{"classifier_version":"1.0.0","generated":"2026-10-10T14:39:54+00:00","documentation":"https://rirtracker.com/api/","disclaimer":"This site independently analyzes publicly available Internet number-resource records. It is not affiliated with or endorsed by the American Registry for Internet Numbers (ARIN), the Number Resource Organization (NRO), or any 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":"142.248.253.0/24","resource_type":"ipv4","page":"https://rirtracker.com/ip/142.248.253.0-142.248.253.255/","arin_statistics_now":{"file_date":"2026-10-10","status":"allocated (dated 2026-01-16)"},"current_holder":{"rir":"ARIN","org":null,"how":"ARIN's statistics for 2026-10-10"},"rdap_snapshots":[],"transfers":[],"events":[{"event_id":"f1356a35248f4f55","report_date":"2026-01-16","source":"arin_issued","raw_action":"ADD","raw_line":"Add 142.248.253.0-142.248.253.255","resource_type":"ipv4","resource":"142.248.253.0/24","start":"142.248.253.0","end":"142.248.253.255","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 ARIN-controlled inventory","inventory_effect_code":"ISSUED","provisional":false,"classifier_version":"1.0.0","classified_at":"2026-10-09T19:28:17+00:00","page":"https://rirtracker.com/ip/142.248.253.0-142.248.253.255/#e-f1356a35248f4f55","evidence_url":"https://rirtracker.com/api/v1/events/f1356a35248f4f55.json","explanation":"No transfer record matches. ARIN's statistics show it reserved on 2026-01-15 and allocated (dated 2026-01-16) on 2026-01-17. The tracker saw this range released from hold on 2026-01-13 (142.248.253.0-142.248.253.255), so it appears to have been issued again from ARIN's pool.","evidence":[{"type":"arin_issued","url":"https://lists.arin.net/pipermail/arin-issued/2026-January/006243.html","retrieved_at":"2026-10-09T18:53:52+00:00","summary":"ARIN-Issued report for 2026-01-16: \"Add 142.248.253.0-142.248.253.255\""},{"type":"delegated_before","url":"https://ftp.arin.net/pub/stats/arin/delegated-arin-extended-20260115","retrieved_at":"2026-10-09T18:55:01+00:00","summary":"ARIN delegated statistics 2026-01-15 (produced 2026-01-15T14:00:48+00:00), before the report: reserved"},{"type":"delegated_after","url":"https://ftp.arin.net/pub/stats/arin/delegated-arin-extended-20260117","retrieved_at":"2026-10-09T18:55:07+00:00","summary":"ARIN delegated statistics 2026-01-17 (produced 2026-01-17T14:00:47+00:00), after the report: allocated (dated 2026-01-16)"}]},{"event_id":"946b75207dc40da4","report_date":"2026-01-16","source":"arin_issued","raw_action":"REMOVE","raw_line":"Remove 142.248.253.0-142.248.253.255","resource_type":"ipv4","resource":"142.248.253.0/24","start":"142.248.253.0","end":"142.248.253.255","classification":"POOL_RECORD_CHANGE","classification_label":"Change to ARIN's own pool record","confidence":"STRONG_INFERENCE","source_rir":null,"recipient_rir":null,"source_organization":null,"recipient_organization":null,"inventory_effect":"Part of the issuance reported the same day","inventory_effect_code":"PAIRED","provisional":false,"classifier_version":"1.0.0","classified_at":"2026-10-09T19:28:17+00:00","page":"https://rirtracker.com/ip/142.248.253.0-142.248.253.255/#e-946b75207dc40da4","evidence_url":"https://rirtracker.com/api/v1/events/946b75207dc40da4.json","explanation":"ARIN's statistics show it reserved on 2026-01-15 and allocated (dated 2026-01-16) on 2026-01-17. ARIN removed its own pool record for this range as part of issuing it: the same report adds 142.248.253.0-142.248.253.255. The issuance is explained on that line.","evidence":[{"type":"arin_issued","url":"https://lists.arin.net/pipermail/arin-issued/2026-January/006243.html","retrieved_at":"2026-10-09T18:53:52+00:00","summary":"ARIN-Issued report for 2026-01-16: \"Remove 142.248.253.0-142.248.253.255\""},{"type":"delegated_before","url":"https://ftp.arin.net/pub/stats/arin/delegated-arin-extended-20260115","retrieved_at":"2026-10-09T18:55:01+00:00","summary":"ARIN delegated statistics 2026-01-15 (produced 2026-01-15T14:00:48+00:00), before the report: reserved"},{"type":"delegated_after","url":"https://ftp.arin.net/pub/stats/arin/delegated-arin-extended-20260117","retrieved_at":"2026-10-09T18:55:07+00:00","summary":"ARIN delegated statistics 2026-01-17 (produced 2026-01-17T14:00:47+00:00), after the report: allocated (dated 2026-01-16)"}]},{"event_id":"873f0c5e54247513","report_date":"2026-01-13","source":"arin_issued","raw_action":"REMOVE","raw_line":"Remove 142.248.253.0-142.248.253.255","resource_type":"ipv4","resource":"142.248.253.0/24","start":"142.248.253.0","end":"142.248.253.255","classification":"NO_MATERIAL_CHANGE","classification_label":"No substantive resource change found","confidence":"STRONG_INFERENCE","source_rir":null,"recipient_rir":null,"source_organization":null,"recipient_organization":null,"inventory_effect":"No effect on ARIN applicant inventory","inventory_effect_code":"NO_EFFECT","provisional":false,"classifier_version":"1.0.0","classified_at":"2026-10-09T19:28:17+00:00","page":"https://rirtracker.com/ip/142.248.253.0-142.248.253.255/#e-873f0c5e54247513","evidence_url":"https://rirtracker.com/api/v1/events/873f0c5e54247513.json","explanation":"ARIN-Issued lists it as \"Remove\", but ARIN's statistics show the same record before and after (reserved).","evidence":[{"type":"arin_issued","url":"https://lists.arin.net/pipermail/arin-issued/2026-January/006240.html","retrieved_at":"2026-10-09T18:53:52+00:00","summary":"ARIN-Issued report for 2026-01-13: \"Remove 142.248.253.0-142.248.253.255\""},{"type":"delegated_before","url":"https://ftp.arin.net/pub/stats/arin/delegated-arin-extended-20260112","retrieved_at":"2026-10-09T18:54:51+00:00","summary":"ARIN delegated statistics 2026-01-12 (produced 2026-01-12T14:00:47+00:00), before the report: reserved"},{"type":"delegated_after","url":"https://ftp.arin.net/pub/stats/arin/delegated-arin-extended-20260114","retrieved_at":"2026-10-09T18:54:57+00:00","summary":"ARIN delegated statistics 2026-01-14 (produced 2026-01-14T14:00:47+00:00), after the report: reserved"}]}],"classification_history":{"f1356a35248f4f55":[{"raw_change_id":361,"classification_code":"APPARENT_REISSUANCE","confidence":"STRONG_INFERENCE","classifier_version":"1.0.0","classified_at":"2026-10-09T19:28:17+00:00","current":1,"public_explanation":"No transfer record matches. ARIN's statistics show it reserved on 2026-01-15 and allocated (dated 2026-01-16) on 2026-01-17. The tracker saw this range released from hold on 2026-01-13 (142.248.253.0-142.248.253.255), so it appears to have been issued again from ARIN's pool."}],"946b75207dc40da4":[{"raw_change_id":355,"classification_code":"POOL_RECORD_CHANGE","confidence":"STRONG_INFERENCE","classifier_version":"1.0.0","classified_at":"2026-10-09T19:28:17+00:00","current":1,"public_explanation":"ARIN's statistics show it reserved on 2026-01-15 and allocated (dated 2026-01-16) on 2026-01-17. ARIN removed its own pool record for this range as part of issuing it: the same report adds 142.248.253.0-142.248.253.255. The issuance is explained on that line."}],"873f0c5e54247513":[{"raw_change_id":116,"classification_code":"NO_MATERIAL_CHANGE","confidence":"STRONG_INFERENCE","classifier_version":"1.0.0","classified_at":"2026-10-09T19:28:17+00:00","current":1,"public_explanation":"ARIN-Issued lists it as \"Remove\", but ARIN's statistics show the same record before and after (reserved)."}]}}