{"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":"181.224.0.0/19","resource_type":"ipv4","page":"https://rirtracker.com/ip/181.224.0.0-181.224.31.255/","statistics_now":{"registry":"LACNIC","status":"allocated (dated 2021-11-30), allocated (dated 2021-12-02), allocated (dated 2021-12-03), allocated (dated 2021-12-08), allocated (dated 2021-12-10), allocated (dated 2021-12-21), allocated (dated 2022-01-03)"},"current_holder":{"rir":"LACNIC","org":null,"how":"LACNIC's latest statistics"},"rdap_snapshots":[],"transfers":[{"id":133178,"date":"2025-02-24T13:00:00Z","type":"RESOURCE_TRANSFER","source_rir":"LACNIC","recipient_rir":"LACNIC","source_org":"R.R BARBOSA","recipient_org":"Master da Web Datacenter LTDA","range":"181.224.24.0/22","log":"LACNIC"}],"events":[{"event_id":"2c63ea7508f5746f","registry":"LACNIC","report_date":"2021-06-07","source":"statistics","raw_action":"REMOVED","raw_line":null,"resource_type":"ipv4","resource":"181.224.0.0/19","start":"181.224.0.0","end":"181.224.31.255","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":"2026-10-14T00:13:18+00:00","page":"https://rirtracker.com/ip/181.224.0.0-181.224.31.255/#e-2c63ea7508f5746f","report_page":"https://rirtracker.com/lacnic/reports/2021-06-07/","evidence_url":"https://rirtracker.com/api/v1/resources/ip/181.224.0.0-181.224.31.255.json","observed":"181.224.0.0/19 allocated on 2021-06-06, reserved on 2021-06-07","hold":{"hold_rule_source_url":"https://www.lacnic.net/1077/1/lacnic","hold_rule_months":6,"estimated_hold_end":"2021-12-07","availability_statement":"Possible reissue candidate after this date; not confirmed available"},"explanation":"Removed from active registration. The tracker found it by comparing LACNIC's daily statistics. LACNIC's statistics show it allocated (dated 2012-09-26) on 2021-06-06 and reserved on 2021-06-07. Public sources do not distinguish a voluntary return, revocation, or reclamation. LACNIC holds returned, revoked and reclaimed IPv4 space for 6 calendar months before reissuing it, so the estimated hold end is 2021-12-07. This does not confirm availability.","evidence":[{"type":"statistics_diff","url":"https://ftp.lacnic.net/pub/stats/lacnic/archive/2021/delegated-lacnic-extended-20210607","retrieved_at":"2026-10-13T00:00:49+00:00","summary":"Found by comparing LACNIC's daily statistics: 181.224.0.0/19 allocated on 2021-06-06, reserved on 2021-06-07"},{"type":"delegated_before","url":"https://ftp.lacnic.net/pub/stats/lacnic/archive/2021/delegated-lacnic-extended-20210606","retrieved_at":"2026-10-13T00:00:43+00:00","summary":"LACNIC delegated statistics 2021-06-06, before the change: allocated (dated 2012-09-26)"},{"type":"delegated_after","url":"https://ftp.lacnic.net/pub/stats/lacnic/archive/2021/delegated-lacnic-extended-20210607","retrieved_at":"2026-10-13T00:00:49+00:00","summary":"LACNIC delegated statistics 2021-06-07, after the change: reserved"}]},{"event_id":"478b9ee1b80049e3","registry":"LACNIC","report_date":"2012-09-26","source":"statistics","raw_action":"ADDED","raw_line":null,"resource_type":"ipv4","resource":"181.224.0.0/19","start":"181.224.0.0","end":"181.224.31.255","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 LACNIC-controlled inventory","inventory_effect_code":"ISSUED","provisional":false,"classifier_version":"1.4.0","classified_at":"2026-10-13T23:54:34+00:00","page":"https://rirtracker.com/ip/181.224.0.0-181.224.31.255/#e-478b9ee1b80049e3","report_page":"https://rirtracker.com/lacnic/reports/2012-09-26/","evidence_url":"https://rirtracker.com/api/v1/resources/ip/181.224.0.0-181.224.31.255.json","observed":"181.224.0.0/19 available on 2012-09-25, allocated on 2012-09-26","explanation":"No transfer record matches. LACNIC's statistics show it available on 2012-09-25 and allocated (dated 2012-09-26) on 2012-09-26. It moved from LACNIC's unissued pool to an active registration dated around that day, so it appears to be newly issued by LACNIC.","evidence":[{"type":"statistics_diff","url":"https://ftp.lacnic.net/pub/stats/lacnic/archive/2012/delegated-lacnic-extended-20120926","retrieved_at":"2026-10-12T18:42:17+00:00","summary":"Found by comparing LACNIC's daily statistics: 181.224.0.0/19 available on 2012-09-25, allocated on 2012-09-26"},{"type":"delegated_before","url":"https://ftp.lacnic.net/pub/stats/lacnic/archive/2012/delegated-lacnic-extended-20120925","retrieved_at":"2026-10-12T18:42:12+00:00","summary":"LACNIC delegated statistics 2012-09-25, before the change: available"},{"type":"delegated_after","url":"https://ftp.lacnic.net/pub/stats/lacnic/archive/2012/delegated-lacnic-extended-20120926","retrieved_at":"2026-10-12T18:42:17+00:00","summary":"LACNIC delegated statistics 2012-09-26, after the change: allocated (dated 2012-09-26)"}]}],"classification_history":{"2c63ea7508f5746f":[{"raw_change_id":480871,"classification_code":"REMOVED_REASON_UNKNOWN","confidence":"STRONG_INFERENCE","classifier_version":"1.3.0","classified_at":"2026-10-13T06:15:20+00:00","current":0,"public_explanation":"Removed from active registration. The tracker found it by comparing LACNIC's daily statistics. LACNIC's statistics show it allocated (dated 2012-09-26) on 2021-06-06 and reserved on 2021-06-07. Public sources do not distinguish a voluntary return, revocation, or reclamation. LACNIC holds returned, revoked and reclaimed IPv4 space for 6 calendar months before reissuing it, so the earliest estimated hold expiration is 2021-12-07. This does not confirm availability."},{"raw_change_id":480871,"classification_code":"REMOVED_REASON_UNKNOWN","confidence":"STRONG_INFERENCE","classifier_version":"1.3.1","classified_at":"2026-10-13T08:23:46+00:00","current":0,"public_explanation":"Removed from active registration. The tracker found it by comparing LACNIC's daily statistics. LACNIC's statistics show it allocated (dated 2012-09-26) on 2021-06-06 and reserved on 2021-06-07. Public sources do not distinguish a voluntary return, revocation, or reclamation. LACNIC holds returned, revoked and reclaimed IPv4 space for 6 calendar months before reissuing it, so the earliest estimated hold expiration is 2021-12-07. This does not confirm availability."},{"raw_change_id":480871,"classification_code":"REMOVED_REASON_UNKNOWN","confidence":"STRONG_INFERENCE","classifier_version":"1.3.2","classified_at":"2026-10-13T15:07:54+00:00","current":0,"public_explanation":"Removed from active registration. The tracker found it by comparing LACNIC's daily statistics. LACNIC's statistics show it allocated (dated 2012-09-26) on 2021-06-06 and reserved on 2021-06-07. Public sources do not distinguish a voluntary return, revocation, or reclamation. LACNIC holds returned, revoked and reclaimed IPv4 space for 6 calendar months before reissuing it, so the earliest estimated hold expiration is 2021-12-07. This does not confirm availability."},{"raw_change_id":480871,"classification_code":"REMOVED_REASON_UNKNOWN","confidence":"STRONG_INFERENCE","classifier_version":"1.4.0","classified_at":"2026-10-14T00:13:18+00:00","current":1,"public_explanation":"Removed from active registration. The tracker found it by comparing LACNIC's daily statistics. LACNIC's statistics show it allocated (dated 2012-09-26) on 2021-06-06 and reserved on 2021-06-07. Public sources do not distinguish a voluntary return, revocation, or reclamation. LACNIC holds returned, revoked and reclaimed IPv4 space for 6 calendar months before reissuing it, so the estimated hold end is 2021-12-07. This does not confirm availability."}],"478b9ee1b80049e3":[{"raw_change_id":195695,"classification_code":"APPARENT_NEW_ISSUANCE","confidence":"STRONG_INFERENCE","classifier_version":"1.3.0","classified_at":"2026-10-13T04:07:33+00:00","current":0,"public_explanation":"No transfer record matches. LACNIC's statistics show it available on 2012-09-25 and allocated (dated 2012-09-26) on 2012-09-26. It moved from LACNIC's unissued pool to an active registration dated around that day, so it appears to be newly issued by LACNIC."},{"raw_change_id":195695,"classification_code":"APPARENT_NEW_ISSUANCE","confidence":"STRONG_INFERENCE","classifier_version":"1.3.1","classified_at":"2026-10-13T08:08:05+00:00","current":0,"public_explanation":"No transfer record matches. LACNIC's statistics show it available on 2012-09-25 and allocated (dated 2012-09-26) on 2012-09-26. It moved from LACNIC's unissued pool to an active registration dated around that day, so it appears to be newly issued by LACNIC."},{"raw_change_id":195695,"classification_code":"APPARENT_NEW_ISSUANCE","confidence":"STRONG_INFERENCE","classifier_version":"1.3.2","classified_at":"2026-10-13T14:50:59+00:00","current":0,"public_explanation":"No transfer record matches. LACNIC's statistics show it available on 2012-09-25 and allocated (dated 2012-09-26) on 2012-09-26. It moved from LACNIC's unissued pool to an active registration dated around that day, so it appears to be newly issued by LACNIC."},{"raw_change_id":195695,"classification_code":"APPARENT_NEW_ISSUANCE","confidence":"STRONG_INFERENCE","classifier_version":"1.4.0","classified_at":"2026-10-13T23:54:34+00:00","current":1,"public_explanation":"No transfer record matches. LACNIC's statistics show it available on 2012-09-25 and allocated (dated 2012-09-26) on 2012-09-26. It moved from LACNIC's unissued pool to an active registration dated around that day, so it appears to be newly issued by LACNIC."}]},"arin_statistics_now":{"status":"not listed"}}