{"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":"AS400820","resource_type":"asn","page":"https://rirtracker.com/asn/400820/","statistics_now":{"registry":"ARIN","status":"assigned (dated 2022-12-16)"},"current_holder":{"rir":"ARIN","org":null,"how":"ARIN's latest statistics"},"rdap_snapshots":[],"transfers":[],"events":[{"event_id":"bf8ef22ab4867a26","registry":"ARIN","report_date":"2022-12-16","source":"arin_issued","raw_action":"ADD","raw_line":"Add AS400820","resource_type":"asn","resource":"AS400820","start":400820,"end":400820,"classification":"REGISTRATION_CHANGE","classification_label":"Registration or organization record change","confidence":"OBSERVED_ONLY","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":"2026-10-13T23:53:33+00:00","page":"https://rirtracker.com/asn/400820/#e-bf8ef22ab4867a26","report_page":"https://rirtracker.com/arin/reports/2022-12-16/","evidence_url":"https://rirtracker.com/api/v1/resources/asn/400820.json","explanation":"No transfer record matches. ARIN's statistics show it assigned (dated 2022-12-15) on 2022-12-15 and assigned (dated 2022-12-16) on 2022-12-17. The holder's record is the same before and after, so this is a change to the registration, not a change of holder. Another change to this range was reported the day before or after (2022-12-15: Add AS400820-AS400829), so the before-and-after statistics may include it.","evidence":[{"type":"arin_issued","url":"https://lists.arin.net/pipermail/arin-issued/2022-December/005117.html","retrieved_at":"2026-10-12T18:42:00+00:00","summary":"ARIN-Issued report for 2022-12-16: \"Add AS400820\""},{"type":"delegated_before","url":"https://ftp.arin.net/pub/stats/arin/archive/2022/delegated-arin-extended-20221215.gz","retrieved_at":"2026-10-12T23:12:33+00:00","summary":"ARIN delegated statistics 2022-12-15 (produced 2022-12-15T14:00:11+00:00), before the report: assigned (dated 2022-12-15)"},{"type":"delegated_after","url":"https://ftp.arin.net/pub/stats/arin/archive/2022/delegated-arin-extended-20221217.gz","retrieved_at":"2026-10-12T23:12:48+00:00","summary":"ARIN delegated statistics 2022-12-17 (produced 2022-12-17T14:00:11+00:00), after the report: assigned (dated 2022-12-16)"}]}],"classification_history":{"bf8ef22ab4867a26":[{"raw_change_id":179477,"classification_code":"REGISTRATION_CHANGE","confidence":"OBSERVED_ONLY","classifier_version":"1.3.0","classified_at":"2026-10-13T03:57:41+00:00","current":0,"public_explanation":"No transfer record matches. ARIN's statistics show it assigned (dated 2022-12-15) on 2022-12-15 and assigned (dated 2022-12-16) on 2022-12-17. The holder's record is the same before and after, so this is a change to the registration, not a change of holder. Another change to this range was reported the day before or after (2022-12-15: Add AS400820-AS400829), so the before-and-after statistics may include it."},{"raw_change_id":179477,"classification_code":"REGISTRATION_CHANGE","confidence":"OBSERVED_ONLY","classifier_version":"1.3.1","classified_at":"2026-10-13T08:07:21+00:00","current":0,"public_explanation":"No transfer record matches. ARIN's statistics show it assigned (dated 2022-12-15) on 2022-12-15 and assigned (dated 2022-12-16) on 2022-12-17. The holder's record is the same before and after, so this is a change to the registration, not a change of holder. Another change to this range was reported the day before or after (2022-12-15: Add AS400820-AS400829), so the before-and-after statistics may include it."},{"raw_change_id":179477,"classification_code":"REGISTRATION_CHANGE","confidence":"OBSERVED_ONLY","classifier_version":"1.3.2","classified_at":"2026-10-13T14:50:10+00:00","current":0,"public_explanation":"No transfer record matches. ARIN's statistics show it assigned (dated 2022-12-15) on 2022-12-15 and assigned (dated 2022-12-16) on 2022-12-17. The holder's record is the same before and after, so this is a change to the registration, not a change of holder. Another change to this range was reported the day before or after (2022-12-15: Add AS400820-AS400829), so the before-and-after statistics may include it."},{"raw_change_id":179477,"classification_code":"REGISTRATION_CHANGE","confidence":"OBSERVED_ONLY","classifier_version":"1.4.0","classified_at":"2026-10-13T23:53:33+00:00","current":1,"public_explanation":"No transfer record matches. ARIN's statistics show it assigned (dated 2022-12-15) on 2022-12-15 and assigned (dated 2022-12-16) on 2022-12-17. The holder's record is the same before and after, so this is a change to the registration, not a change of holder. Another change to this range was reported the day before or after (2022-12-15: Add AS400820-AS400829), so the before-and-after statistics may include it."}]},"arin_statistics_now":{"status":"assigned (dated 2022-12-16)"}}