{"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":"AS273821-AS274844","resource_type":"asn","page":"https://rirtracker.com/asn/273821-274844/","statistics_now":{"registry":"ARIN","status":"not listed"},"current_holder":{"rir":null,"org":null,"how":null},"rdap_snapshots":[],"transfers":[],"events":[{"event_id":"079b5c74693c2763","registry":"ARIN","report_date":"2024-04-01","source":"arin_issued","raw_action":"ADD","raw_line":"Add AS273821-AS274844","resource_type":"asn","resource":"AS273821-AS274844","start":273821,"end":274844,"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":"1.4.0","classified_at":"2026-10-13T23:54:02+00:00","page":"https://rirtracker.com/asn/273821-274844/#e-079b5c74693c2763","report_page":"https://rirtracker.com/arin/reports/2024-04-01/","evidence_url":"https://rirtracker.com/api/v1/resources/asn/273821-274844.json","explanation":"No transfer record matches, and ARIN's statistics show no active registration before or after (not listed).","evidence":[{"type":"arin_issued","url":"https://lists.arin.net/pipermail/arin-issued/2024-April/005589.html","retrieved_at":"2026-10-12T18:42:33+00:00","summary":"ARIN-Issued report for 2024-04-01: \"Add AS273821-AS274844\""},{"type":"delegated_before","url":"https://ftp.arin.net/pub/stats/arin/archive/2024/delegated-arin-extended-20240331.gz","retrieved_at":"2026-10-12T23:37:39+00:00","summary":"ARIN delegated statistics 2024-03-31 (produced 2024-03-31T13:00:52+00:00), before the report: not listed"},{"type":"delegated_after","url":"https://ftp.arin.net/pub/stats/arin/archive/2024/delegated-arin-extended-20240402.gz","retrieved_at":"2026-10-12T23:37:44+00:00","summary":"ARIN delegated statistics 2024-04-02 (produced 2024-04-02T13:00:50+00:00), after the report: not listed"}]}],"classification_history":{"079b5c74693c2763":[{"raw_change_id":186462,"classification_code":"NO_MATERIAL_CHANGE","confidence":"STRONG_INFERENCE","classifier_version":"1.3.0","classified_at":"2026-10-13T04:01:43+00:00","current":0,"public_explanation":"No transfer record matches, and ARIN's statistics show no active registration before or after (not listed)."},{"raw_change_id":186462,"classification_code":"NO_MATERIAL_CHANGE","confidence":"STRONG_INFERENCE","classifier_version":"1.3.1","classified_at":"2026-10-13T08:07:41+00:00","current":0,"public_explanation":"No transfer record matches, and ARIN's statistics show no active registration before or after (not listed)."},{"raw_change_id":186462,"classification_code":"NO_MATERIAL_CHANGE","confidence":"STRONG_INFERENCE","classifier_version":"1.3.2","classified_at":"2026-10-13T14:50:33+00:00","current":0,"public_explanation":"No transfer record matches, and ARIN's statistics show no active registration before or after (not listed)."},{"raw_change_id":186462,"classification_code":"NO_MATERIAL_CHANGE","confidence":"STRONG_INFERENCE","classifier_version":"1.4.0","classified_at":"2026-10-13T23:54:02+00:00","current":1,"public_explanation":"No transfer record matches, and ARIN's statistics show no active registration before or after (not listed)."}]},"arin_statistics_now":{"status":"not listed"}}