{"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":"AS23728","resource_type":"asn","page":"https://rirtracker.com/asn/23728/","statistics_now":{"registry":"APNIC","status":"allocated (dated 2003-04-30)"},"current_holder":{"rir":"APNIC","org":null,"how":"APNIC's latest statistics"},"rdap_snapshots":[],"transfers":[],"events":[{"event_id":"17937f7437dc9689","registry":"APNIC","report_date":"2014-07-25","source":"statistics","raw_action":"ADDED","raw_line":null,"resource_type":"asn","resource":"AS23728","start":23728,"end":23728,"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 APNIC applicant inventory","inventory_effect_code":"NO_EFFECT","provisional":false,"classifier_version":"1.4.0","classified_at":"2026-10-14T00:01:16+00:00","page":"https://rirtracker.com/asn/23728/#e-17937f7437dc9689","report_page":"https://rirtracker.com/apnic/reports/2014-07-25/","evidence_url":"https://rirtracker.com/api/v1/resources/asn/23728.json","observed":"AS23728 available on 2014-07-25, allocated on 2014-07-26","explanation":"No transfer record matches. APNIC's statistics show it available on 2014-07-25 and allocated (dated 2003-04-30) on 2014-07-26. The tracker saw it removed from registration on 2014-07-01 (24 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":"statistics_diff","url":"https://ftp.apnic.net/stats/apnic/2014/delegated-apnic-extended-20140726.gz","retrieved_at":"2026-10-12T20:57:55+00:00","summary":"Found by comparing APNIC's daily statistics: AS23728 available on 2014-07-25, allocated on 2014-07-26"},{"type":"delegated_before","url":"https://ftp.apnic.net/stats/apnic/2014/delegated-apnic-extended-20140725.gz","retrieved_at":"2026-10-12T20:57:52+00:00","summary":"APNIC delegated statistics 2014-07-25, before the change: available"},{"type":"delegated_after","url":"https://ftp.apnic.net/stats/apnic/2014/delegated-apnic-extended-20140726.gz","retrieved_at":"2026-10-12T20:57:55+00:00","summary":"APNIC delegated statistics 2014-07-26, after the change: allocated (dated 2003-04-30)"}]},{"event_id":"9fce2e6bbb1711a9","registry":"APNIC","report_date":"2014-07-01","source":"statistics","raw_action":"REMOVED","raw_line":null,"resource_type":"asn","resource":"AS23728","start":23728,"end":23728,"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":"2026-10-14T00:01:12+00:00","page":"https://rirtracker.com/asn/23728/#e-9fce2e6bbb1711a9","report_page":"https://rirtracker.com/apnic/reports/2014-07-01/","evidence_url":"https://rirtracker.com/api/v1/resources/asn/23728.json","observed":"AS23728 allocated on 2014-07-01, available on 2014-07-02","hold":{"hold_rule_source_url":"https://www.apnic.net/manage-ip/manage-resources/address-status","hold_rule_months":12,"estimated_hold_end":"2015-07-01","availability_statement":"Possible reissue candidate after this date; not confirmed available","hold_rule_observed":true},"explanation":"Removed from active registration. The tracker found it by comparing APNIC's daily statistics. APNIC's statistics show it allocated (dated 2003-04-30) on 2014-07-01 and available on 2014-07-02. Public sources do not distinguish a voluntary return, revocation, or reclamation. APNIC publishes no hold period, but its statistics have released returned ASNs a year after the removal or later since 2014, so the tracker estimates the hold ends on 2015-07-01. That is what APNIC has done, not a rule it states. This does not confirm availability.","evidence":[{"type":"statistics_diff","url":"https://ftp.apnic.net/stats/apnic/2014/delegated-apnic-extended-20140702.gz","retrieved_at":"2026-10-12T20:56:34+00:00","summary":"Found by comparing APNIC's daily statistics: AS23728 allocated on 2014-07-01, available on 2014-07-02"},{"type":"delegated_before","url":"https://ftp.apnic.net/stats/apnic/2014/delegated-apnic-extended-20140701.gz","retrieved_at":"2026-10-12T20:56:27+00:00","summary":"APNIC delegated statistics 2014-07-01, before the change: allocated (dated 2003-04-30)"},{"type":"delegated_after","url":"https://ftp.apnic.net/stats/apnic/2014/delegated-apnic-extended-20140702.gz","retrieved_at":"2026-10-12T20:56:34+00:00","summary":"APNIC delegated statistics 2014-07-02, after the change: available"}]}],"classification_history":{"17937f7437dc9689":[{"raw_change_id":306646,"classification_code":"RESTORED","confidence":"STRONG_INFERENCE","classifier_version":"1.3.0","classified_at":"2026-10-13T04:58:54+00:00","current":0,"public_explanation":"No transfer record matches. APNIC's statistics show it available on 2014-07-25 and allocated (dated 2003-04-30) on 2014-07-26. The tracker saw it removed from registration on 2014-07-01 (24 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":306646,"classification_code":"RESTORED","confidence":"STRONG_INFERENCE","classifier_version":"1.3.1","classified_at":"2026-10-13T08:13:53+00:00","current":0,"public_explanation":"No transfer record matches. APNIC's statistics show it available on 2014-07-25 and allocated (dated 2003-04-30) on 2014-07-26. The tracker saw it removed from registration on 2014-07-01 (24 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":306646,"classification_code":"RESTORED","confidence":"STRONG_INFERENCE","classifier_version":"1.3.2","classified_at":"2026-10-13T14:57:18+00:00","current":0,"public_explanation":"No transfer record matches. APNIC's statistics show it available on 2014-07-25 and allocated (dated 2003-04-30) on 2014-07-26. The tracker saw it removed from registration on 2014-07-01 (24 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":306646,"classification_code":"RESTORED","confidence":"STRONG_INFERENCE","classifier_version":"1.4.0","classified_at":"2026-10-14T00:01:16+00:00","current":1,"public_explanation":"No transfer record matches. APNIC's statistics show it available on 2014-07-25 and allocated (dated 2003-04-30) on 2014-07-26. The tracker saw it removed from registration on 2014-07-01 (24 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."}],"9fce2e6bbb1711a9":[{"raw_change_id":305366,"classification_code":"REMOVED_REASON_UNKNOWN","confidence":"STRONG_INFERENCE","classifier_version":"1.3.0","classified_at":"2026-10-13T04:58:19+00:00","current":0,"public_explanation":"Removed from active registration. The tracker found it by comparing APNIC's daily statistics. APNIC's statistics show it allocated (dated 2003-04-30) on 2014-07-01 and available on 2014-07-02. Public sources do not distinguish a voluntary return, revocation, or reclamation. APNIC publishes no fixed period for which it holds returned ASNs before reissuing them, so the tracker gives no estimate. This does not confirm availability."},{"raw_change_id":305366,"classification_code":"REMOVED_REASON_UNKNOWN","confidence":"STRONG_INFERENCE","classifier_version":"1.3.1","classified_at":"2026-10-13T08:13:50+00:00","current":0,"public_explanation":"Removed from active registration. The tracker found it by comparing APNIC's daily statistics. APNIC's statistics show it allocated (dated 2003-04-30) on 2014-07-01 and available on 2014-07-02. Public sources do not distinguish a voluntary return, revocation, or reclamation. APNIC publishes no fixed period for which it holds returned ASNs before reissuing them, so the tracker gives no estimate. This does not confirm availability."},{"raw_change_id":305366,"classification_code":"REMOVED_REASON_UNKNOWN","confidence":"STRONG_INFERENCE","classifier_version":"1.3.2","classified_at":"2026-10-13T14:57:14+00:00","current":0,"public_explanation":"Removed from active registration. The tracker found it by comparing APNIC's daily statistics. APNIC's statistics show it allocated (dated 2003-04-30) on 2014-07-01 and available on 2014-07-02. Public sources do not distinguish a voluntary return, revocation, or reclamation. APNIC publishes no fixed period for which it holds returned ASNs before reissuing them, so the tracker gives no estimate. This does not confirm availability."},{"raw_change_id":305366,"classification_code":"REMOVED_REASON_UNKNOWN","confidence":"STRONG_INFERENCE","classifier_version":"1.4.0","classified_at":"2026-10-14T00:01:12+00:00","current":1,"public_explanation":"Removed from active registration. The tracker found it by comparing APNIC's daily statistics. APNIC's statistics show it allocated (dated 2003-04-30) on 2014-07-01 and available on 2014-07-02. Public sources do not distinguish a voluntary return, revocation, or reclamation. APNIC publishes no hold period, but its statistics have released returned ASNs a year after the removal or later since 2014, so the tracker estimates the hold ends on 2015-07-01. That is what APNIC has done, not a rule it states. This does not confirm availability."}]},"arin_statistics_now":{"status":"not listed"}}