{"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":"202.44.52.0/22","resource_type":"ipv4","page":"https://rirtracker.com/ip/202.44.52.0-202.44.55.255/","statistics_now":{"registry":"APNIC","status":"assigned (dated 2004-08-23)"},"current_holder":{"rir":"APNIC","org":null,"how":"APNIC's latest statistics"},"rdap_snapshots":[],"transfers":[],"events":[{"event_id":"7bed6c593a7f6aed","registry":"APNIC","report_date":"2016-10-11","source":"statistics","raw_action":"ADDED","raw_line":null,"resource_type":"ipv4","resource":"202.44.52.0/22","start":"202.44.52.0","end":"202.44.55.255","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":"2026-10-14T00:04:31+00:00","page":"https://rirtracker.com/ip/202.44.52.0-202.44.55.255/#e-7bed6c593a7f6aed","report_page":"https://rirtracker.com/apnic/reports/2016-10-11/","evidence_url":"https://rirtracker.com/api/v1/resources/ip/202.44.52.0-202.44.55.255.json","observed":"202.44.52.0/22 reserved on 2016-10-11, assigned on 2016-10-12","explanation":"No transfer record matches. APNIC's statistics show it reserved on 2016-10-11 and assigned (dated 2004-08-23) on 2016-10-12. The tracker saw it removed from registration on 2016-10-03 (8 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/2016/delegated-apnic-extended-20161012.gz","retrieved_at":"2026-10-12T21:49:12+00:00","summary":"Found by comparing APNIC's daily statistics: 202.44.52.0/22 reserved on 2016-10-11, assigned on 2016-10-12"},{"type":"delegated_before","url":"https://ftp.apnic.net/stats/apnic/2016/delegated-apnic-extended-20161011.gz","retrieved_at":"2026-10-12T21:49:08+00:00","summary":"APNIC delegated statistics 2016-10-11, before the change: reserved"},{"type":"delegated_after","url":"https://ftp.apnic.net/stats/apnic/2016/delegated-apnic-extended-20161012.gz","retrieved_at":"2026-10-12T21:49:12+00:00","summary":"APNIC delegated statistics 2016-10-12, after the change: assigned (dated 2004-08-23)"}]},{"event_id":"8f8716722a27c16b","registry":"APNIC","report_date":"2016-10-03","source":"statistics","raw_action":"REMOVED","raw_line":null,"resource_type":"ipv4","resource":"202.44.52.0/22","start":"202.44.52.0","end":"202.44.55.255","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":"2026-10-14T00:04:30+00:00","page":"https://rirtracker.com/ip/202.44.52.0-202.44.55.255/#e-8f8716722a27c16b","report_page":"https://rirtracker.com/apnic/reports/2016-10-03/","evidence_url":"https://rirtracker.com/api/v1/resources/ip/202.44.52.0-202.44.55.255.json","observed":"202.44.52.0/22 assigned on 2016-10-03, reserved on 2016-10-04","hold":{"hold_rule_source_url":"https://www.apnic.net/manage-ip/manage-resources/address-status","hold_rule_months":12,"estimated_hold_end":"2017-10-03","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 assigned (dated 2004-08-23) on 2016-10-03 and reserved on 2016-10-04. Public sources do not distinguish a voluntary return, revocation, or reclamation. APNIC publishes no hold period, but its statistics have released returned IPv4 space a year after the removal or later since 2014, so the tracker estimates the hold ends on 2017-10-03. 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/2016/delegated-apnic-extended-20161004.gz","retrieved_at":"2026-10-12T21:48:38+00:00","summary":"Found by comparing APNIC's daily statistics: 202.44.52.0/22 assigned on 2016-10-03, reserved on 2016-10-04"},{"type":"delegated_before","url":"https://ftp.apnic.net/stats/apnic/2016/delegated-apnic-extended-20161003.gz","retrieved_at":"2026-10-12T21:48:35+00:00","summary":"APNIC delegated statistics 2016-10-03, before the change: assigned (dated 2004-08-23)"},{"type":"delegated_after","url":"https://ftp.apnic.net/stats/apnic/2016/delegated-apnic-extended-20161004.gz","retrieved_at":"2026-10-12T21:48:38+00:00","summary":"APNIC delegated statistics 2016-10-04, after the change: reserved"}]}],"classification_history":{"7bed6c593a7f6aed":[{"raw_change_id":357308,"classification_code":"RESTORED","confidence":"STRONG_INFERENCE","classifier_version":"1.3.0","classified_at":"2026-10-13T05:22:45+00:00","current":0,"public_explanation":"No transfer record matches. APNIC's statistics show it reserved on 2016-10-11 and assigned (dated 2004-08-23) on 2016-10-12. The tracker saw it removed from registration on 2016-10-03 (8 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":357308,"classification_code":"RESTORED","confidence":"STRONG_INFERENCE","classifier_version":"1.3.1","classified_at":"2026-10-13T08:16:37+00:00","current":0,"public_explanation":"No transfer record matches. APNIC's statistics show it reserved on 2016-10-11 and assigned (dated 2004-08-23) on 2016-10-12. The tracker saw it removed from registration on 2016-10-03 (8 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":357308,"classification_code":"RESTORED","confidence":"STRONG_INFERENCE","classifier_version":"1.3.2","classified_at":"2026-10-13T15:00:14+00:00","current":0,"public_explanation":"No transfer record matches. APNIC's statistics show it reserved on 2016-10-11 and assigned (dated 2004-08-23) on 2016-10-12. The tracker saw it removed from registration on 2016-10-03 (8 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":357308,"classification_code":"RESTORED","confidence":"STRONG_INFERENCE","classifier_version":"1.4.0","classified_at":"2026-10-14T00:04:31+00:00","current":1,"public_explanation":"No transfer record matches. APNIC's statistics show it reserved on 2016-10-11 and assigned (dated 2004-08-23) on 2016-10-12. The tracker saw it removed from registration on 2016-10-03 (8 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."}],"8f8716722a27c16b":[{"raw_change_id":357031,"classification_code":"REMOVED_REASON_UNKNOWN","confidence":"STRONG_INFERENCE","classifier_version":"1.3.0","classified_at":"2026-10-13T05:22:38+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 assigned (dated 2004-08-23) on 2016-10-03 and reserved on 2016-10-04. Public sources do not distinguish a voluntary return, revocation, or reclamation. APNIC publishes no fixed period for which it holds returned IPv4 space before reissuing it, so the tracker gives no estimate. This does not confirm availability."},{"raw_change_id":357031,"classification_code":"REMOVED_REASON_UNKNOWN","confidence":"STRONG_INFERENCE","classifier_version":"1.3.1","classified_at":"2026-10-13T08:16:36+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 assigned (dated 2004-08-23) on 2016-10-03 and reserved on 2016-10-04. Public sources do not distinguish a voluntary return, revocation, or reclamation. APNIC publishes no fixed period for which it holds returned IPv4 space before reissuing it, so the tracker gives no estimate. This does not confirm availability."},{"raw_change_id":357031,"classification_code":"REMOVED_REASON_UNKNOWN","confidence":"STRONG_INFERENCE","classifier_version":"1.3.2","classified_at":"2026-10-13T15:00:13+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 assigned (dated 2004-08-23) on 2016-10-03 and reserved on 2016-10-04. Public sources do not distinguish a voluntary return, revocation, or reclamation. APNIC publishes no fixed period for which it holds returned IPv4 space before reissuing it, so the tracker gives no estimate. This does not confirm availability."},{"raw_change_id":357031,"classification_code":"REMOVED_REASON_UNKNOWN","confidence":"STRONG_INFERENCE","classifier_version":"1.4.0","classified_at":"2026-10-14T00:04:30+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 assigned (dated 2004-08-23) on 2016-10-03 and reserved on 2016-10-04. Public sources do not distinguish a voluntary return, revocation, or reclamation. APNIC publishes no hold period, but its statistics have released returned IPv4 space a year after the removal or later since 2014, so the tracker estimates the hold ends on 2017-10-03. That is what APNIC has done, not a rule it states. This does not confirm availability."}]},"arin_statistics_now":{"status":"not listed"}}