{"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":"AS28591","resource_type":"asn","page":"https://rirtracker.com/asn/28591/","statistics_now":{"registry":"LACNIC","status":"allocated (dated 2004-12-14)"},"current_holder":{"rir":"LACNIC","org":null,"how":"LACNIC's latest statistics"},"rdap_snapshots":[],"transfers":[],"events":[{"event_id":"479d79353c1a7124","registry":"LACNIC","report_date":"2013-02-28","source":"statistics","raw_action":"ADDED","raw_line":null,"resource_type":"asn","resource":"AS28591","start":28591,"end":28591,"classification":"UNRESOLVED","classification_label":"Unresolved change","confidence":"OBSERVED_ONLY","source_rir":null,"recipient_rir":null,"source_organization":null,"recipient_organization":null,"inventory_effect":"Inventory effect unknown","inventory_effect_code":"UNKNOWN","provisional":false,"classifier_version":"1.4.0","classified_at":"2026-10-13T23:57:17+00:00","page":"https://rirtracker.com/asn/28591/#e-479d79353c1a7124","report_page":"https://rirtracker.com/lacnic/reports/2013-02-28/","evidence_url":"https://rirtracker.com/api/v1/resources/asn/28591.json","observed":"AS28591 available on 2013-02-27, allocated on 2013-02-28","explanation":"No transfer record matches. LACNIC's statistics show it available on 2013-02-27 and allocated (dated 2004-12-14) on 2013-02-28. The new registration isn't dated near that day, so the tracker can't tell whether this is a new issuance.","evidence":[{"type":"statistics_diff","url":"https://ftp.lacnic.net/pub/stats/lacnic/archive/2013/delegated-lacnic-extended-20130228","retrieved_at":"2026-10-12T19:38:19+00:00","summary":"Found by comparing LACNIC's daily statistics: AS28591 available on 2013-02-27, allocated on 2013-02-28"},{"type":"delegated_before","url":"https://ftp.lacnic.net/pub/stats/lacnic/archive/2013/delegated-lacnic-extended-20130227","retrieved_at":"2026-10-12T19:38:15+00:00","summary":"LACNIC delegated statistics 2013-02-27, before the change: available"},{"type":"delegated_after","url":"https://ftp.lacnic.net/pub/stats/lacnic/archive/2013/delegated-lacnic-extended-20130228","retrieved_at":"2026-10-12T19:38:19+00:00","summary":"LACNIC delegated statistics 2013-02-28, after the change: allocated (dated 2004-12-14)"}]},{"event_id":"89a824846d4d85d7","registry":"LACNIC","report_date":"2012-07-19","source":"statistics","raw_action":"REMOVED","raw_line":null,"resource_type":"asn","resource":"AS28591","start":28591,"end":28591,"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":"2026-10-13T23:51:09+00:00","page":"https://rirtracker.com/asn/28591/#e-89a824846d4d85d7","report_page":"https://rirtracker.com/lacnic/reports/2012-07-19/","evidence_url":"https://rirtracker.com/api/v1/resources/asn/28591.json","observed":"AS28591 allocated on 2012-07-18, available on 2012-07-19","explanation":"Removed from active registration. The tracker found it by comparing LACNIC's daily statistics. LACNIC's statistics show it allocated (dated 2004-12-07) on 2012-07-18 and available on 2012-07-19. Public sources do not distinguish a voluntary return, revocation, or reclamation. LACNIC publishes no fixed period for which it holds returned ASNs before reissuing them, so the tracker gives no estimate. This does not confirm availability.","evidence":[{"type":"statistics_diff","url":"https://ftp.lacnic.net/pub/stats/lacnic/archive/2012/delegated-lacnic-extended-20120719","retrieved_at":"2026-10-12T18:37:27+00:00","summary":"Found by comparing LACNIC's daily statistics: AS28591 allocated on 2012-07-18, available on 2012-07-19"},{"type":"delegated_before","url":"https://ftp.lacnic.net/pub/stats/lacnic/archive/2012/delegated-lacnic-extended-20120718","retrieved_at":"2026-10-12T18:37:22+00:00","summary":"LACNIC delegated statistics 2012-07-18, before the change: allocated (dated 2004-12-07)"},{"type":"delegated_after","url":"https://ftp.lacnic.net/pub/stats/lacnic/archive/2012/delegated-lacnic-extended-20120719","retrieved_at":"2026-10-12T18:37:27+00:00","summary":"LACNIC delegated statistics 2012-07-19, after the change: available"}]}],"classification_history":{"479d79353c1a7124":[{"raw_change_id":243985,"classification_code":"UNRESOLVED","confidence":"OBSERVED_ONLY","classifier_version":"1.3.0","classified_at":"2026-10-13T04:28:09+00:00","current":0,"public_explanation":"No transfer record matches. LACNIC's statistics show it available on 2013-02-27 and allocated (dated 2004-12-14) on 2013-02-28. The new registration isn't dated near that day, so the tracker can't tell whether this is a new issuance."},{"raw_change_id":243985,"classification_code":"UNRESOLVED","confidence":"OBSERVED_ONLY","classifier_version":"1.3.1","classified_at":"2026-10-13T08:10:26+00:00","current":0,"public_explanation":"No transfer record matches. LACNIC's statistics show it available on 2013-02-27 and allocated (dated 2004-12-14) on 2013-02-28. The new registration isn't dated near that day, so the tracker can't tell whether this is a new issuance."},{"raw_change_id":243985,"classification_code":"UNRESOLVED","confidence":"OBSERVED_ONLY","classifier_version":"1.3.2","classified_at":"2026-10-13T14:53:33+00:00","current":0,"public_explanation":"No transfer record matches. LACNIC's statistics show it available on 2013-02-27 and allocated (dated 2004-12-14) on 2013-02-28. The new registration isn't dated near that day, so the tracker can't tell whether this is a new issuance."},{"raw_change_id":243985,"classification_code":"UNRESOLVED","confidence":"OBSERVED_ONLY","classifier_version":"1.4.0","classified_at":"2026-10-13T23:57:17+00:00","current":1,"public_explanation":"No transfer record matches. LACNIC's statistics show it available on 2013-02-27 and allocated (dated 2004-12-14) on 2013-02-28. The new registration isn't dated near that day, so the tracker can't tell whether this is a new issuance."}],"89a824846d4d85d7":[{"raw_change_id":131085,"classification_code":"REMOVED_REASON_UNKNOWN","confidence":"STRONG_INFERENCE","classifier_version":"1.3.0","classified_at":"2026-10-13T03:23:11+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 2004-12-07) on 2012-07-18 and available on 2012-07-19. Public sources do not distinguish a voluntary return, revocation, or reclamation. LACNIC publishes no fixed period for which it holds returned ASNs before reissuing them, so the tracker gives no estimate. This does not confirm availability."},{"raw_change_id":131085,"classification_code":"REMOVED_REASON_UNKNOWN","confidence":"STRONG_INFERENCE","classifier_version":"1.3.1","classified_at":"2026-10-13T08:05:32+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 2004-12-07) on 2012-07-18 and available on 2012-07-19. Public sources do not distinguish a voluntary return, revocation, or reclamation. LACNIC publishes no fixed period for which it holds returned ASNs before reissuing them, so the tracker gives no estimate. This does not confirm availability."},{"raw_change_id":131085,"classification_code":"REMOVED_REASON_UNKNOWN","confidence":"STRONG_INFERENCE","classifier_version":"1.3.2","classified_at":"2026-10-13T14:48:08+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 2004-12-07) on 2012-07-18 and available on 2012-07-19. Public sources do not distinguish a voluntary return, revocation, or reclamation. LACNIC publishes no fixed period for which it holds returned ASNs before reissuing them, so the tracker gives no estimate. This does not confirm availability."},{"raw_change_id":131085,"classification_code":"REMOVED_REASON_UNKNOWN","confidence":"STRONG_INFERENCE","classifier_version":"1.4.0","classified_at":"2026-10-13T23:51:09+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 2004-12-07) on 2012-07-18 and available on 2012-07-19. Public sources do not distinguish a voluntary return, revocation, or reclamation. LACNIC publishes no fixed period for which it holds returned ASNs before reissuing them, so the tracker gives no estimate. This does not confirm availability."}]},"arin_statistics_now":{"status":"not listed"}}