{"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":"192.203.254.0/23","resource_type":"ipv4","page":"https://rirtracker.com/ip/192.203.254.0-192.203.255.255/","statistics_now":{"registry":"ARIN","status":"allocated (dated 2015-04-23)"},"current_holder":{"rir":"ARIN","org":"Arnold & Porter Kaye Scholer LLP","how":"ARIN's latest statistics and the latest transfer record"},"rdap_snapshots":[],"transfers":[{"id":12542,"date":"2018-03-08T16:13:44Z","type":"MERGER_ACQUISITION","source_rir":"ARIN","recipient_rir":"ARIN","source_org":"Kaye Scholer LLP","recipient_org":"Arnold & Porter Kaye Scholer LLP","range":"192.203.254.0/23","log":"ARIN"}],"events":[{"event_id":"d18a5f17e5a83466","registry":"ARIN","report_date":"2018-03-08","source":"transfers","raw_action":"TRANSFER","raw_line":null,"resource_type":"ipv4","resource":"192.203.254.0/23","start":"192.203.254.0","end":"192.203.255.255","classification":"MERGER_ACQUISITION","classification_label":"Merger/acquisition or reorganization","confidence":"CONFIRMED","source_rir":"ARIN","recipient_rir":"ARIN","source_organization":"Kaye Scholer LLP","recipient_organization":"Arnold & Porter Kaye Scholer LLP","inventory_effect":"No effect on ARIN applicant inventory","inventory_effect_code":"NO_EFFECT","provisional":false,"classifier_version":"1.4.0","classified_at":"2026-10-14T00:18:34+00:00","page":"https://rirtracker.com/ip/192.203.254.0-192.203.255.255/#e-d18a5f17e5a83466","report_page":"https://rirtracker.com/arin/reports/2018-03-08/","evidence_url":"https://rirtracker.com/api/v1/resources/ip/192.203.254.0-192.203.255.255.json","observed":"Merger/acquisition: Kaye Scholer LLP (ARIN) to Arnold & Porter Kaye Scholer LLP (ARIN)","explanation":"ARIN's transfer log records a merger, acquisition or reorganization from Kaye Scholer LLP (ARIN) to Arnold & Porter Kaye Scholer LLP (ARIN) on 2018-03-08 16:13 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 2018-03-08 16:13 UTC, Kaye Scholer LLP (ARIN) to Arnold & Porter Kaye Scholer LLP (ARIN); resources moved: 192.203.254.0/23"},{"type":"delegated_before","url":"https://ftp.arin.net/pub/stats/arin/archive/2018/delegated-arin-extended-20180307.gz","retrieved_at":"2026-10-12T21:42:51+00:00","summary":"ARIN delegated statistics 2018-03-07 (produced 2018-03-07T06:12:12+00:00), before the report: assigned (dated 2015-04-23)"},{"type":"delegated_after","url":"https://ftp.arin.net/pub/stats/arin/archive/2018/delegated-arin-extended-20180309.gz","retrieved_at":"2026-10-12T21:42:55+00:00","summary":"ARIN delegated statistics 2018-03-09 (produced 2018-03-09T06:11:30+00:00), after the report: assigned (dated 2015-04-23)"}]},{"event_id":"9a89b3b0a83e4171","registry":"ARIN","report_date":"2015-04-23","source":"arin_issued","raw_action":"ADD","raw_line":"Add 192.203.254.0-192.203.255.255","resource_type":"ipv4","resource":"192.203.254.0/23","start":"192.203.254.0","end":"192.203.255.255","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":"2026-10-13T23:51:22+00:00","page":"https://rirtracker.com/ip/192.203.254.0-192.203.255.255/#e-9a89b3b0a83e4171","report_page":"https://rirtracker.com/arin/reports/2015-04-23/","evidence_url":"https://rirtracker.com/api/v1/resources/ip/192.203.254.0-192.203.255.255.json","explanation":"No transfer record matches. ARIN's statistics show it reserved on 2015-04-22 and assigned (dated 2015-04-23) on 2015-04-24. 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/2015-April/002324.html","retrieved_at":"2026-10-12T18:38:45+00:00","summary":"ARIN-Issued report for 2015-04-23: \"Add 192.203.254.0-192.203.255.255\""},{"type":"delegated_before","url":"https://ftp.arin.net/pub/stats/arin/archive/2015/delegated-arin-extended-20150422.gz","retrieved_at":"2026-10-12T20:51:31+00:00","summary":"ARIN delegated statistics 2015-04-22 (produced 2015-04-22T05:04:38+00:00), before the report: reserved"},{"type":"delegated_after","url":"https://ftp.arin.net/pub/stats/arin/archive/2015/delegated-arin-extended-20150424.gz","retrieved_at":"2026-10-12T20:51:36+00:00","summary":"ARIN delegated statistics 2015-04-24 (produced 2015-04-24T05:04:11+00:00), after the report: assigned (dated 2015-04-23)"}]},{"event_id":"da53268f3bdc315e","registry":"ARIN","report_date":"2015-04-23","source":"arin_issued","raw_action":"REMOVE","raw_line":"Remove 192.203.254.0-192.203.255.255","resource_type":"ipv4","resource":"192.203.254.0/23","start":"192.203.254.0","end":"192.203.255.255","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":"2026-10-13T23:51:22+00:00","page":"https://rirtracker.com/ip/192.203.254.0-192.203.255.255/#e-da53268f3bdc315e","report_page":"https://rirtracker.com/arin/reports/2015-04-23/","evidence_url":"https://rirtracker.com/api/v1/resources/ip/192.203.254.0-192.203.255.255.json","explanation":"ARIN's statistics show it reserved on 2015-04-22 and assigned (dated 2015-04-23) on 2015-04-24. ARIN removed its own pool record for this range as part of issuing it: the same report adds 192.203.254.0-192.203.255.255. The issuance is explained on that line.","evidence":[{"type":"arin_issued","url":"https://lists.arin.net/pipermail/arin-issued/2015-April/002324.html","retrieved_at":"2026-10-12T18:38:45+00:00","summary":"ARIN-Issued report for 2015-04-23: \"Remove 192.203.254.0-192.203.255.255\""},{"type":"delegated_before","url":"https://ftp.arin.net/pub/stats/arin/archive/2015/delegated-arin-extended-20150422.gz","retrieved_at":"2026-10-12T20:51:31+00:00","summary":"ARIN delegated statistics 2015-04-22 (produced 2015-04-22T05:04:38+00:00), before the report: reserved"},{"type":"delegated_after","url":"https://ftp.arin.net/pub/stats/arin/archive/2015/delegated-arin-extended-20150424.gz","retrieved_at":"2026-10-12T20:51:36+00:00","summary":"ARIN delegated statistics 2015-04-24 (produced 2015-04-24T05:04:11+00:00), after the report: assigned (dated 2015-04-23)"}]}],"classification_history":{"d18a5f17e5a83466":[{"raw_change_id":554171,"classification_code":"MERGER_ACQUISITION","confidence":"CONFIRMED","classifier_version":"1.4.0","classified_at":"2026-10-14T00:18:34+00:00","current":1,"public_explanation":"ARIN's transfer log records a merger, acquisition or reorganization from Kaye Scholer LLP (ARIN) to Arnold & Porter Kaye Scholer LLP (ARIN) on 2018-03-08 16:13 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."}],"9a89b3b0a83e4171":[{"raw_change_id":137131,"classification_code":"APPARENT_REISSUANCE","confidence":"STRONG_INFERENCE","classifier_version":"1.3.0","classified_at":"2026-10-13T03:30:44+00:00","current":0,"public_explanation":"No transfer record matches. ARIN's statistics show it reserved on 2015-04-22 and assigned (dated 2015-04-23) on 2015-04-24. The tracker saw this range released from hold on 2011-06-06 (69.57.208.0-216.250.127.255), so it appears to have been issued again from ARIN's pool."},{"raw_change_id":137131,"classification_code":"APPARENT_REISSUANCE","confidence":"STRONG_INFERENCE","classifier_version":"1.3.1","classified_at":"2026-10-13T08:05:42+00:00","current":0,"public_explanation":"No transfer record matches. ARIN's statistics show it reserved on 2015-04-22 and assigned (dated 2015-04-23) on 2015-04-24. The tracker saw this range released from hold on 2011-06-06 (69.57.208.0-216.250.127.255), so it appears to have been issued again from ARIN's pool."},{"raw_change_id":137131,"classification_code":"APPARENT_NEW_ISSUANCE","confidence":"STRONG_INFERENCE","classifier_version":"1.3.2","classified_at":"2026-10-13T14:48:19+00:00","current":0,"public_explanation":"No transfer record matches. ARIN's statistics show it reserved on 2015-04-22 and assigned (dated 2015-04-23) on 2015-04-24. 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":137131,"classification_code":"APPARENT_NEW_ISSUANCE","confidence":"STRONG_INFERENCE","classifier_version":"1.4.0","classified_at":"2026-10-13T23:51:22+00:00","current":1,"public_explanation":"No transfer record matches. ARIN's statistics show it reserved on 2015-04-22 and assigned (dated 2015-04-23) on 2015-04-24. It moved from ARIN's unissued pool to an active registration dated around the report, so it appears to be newly issued by ARIN."}],"da53268f3bdc315e":[{"raw_change_id":137112,"classification_code":"POOL_RECORD_CHANGE","confidence":"STRONG_INFERENCE","classifier_version":"1.3.0","classified_at":"2026-10-13T03:30:42+00:00","current":0,"public_explanation":"ARIN's statistics show it reserved on 2015-04-22 and assigned (dated 2015-04-23) on 2015-04-24. ARIN removed its own pool record for this range as part of issuing it: the same report adds 192.203.254.0-192.203.255.255. The issuance is explained on that line."},{"raw_change_id":137112,"classification_code":"POOL_RECORD_CHANGE","confidence":"STRONG_INFERENCE","classifier_version":"1.3.1","classified_at":"2026-10-13T08:05:42+00:00","current":0,"public_explanation":"ARIN's statistics show it reserved on 2015-04-22 and assigned (dated 2015-04-23) on 2015-04-24. ARIN removed its own pool record for this range as part of issuing it: the same report adds 192.203.254.0-192.203.255.255. The issuance is explained on that line."},{"raw_change_id":137112,"classification_code":"POOL_RECORD_CHANGE","confidence":"STRONG_INFERENCE","classifier_version":"1.3.2","classified_at":"2026-10-13T14:48:19+00:00","current":0,"public_explanation":"ARIN's statistics show it reserved on 2015-04-22 and assigned (dated 2015-04-23) on 2015-04-24. ARIN removed its own pool record for this range as part of issuing it: the same report adds 192.203.254.0-192.203.255.255. The issuance is explained on that line."},{"raw_change_id":137112,"classification_code":"POOL_RECORD_CHANGE","confidence":"STRONG_INFERENCE","classifier_version":"1.4.0","classified_at":"2026-10-13T23:51:22+00:00","current":1,"public_explanation":"ARIN's statistics show it reserved on 2015-04-22 and assigned (dated 2015-04-23) on 2015-04-24. ARIN removed its own pool record for this range as part of issuing it: the same report adds 192.203.254.0-192.203.255.255. The issuance is explained on that line."}]},"arin_statistics_now":{"status":"allocated (dated 2015-04-23)"}}