{"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":"198.97.52.0/24","resource_type":"ipv4","page":"https://rirtracker.com/ip/198.97.52.0-198.97.52.255/","statistics_now":{"registry":"ARIN","status":"allocated (dated 2022-04-18)"},"current_holder":{"rir":"ARIN","org":null,"how":"ARIN's latest statistics"},"rdap_snapshots":[],"transfers":[],"events":[{"event_id":"b0883c68ba116bf7","registry":"ARIN","report_date":"2022-04-18","source":"arin_issued","raw_action":"ADD","raw_line":"Add 198.97.52.0-198.97.52.255","resource_type":"ipv4","resource":"198.97.52.0/24","start":"198.97.52.0","end":"198.97.52.255","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":"2026-10-13T23:53:22+00:00","page":"https://rirtracker.com/ip/198.97.52.0-198.97.52.255/#e-b0883c68ba116bf7","report_page":"https://rirtracker.com/arin/reports/2022-04-18/","evidence_url":"https://rirtracker.com/api/v1/resources/ip/198.97.52.0-198.97.52.255.json","explanation":"No transfer record matches. ARIN's statistics show it reserved on 2022-04-17 and allocated (dated 2022-04-18) on 2022-04-19. The tracker saw this range released from hold on 2022-04-11 (198.97.52.0-198.97.52.255), so it appears to have been issued again from ARIN's pool.","evidence":[{"type":"arin_issued","url":"https://lists.arin.net/pipermail/arin-issued/2022-April/004875.html","retrieved_at":"2026-10-12T18:41:43+00:00","summary":"ARIN-Issued report for 2022-04-18: \"Add 198.97.52.0-198.97.52.255\""},{"type":"delegated_before","url":"https://ftp.arin.net/pub/stats/arin/archive/2022/delegated-arin-extended-20220417.gz","retrieved_at":"2026-10-12T23:00:00+00:00","summary":"ARIN delegated statistics 2022-04-17 (produced 2022-04-17T13:00:10+00:00), before the report: reserved"},{"type":"delegated_after","url":"https://ftp.arin.net/pub/stats/arin/archive/2022/delegated-arin-extended-20220419.gz","retrieved_at":"2026-10-12T23:00:04+00:00","summary":"ARIN delegated statistics 2022-04-19 (produced 2022-04-19T13:00:11+00:00), after the report: allocated (dated 2022-04-18)"}]},{"event_id":"b6b73e47cd9664bf","registry":"ARIN","report_date":"2022-04-18","source":"arin_issued","raw_action":"REMOVE","raw_line":"Remove 198.97.52.0-198.97.52.255","resource_type":"ipv4","resource":"198.97.52.0/24","start":"198.97.52.0","end":"198.97.52.255","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":"2026-10-13T23:53:22+00:00","page":"https://rirtracker.com/ip/198.97.52.0-198.97.52.255/#e-b6b73e47cd9664bf","report_page":"https://rirtracker.com/arin/reports/2022-04-18/","evidence_url":"https://rirtracker.com/api/v1/resources/ip/198.97.52.0-198.97.52.255.json","explanation":"ARIN's statistics show it reserved on 2022-04-17 and allocated (dated 2022-04-18) on 2022-04-19. ARIN removed its own pool record for this range as part of issuing it: the same report adds 198.97.52.0-198.97.52.255. The issuance is explained on that line.","evidence":[{"type":"arin_issued","url":"https://lists.arin.net/pipermail/arin-issued/2022-April/004875.html","retrieved_at":"2026-10-12T18:41:43+00:00","summary":"ARIN-Issued report for 2022-04-18: \"Remove 198.97.52.0-198.97.52.255\""},{"type":"delegated_before","url":"https://ftp.arin.net/pub/stats/arin/archive/2022/delegated-arin-extended-20220417.gz","retrieved_at":"2026-10-12T23:00:00+00:00","summary":"ARIN delegated statistics 2022-04-17 (produced 2022-04-17T13:00:10+00:00), before the report: reserved"},{"type":"delegated_after","url":"https://ftp.arin.net/pub/stats/arin/archive/2022/delegated-arin-extended-20220419.gz","retrieved_at":"2026-10-12T23:00:04+00:00","summary":"ARIN delegated statistics 2022-04-19 (produced 2022-04-19T13:00:11+00:00), after the report: allocated (dated 2022-04-18)"}]},{"event_id":"6917077907bd455e","registry":"ARIN","report_date":"2022-04-11","source":"arin_issued","raw_action":"REMOVE","raw_line":"Remove 198.97.52.0-198.97.52.255","resource_type":"ipv4","resource":"198.97.52.0/24","start":"198.97.52.0","end":"198.97.52.255","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":"2026-10-13T23:53:22+00:00","page":"https://rirtracker.com/ip/198.97.52.0-198.97.52.255/#e-6917077907bd455e","report_page":"https://rirtracker.com/arin/reports/2022-04-11/","evidence_url":"https://rirtracker.com/api/v1/resources/ip/198.97.52.0-198.97.52.255.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/2022-April/004868.html","retrieved_at":"2026-10-12T18:41:43+00:00","summary":"ARIN-Issued report for 2022-04-11: \"Remove 198.97.52.0-198.97.52.255\""},{"type":"delegated_before","url":"https://ftp.arin.net/pub/stats/arin/archive/2022/delegated-arin-extended-20220410.gz","retrieved_at":"2026-10-12T22:59:44+00:00","summary":"ARIN delegated statistics 2022-04-10 (produced 2022-04-10T13:00:10+00:00), before the report: reserved"},{"type":"delegated_after","url":"https://ftp.arin.net/pub/stats/arin/archive/2022/delegated-arin-extended-20220412.gz","retrieved_at":"2026-10-12T22:59:48+00:00","summary":"ARIN delegated statistics 2022-04-12 (produced 2022-04-12T13:00:10+00:00), after the report: reserved"}]},{"event_id":"9cd0a363b6a2656f","registry":"ARIN","report_date":"2020-07-06","source":"statistics","raw_action":"NOT_IN_ARIN_ISSUED","raw_line":null,"resource_type":"ipv4","resource":"198.97.52.0/24","start":"198.97.52.0","end":"198.97.52.255","classification":"REMOVED_REASON_UNKNOWN","classification_label":"Removed (return, revocation or reclamation not publicly distinguishable)","confidence":"STRONG_INFERENCE","source_rir":null,"recipient_rir":null,"source_organization":null,"recipient_organization":null,"inventory_effect":"Possible future reissue candidate after hold","inventory_effect_code":"HOLD_CANDIDATE","provisional":false,"classifier_version":"1.4.0","classified_at":"2026-10-14T00:07:14+00:00","page":"https://rirtracker.com/ip/198.97.52.0-198.97.52.255/#e-9cd0a363b6a2656f","report_page":"https://rirtracker.com/arin/reports/2020-07-06/","evidence_url":"https://rirtracker.com/api/v1/resources/ip/198.97.52.0-198.97.52.255.json","observed":"198.97.52.0/24 assigned on 2020-07-06, reserved on 2020-07-07","hold":{"hold_rule_source_url":"https://www.arin.net/resources/guide/request/#reissuing-returned-revoked-and-reclaimed-resources","hold_rule_days":60,"estimated_hold_end":"2020-09-04","availability_statement":"Possible reissue candidate after this date; not confirmed available"},"explanation":"Removed from active registration. ARIN-Issued didn't list this; the tracker found it by comparing ARIN's daily statistics. ARIN's statistics show it assigned (dated 2014-02-27) on 2020-07-05 and reserved on 2020-07-07. Public sources do not distinguish a voluntary return, revocation, or reclamation. ARIN holds returned, revoked and reclaimed IPv4 space for 60 days before reissuing it, so the estimated hold end is 2020-09-04. This does not confirm availability.","evidence":[{"type":"statistics_diff","url":"https://ftp.arin.net/pub/stats/arin/archive/2020/delegated-arin-extended-20200707.gz","retrieved_at":"2026-10-12T22:26:53+00:00","summary":"Not listed in ARIN-Issued; found by comparing ARIN's daily statistics: 198.97.52.0/24 assigned on 2020-07-06, reserved on 2020-07-07"},{"type":"delegated_before","url":"https://ftp.arin.net/pub/stats/arin/archive/2020/delegated-arin-extended-20200705.gz","retrieved_at":"2026-10-12T22:26:48+00:00","summary":"ARIN delegated statistics 2020-07-05 (produced 2020-07-05T14:00:13+00:00), before the report: assigned (dated 2014-02-27)"},{"type":"delegated_after","url":"https://ftp.arin.net/pub/stats/arin/archive/2020/delegated-arin-extended-20200707.gz","retrieved_at":"2026-10-12T22:26:53+00:00","summary":"ARIN delegated statistics 2020-07-07 (produced 2020-07-07T14:00:13+00:00), after the report: reserved"}]},{"event_id":"202fb4d7fce617b3","registry":"ARIN","report_date":"2014-02-27","source":"arin_issued","raw_action":"ADD","raw_line":"Add 198.97.52.0-198.97.52.255","resource_type":"ipv4","resource":"198.97.52.0/24","start":"198.97.52.0","end":"198.97.52.255","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":"2026-10-13T23:51:10+00:00","page":"https://rirtracker.com/ip/198.97.52.0-198.97.52.255/#e-202fb4d7fce617b3","report_page":"https://rirtracker.com/arin/reports/2014-02-27/","evidence_url":"https://rirtracker.com/api/v1/resources/ip/198.97.52.0-198.97.52.255.json","explanation":"No transfer record matches. ARIN's statistics show it available on 2014-02-26 and assigned (dated 2014-02-27) on 2014-02-28. The tracker saw this range released from hold on 2010-05-13 (198.97.52.0-198.97.53.255), so it appears to have been issued again from ARIN's pool.","evidence":[{"type":"arin_issued","url":"https://lists.arin.net/pipermail/arin-issued/2014-February/001906.html","retrieved_at":"2026-10-12T18:38:16+00:00","summary":"ARIN-Issued report for 2014-02-27: \"Add 198.97.52.0-198.97.52.255\""},{"type":"delegated_before","url":"https://ftp.arin.net/pub/stats/arin/archive/2014/delegated-arin-extended-20140226.gz","retrieved_at":"2026-10-12T20:12:28+00:00","summary":"ARIN delegated statistics 2014-02-26 (produced 2014-02-26T06:05:26+00:00), before the report: available"},{"type":"delegated_after","url":"https://ftp.arin.net/pub/stats/arin/archive/2014/delegated-arin-extended-20140228.gz","retrieved_at":"2026-10-12T20:12:33+00:00","summary":"ARIN delegated statistics 2014-02-28 (produced 2014-02-28T06:07:12+00:00), after the report: assigned (dated 2014-02-27)"}]}],"classification_history":{"b0883c68ba116bf7":[{"raw_change_id":176114,"classification_code":"APPARENT_REISSUANCE","confidence":"STRONG_INFERENCE","classifier_version":"1.3.0","classified_at":"2026-10-13T03:55:45+00:00","current":0,"public_explanation":"No transfer record matches. ARIN's statistics show it reserved on 2022-04-17 and allocated (dated 2022-04-18) on 2022-04-19. The tracker saw this range released from hold on 2022-04-11 (198.97.52.0-198.97.52.255), so it appears to have been issued again from ARIN's pool."},{"raw_change_id":176114,"classification_code":"APPARENT_REISSUANCE","confidence":"STRONG_INFERENCE","classifier_version":"1.3.1","classified_at":"2026-10-13T08:07:12+00:00","current":0,"public_explanation":"No transfer record matches. ARIN's statistics show it reserved on 2022-04-17 and allocated (dated 2022-04-18) on 2022-04-19. The tracker saw this range released from hold on 2022-04-11 (198.97.52.0-198.97.52.255), so it appears to have been issued again from ARIN's pool."},{"raw_change_id":176114,"classification_code":"APPARENT_REISSUANCE","confidence":"STRONG_INFERENCE","classifier_version":"1.3.2","classified_at":"2026-10-13T14:50:00+00:00","current":0,"public_explanation":"No transfer record matches. ARIN's statistics show it reserved on 2022-04-17 and allocated (dated 2022-04-18) on 2022-04-19. The tracker saw this range released from hold on 2022-04-11 (198.97.52.0-198.97.52.255), so it appears to have been issued again from ARIN's pool."},{"raw_change_id":176114,"classification_code":"APPARENT_REISSUANCE","confidence":"STRONG_INFERENCE","classifier_version":"1.4.0","classified_at":"2026-10-13T23:53:22+00:00","current":1,"public_explanation":"No transfer record matches. ARIN's statistics show it reserved on 2022-04-17 and allocated (dated 2022-04-18) on 2022-04-19. The tracker saw this range released from hold on 2022-04-11 (198.97.52.0-198.97.52.255), so it appears to have been issued again from ARIN's pool."}],"b6b73e47cd9664bf":[{"raw_change_id":176104,"classification_code":"POOL_RECORD_CHANGE","confidence":"STRONG_INFERENCE","classifier_version":"1.3.0","classified_at":"2026-10-13T03:55:45+00:00","current":0,"public_explanation":"ARIN's statistics show it reserved on 2022-04-17 and allocated (dated 2022-04-18) on 2022-04-19. ARIN removed its own pool record for this range as part of issuing it: the same report adds 198.97.52.0-198.97.52.255. The issuance is explained on that line."},{"raw_change_id":176104,"classification_code":"POOL_RECORD_CHANGE","confidence":"STRONG_INFERENCE","classifier_version":"1.3.1","classified_at":"2026-10-13T08:07:12+00:00","current":0,"public_explanation":"ARIN's statistics show it reserved on 2022-04-17 and allocated (dated 2022-04-18) on 2022-04-19. ARIN removed its own pool record for this range as part of issuing it: the same report adds 198.97.52.0-198.97.52.255. The issuance is explained on that line."},{"raw_change_id":176104,"classification_code":"POOL_RECORD_CHANGE","confidence":"STRONG_INFERENCE","classifier_version":"1.3.2","classified_at":"2026-10-13T14:50:00+00:00","current":0,"public_explanation":"ARIN's statistics show it reserved on 2022-04-17 and allocated (dated 2022-04-18) on 2022-04-19. ARIN removed its own pool record for this range as part of issuing it: the same report adds 198.97.52.0-198.97.52.255. The issuance is explained on that line."},{"raw_change_id":176104,"classification_code":"POOL_RECORD_CHANGE","confidence":"STRONG_INFERENCE","classifier_version":"1.4.0","classified_at":"2026-10-13T23:53:22+00:00","current":1,"public_explanation":"ARIN's statistics show it reserved on 2022-04-17 and allocated (dated 2022-04-18) on 2022-04-19. ARIN removed its own pool record for this range as part of issuing it: the same report adds 198.97.52.0-198.97.52.255. The issuance is explained on that line."}],"6917077907bd455e":[{"raw_change_id":175950,"classification_code":"NO_MATERIAL_CHANGE","confidence":"STRONG_INFERENCE","classifier_version":"1.3.0","classified_at":"2026-10-13T03:55:37+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":175950,"classification_code":"NO_MATERIAL_CHANGE","confidence":"STRONG_INFERENCE","classifier_version":"1.3.1","classified_at":"2026-10-13T08:07:12+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":175950,"classification_code":"NO_MATERIAL_CHANGE","confidence":"STRONG_INFERENCE","classifier_version":"1.3.2","classified_at":"2026-10-13T14:50:00+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":175950,"classification_code":"NO_MATERIAL_CHANGE","confidence":"STRONG_INFERENCE","classifier_version":"1.4.0","classified_at":"2026-10-13T23:53:22+00:00","current":1,"public_explanation":"ARIN-Issued lists it as \"Remove\", but ARIN's statistics show the same record before and after (reserved)."}],"9cd0a363b6a2656f":[{"raw_change_id":399361,"classification_code":"REMOVED_REASON_UNKNOWN","confidence":"STRONG_INFERENCE","classifier_version":"1.3.0","classified_at":"2026-10-13T05:39:59+00:00","current":0,"public_explanation":"Removed from active registration. ARIN-Issued didn't list this; the tracker found it by comparing ARIN's daily statistics. ARIN's statistics show it assigned (dated 2014-02-27) on 2020-07-05 and reserved on 2020-07-07. Public sources do not distinguish a voluntary return, revocation, or reclamation. ARIN holds returned, revoked and reclaimed IPv4 space for 60 days before reissuing it, so the earliest estimated hold expiration is 2020-09-04. This does not confirm availability."},{"raw_change_id":399361,"classification_code":"REMOVED_REASON_UNKNOWN","confidence":"STRONG_INFERENCE","classifier_version":"1.3.1","classified_at":"2026-10-13T08:18:51+00:00","current":0,"public_explanation":"Removed from active registration. ARIN-Issued didn't list this; the tracker found it by comparing ARIN's daily statistics. ARIN's statistics show it assigned (dated 2014-02-27) on 2020-07-05 and reserved on 2020-07-07. Public sources do not distinguish a voluntary return, revocation, or reclamation. ARIN holds returned, revoked and reclaimed IPv4 space for 60 days before reissuing it, so the earliest estimated hold expiration is 2020-09-04. This does not confirm availability."},{"raw_change_id":399361,"classification_code":"REMOVED_REASON_UNKNOWN","confidence":"STRONG_INFERENCE","classifier_version":"1.3.2","classified_at":"2026-10-13T15:02:39+00:00","current":0,"public_explanation":"Removed from active registration. ARIN-Issued didn't list this; the tracker found it by comparing ARIN's daily statistics. ARIN's statistics show it assigned (dated 2014-02-27) on 2020-07-05 and reserved on 2020-07-07. Public sources do not distinguish a voluntary return, revocation, or reclamation. ARIN holds returned, revoked and reclaimed IPv4 space for 60 days before reissuing it, so the earliest estimated hold expiration is 2020-09-04. This does not confirm availability."},{"raw_change_id":399361,"classification_code":"REMOVED_REASON_UNKNOWN","confidence":"STRONG_INFERENCE","classifier_version":"1.4.0","classified_at":"2026-10-14T00:07:14+00:00","current":1,"public_explanation":"Removed from active registration. ARIN-Issued didn't list this; the tracker found it by comparing ARIN's daily statistics. ARIN's statistics show it assigned (dated 2014-02-27) on 2020-07-05 and reserved on 2020-07-07. Public sources do not distinguish a voluntary return, revocation, or reclamation. ARIN holds returned, revoked and reclaimed IPv4 space for 60 days before reissuing it, so the estimated hold end is 2020-09-04. This does not confirm availability."}],"202fb4d7fce617b3":[{"raw_change_id":131611,"classification_code":"APPARENT_REISSUANCE","confidence":"STRONG_INFERENCE","classifier_version":"1.3.0","classified_at":"2026-10-13T03:23:47+00:00","current":0,"public_explanation":"No transfer record matches. ARIN's statistics show it available on 2014-02-26 and assigned (dated 2014-02-27) on 2014-02-28. 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":131611,"classification_code":"APPARENT_REISSUANCE","confidence":"STRONG_INFERENCE","classifier_version":"1.3.1","classified_at":"2026-10-13T08:05:33+00:00","current":0,"public_explanation":"No transfer record matches. ARIN's statistics show it available on 2014-02-26 and assigned (dated 2014-02-27) on 2014-02-28. 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":131611,"classification_code":"APPARENT_REISSUANCE","confidence":"STRONG_INFERENCE","classifier_version":"1.3.2","classified_at":"2026-10-13T14:48:08+00:00","current":0,"public_explanation":"No transfer record matches. ARIN's statistics show it available on 2014-02-26 and assigned (dated 2014-02-27) on 2014-02-28. The tracker saw this range released from hold on 2010-05-13 (198.97.52.0-198.97.53.255), so it appears to have been issued again from ARIN's pool."},{"raw_change_id":131611,"classification_code":"APPARENT_REISSUANCE","confidence":"STRONG_INFERENCE","classifier_version":"1.4.0","classified_at":"2026-10-13T23:51:10+00:00","current":1,"public_explanation":"No transfer record matches. ARIN's statistics show it available on 2014-02-26 and assigned (dated 2014-02-27) on 2014-02-28. The tracker saw this range released from hold on 2010-05-13 (198.97.52.0-198.97.53.255), so it appears to have been issued again from ARIN's pool."}]},"arin_statistics_now":{"status":"allocated (dated 2022-04-18)"}}