIN's statistics show it reserved on 2017-04-25 and assigned (dated 2017-04-25) on 2017-04-27. 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":149040,"classification_code":"POOL_RECORD_CHANGE","confidence":"OBSERVED_ONLY","classifier_version":"1.3.2","classified_at":"2026-10-13T14:48:40+00:00","current":0,"public_explanation":"ARIN's statistics show it reserved on 2017-04-25 and assigned (dated 2017-04-25) on 2017-04-27. 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":149040,"classification_code":"POOL_RECORD_CHANGE","confidence":"OBSERVED_ONLY","classifier_version":"1.4.0","classified_at":"2026-10-13T23:51:47+00:00","current":1,"public_explanation":"ARIN's statistics show it reserved on 2017-04-25 and assigned (dated 2017-04-25) on 2017-04-27. 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."}],"4b3442890d2a214b":[{"raw_change_id":320879,"classification_code":"REMOVED_REASON_UNKNOWN","confidence":"STRONG_INFERENCE","classifier_version":"1.3.0","classified_at":"2026-10-13T05:05:14+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 2014-06-26) on 2016-07-20 and reserved on 2016-07-22. 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 2017-01-21. This does not confirm availability."},{"raw_change_id":320879,"classification_code":"REMOVED_REASON_UNKNOWN","confidence":"STRONG_INFERENCE","classifier_version":"1.3.1","classified_at":"2026-10-13T08:14:39+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 assigned (dated 2014-06-26) on 2016-07-20 and reserved on 2016-07-22. 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 2017-01-21. This does not confirm availability."},{"raw_change_id":320879,"classification_code":"REMOVED_REASON_UNKNOWN","confidence":"STRONG_INFERENCE","classifier_version":"1.3.2","classified_at":"2026-10-13T14:58:07+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 2014-06-26) on 2016-07-20 and reserved on 2016-07-22. 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 2017-01-21. This does not confirm availability."},{"raw_change_id":320879,"classification_code":"REMOVED_REASON_UNKNOWN","confidence":"STRONG_INFERENCE","classifier_version":"1.4.0","classified_at":"2026-10-14T00:02:10+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 2014-06-26) on 2016-07-20 and reserved on 2016-07-22. 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 2017-01-21. This does not confirm availability."}],"5e23bc0252026ede":[{"raw_change_id":271197,"classification_code":"REMOVED_REASON_UNKNOWN","confidence":"STRONG_INFERENCE","classifier_version":"1.3.0","classified_at":"2026-10-13T04:41:31+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 2011-09-29) on 2014-02-17 and reserved on 2014-02-19. 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 2014-08-18. This does not confirm availability."},{"raw_change_id":271197,"classification_code":"REMOVED_REASON_UNKNOWN","confidence":"STRONG_INFERENCE","classifier_version":"1.3.1","classified_at":"2026-10-13T08:11:52+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 2011-09-29) on 2014-02-17 and reserved on 2014-02-19. 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 2014-08-18. This does not confirm availability."},{"raw_change_id":271197,"classification_code":"REMOVED_REASON_UNKNOWN","confidence":"STRONG_INFERENCE","classifier_version":"1.3.2","classified_at":"2026-10-13T14:55:08+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 2011-09-29) on 2014-02-17 and reserved on 2014-02-19. 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 2014-08-18. This does not confirm availability."},{"raw_change_id":271197,"classification_code":"REMOVED_REASON_UNKNOWN","confidence":"STRONG_INFERENCE","classifier_version":"1.4.0","classified_at":"2026-10-13T23:58:56+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 2011-09-29) on 2014-02-17 and reserved on 2014-02-19. 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 2014-08-18. This does not confirm availability."}]},"arin_statistics_now":{"status":"assigned (dated 2017-04-25)"}}