{"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":"39.131.254.0/24","resource_type":"ipv4","page":"https://rirtracker.com/ip/39.131.254.0-39.131.254.255/","statistics_now":{"registry":"APNIC","status":"allocated (dated 2011-04-01)"},"current_holder":{"rir":"APNIC","org":null,"how":"APNIC's latest statistics"},"rdap_snapshots":[],"transfers":[],"events":[{"event_id":"af94be41c571f9eb","registry":"APNIC","report_date":"2011-03-28","source":"statistics","raw_action":"REMOVED","raw_line":null,"resource_type":"ipv4","resource":"39.131.254.0/24","start":"39.131.254.0","end":"39.131.254.255","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":"2026-10-13T23:57:09+00:00","page":"https://rirtracker.com/ip/39.131.254.0-39.131.254.255/#e-af94be41c571f9eb","report_page":"https://rirtracker.com/apnic/reports/2011-03-28/","evidence_url":"https://rirtracker.com/api/v1/resources/ip/39.131.254.0-39.131.254.255.json","observed":"39.131.254.0/24 assigned on 2011-03-28, available on 2011-03-29","explanation":"Removed from active registration. The tracker found it by comparing APNIC's daily statistics. APNIC's statistics show it assigned (dated 2011-03-08) on 2011-03-28 and available on 2011-03-29. 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/2011/delegated-apnic-extended-20110329.gz","retrieved_at":"2026-10-12T19:36:03+00:00","summary":"Found by comparing APNIC's daily statistics: 39.131.254.0/24 assigned on 2011-03-28, available on 2011-03-29"},{"type":"delegated_before","url":"https://ftp.apnic.net/stats/apnic/2011/delegated-apnic-extended-20110328.gz","retrieved_at":"2026-10-12T19:35:59+00:00","summary":"APNIC delegated statistics 2011-03-28, before the change: assigned (dated 2011-03-08)"},{"type":"delegated_after","url":"https://ftp.apnic.net/stats/apnic/2011/delegated-apnic-extended-20110329.gz","retrieved_at":"2026-10-12T19:36:03+00:00","summary":"APNIC delegated statistics 2011-03-29, after the change: available"}]},{"event_id":"c59895b636951c66","registry":"APNIC","report_date":"2011-03-08","source":"statistics","raw_action":"ADDED","raw_line":null,"resource_type":"ipv4","resource":"39.131.254.0/24","start":"39.131.254.0","end":"39.131.254.255","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/39.131.254.0-39.131.254.255/#e-c59895b636951c66","report_page":"https://rirtracker.com/apnic/reports/2011-03-08/","evidence_url":"https://rirtracker.com/api/v1/resources/ip/39.131.254.0-39.131.254.255.json","observed":"39.131.254.0/24 available on 2011-03-08, assigned on 2011-03-09","explanation":"No transfer record matches. APNIC's statistics show it available on 2011-03-08 and assigned (dated 2011-03-08) on 2011-03-09. 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-20110309.gz","retrieved_at":"2026-10-12T19:34:56+00:00","summary":"Found by comparing APNIC's daily statistics: 39.131.254.0/24 available on 2011-03-08, assigned on 2011-03-09"},{"type":"delegated_before","url":"https://ftp.apnic.net/stats/apnic/2011/delegated-apnic-extended-20110308.gz","retrieved_at":"2026-10-12T19:34:53+00:00","summary":"APNIC delegated statistics 2011-03-08, before the change: available"},{"type":"delegated_after","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, after the change: assigned (dated 2011-03-08)"}]}],"classification_history":{"af94be41c571f9eb":[{"raw_change_id":241279,"classification_code":"REMOVED_REASON_UNKNOWN","confidence":"STRONG_INFERENCE","classifier_version":"1.3.0","classified_at":"2026-10-13T04:26:07+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 assigned (dated 2011-03-08) on 2011-03-28 and available on 2011-03-29. 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":241279,"classification_code":"REMOVED_REASON_UNKNOWN","confidence":"STRONG_INFERENCE","classifier_version":"1.3.1","classified_at":"2026-10-13T08:10:19+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 assigned (dated 2011-03-08) on 2011-03-28 and available on 2011-03-29. 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":241279,"classification_code":"REMOVED_REASON_UNKNOWN","confidence":"STRONG_INFERENCE","classifier_version":"1.3.2","classified_at":"2026-10-13T14:53:26+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 assigned (dated 2011-03-08) on 2011-03-28 and available on 2011-03-29. 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":241279,"classification_code":"REMOVED_REASON_UNKNOWN","confidence":"STRONG_INFERENCE","classifier_version":"1.4.0","classified_at":"2026-10-13T23:57:09+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 assigned (dated 2011-03-08) on 2011-03-28 and available on 2011-03-29. 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."}],"c59895b636951c66":[{"raw_change_id":240514,"classification_code":"APPARENT_NEW_ISSUANCE","confidence":"STRONG_INFERENCE","classifier_version":"1.3.0","classified_at":"2026-10-13T04:25:48+00:00","current":0,"public_explanation":"No transfer record matches. APNIC's statistics show it available on 2011-03-08 and assigned (dated 2011-03-08) on 2011-03-09. 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":240514,"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 2011-03-08 and assigned (dated 2011-03-08) on 2011-03-09. 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":240514,"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 2011-03-08 and assigned (dated 2011-03-08) on 2011-03-09. 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":240514,"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 2011-03-08 and assigned (dated 2011-03-08) on 2011-03-09. 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"}}