{"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":"160.191.0.0/16","resource_type":"ipv4","page":"https://rirtracker.com/ip/160.191.0.0-160.191.255.255/","statistics_now":{"registry":"APNIC","status":"allocated (61 records, dated 2024-10-12 to 2024-11-15), assigned (76 records, dated 2024-10-12 to 2024-11-13), reserved (2 records)"},"current_holder":{"rir":null,"org":null,"how":null},"rdap_snapshots":[],"transfers":[],"events":[{"event_id":"36aa0283390fc2f4","registry":"APNIC","report_date":"2020-08-03","source":"statistics","raw_action":"RELEASED","raw_line":null,"resource_type":"ipv4","resource":"160.191.0.0/16","start":"160.191.0.0","end":"160.191.255.255","classification":"HOLD_RELEASED","classification_label":"Released from hold (APNIC lists it as 'available')","confidence":"STRONG_INFERENCE","source_rir":null,"recipient_rir":null,"source_organization":null,"recipient_organization":null,"inventory_effect":"APNIC's statistics now list it as 'available'; reissue not confirmed","inventory_effect_code":"RELEASED","provisional":false,"classifier_version":"1.4.0","classified_at":"2026-10-14T00:10:56+00:00","page":"https://rirtracker.com/ip/160.191.0.0-160.191.255.255/#e-36aa0283390fc2f4","report_page":"https://rirtracker.com/apnic/reports/2020-08-03/","evidence_url":"https://rirtracker.com/api/v1/resources/ip/160.191.0.0-160.191.255.255.json","observed":"160.191.0.0/16 reserved on 2020-08-03, available on 2020-08-04","explanation":"APNIC's statistics show it reserved on 2020-08-03 and available on 2020-08-04. APNIC moved it from its reserved (held) records to the status it calls 'available'. The tracker saw it removed from registration on 2013-05-13, 2639 days earlier. That is APNIC's own label: whether and when it is reissued is not confirmed.","evidence":[{"type":"statistics_diff","url":"https://ftp.apnic.net/stats/apnic/2020/delegated-apnic-extended-20200804.gz","retrieved_at":"2026-10-12T23:24:43+00:00","summary":"Found by comparing APNIC's daily statistics: 160.191.0.0/16 reserved on 2020-08-03, available on 2020-08-04"},{"type":"delegated_before","url":"https://ftp.apnic.net/stats/apnic/2020/delegated-apnic-extended-20200803.gz","retrieved_at":"2026-10-12T23:24:40+00:00","summary":"APNIC delegated statistics 2020-08-03, before the change: reserved"},{"type":"delegated_after","url":"https://ftp.apnic.net/stats/apnic/2020/delegated-apnic-extended-20200804.gz","retrieved_at":"2026-10-12T23:24:43+00:00","summary":"APNIC delegated statistics 2020-08-04, after the change: available"}]},{"event_id":"b1864a5724b0dcb5","registry":"APNIC","report_date":"2013-05-13","source":"statistics","raw_action":"REMOVED","raw_line":null,"resource_type":"ipv4","resource":"160.191.0.0/16","start":"160.191.0.0","end":"160.191.255.255","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":"2026-10-13T23:59:36+00:00","page":"https://rirtracker.com/ip/160.191.0.0-160.191.255.255/#e-b1864a5724b0dcb5","report_page":"https://rirtracker.com/apnic/reports/2013-05-13/","evidence_url":"https://rirtracker.com/api/v1/resources/ip/160.191.0.0-160.191.255.255.json","observed":"160.191.0.0/16 allocated on 2013-05-13, reserved on 2013-05-14","explanation":"Removed from active registration. The tracker found it by comparing APNIC's daily statistics. APNIC's statistics show it allocated (dated 1992-06-29) on 2013-05-13 and reserved on 2013-05-14. Public sources do not distinguish a voluntary return, revocation, or reclamation. APNIC publishes no hold period, and its statistics show a steady one (a year) only for removals from 2014-07-01 on; this one came earlier, so the tracker gives no estimate. This does not confirm availability.","evidence":[{"type":"statistics_diff","url":"https://ftp.apnic.net/stats/apnic/2013/delegated-apnic-extended-20130514.gz","retrieved_at":"2026-10-12T20:32:37+00:00","summary":"Found by comparing APNIC's daily statistics: 160.191.0.0/16 allocated on 2013-05-13, reserved on 2013-05-14"},{"type":"delegated_before","url":"https://ftp.apnic.net/stats/apnic/2013/delegated-apnic-extended-20130513.gz","retrieved_at":"2026-10-12T20:32:34+00:00","summary":"APNIC delegated statistics 2013-05-13, before the change: allocated (dated 1992-06-29)"},{"type":"delegated_after","url":"https://ftp.apnic.net/stats/apnic/2013/delegated-apnic-extended-20130514.gz","retrieved_at":"2026-10-12T20:32:37+00:00","summary":"APNIC delegated statistics 2013-05-14, after the change: reserved"}]}],"classification_history":{"36aa0283390fc2f4":[{"raw_change_id":452023,"classification_code":"HOLD_RELEASED","confidence":"STRONG_INFERENCE","classifier_version":"1.3.0","classified_at":"2026-10-13T06:02:05+00:00","current":0,"public_explanation":"APNIC's statistics show it reserved on 2020-08-03 and available on 2020-08-04. APNIC moved it from its reserved (held) records to the status it calls 'available'. The tracker saw it removed from registration on 2013-05-13, 2639 days earlier. That is APNIC's own label: whether and when it is reissued is not confirmed."},{"raw_change_id":452023,"classification_code":"HOLD_RELEASED","confidence":"STRONG_INFERENCE","classifier_version":"1.3.1","classified_at":"2026-10-13T08:21:56+00:00","current":0,"public_explanation":"APNIC's statistics show it reserved on 2020-08-03 and available on 2020-08-04. APNIC moved it from its reserved (held) records to the status it calls 'available'. The tracker saw it removed from registration on 2013-05-13, 2639 days earlier. That is APNIC's own label: whether and when it is reissued is not confirmed."},{"raw_change_id":452023,"classification_code":"HOLD_RELEASED","confidence":"STRONG_INFERENCE","classifier_version":"1.3.2","classified_at":"2026-10-13T15:05:57+00:00","current":0,"public_explanation":"APNIC's statistics show it reserved on 2020-08-03 and available on 2020-08-04. APNIC moved it from its reserved (held) records to the status it calls 'available'. The tracker saw it removed from registration on 2013-05-13, 2639 days earlier. That is APNIC's own label: whether and when it is reissued is not confirmed."},{"raw_change_id":452023,"classification_code":"HOLD_RELEASED","confidence":"STRONG_INFERENCE","classifier_version":"1.4.0","classified_at":"2026-10-14T00:10:56+00:00","current":1,"public_explanation":"APNIC's statistics show it reserved on 2020-08-03 and available on 2020-08-04. APNIC moved it from its reserved (held) records to the status it calls 'available'. The tracker saw it removed from registration on 2013-05-13, 2639 days earlier. That is APNIC's own label: whether and when it is reissued is not confirmed."}],"b1864a5724b0dcb5":[{"raw_change_id":281848,"classification_code":"REMOVED_REASON_UNKNOWN","confidence":"STRONG_INFERENCE","classifier_version":"1.3.0","classified_at":"2026-10-13T04:47:14+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 1992-06-29) on 2013-05-13 and reserved on 2013-05-14. 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":281848,"classification_code":"REMOVED_REASON_UNKNOWN","confidence":"STRONG_INFERENCE","classifier_version":"1.3.1","classified_at":"2026-10-13T08:12:27+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 1992-06-29) on 2013-05-13 and reserved on 2013-05-14. 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":281848,"classification_code":"REMOVED_REASON_UNKNOWN","confidence":"STRONG_INFERENCE","classifier_version":"1.3.2","classified_at":"2026-10-13T14:55:45+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 1992-06-29) on 2013-05-13 and reserved on 2013-05-14. 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":281848,"classification_code":"REMOVED_REASON_UNKNOWN","confidence":"STRONG_INFERENCE","classifier_version":"1.4.0","classified_at":"2026-10-13T23:59:36+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 1992-06-29) on 2013-05-13 and reserved on 2013-05-14. Public sources do not distinguish a voluntary return, revocation, or reclamation. APNIC publishes no hold period, and its statistics show a steady one (a year) only for removals from 2014-07-01 on; this one came earlier, so the tracker gives no estimate. This does not confirm availability."}]},"arin_statistics_now":{"status":"not listed"}}