{"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":"204.13.78.0/23","resource_type":"ipv4","page":"https://rirtracker.com/ip/204.13.78.0-204.13.79.255/","statistics_now":{"registry":"ARIN","status":"allocated (dated 2017-04-26)"},"current_holder":{"rir":"ARIN","org":null,"how":"ARIN's latest statistics"},"rdap_snapshots":[],"transfers":[],"events":[{"event_id":"322f03b6103f18d7","registry":"ARIN","report_date":"2017-04-26","source":"arin_issued","raw_action":"ADD","raw_line":"Add 204.13.78.0-204.13.79.255","resource_type":"ipv4","resource":"204.13.78.0/23","start":"204.13.78.0","end":"204.13.79.255","classification":"APPARENT_REISSUANCE","classification_label":"Apparent reissuance of previously removed resource","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":"2026-10-13T23:51:47+00:00","page":"https://rirtracker.com/ip/204.13.78.0-204.13.79.255/#e-322f03b6103f18d7","report_page":"https://rirtracker.com/arin/reports/2017-04-26/","evidence_url":"https://rirtracker.com/api/v1/resources/ip/204.13.78.0-204.13.79.255.json","explanation":"No transfer record matches. ARIN's statistics show it reserved on 2017-04-25 and assigned (dated 2017-04-26) on 2017-04-27. The tracker saw this range released from hold on 2017-04-14 (204.13.78.0-204.13.79.255), so it appears to have been issued again from ARIN's pool.","evidence":[{"type":"arin_issued","url":"https://lists.arin.net/pipermail/arin-issued/2017-April/003058.html","retrieved_at":"2026-10-12T18:39:36+00:00","summary":"ARIN-Issued report for 2017-04-26: \"Add 204.13.78.0-204.13.79.255\""},{"type":"delegated_before","url":"https://ftp.arin.net/pub/stats/arin/archive/2017/delegated-arin-extended-20170425.gz","retrieved_at":"2026-10-12T21:27:07+00:00","summary":"ARIN delegated statistics 2017-04-25 (produced 2017-04-25T05:10:06+00:00), before the report: reserved"},{"type":"delegated_after","url":"https://ftp.arin.net/pub/stats/arin/archive/2017/delegated-arin-extended-20170427.gz","retrieved_at":"2026-10-12T21:27:12+00:00","summary":"ARIN delegated statistics 2017-04-27 (produced 2017-04-27T05:10:14+00:00), after the report: assigned (dated 2017-04-26)"}]},{"event_id":"7884f32df6f1da60","registry":"ARIN","report_date":"2017-04-26","source":"arin_issued","raw_action":"REMOVE","raw_line":"Remove 204.13.78.0-204.13.79.255","resource_type":"ipv4","resource":"204.13.78.0/23","start":"204.13.78.0","end":"204.13.79.255","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":"2026-10-13T23:51:47+00:00","page":"https://rirtracker.com/ip/204.13.78.0-204.13.79.255/#e-7884f32df6f1da60","report_page":"https://rirtracker.com/arin/reports/2017-04-26/","evidence_url":"https://rirtracker.com/api/v1/resources/ip/204.13.78.0-204.13.79.255.json","explanation":"ARIN's statistics show it reserved on 2017-04-25 and assigned (dated 2017-04-26) on 2017-04-27. ARIN removed its own pool record for this range as part of issuing it: the same report adds 204.13.78.0-204.13.79.255. The issuance is explained on that line.","evidence":[{"type":"arin_issued","url":"https://lists.arin.net/pipermail/arin-issued/2017-April/003058.html","retrieved_at":"2026-10-12T18:39:36+00:00","summary":"ARIN-Issued report for 2017-04-26: \"Remove 204.13.78.0-204.13.79.255\""},{"type":"delegated_before","url":"https://ftp.arin.net/pub/stats/arin/archive/2017/delegated-arin-extended-20170425.gz","retrieved_at":"2026-10-12T21:27:07+00:00","summary":"ARIN delegated statistics 2017-04-25 (produced 2017-04-25T05:10:06+00:00), before the report: reserved"},{"type":"delegated_after","url":"https://ftp.arin.net/pub/stats/arin/archive/2017/delegated-arin-extended-20170427.gz","retrieved_at":"2026-10-12T21:27:12+00:00","summary":"ARIN delegated statistics 2017-04-27 (produced 2017-04-27T05:10:14+00:00), after the report: assigned (dated 2017-04-26)"}]},{"event_id":"cf0e019a078de001","registry":"ARIN","report_date":"2017-04-14","source":"arin_issued","raw_action":"REMOVE","raw_line":"Remove 204.13.78.0-204.13.79.255","resource_type":"ipv4","resource":"204.13.78.0/23","start":"204.13.78.0","end":"204.13.79.255","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":"2026-10-13T23:51:46+00:00","page":"https://rirtracker.com/ip/204.13.78.0-204.13.79.255/#e-cf0e019a078de001","report_page":"https://rirtracker.com/arin/reports/2017-04-14/","evidence_url":"https://rirtracker.com/api/v1/resources/ip/204.13.78.0-204.13.79.255.json","explanation":"ARIN-Issued lists it as \"Remove\", but ARIN's statistics show the same record before and after (reserved).","evidence":[{"type":"arin_issued","url":"https://lists.arin.net/pipermail/arin-issued/2017-April/003046.html","retrieved_at":"2026-10-12T18:39:36+00:00","summary":"ARIN-Issued report for 2017-04-14: \"Remove 204.13.78.0-204.13.79.255\""},{"type":"delegated_before","url":"https://ftp.arin.net/pub/stats/arin/archive/2017/delegated-arin-extended-20170413.gz","retrieved_at":"2026-10-12T21:26:29+00:00","summary":"ARIN delegated statistics 2017-04-13 (produced 2017-04-13T05:10:15+00:00), before the report: reserved"},{"type":"delegated_after","url":"https://ftp.arin.net/pub/stats/arin/archive/2017/delegated-arin-extended-20170415.gz","retrieved_at":"2026-10-12T21:26:42+00:00","summary":"ARIN delegated statistics 2017-04-15 (produced 2017-04-15T05:10:35+00:00), after the report: reserved"}]}],"classification_history":{"322f03b6103f18d7":[{"raw_change_id":149038,"classification_code":"APPARENT_REISSUANCE","confidence":"STRONG_INFERENCE","classifier_version":"1.3.0","classified_at":"2026-10-13T03:38:03+00:00","current":0,"public_explanation":"No transfer record matches. ARIN's statistics show it reserved on 2017-04-25 and assigned (dated 2017-04-26) on 2017-04-27. The tracker saw this range released from hold on 2017-04-14 (204.13.78.0-204.13.79.255), so it appears to have been issued again from ARIN's pool."},{"raw_change_id":149038,"classification_code":"APPARENT_REISSUANCE","confidence":"STRONG_INFERENCE","classifier_version":"1.3.1","classified_at":"2026-10-13T08:06:00+00:00","current":0,"public_explanation":"No transfer record matches. ARIN's statistics show it reserved on 2017-04-25 and assigned (dated 2017-04-26) on 2017-04-27. The tracker saw this range released from hold on 2017-04-14 (204.13.78.0-204.13.79.255), so it appears to have been issued again from ARIN's pool."},{"raw_change_id":149038,"classification_code":"APPARENT_REISSUANCE","confidence":"STRONG_INFERENCE","classifier_version":"1.3.2","classified_at":"2026-10-13T14:48:40+00:00","current":0,"public_explanation":"No transfer record matches. ARIN's statistics show it reserved on 2017-04-25 and assigned (dated 2017-04-26) on 2017-04-27. The tracker saw this range released from hold on 2017-04-14 (204.13.78.0-204.13.79.255), so it appears to have been issued again from ARIN's pool."},{"raw_change_id":149038,"classification_code":"APPARENT_REISSUANCE","confidence":"STRONG_INFERENCE","classifier_version":"1.4.0","classified_at":"2026-10-13T23:51:47+00:00","current":1,"public_explanation":"No transfer record matches. ARIN's statistics show it reserved on 2017-04-25 and assigned (dated 2017-04-26) on 2017-04-27. The tracker saw this range released from hold on 2017-04-14 (204.13.78.0-204.13.79.255), so it appears to have been issued again from ARIN's pool."}],"7884f32df6f1da60":[{"raw_change_id":149026,"classification_code":"POOL_RECORD_CHANGE","confidence":"STRONG_INFERENCE","classifier_version":"1.3.0","classified_at":"2026-10-13T03:38:02+00:00","current":0,"public_explanation":"ARIN's statistics show it reserved on 2017-04-25 and assigned (dated 2017-04-26) on 2017-04-27. ARIN removed its own pool record for this range as part of issuing it: the same report adds 204.13.78.0-204.13.79.255. The issuance is explained on that line."},{"raw_change_id":149026,"classification_code":"POOL_RECORD_CHANGE","confidence":"STRONG_INFERENCE","classifier_version":"1.3.1","classified_at":"2026-10-13T08:06:00+00:00","current":0,"public_explanation":"ARIN's statistics show it reserved on 2017-04-25 and assigned (dated 2017-04-26) on 2017-04-27. ARIN removed its own pool record for this range as part of issuing it: the same report adds 204.13.78.0-204.13.79.255. The issuance is explained on that line."},{"raw_change_id":149026,"classification_code":"POOL_RECORD_CHANGE","confidence":"STRONG_INFERENCE","classifier_version":"1.3.2","classified_at":"2026-10-13T14:48:40+00:00","current":0,"public_explanation":"ARIN's statistics show it reserved on 2017-04-25 and assigned (dated 2017-04-26) on 2017-04-27. ARIN removed its own pool record for this range as part of issuing it: the same report adds 204.13.78.0-204.13.79.255. The issuance is explained on that line."},{"raw_change_id":149026,"classification_code":"POOL_RECORD_CHANGE","confidence":"STRONG_INFERENCE","classifier_version":"1.4.0","classified_at":"2026-10-13T23:51:47+00:00","current":1,"public_explanation":"ARIN's statistics show it reserved on 2017-04-25 and assigned (dated 2017-04-26) on 2017-04-27. ARIN removed its own pool record for this range as part of issuing it: the same report adds 204.13.78.0-204.13.79.255. The issuance is explained on that line."}],"cf0e019a078de001":[{"raw_change_id":148821,"classification_code":"NO_MATERIAL_CHANGE","confidence":"STRONG_INFERENCE","classifier_version":"1.3.0","classified_at":"2026-10-13T03:37:53+00:00","current":0,"public_explanation":"ARIN-Issued lists it as \"Remove\", but ARIN's statistics show the same record before and after (reserved)."},{"raw_change_id":148821,"classification_code":"NO_MATERIAL_CHANGE","confidence":"STRONG_INFERENCE","classifier_version":"1.3.1","classified_at":"2026-10-13T08:06:00+00:00","current":0,"public_explanation":"ARIN-Issued lists it as \"Remove\", but ARIN's statistics show the same record before and after (reserved)."},{"raw_change_id":148821,"classification_code":"NO_MATERIAL_CHANGE","confidence":"STRONG_INFERENCE","classifier_version":"1.3.2","classified_at":"2026-10-13T14:48:39+00:00","current":0,"public_explanation":"ARIN-Issued lists it as \"Remove\", but ARIN's statistics show the same record before and after (reserved)."},{"raw_change_id":148821,"classification_code":"NO_MATERIAL_CHANGE","confidence":"STRONG_INFERENCE","classifier_version":"1.4.0","classified_at":"2026-10-13T23:51:46+00:00","current":1,"public_explanation":"ARIN-Issued lists it as \"Remove\", but ARIN's statistics show the same record before and after (reserved)."}]},"arin_statistics_now":{"status":"allocated (dated 2017-04-26)"}}