{"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":"181.224.220.0/23","resource_type":"ipv4","page":"https://rirtracker.com/ip/181.224.220.0-181.224.221.255/","statistics_now":{"registry":"LACNIC","status":"allocated (dated 2023-03-29)"},"current_holder":{"rir":"LACNIC","org":null,"how":"LACNIC's latest statistics"},"rdap_snapshots":[],"transfers":[],"events":[{"event_id":"05475d4783bdf0d6","registry":"LACNIC","report_date":"2023-03-29","source":"statistics","raw_action":"ADDED","raw_line":null,"resource_type":"ipv4","resource":"181.224.220.0/23","start":"181.224.220.0","end":"181.224.221.255","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 LACNIC-controlled inventory","inventory_effect_code":"ISSUED","provisional":false,"classifier_version":"1.4.0","classified_at":"2026-10-14T00:16:31+00:00","page":"https://rirtracker.com/ip/181.224.220.0-181.224.221.255/#e-05475d4783bdf0d6","report_page":"https://rirtracker.com/lacnic/reports/2023-03-29/","evidence_url":"https://rirtracker.com/api/v1/resources/ip/181.224.220.0-181.224.221.255.json","observed":"181.224.220.0/23 available on 2023-03-28, allocated on 2023-03-29","explanation":"No transfer record matches. LACNIC's statistics show it available on 2023-03-28 and allocated (dated 2023-03-29) on 2023-03-29. The tracker saw this range released from hold on 2023-02-27 (181.224.220.0/23), so it appears to have been issued again from LACNIC's pool.","evidence":[{"type":"statistics_diff","url":"https://ftp.lacnic.net/pub/stats/lacnic/archive/2023/delegated-lacnic-extended-20230329","retrieved_at":"2026-10-13T00:59:52+00:00","summary":"Found by comparing LACNIC's daily statistics: 181.224.220.0/23 available on 2023-03-28, allocated on 2023-03-29"},{"type":"delegated_before","url":"https://ftp.lacnic.net/pub/stats/lacnic/archive/2023/delegated-lacnic-extended-20230328","retrieved_at":"2026-10-13T00:59:47+00:00","summary":"LACNIC delegated statistics 2023-03-28, before the change: available"},{"type":"delegated_after","url":"https://ftp.lacnic.net/pub/stats/lacnic/archive/2023/delegated-lacnic-extended-20230329","retrieved_at":"2026-10-13T00:59:52+00:00","summary":"LACNIC delegated statistics 2023-03-29, after the change: allocated (dated 2023-03-29)"}]},{"event_id":"289115fdea116b99","registry":"LACNIC","report_date":"2023-02-27","source":"statistics","raw_action":"RELEASED","raw_line":null,"resource_type":"ipv4","resource":"181.224.220.0/23","start":"181.224.220.0","end":"181.224.221.255","classification":"HOLD_RELEASED","classification_label":"Released from hold (LACNIC lists it as 'available')","confidence":"STRONG_INFERENCE","source_rir":null,"recipient_rir":null,"source_organization":null,"recipient_organization":null,"inventory_effect":"LACNIC's statistics now list it as 'available'; reissue not confirmed","inventory_effect_code":"RELEASED","provisional":false,"classifier_version":"1.4.0","classified_at":"2026-10-14T00:16:18+00:00","page":"https://rirtracker.com/ip/181.224.220.0-181.224.221.255/#e-289115fdea116b99","report_page":"https://rirtracker.com/lacnic/reports/2023-02-27/","evidence_url":"https://rirtracker.com/api/v1/resources/ip/181.224.220.0-181.224.221.255.json","observed":"181.224.220.0/23 reserved on 2023-02-26, available on 2023-02-27","explanation":"LACNIC's statistics show it reserved on 2023-02-26 and available on 2023-02-27. LACNIC moved it from its reserved (held) records to the status it calls 'available'. That is LACNIC's own label: whether and when it is reissued is not confirmed.","evidence":[{"type":"statistics_diff","url":"https://ftp.lacnic.net/pub/stats/lacnic/archive/2023/delegated-lacnic-extended-20230227","retrieved_at":"2026-10-13T00:56:58+00:00","summary":"Found by comparing LACNIC's daily statistics: 181.224.220.0/23 reserved on 2023-02-26, available on 2023-02-27"},{"type":"delegated_before","url":"https://ftp.lacnic.net/pub/stats/lacnic/archive/2023/delegated-lacnic-extended-20230226","retrieved_at":"2026-10-13T00:56:54+00:00","summary":"LACNIC delegated statistics 2023-02-26, before the change: reserved"},{"type":"delegated_after","url":"https://ftp.lacnic.net/pub/stats/lacnic/archive/2023/delegated-lacnic-extended-20230227","retrieved_at":"2026-10-13T00:56:58+00:00","summary":"LACNIC delegated statistics 2023-02-27, after the change: available"}]}],"classification_history":{"05475d4783bdf0d6":[{"raw_change_id":522559,"classification_code":"APPARENT_REISSUANCE","confidence":"STRONG_INFERENCE","classifier_version":"1.3.0","classified_at":"2026-10-13T06:35:26+00:00","current":0,"public_explanation":"No transfer record matches. LACNIC's statistics show it available on 2023-03-28 and allocated (dated 2023-03-29) on 2023-03-29. The tracker saw this range released from hold on 2023-02-27 (181.224.220.0/23), so it appears to have been issued again from LACNIC's pool."},{"raw_change_id":522559,"classification_code":"APPARENT_REISSUANCE","confidence":"STRONG_INFERENCE","classifier_version":"1.3.1","classified_at":"2026-10-13T08:26:23+00:00","current":0,"public_explanation":"No transfer record matches. LACNIC's statistics show it available on 2023-03-28 and allocated (dated 2023-03-29) on 2023-03-29. The tracker saw this range released from hold on 2023-02-27 (181.224.220.0/23), so it appears to have been issued again from LACNIC's pool."},{"raw_change_id":522559,"classification_code":"APPARENT_REISSUANCE","confidence":"STRONG_INFERENCE","classifier_version":"1.3.2","classified_at":"2026-10-13T15:10:44+00:00","current":0,"public_explanation":"No transfer record matches. LACNIC's statistics show it available on 2023-03-28 and allocated (dated 2023-03-29) on 2023-03-29. The tracker saw this range released from hold on 2023-02-27 (181.224.220.0/23), so it appears to have been issued again from LACNIC's pool."},{"raw_change_id":522559,"classification_code":"APPARENT_REISSUANCE","confidence":"STRONG_INFERENCE","classifier_version":"1.4.0","classified_at":"2026-10-14T00:16:31+00:00","current":1,"public_explanation":"No transfer record matches. LACNIC's statistics show it available on 2023-03-28 and allocated (dated 2023-03-29) on 2023-03-29. The tracker saw this range released from hold on 2023-02-27 (181.224.220.0/23), so it appears to have been issued again from LACNIC's pool."}],"289115fdea116b99":[{"raw_change_id":520416,"classification_code":"HOLD_RELEASED","confidence":"STRONG_INFERENCE","classifier_version":"1.3.0","classified_at":"2026-10-13T06:34:35+00:00","current":0,"public_explanation":"LACNIC's statistics show it reserved on 2023-02-26 and available on 2023-02-27. LACNIC moved it from its reserved (held) records to the status it calls 'available'. That is LACNIC's own label: whether and when it is reissued is not confirmed."},{"raw_change_id":520416,"classification_code":"HOLD_RELEASED","confidence":"STRONG_INFERENCE","classifier_version":"1.3.1","classified_at":"2026-10-13T08:26:13+00:00","current":0,"public_explanation":"LACNIC's statistics show it reserved on 2023-02-26 and available on 2023-02-27. LACNIC moved it from its reserved (held) records to the status it calls 'available'. That is LACNIC's own label: whether and when it is reissued is not confirmed."},{"raw_change_id":520416,"classification_code":"HOLD_RELEASED","confidence":"STRONG_INFERENCE","classifier_version":"1.3.2","classified_at":"2026-10-13T15:10:33+00:00","current":0,"public_explanation":"LACNIC's statistics show it reserved on 2023-02-26 and available on 2023-02-27. LACNIC moved it from its reserved (held) records to the status it calls 'available'. That is LACNIC's own label: whether and when it is reissued is not confirmed."},{"raw_change_id":520416,"classification_code":"HOLD_RELEASED","confidence":"STRONG_INFERENCE","classifier_version":"1.4.0","classified_at":"2026-10-14T00:16:18+00:00","current":1,"public_explanation":"LACNIC's statistics show it reserved on 2023-02-26 and available on 2023-02-27. LACNIC moved it from its reserved (held) records to the status it calls 'available'. That is LACNIC's own label: whether and when it is reissued is not confirmed."}]},"arin_statistics_now":{"status":"not listed"}}