{"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":"AS400380","resource_type":"asn","page":"https://rirtracker.com/asn/400380/","statistics_now":{"registry":"ARIN","status":"assigned (dated 2022-01-18)"},"current_holder":{"rir":"ARIN","org":"Exxon Mobil Corporation","how":"ARIN's latest statistics and the latest transfer record"},"rdap_snapshots":[],"transfers":[{"id":5206,"date":"2026-08-19T13:11:39Z","type":"MERGER_ACQUISITION","source_rir":"ARIN","recipient_rir":"ARIN","source_org":"PIONEER NATURAL RESOURCES USA","recipient_org":"Exxon Mobil Corporation","range":"AS400380","log":"ARIN"}],"events":[{"event_id":"13a0d6bf05f5b771","registry":"ARIN","report_date":"2026-08-19","source":"transfers","raw_action":"TRANSFER","raw_line":null,"resource_type":"asn","resource":"AS400380","start":400380,"end":400380,"classification":"MERGER_ACQUISITION","classification_label":"Merger/acquisition or reorganization","confidence":"CONFIRMED","source_rir":"ARIN","recipient_rir":"ARIN","source_organization":"PIONEER NATURAL RESOURCES USA","recipient_organization":"Exxon Mobil Corporation","inventory_effect":"No effect on ARIN applicant inventory","inventory_effect_code":"NO_EFFECT","provisional":false,"classifier_version":"1.4.0","classified_at":"2026-10-14T00:19:30+00:00","page":"https://rirtracker.com/asn/400380/#e-13a0d6bf05f5b771","report_page":"https://rirtracker.com/arin/reports/2026-08-19/","evidence_url":"https://rirtracker.com/api/v1/resources/asn/400380.json","observed":"Merger/acquisition: PIONEER NATURAL RESOURCES USA (ARIN) to Exxon Mobil Corporation (ARIN)","explanation":"ARIN's transfer log records a merger, acquisition or reorganization from PIONEER NATURAL RESOURCES USA (ARIN) to Exxon Mobil Corporation (ARIN) on 2026-08-19 13:11 UTC. The registration changed hands; it is not a new allocation from ARIN. ARIN-Issued and ARIN's statistics don't show this change; only the transfer log records it.","evidence":[{"type":"transfer","url":"https://ftp.arin.net/pub/stats/arin/transfers/transfers_latest.json","retrieved_at":"2026-10-13T13:57:20+00:00","summary":"Transfer log: MERGER_ACQUISITION on 2026-08-19 13:11 UTC, PIONEER NATURAL RESOURCES USA (ARIN) to Exxon Mobil Corporation (ARIN); resources moved: AS400380"},{"type":"delegated_before","url":"https://ftp.arin.net/pub/stats/arin/delegated-arin-extended-20260818","retrieved_at":"2026-10-09T19:06:17+00:00","summary":"ARIN delegated statistics 2026-08-18 (produced 2026-08-18T13:00:21+00:00), before the report: assigned (dated 2022-01-18)"},{"type":"delegated_after","url":"https://ftp.arin.net/pub/stats/arin/delegated-arin-extended-20260820","retrieved_at":"2026-10-09T19:06:23+00:00","summary":"ARIN delegated statistics 2026-08-20 (produced 2026-08-20T13:00:21+00:00), after the report: assigned (dated 2022-01-18)"}]},{"event_id":"e9a27adc3be355d8","registry":"ARIN","report_date":"2022-01-18","source":"arin_issued","raw_action":"ADD","raw_line":"Add AS400380","resource_type":"asn","resource":"AS400380","start":400380,"end":400380,"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 ARIN-controlled inventory","inventory_effect_code":"ISSUED","provisional":false,"classifier_version":"1.4.0","classified_at":"2026-10-13T23:53:19+00:00","page":"https://rirtracker.com/asn/400380/#e-e9a27adc3be355d8","report_page":"https://rirtracker.com/arin/reports/2022-01-18/","evidence_url":"https://rirtracker.com/api/v1/resources/asn/400380.json","explanation":"No transfer record matches. ARIN's statistics show it available on 2022-01-17 and assigned (dated 2022-01-18) on 2022-01-19. It moved from ARIN's unissued pool to an active registration dated around the report, so it appears to be newly issued by ARIN.","evidence":[{"type":"arin_issued","url":"https://lists.arin.net/pipermail/arin-issued/2022-January/004785.html","retrieved_at":"2026-10-12T18:41:36+00:00","summary":"ARIN-Issued report for 2022-01-18: \"Add AS400380\""},{"type":"delegated_before","url":"https://ftp.arin.net/pub/stats/arin/archive/2022/delegated-arin-extended-20220117.gz","retrieved_at":"2026-10-12T22:55:34+00:00","summary":"ARIN delegated statistics 2022-01-17 (produced 2022-01-17T14:00:12+00:00), before the report: available"},{"type":"delegated_after","url":"https://ftp.arin.net/pub/stats/arin/archive/2022/delegated-arin-extended-20220119.gz","retrieved_at":"2026-10-12T22:55:39+00:00","summary":"ARIN delegated statistics 2022-01-19 (produced 2022-01-19T14:00:13+00:00), after the report: assigned (dated 2022-01-18)"}]}],"classification_history":{"13a0d6bf05f5b771":[{"raw_change_id":576943,"classification_code":"MERGER_ACQUISITION","confidence":"CONFIRMED","classifier_version":"1.4.0","classified_at":"2026-10-14T00:19:30+00:00","current":1,"public_explanation":"ARIN's transfer log records a merger, acquisition or reorganization from PIONEER NATURAL RESOURCES USA (ARIN) to Exxon Mobil Corporation (ARIN) on 2026-08-19 13:11 UTC. The registration changed hands; it is not a new allocation from ARIN. ARIN-Issued and ARIN's statistics don't show this change; only the transfer log records it."}],"e9a27adc3be355d8":[{"raw_change_id":175010,"classification_code":"APPARENT_NEW_ISSUANCE","confidence":"STRONG_INFERENCE","classifier_version":"1.3.0","classified_at":"2026-10-13T03:54:58+00:00","current":0,"public_explanation":"No transfer record matches. ARIN's statistics show it available on 2022-01-17 and assigned (dated 2022-01-18) on 2022-01-19. It moved from ARIN's unissued pool to an active registration dated around the report, so it appears to be newly issued by ARIN."},{"raw_change_id":175010,"classification_code":"APPARENT_NEW_ISSUANCE","confidence":"STRONG_INFERENCE","classifier_version":"1.3.1","classified_at":"2026-10-13T08:07:10+00:00","current":0,"public_explanation":"No transfer record matches. ARIN's statistics show it available on 2022-01-17 and assigned (dated 2022-01-18) on 2022-01-19. It moved from ARIN's unissued pool to an active registration dated around the report, so it appears to be newly issued by ARIN."},{"raw_change_id":175010,"classification_code":"APPARENT_NEW_ISSUANCE","confidence":"STRONG_INFERENCE","classifier_version":"1.3.2","classified_at":"2026-10-13T14:49:58+00:00","current":0,"public_explanation":"No transfer record matches. ARIN's statistics show it available on 2022-01-17 and assigned (dated 2022-01-18) on 2022-01-19. It moved from ARIN's unissued pool to an active registration dated around the report, so it appears to be newly issued by ARIN."},{"raw_change_id":175010,"classification_code":"APPARENT_NEW_ISSUANCE","confidence":"STRONG_INFERENCE","classifier_version":"1.4.0","classified_at":"2026-10-13T23:53:19+00:00","current":1,"public_explanation":"No transfer record matches. ARIN's statistics show it available on 2022-01-17 and assigned (dated 2022-01-18) on 2022-01-19. It moved from ARIN's unissued pool to an active registration dated around the report, so it appears to be newly issued by ARIN."}]},"arin_statistics_now":{"status":"assigned (dated 2022-01-18)"}}