{"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":"223.130.28.0/22","resource_type":"ipv4","page":"https://rirtracker.com/ip/223.130.28.0-223.130.31.255/","statistics_now":{"registry":"APNIC","status":"assigned (dated 2015-11-05)"},"current_holder":{"rir":"APNIC","org":null,"how":"APNIC's latest statistics"},"rdap_snapshots":[],"transfers":[],"events":[{"event_id":"f87f269dd1ad4994","registry":"APNIC","report_date":"2015-11-05","source":"statistics","raw_action":"ADDED","raw_line":null,"resource_type":"ipv4","resource":"223.130.28.0/22","start":"223.130.28.0","end":"223.130.31.255","classification":"APPARENT_REISSUANCE","classification_label":"Apparent reissuance of previously removed resource","confidence":"STRONG_INFERENCE","source_rir":null,"recipient_rir":null,"source_organization":null,"recipient_organization":null,"inventory_effect":"Likely issued from APNIC-controlled inventory","inventory_effect_code":"ISSUED","provisional":false,"classifier_version":"1.4.0","classified_at":"2026-10-14T00:03:01+00:00","page":"https://rirtracker.com/ip/223.130.28.0-223.130.31.255/#e-f87f269dd1ad4994","report_page":"https://rirtracker.com/apnic/reports/2015-11-05/","evidence_url":"https://rirtracker.com/api/v1/resources/ip/223.130.28.0-223.130.31.255.json","observed":"223.130.28.0/22 available on 2015-11-05, assigned on 2015-11-06","explanation":"No transfer record matches. APNIC's statistics show it available on 2015-11-05 and assigned (dated 2015-11-05) on 2015-11-06. The tracker saw this range released from hold on 2015-10-28 (223.130.28.0/22), so it appears to have been issued again from APNIC's pool.","evidence":[{"type":"statistics_diff","url":"https://ftp.apnic.net/stats/apnic/2015/delegated-apnic-extended-20151106.gz","retrieved_at":"2026-10-12T21:27:17+00:00","summary":"Found by comparing APNIC's daily statistics: 223.130.28.0/22 available on 2015-11-05, assigned on 2015-11-06"},{"type":"delegated_before","url":"https://ftp.apnic.net/stats/apnic/2015/delegated-apnic-extended-20151105.gz","retrieved_at":"2026-10-12T21:27:13+00:00","summary":"APNIC delegated statistics 2015-11-05, before the change: available"},{"type":"delegated_after","url":"https://ftp.apnic.net/stats/apnic/2015/delegated-apnic-extended-20151106.gz","retrieved_at":"2026-10-12T21:27:17+00:00","summary":"APNIC delegated statistics 2015-11-06, after the change: assigned (dated 2015-11-05)"}]},{"event_id":"a1ac673849b16af7","registry":"APNIC","report_date":"2015-10-28","source":"statistics","raw_action":"RELEASED","raw_line":null,"resource_type":"ipv4","resource":"223.130.28.0/22","start":"223.130.28.0","end":"223.130.31.255","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":"2026-10-14T00:02:58+00:00","page":"https://rirtracker.com/ip/223.130.28.0-223.130.31.255/#e-a1ac673849b16af7","report_page":"https://rirtracker.com/apnic/reports/2015-10-28/","evidence_url":"https://rirtracker.com/api/v1/resources/ip/223.130.28.0-223.130.31.255.json","observed":"223.130.28.0/22 reserved on 2015-10-28, available on 2015-10-29","explanation":"APNIC's statistics show it reserved on 2015-10-28 and available on 2015-10-29. APNIC moved it from its reserved (held) records to the status it calls 'available'. The tracker saw it removed from registration on 2012-02-02, 1364 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/2015/delegated-apnic-extended-20151029.gz","retrieved_at":"2026-10-12T21:26:44+00:00","summary":"Found by comparing APNIC's daily statistics: 223.130.28.0/22 reserved on 2015-10-28, available on 2015-10-29"},{"type":"delegated_before","url":"https://ftp.apnic.net/stats/apnic/2015/delegated-apnic-extended-20151028.gz","retrieved_at":"2026-10-12T21:26:41+00:00","summary":"APNIC delegated statistics 2015-10-28, before the change: reserved"},{"type":"delegated_after","url":"https://ftp.apnic.net/stats/apnic/2015/delegated-apnic-extended-20151029.gz","retrieved_at":"2026-10-12T21:26:44+00:00","summary":"APNIC delegated statistics 2015-10-29, after the change: available"}]},{"event_id":"88a498dcb0b0471b","registry":"APNIC","report_date":"2012-02-02","source":"statistics","raw_action":"REMOVED","raw_line":null,"resource_type":"ipv4","resource":"223.130.28.0/22","start":"223.130.28.0","end":"223.130.31.255","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":"2026-10-13T23:57:56+00:00","page":"https://rirtracker.com/ip/223.130.28.0-223.130.31.255/#e-88a498dcb0b0471b","report_page":"https://rirtracker.com/apnic/reports/2012-02-02/","evidence_url":"https://rirtracker.com/api/v1/resources/ip/223.130.28.0-223.130.31.255.json","observed":"223.130.28.0/22 allocated on 2012-02-02, reserved on 2012-02-03","explanation":"Removed from active registration. The tracker found it by comparing APNIC's daily statistics. APNIC's statistics show it allocated (dated 2011-03-10) on 2012-02-02 and reserved on 2012-02-03. 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/2012/delegated-apnic-extended-20120203.gz","retrieved_at":"2026-10-12T19:54:23+00:00","summary":"Found by comparing APNIC's daily statistics: 223.130.28.0/22 allocated on 2012-02-02, reserved on 2012-02-03"},{"type":"delegated_before","url":"https://ftp.apnic.net/stats/apnic/2012/delegated-apnic-extended-20120202.gz","retrieved_at":"2026-10-12T19:54:19+00:00","summary":"APNIC delegated statistics 2012-02-02, before the change: allocated (dated 2011-03-10)"},{"type":"delegated_after","url":"https://ftp.apnic.net/stats/apnic/2012/delegated-apnic-extended-20120203.gz","retrieved_at":"2026-10-12T19:54:23+00:00","summary":"APNIC delegated statistics 2012-02-03, after the change: reserved"}]},{"event_id":"f99abcc338182d82","registry":"APNIC","report_date":"2011-03-09","source":"statistics","raw_action":"ADDED","raw_line":null,"resource_type":"ipv4","resource":"223.130.28.0/22","start":"223.130.28.0","end":"223.130.31.255","classification":"APPARENT_NEW_ISSUANCE","classification_label":"Apparent new issuance","confidence":"STRONG_INFERENCE","source_rir":null,"recipient_rir":null,"source_organization":null,"recipient_organization":null,"inventory_effect":"Likely issued from APNIC-controlled inventory","inventory_effect_code":"ISSUED","provisional":false,"classifier_version":"1.4.0","classified_at":"2026-10-13T23:57:06+00:00","page":"https://rirtracker.com/ip/223.130.28.0-223.130.31.255/#e-f99abcc338182d82","report_page":"https://rirtracker.com/apnic/reports/2011-03-09/","evidence_url":"https://rirtracker.com/api/v1/resources/ip/223.130.28.0-223.130.31.255.json","observed":"223.130.28.0/22 available on 2011-03-09, allocated on 2011-03-10","explanation":"No transfer record matches. APNIC's statistics show it available on 2011-03-09 and allocated (dated 2011-03-10) on 2011-03-10. It moved from APNIC's unissued pool to an active registration dated around that day, so it appears to be newly issued by APNIC.","evidence":[{"type":"statistics_diff","url":"https://ftp.apnic.net/stats/apnic/2011/delegated-apnic-extended-20110310.gz","retrieved_at":"2026-10-12T19:35:00+00:00","summary":"Found by comparing APNIC's daily statistics: 223.130.28.0/22 available on 2011-03-09, allocated on 2011-03-10"},{"type":"delegated_before","url":"https://ftp.apnic.net/stats/apnic/2011/delegated-apnic-extended-20110309.gz","retrieved_at":"2026-10-12T19:34:56+00:00","summary":"APNIC delegated statistics 2011-03-09, before the change: available"},{"type":"delegated_after","url":"https://ftp.apnic.net/stats/apnic/2011/delegated-apnic-extended-20110310.gz","retrieved_at":"2026-10-12T19:35:00+00:00","summary":"APNIC delegated statistics 2011-03-10, after the change: allocated (dated 2011-03-10)"}]}],"classification_history":{"f87f269dd1ad4994":[{"raw_change_id":333914,"classification_code":"APPARENT_REISSUANCE","confidence":"STRONG_INFERENCE","classifier_version":"1.3.0","classified_at":"2026-10-13T05:11:30+00:00","current":0,"public_explanation":"No transfer record matches. APNIC's statistics show it available on 2015-11-05 and assigned (dated 2015-11-05) on 2015-11-06. The tracker saw this range released from hold on 2015-10-28 (223.130.28.0/22), so it appears to have been issued again from APNIC's pool."},{"raw_change_id":333914,"classification_code":"APPARENT_REISSUANCE","confidence":"STRONG_INFERENCE","classifier_version":"1.3.1","classified_at":"2026-10-13T08:15:22+00:00","current":0,"public_explanation":"No transfer record matches. APNIC's statistics show it available on 2015-11-05 and assigned (dated 2015-11-05) on 2015-11-06. The tracker saw this range released from hold on 2015-10-28 (223.130.28.0/22), so it appears to have been issued again from APNIC's pool."},{"raw_change_id":333914,"classification_code":"APPARENT_REISSUANCE","confidence":"STRONG_INFERENCE","classifier_version":"1.3.2","classified_at":"2026-10-13T14:58:53+00:00","current":0,"public_explanation":"No transfer record matches. APNIC's statistics show it available on 2015-11-05 and assigned (dated 2015-11-05) on 2015-11-06. The tracker saw this range released from hold on 2015-10-28 (223.130.28.0/22), so it appears to have been issued again from APNIC's pool."},{"raw_change_id":333914,"classification_code":"APPARENT_REISSUANCE","confidence":"STRONG_INFERENCE","classifier_version":"1.4.0","classified_at":"2026-10-14T00:03:01+00:00","current":1,"public_explanation":"No transfer record matches. APNIC's statistics show it available on 2015-11-05 and assigned (dated 2015-11-05) on 2015-11-06. The tracker saw this range released from hold on 2015-10-28 (223.130.28.0/22), so it appears to have been issued again from APNIC's pool."}],"a1ac673849b16af7":[{"raw_change_id":333318,"classification_code":"HOLD_RELEASED","confidence":"STRONG_INFERENCE","classifier_version":"1.3.0","classified_at":"2026-10-13T05:11:14+00:00","current":0,"public_explanation":"APNIC's statistics show it reserved on 2015-10-28 and available on 2015-10-29. APNIC moved it from its reserved (held) records to the status it calls 'available'. The tracker saw it removed from registration on 2012-02-02, 1364 days earlier. That is APNIC's own label: whether and when it is reissued is not confirmed."},{"raw_change_id":333318,"classification_code":"HOLD_RELEASED","confidence":"STRONG_INFERENCE","classifier_version":"1.3.1","classified_at":"2026-10-13T08:15:20+00:00","current":0,"public_explanation":"APNIC's statistics show it reserved on 2015-10-28 and available on 2015-10-29. APNIC moved it from its reserved (held) records to the status it calls 'available'. The tracker saw it removed from registration on 2012-02-02, 1364 days earlier. That is APNIC's own label: whether and when it is reissued is not confirmed."},{"raw_change_id":333318,"classification_code":"HOLD_RELEASED","confidence":"STRONG_INFERENCE","classifier_version":"1.3.2","classified_at":"2026-10-13T14:58:51+00:00","current":0,"public_explanation":"APNIC's statistics show it reserved on 2015-10-28 and available on 2015-10-29. APNIC moved it from its reserved (held) records to the status it calls 'available'. The tracker saw it removed from registration on 2012-02-02, 1364 days earlier. That is APNIC's own label: whether and when it is reissued is not confirmed."},{"raw_change_id":333318,"classification_code":"HOLD_RELEASED","confidence":"STRONG_INFERENCE","classifier_version":"1.4.0","classified_at":"2026-10-14T00:02:58+00:00","current":1,"public_explanation":"APNIC's statistics show it reserved on 2015-10-28 and available on 2015-10-29. APNIC moved it from its reserved (held) records to the status it calls 'available'. The tracker saw it removed from registration on 2012-02-02, 1364 days earlier. That is APNIC's own label: whether and when it is reissued is not confirmed."}],"88a498dcb0b0471b":[{"raw_change_id":254862,"classification_code":"REMOVED_REASON_UNKNOWN","confidence":"STRONG_INFERENCE","classifier_version":"1.3.0","classified_at":"2026-10-13T04:33:08+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 2011-03-10) on 2012-02-02 and reserved on 2012-02-03. 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":254862,"classification_code":"REMOVED_REASON_UNKNOWN","confidence":"STRONG_INFERENCE","classifier_version":"1.3.1","classified_at":"2026-10-13T08:11:00+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 2011-03-10) on 2012-02-02 and reserved on 2012-02-03. 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":254862,"classification_code":"REMOVED_REASON_UNKNOWN","confidence":"STRONG_INFERENCE","classifier_version":"1.3.2","classified_at":"2026-10-13T14:54:11+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 2011-03-10) on 2012-02-02 and reserved on 2012-02-03. 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":254862,"classification_code":"REMOVED_REASON_UNKNOWN","confidence":"STRONG_INFERENCE","classifier_version":"1.4.0","classified_at":"2026-10-13T23:57:56+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 2011-03-10) on 2012-02-02 and reserved on 2012-02-03. 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."}],"f99abcc338182d82":[{"raw_change_id":240567,"classification_code":"APPARENT_NEW_ISSUANCE","confidence":"STRONG_INFERENCE","classifier_version":"1.3.0","classified_at":"2026-10-13T04:25:50+00:00","current":0,"public_explanation":"No transfer record matches. APNIC's statistics show it available on 2011-03-09 and allocated (dated 2011-03-10) on 2011-03-10. It moved from APNIC's unissued pool to an active registration dated around that day, so it appears to be newly issued by APNIC."},{"raw_change_id":240567,"classification_code":"APPARENT_NEW_ISSUANCE","confidence":"STRONG_INFERENCE","classifier_version":"1.3.1","classified_at":"2026-10-13T08:10:17+00:00","current":0,"public_explanation":"No transfer record matches. APNIC's statistics show it available on 2011-03-09 and allocated (dated 2011-03-10) on 2011-03-10. It moved from APNIC's unissued pool to an active registration dated around that day, so it appears to be newly issued by APNIC."},{"raw_change_id":240567,"classification_code":"APPARENT_NEW_ISSUANCE","confidence":"STRONG_INFERENCE","classifier_version":"1.3.2","classified_at":"2026-10-13T14:53:23+00:00","current":0,"public_explanation":"No transfer record matches. APNIC's statistics show it available on 2011-03-09 and allocated (dated 2011-03-10) on 2011-03-10. It moved from APNIC's unissued pool to an active registration dated around that day, so it appears to be newly issued by APNIC."},{"raw_change_id":240567,"classification_code":"APPARENT_NEW_ISSUANCE","confidence":"STRONG_INFERENCE","classifier_version":"1.4.0","classified_at":"2026-10-13T23:57:06+00:00","current":1,"public_explanation":"No transfer record matches. APNIC's statistics show it available on 2011-03-09 and allocated (dated 2011-03-10) on 2011-03-10. It moved from APNIC's unissued pool to an active registration dated around that day, so it appears to be newly issued by APNIC."}]},"arin_statistics_now":{"status":"not listed"}}