{"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":"172.84.130.0/23","resource_type":"ipv4","page":"https://rirtracker.com/ip/172.84.130.0-172.84.131.255/","statistics_now":{"registry":"ARIN","status":"allocated (dated 2018-01-13), allocated (dated 2018-01-17)"},"current_holder":{"rir":"ARIN","org":null,"how":"ARIN's latest statistics"},"rdap_snapshots":[],"transfers":[],"events":[{"event_id":"3aee9368b3b4b471","registry":"ARIN","report_date":"2018-01-13","source":"arin_issued","raw_action":"REMOVE","raw_line":"Remove 172.84.130.0-172.84.131.255","resource_type":"ipv4","resource":"172.84.130.0/23","start":"172.84.130.0","end":"172.84.131.255","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":"1.4.0","classified_at":"2026-10-13T23:52:02+00:00","page":"https://rirtracker.com/ip/172.84.130.0-172.84.131.255/#e-3aee9368b3b4b471","report_page":"https://rirtracker.com/arin/reports/2018-01-13/","evidence_url":"https://rirtracker.com/api/v1/resources/ip/172.84.130.0-172.84.131.255.json","explanation":"ARIN's statistics show it reserved on 2018-01-12 and allocated (dated 2018-01-13), reserved on 2018-01-14. ARIN removed its own pool record for this range as part of issuing it: the same report adds 172.84.131.0-172.84.131.255. The issuance is explained on that line.","evidence":[{"type":"arin_issued","url":"https://lists.arin.net/pipermail/arin-issued/2018-January/003321.html","retrieved_at":"2026-10-12T18:39:55+00:00","summary":"ARIN-Issued report for 2018-01-13: \"Remove 172.84.130.0-172.84.131.255\""},{"type":"delegated_before","url":"https://ftp.arin.net/pub/stats/arin/archive/2018/delegated-arin-extended-20180112.gz","retrieved_at":"2026-10-12T21:40:11+00:00","summary":"ARIN delegated statistics 2018-01-12 (produced 2018-01-12T06:09:18+00:00), before the report: reserved"},{"type":"delegated_after","url":"https://ftp.arin.net/pub/stats/arin/archive/2018/delegated-arin-extended-20180114.gz","retrieved_at":"2026-10-12T21:40:16+00:00","summary":"ARIN delegated statistics 2018-01-14 (produced 2018-01-14T06:10:46+00:00), after the report: allocated (dated 2018-01-13), reserved"}]}],"classification_history":{"3aee9368b3b4b471":[{"raw_change_id":152818,"classification_code":"POOL_RECORD_CHANGE","confidence":"STRONG_INFERENCE","classifier_version":"1.3.0","classified_at":"2026-10-13T03:40:08+00:00","current":0,"public_explanation":"ARIN's statistics show it reserved on 2018-01-12 and allocated (dated 2018-01-13), reserved on 2018-01-14. ARIN removed its own pool record for this range as part of issuing it: the same report adds 172.84.131.0-172.84.131.255. The issuance is explained on that line."},{"raw_change_id":152818,"classification_code":"POOL_RECORD_CHANGE","confidence":"STRONG_INFERENCE","classifier_version":"1.3.1","classified_at":"2026-10-13T08:06:12+00:00","current":0,"public_explanation":"ARIN's statistics show it reserved on 2018-01-12 and allocated (dated 2018-01-13), reserved on 2018-01-14. ARIN removed its own pool record for this range as part of issuing it: the same report adds 172.84.131.0-172.84.131.255. The issuance is explained on that line."},{"raw_change_id":152818,"classification_code":"POOL_RECORD_CHANGE","confidence":"STRONG_INFERENCE","classifier_version":"1.3.2","classified_at":"2026-10-13T14:48:53+00:00","current":0,"public_explanation":"ARIN's statistics show it reserved on 2018-01-12 and allocated (dated 2018-01-13), reserved on 2018-01-14. ARIN removed its own pool record for this range as part of issuing it: the same report adds 172.84.131.0-172.84.131.255. The issuance is explained on that line."},{"raw_change_id":152818,"classification_code":"POOL_RECORD_CHANGE","confidence":"STRONG_INFERENCE","classifier_version":"1.4.0","classified_at":"2026-10-13T23:52:02+00:00","current":1,"public_explanation":"ARIN's statistics show it reserved on 2018-01-12 and allocated (dated 2018-01-13), reserved on 2018-01-14. ARIN removed its own pool record for this range as part of issuing it: the same report adds 172.84.131.0-172.84.131.255. The issuance is explained on that line."}]},"arin_statistics_now":{"status":"allocated (dated 2018-01-13), allocated (dated 2018-01-17)"}}