{"classifier_version":"1.0.0","generated":"2026-10-09T21:19:22+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":"63.141.38.0/24","resource_type":"ipv4","page":"https://rirtracker.com/ip/63.141.38.0-63.141.38.255/","arin_statistics_now":{"file_date":"2026-10-09","status":"allocated (dated 2026-10-06)"},"current_holder":{"rir":"ARIN","org":null,"how":"ARIN's statistics for 2026-10-09"},"rdap_snapshots":[],"transfers":[{"id":9006,"date":"2017-03-20T15:26:32Z","type":"RESOURCE_TRANSFER","source_rir":"ARIN","recipient_rir":"ARIN","source_org":"NOC 24 COMMUNICATIONS LLC","recipient_org":"Continental Building Products Operating Company LLC","range":"63.141.38.0/24"},{"id":6632,"date":"2016-03-21T18:29:39Z","type":"MERGER_ACQUISITION","source_rir":"ARIN","recipient_rir":"ARIN","source_org":"NOC24 LLC","recipient_org":"NOC 24 COMMUNICATIONS LLC","range":"63.141.32.0/19"}],"events":[{"event_id":"ac38b07f420850e5","report_date":"2026-10-06","source":"arin_issued","raw_action":"ADD","raw_line":"Add 63.141.38.0-63.141.38.255","resource_type":"ipv4","resource":"63.141.38.0/24","start":"63.141.38.0","end":"63.141.38.255","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":true,"classifier_version":"1.0.0","classified_at":"2026-10-09T19:28:27+00:00","page":"https://rirtracker.com/ip/63.141.38.0-63.141.38.255/#e-ac38b07f420850e5","evidence_url":"https://rirtracker.com/api/v1/events/ac38b07f420850e5.json","explanation":"No transfer record matches. ARIN's statistics show it reserved on 2026-10-05 and allocated (dated 2026-10-06) on 2026-10-07. The tracker saw this range released from hold on 2026-10-02 (63.141.38.0-63.141.38.255), 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-October/006510.html","retrieved_at":"2026-10-09T18:54:11+00:00","summary":"ARIN-Issued report for 2026-10-06: \"Add 63.141.38.0-63.141.38.255\""},{"type":"delegated_before","url":"https://ftp.arin.net/pub/stats/arin/delegated-arin-extended-20261005","retrieved_at":"2026-10-09T19:08:43+00:00","summary":"ARIN delegated statistics 2026-10-05 (produced 2026-10-05T13:00:21+00:00), before the report: reserved"},{"type":"delegated_after","url":"https://ftp.arin.net/pub/stats/arin/delegated-arin-extended-20261007","retrieved_at":"2026-10-09T19:08:50+00:00","summary":"ARIN delegated statistics 2026-10-07 (produced 2026-10-07T13:00:22+00:00), after the report: allocated (dated 2026-10-06)"}]},{"event_id":"917df388f4eb9793","report_date":"2026-10-06","source":"arin_issued","raw_action":"REMOVE","raw_line":"Remove 63.141.38.0-63.141.38.255","resource_type":"ipv4","resource":"63.141.38.0/24","start":"63.141.38.0","end":"63.141.38.255","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":true,"classifier_version":"1.0.0","classified_at":"2026-10-09T19:28:27+00:00","page":"https://rirtracker.com/ip/63.141.38.0-63.141.38.255/#e-917df388f4eb9793","evidence_url":"https://rirtracker.com/api/v1/events/917df388f4eb9793.json","explanation":"ARIN's statistics show it reserved on 2026-10-05 and allocated (dated 2026-10-06) on 2026-10-07. ARIN removed its own pool record for this range as part of issuing it: the same report adds 63.141.38.0-63.141.38.255. The issuance is explained on that line.","evidence":[{"type":"arin_issued","url":"https://lists.arin.net/pipermail/arin-issued/2026-October/006510.html","retrieved_at":"2026-10-09T18:54:11+00:00","summary":"ARIN-Issued report for 2026-10-06: \"Remove 63.141.38.0-63.141.38.255\""},{"type":"delegated_before","url":"https://ftp.arin.net/pub/stats/arin/delegated-arin-extended-20261005","retrieved_at":"2026-10-09T19:08:43+00:00","summary":"ARIN delegated statistics 2026-10-05 (produced 2026-10-05T13:00:21+00:00), before the report: reserved"},{"type":"delegated_after","url":"https://ftp.arin.net/pub/stats/arin/delegated-arin-extended-20261007","retrieved_at":"2026-10-09T19:08:50+00:00","summary":"ARIN delegated statistics 2026-10-07 (produced 2026-10-07T13:00:22+00:00), after the report: allocated (dated 2026-10-06)"}]},{"event_id":"43c4b032652e14e5","report_date":"2026-10-02","source":"arin_issued","raw_action":"REMOVE","raw_line":"Remove 63.141.38.0-63.141.38.255","resource_type":"ipv4","resource":"63.141.38.0/24","start":"63.141.38.0","end":"63.141.38.255","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":"2026-10-09T19:28:25+00:00","page":"https://rirtracker.com/ip/63.141.38.0-63.141.38.255/#e-43c4b032652e14e5","evidence_url":"https://rirtracker.com/api/v1/events/43c4b032652e14e5.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-October/006506.html","retrieved_at":"2026-10-09T18:54:11+00:00","summary":"ARIN-Issued report for 2026-10-02: \"Remove 63.141.38.0-63.141.38.255\""},{"type":"delegated_before","url":"https://ftp.arin.net/pub/stats/arin/delegated-arin-extended-20261001","retrieved_at":"2026-10-09T19:08:30+00:00","summary":"ARIN delegated statistics 2026-10-01 (produced 2026-10-01T13:00:21+00:00), before the report: reserved"},{"type":"delegated_after","url":"https://ftp.arin.net/pub/stats/arin/delegated-arin-extended-20261003","retrieved_at":"2026-10-09T19:08:36+00:00","summary":"ARIN delegated statistics 2026-10-03 (produced 2026-10-03T13:00:22+00:00), after the report: reserved"}]}],"classification_history":{"ac38b07f420850e5":[{"raw_change_id":5482,"classification_code":"APPARENT_REISSUANCE","confidence":"STRONG_INFERENCE","classifier_version":"1.0.0","classified_at":"2026-10-09T19:28:27+00:00","current":1,"public_explanation":"No transfer record matches. ARIN's statistics show it reserved on 2026-10-05 and allocated (dated 2026-10-06) on 2026-10-07. The tracker saw this range released from hold on 2026-10-02 (63.141.38.0-63.141.38.255), so it appears to have been issued again from ARIN's pool."}],"917df388f4eb9793":[{"raw_change_id":5400,"classification_code":"POOL_RECORD_CHANGE","confidence":"STRONG_INFERENCE","classifier_version":"1.0.0","classified_at":"2026-10-09T19:28:27+00:00","current":1,"public_explanation":"ARIN's statistics show it reserved on 2026-10-05 and allocated (dated 2026-10-06) on 2026-10-07. ARIN removed its own pool record for this range as part of issuing it: the same report adds 63.141.38.0-63.141.38.255. The issuance is explained on that line."}],"43c4b032652e14e5":[{"raw_change_id":4953,"classification_code":"NO_MATERIAL_CHANGE","confidence":"STRONG_INFERENCE","classifier_version":"1.0.0","classified_at":"2026-10-09T19:28:25+00:00","current":1,"public_explanation":"ARIN-Issued lists it as \"Remove\", but ARIN's statistics show the same record before and after (reserved)."}]}}