{"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":"AS55563","resource_type":"asn","page":"https://rirtracker.com/asn/55563/","statistics_now":{"registry":"APNIC","status":"allocated (dated 2010-07-02)"},"current_holder":{"rir":"APNIC","org":null,"how":"APNIC's latest statistics"},"rdap_snapshots":[],"transfers":[],"events":[{"event_id":"dae27a7add247007","registry":"APNIC","report_date":"2021-02-22","source":"statistics","raw_action":"ADDED","raw_line":null,"resource_type":"asn","resource":"AS55563","start":55563,"end":55563,"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":"2026-10-14T00:11:54+00:00","page":"https://rirtracker.com/asn/55563/#e-dae27a7add247007","report_page":"https://rirtracker.com/apnic/reports/2021-02-22/","evidence_url":"https://rirtracker.com/api/v1/resources/asn/55563.json","observed":"AS55563 available on 2021-02-22, allocated on 2021-02-23","explanation":"No transfer record matches. APNIC's statistics show it available on 2021-02-22 and allocated (dated 2010-07-02) on 2021-02-23. The tracker saw it removed from registration on 2020-12-14 (70 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/2021/delegated-apnic-extended-20210223.gz","retrieved_at":"2026-10-12T23:38:56+00:00","summary":"Found by comparing APNIC's daily statistics: AS55563 available on 2021-02-22, allocated on 2021-02-23"},{"type":"delegated_before","url":"https://ftp.apnic.net/stats/apnic/2021/delegated-apnic-extended-20210222.gz","retrieved_at":"2026-10-12T23:38:52+00:00","summary":"APNIC delegated statistics 2021-02-22, before the change: available"},{"type":"delegated_after","url":"https://ftp.apnic.net/stats/apnic/2021/delegated-apnic-extended-20210223.gz","retrieved_at":"2026-10-12T23:38:56+00:00","summary":"APNIC delegated statistics 2021-02-23, after the change: allocated (dated 2010-07-02)"}]},{"event_id":"f4d3474bd90991f7","registry":"APNIC","report_date":"2020-12-14","source":"statistics","raw_action":"REMOVED","raw_line":null,"resource_type":"asn","resource":"AS55563","start":55563,"end":55563,"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":"2026-10-14T00:11:34+00:00","page":"https://rirtracker.com/asn/55563/#e-f4d3474bd90991f7","report_page":"https://rirtracker.com/apnic/reports/2020-12-14/","evidence_url":"https://rirtracker.com/api/v1/resources/asn/55563.json","observed":"AS55563 allocated on 2020-12-14, available on 2020-12-15","hold":{"hold_rule_source_url":"https://www.apnic.net/manage-ip/manage-resources/address-status","hold_rule_months":12,"estimated_hold_end":"2021-12-14","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 2010-07-02) on 2020-12-14 and available on 2020-12-15. 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 2021-12-14. 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/2020/delegated-apnic-extended-20201215.gz","retrieved_at":"2026-10-12T23:33:59+00:00","summary":"Found by comparing APNIC's daily statistics: AS55563 allocated on 2020-12-14, available on 2020-12-15"},{"type":"delegated_before","url":"https://ftp.apnic.net/stats/apnic/2020/delegated-apnic-extended-20201214.gz","retrieved_at":"2026-10-12T23:33:55+00:00","summary":"APNIC delegated statistics 2020-12-14, before the change: allocated (dated 2010-07-02)"},{"type":"delegated_after","url":"https://ftp.apnic.net/stats/apnic/2020/delegated-apnic-extended-20201215.gz","retrieved_at":"2026-10-12T23:33:59+00:00","summary":"APNIC delegated statistics 2020-12-15, after the change: available"}]},{"event_id":"d1b147ff61de643a","registry":"APNIC","report_date":"2010-07-02","source":"statistics","raw_action":"ADDED","raw_line":null,"resource_type":"asn","resource":"AS55563","start":55563,"end":55563,"classification":"UNRESOLVED","classification_label":"Unresolved change","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":"2026-10-13T23:56:30+00:00","page":"https://rirtracker.com/asn/55563/#e-d1b147ff61de643a","report_page":"https://rirtracker.com/apnic/reports/2010-07-02/","evidence_url":"https://rirtracker.com/api/v1/resources/asn/55563.json","observed":"AS55563 not listed on 2010-07-02, allocated on 2010-07-03","explanation":"No transfer record matches. APNIC's statistics show it not listed on 2010-07-02 and allocated (dated 2010-07-02) on 2010-07-03. It wasn't in APNIC's statistics before, so it wasn't APNIC's unissued inventory; it may have come from another registry in a transfer not yet in the log.","evidence":[{"type":"statistics_diff","url":"https://ftp.apnic.net/stats/apnic/2010/delegated-apnic-extended-20100703.gz","retrieved_at":"2026-10-12T19:21:02+00:00","summary":"Found by comparing APNIC's daily statistics: AS55563 not listed on 2010-07-02, allocated on 2010-07-03"},{"type":"delegated_before","url":"https://ftp.apnic.net/stats/apnic/2010/delegated-apnic-extended-20100702.gz","retrieved_at":"2026-10-12T19:20:59+00:00","summary":"APNIC delegated statistics 2010-07-02, before the change: not listed"},{"type":"delegated_after","url":"https://ftp.apnic.net/stats/apnic/2010/delegated-apnic-extended-20100703.gz","retrieved_at":"2026-10-12T19:21:02+00:00","summary":"APNIC delegated statistics 2010-07-03, after the change: allocated (dated 2010-07-02)"}]}],"classification_history":{"dae27a7add247007":[{"raw_change_id":464324,"classification_code":"RESTORED","confidence":"STRONG_INFERENCE","classifier_version":"1.3.0","classified_at":"2026-10-13T06:07:29+00:00","current":0,"public_explanation":"No transfer record matches. APNIC's statistics show it available on 2021-02-22 and allocated (dated 2010-07-02) on 2021-02-23. The tracker saw it removed from registration on 2020-12-14 (70 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":464324,"classification_code":"RESTORED","confidence":"STRONG_INFERENCE","classifier_version":"1.3.1","classified_at":"2026-10-13T08:22:41+00:00","current":0,"public_explanation":"No transfer record matches. APNIC's statistics show it available on 2021-02-22 and allocated (dated 2010-07-02) on 2021-02-23. The tracker saw it removed from registration on 2020-12-14 (70 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":464324,"classification_code":"RESTORED","confidence":"STRONG_INFERENCE","classifier_version":"1.3.2","classified_at":"2026-10-13T15:06:45+00:00","current":0,"public_explanation":"No transfer record matches. APNIC's statistics show it available on 2021-02-22 and allocated (dated 2010-07-02) on 2021-02-23. The tracker saw it removed from registration on 2020-12-14 (70 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":464324,"classification_code":"RESTORED","confidence":"STRONG_INFERENCE","classifier_version":"1.4.0","classified_at":"2026-10-14T00:11:54+00:00","current":1,"public_explanation":"No transfer record matches. APNIC's statistics show it available on 2021-02-22 and allocated (dated 2010-07-02) on 2021-02-23. The tracker saw it removed from registration on 2020-12-14 (70 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."}],"f4d3474bd90991f7":[{"raw_change_id":460530,"classification_code":"REMOVED_REASON_UNKNOWN","confidence":"STRONG_INFERENCE","classifier_version":"1.3.0","classified_at":"2026-10-13T06:05:56+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 2010-07-02) on 2020-12-14 and available on 2020-12-15. 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":460530,"classification_code":"REMOVED_REASON_UNKNOWN","confidence":"STRONG_INFERENCE","classifier_version":"1.3.1","classified_at":"2026-10-13T08:22:25+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 2010-07-02) on 2020-12-14 and available on 2020-12-15. 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":460530,"classification_code":"REMOVED_REASON_UNKNOWN","confidence":"STRONG_INFERENCE","classifier_version":"1.3.2","classified_at":"2026-10-13T15:06:29+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 2010-07-02) on 2020-12-14 and available on 2020-12-15. 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":460530,"classification_code":"REMOVED_REASON_UNKNOWN","confidence":"STRONG_INFERENCE","classifier_version":"1.4.0","classified_at":"2026-10-14T00:11:34+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 2010-07-02) on 2020-12-14 and available on 2020-12-15. 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 2021-12-14. That is what APNIC has done, not a rule it states. This does not confirm availability."}],"d1b147ff61de643a":[{"raw_change_id":229723,"classification_code":"UNRESOLVED","confidence":"OBSERVED_ONLY","classifier_version":"1.3.0","classified_at":"2026-10-13T04:20:10+00:00","current":0,"public_explanation":"No transfer record matches. APNIC's statistics show it not listed on 2010-07-02 and allocated (dated 2010-07-02) on 2010-07-03. It wasn't in APNIC's statistics before, so it wasn't APNIC's unissued inventory; it may have come from another registry in a transfer not yet in the log."},{"raw_change_id":229723,"classification_code":"UNRESOLVED","confidence":"OBSERVED_ONLY","classifier_version":"1.3.1","classified_at":"2026-10-13T08:09:45+00:00","current":0,"public_explanation":"No transfer record matches. APNIC's statistics show it not listed on 2010-07-02 and allocated (dated 2010-07-02) on 2010-07-03. It wasn't in APNIC's statistics before, so it wasn't APNIC's unissued inventory; it may have come from another registry in a transfer not yet in the log."},{"raw_change_id":229723,"classification_code":"UNRESOLVED","confidence":"OBSERVED_ONLY","classifier_version":"1.3.2","classified_at":"2026-10-13T14:52:49+00:00","current":0,"public_explanation":"No transfer record matches. APNIC's statistics show it not listed on 2010-07-02 and allocated (dated 2010-07-02) on 2010-07-03. It wasn't in APNIC's statistics before, so it wasn't APNIC's unissued inventory; it may have come from another registry in a transfer not yet in the log."},{"raw_change_id":229723,"classification_code":"UNRESOLVED","confidence":"OBSERVED_ONLY","classifier_version":"1.4.0","classified_at":"2026-10-13T23:56:30+00:00","current":1,"public_explanation":"No transfer record matches. APNIC's statistics show it not listed on 2010-07-02 and allocated (dated 2010-07-02) on 2010-07-03. It wasn't in APNIC's statistics before, so it wasn't APNIC's unissued inventory; it may have come from another registry in a transfer not yet in the log."}]},"arin_statistics_now":{"status":"not listed"}}