{"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":"204.115.22.0/23","resource_type":"ipv4","page":"https://rirtracker.com/ip/204.115.22.0-204.115.23.255/","statistics_now":{"registry":"ARIN","status":"reserved"},"current_holder":{"rir":"ARIN","org":null,"how":"ARIN's latest statistics"},"rdap_snapshots":[{"resource_type":"ipv4","start_key":"000000000000000000000000cc731600","end_key":"000000000000000000000000cc7317ff","captured_at":"2026-11-11T18:22:19+00:00","reason":"24h","authoritative_rir":"ARIN","rdap_url":"https://rdap.arin.net/registry/ip/204.115.22.0","error":"not registered (RDAP 404)"},{"resource_type":"ipv4","start_key":"000000000000000000000000cc731600","end_key":"000000000000000000000000cc7317ff","captured_at":"2026-11-10T18:22:07+00:00","reason":"first","authoritative_rir":"ARIN","rdap_url":"https://rdap.arin.net/registry/ip/204.115.22.0","error":"not registered (RDAP 404)"}],"transfers":[],"events":[{"event_id":"13844344c5f663a9","registry":"ARIN","report_date":"2026-11-09","source":"statistics","raw_action":"NOT_IN_ARIN_ISSUED","raw_line":null,"resource_type":"ipv4","resource":"204.115.22.0/23","start":"204.115.22.0","end":"204.115.23.255","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":true,"classifier_version":"1.4.0","classified_at":"2026-11-10T18:27:02+00:00","page":"https://rirtracker.com/ip/204.115.22.0-204.115.23.255/#e-13844344c5f663a9","report_page":"https://rirtracker.com/arin/reports/2026-11-09/","evidence_url":"https://rirtracker.com/api/v1/resources/ip/204.115.22.0-204.115.23.255.json","observed":"204.115.22.0/23 allocated on 2026-11-09, reserved on 2026-11-10","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":"2027-01-08","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 allocated (dated 2019-06-21) on 2026-11-08 and reserved on 2026-11-10. 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 2027-01-08. This does not confirm availability.","evidence":[{"type":"statistics_diff","url":"https://ftp.arin.net/pub/stats/arin/delegated-arin-extended-20261110","retrieved_at":"2026-11-10T18:17:13+00:00","summary":"Not listed in ARIN-Issued; found by comparing ARIN's daily statistics: 204.115.22.0/23 allocated on 2026-11-09, reserved on 2026-11-10"},{"type":"delegated_before","url":"https://ftp.arin.net/pub/stats/arin/delegated-arin-extended-20261108","retrieved_at":"2026-11-08T18:17:14+00:00","summary":"ARIN delegated statistics 2026-11-08 (produced 2026-11-08T14:00:21+00:00), before the report: allocated (dated 2019-06-21)"},{"type":"delegated_after","url":"https://ftp.arin.net/pub/stats/arin/delegated-arin-extended-20261110","retrieved_at":"2026-11-10T18:17:13+00:00","summary":"ARIN delegated statistics 2026-11-10 (produced 2026-11-10T14:00:21+00:00), after the report: reserved"}]},{"event_id":"b9f23f89c399c1ac","registry":"ARIN","report_date":"2019-06-21","source":"arin_issued","raw_action":"ADD","raw_line":"Add 204.115.22.0-204.115.23.255","resource_type":"ipv4","resource":"204.115.22.0/23","start":"204.115.22.0","end":"204.115.23.255","classification":"RESTORED","classification_label":"Restored to the same holder","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":"2026-10-13T23:52:31+00:00","page":"https://rirtracker.com/ip/204.115.22.0-204.115.23.255/#e-b9f23f89c399c1ac","report_page":"https://rirtracker.com/arin/reports/2019-06-21/","evidence_url":"https://rirtracker.com/api/v1/resources/ip/204.115.22.0-204.115.23.255.json","explanation":"No transfer record matches. ARIN's statistics show it reserved on 2019-06-20 and assigned (dated 2019-06-21) on 2019-06-22. The tracker saw it removed from registration on 2017-09-05 (654 days earlier), and it is back with the same holder record it had before, so it went back to its previous holder rather than to a new one: most likely a suspension lifted, a reinstatement or a correction.","evidence":[{"type":"arin_issued","url":"https://lists.arin.net/pipermail/arin-issued/2019-June/003845.html","retrieved_at":"2026-10-12T18:40:31+00:00","summary":"ARIN-Issued report for 2019-06-21: \"Add 204.115.22.0-204.115.23.255\""},{"type":"delegated_before","url":"https://ftp.arin.net/pub/stats/arin/archive/2019/delegated-arin-extended-20190620.gz","retrieved_at":"2026-10-12T22:06:48+00:00","summary":"ARIN delegated statistics 2019-06-20 (produced 2019-06-20T14:00:16+00:00), before the report: reserved"},{"type":"delegated_after","url":"https://ftp.arin.net/pub/stats/arin/archive/2019/delegated-arin-extended-20190622.gz","retrieved_at":"2026-10-12T22:07:02+00:00","summary":"ARIN delegated statistics 2019-06-22 (produced 2019-06-22T14:00:16+00:00), after the report: assigned (dated 2019-06-21)"}]},{"event_id":"5540092446209852","registry":"ARIN","report_date":"2019-06-21","source":"arin_issued","raw_action":"REMOVE","raw_line":"Remove 204.115.22.0-204.115.23.255","resource_type":"ipv4","resource":"204.115.22.0/23","start":"204.115.22.0","end":"204.115.23.255","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":"2026-10-13T23:52:31+00:00","page":"https://rirtracker.com/ip/204.115.22.0-204.115.23.255/#e-5540092446209852","report_page":"https://rirtracker.com/arin/reports/2019-06-21/","evidence_url":"https://rirtracker.com/api/v1/resources/ip/204.115.22.0-204.115.23.255.json","explanation":"ARIN's statistics show it reserved on 2019-06-20 and assigned (dated 2019-06-21) on 2019-06-22. ARIN removed its own pool record for this range as part of issuing it: the same report adds 204.115.22.0-204.115.23.255. The issuance is explained on that line.","evidence":[{"type":"arin_issued","url":"https://lists.arin.net/pipermail/arin-issued/2019-June/003845.html","retrieved_at":"2026-10-12T18:40:31+00:00","summary":"ARIN-Issued report for 2019-06-21: \"Remove 204.115.22.0-204.115.23.255\""},{"type":"delegated_before","url":"https://ftp.arin.net/pub/stats/arin/archive/2019/delegated-arin-extended-20190620.gz","retrieved_at":"2026-10-12T22:06:48+00:00","summary":"ARIN delegated statistics 2019-06-20 (produced 2019-06-20T14:00:16+00:00), before the report: reserved"},{"type":"delegated_after","url":"https://ftp.arin.net/pub/stats/arin/archive/2019/delegated-arin-extended-20190622.gz","retrieved_at":"2026-10-12T22:07:02+00:00","summary":"ARIN delegated statistics 2019-06-22 (produced 2019-06-22T14:00:16+00:00), after the report: assigned (dated 2019-06-21)"}]},{"event_id":"6017a1ddea318e32","registry":"ARIN","report_date":"2017-09-05","source":"statistics","raw_action":"NOT_IN_ARIN_ISSUED","raw_line":null,"resource_type":"ipv4","resource":"204.115.22.0/23","start":"204.115.22.0","end":"204.115.23.255","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":"2026-10-14T00:03:27+00:00","page":"https://rirtracker.com/ip/204.115.22.0-204.115.23.255/#e-6017a1ddea318e32","report_page":"https://rirtracker.com/arin/reports/2017-09-05/","evidence_url":"https://rirtracker.com/api/v1/resources/ip/204.115.22.0-204.115.23.255.json","observed":"204.115.22.0/23 assigned on 2017-09-05, reserved on 2017-09-06","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":"2017-11-04","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 2011-05-12) on 2017-09-04 and reserved on 2017-09-06. 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 2017-11-04. This does not confirm availability.","evidence":[{"type":"statistics_diff","url":"https://ftp.arin.net/pub/stats/arin/archive/2017/delegated-arin-extended-20170906.gz","retrieved_at":"2026-10-12T21:33:55+00:00","summary":"Not listed in ARIN-Issued; found by comparing ARIN's daily statistics: 204.115.22.0/23 assigned on 2017-09-05, reserved on 2017-09-06"},{"type":"delegated_before","url":"https://ftp.arin.net/pub/stats/arin/archive/2017/delegated-arin-extended-20170904.gz","retrieved_at":"2026-10-12T21:33:50+00:00","summary":"ARIN delegated statistics 2017-09-04 (produced 2017-09-04T05:10:49+00:00), before the report: assigned (dated 2011-05-12)"},{"type":"delegated_after","url":"https://ftp.arin.net/pub/stats/arin/archive/2017/delegated-arin-extended-20170906.gz","retrieved_at":"2026-10-12T21:33:55+00:00","summary":"ARIN delegated statistics 2017-09-06 (produced 2017-09-06T05:10:53+00:00), after the report: reserved"}]},{"event_id":"99716890f22654f5","registry":"ARIN","report_date":"2011-05-12","source":"arin_issued","raw_action":"ADD","raw_line":"Add 204.115.22.0-204.115.23.255","resource_type":"ipv4","resource":"204.115.22.0/23","start":"204.115.22.0","end":"204.115.23.255","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":"2026-10-13T23:50:53+00:00","page":"https://rirtracker.com/ip/204.115.22.0-204.115.23.255/#e-99716890f22654f5","report_page":"https://rirtracker.com/arin/reports/2011-05-12/","evidence_url":"https://rirtracker.com/api/v1/resources/ip/204.115.22.0-204.115.23.255.json","explanation":"No transfer record matches. ARIN's statistics show it not issued on 2011-05-11 and assigned (dated 2011-05-12) on 2011-05-13. (Until 2013-03-05, ARIN's statistics list only what's issued.) 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/2011-May/000879.html","retrieved_at":"2026-10-12T18:37:06+00:00","summary":"ARIN-Issued report for 2011-05-12: \"Add 204.115.22.0-204.115.23.255\""},{"type":"delegated_before","url":"https://ftp.arin.net/pub/stats/arin/archive/2011/delegated-arin-20110511.gz","retrieved_at":"2026-10-12T19:19:58+00:00","summary":"ARIN delegated statistics 2011-05-11, before the report: not issued"},{"type":"delegated_after","url":"https://ftp.arin.net/pub/stats/arin/archive/2011/delegated-arin-20110513.gz","retrieved_at":"2026-10-12T19:20:02+00:00","summary":"ARIN delegated statistics 2011-05-13, after the report: assigned (dated 2011-05-12)"}]}],"classification_history":{"13844344c5f663a9":[{"raw_change_id":580147,"classification_code":"REMOVED_REASON_UNKNOWN","confidence":"STRONG_INFERENCE","classifier_version":"1.4.0","classified_at":"2026-11-10T18:27:02+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 allocated (dated 2019-06-21) on 2026-11-08 and reserved on 2026-11-10. 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 2027-01-08. This does not confirm availability."}],"b9f23f89c399c1ac":[{"raw_change_id":160103,"classification_code":"RESTORED","confidence":"STRONG_INFERENCE","classifier_version":"1.3.0","classified_at":"2026-10-13T03:44:35+00:00","current":0,"public_explanation":"No transfer record matches. ARIN's statistics show it reserved on 2019-06-20 and assigned (dated 2019-06-21) on 2019-06-22. The tracker saw it removed from registration on 2017-09-05 (654 days earlier), and it is back with the same holder record it had before, so it went back to its previous holder rather than to a new one: most likely a suspension lifted, a reinstatement or a correction."},{"raw_change_id":160103,"classification_code":"RESTORED","confidence":"STRONG_INFERENCE","classifier_version":"1.3.1","classified_at":"2026-10-13T08:06:34+00:00","current":0,"public_explanation":"No transfer record matches. ARIN's statistics show it reserved on 2019-06-20 and assigned (dated 2019-06-21) on 2019-06-22. The tracker saw it removed from registration on 2017-09-05 (654 days earlier), and it is back with the same holder record it had before, so it went back to its previous holder rather than to a new one: most likely a suspension lifted, a reinstatement or a correction."},{"raw_change_id":160103,"classification_code":"RESTORED","confidence":"STRONG_INFERENCE","classifier_version":"1.3.2","classified_at":"2026-10-13T14:49:17+00:00","current":0,"public_explanation":"No transfer record matches. ARIN's statistics show it reserved on 2019-06-20 and assigned (dated 2019-06-21) on 2019-06-22. The tracker saw it removed from registration on 2017-09-05 (654 days earlier), and it is back with the same holder record it had before, so it went back to its previous holder rather than to a new one: most likely a suspension lifted, a reinstatement or a correction."},{"raw_change_id":160103,"classification_code":"RESTORED","confidence":"STRONG_INFERENCE","classifier_version":"1.4.0","classified_at":"2026-10-13T23:52:31+00:00","current":1,"public_explanation":"No transfer record matches. ARIN's statistics show it reserved on 2019-06-20 and assigned (dated 2019-06-21) on 2019-06-22. The tracker saw it removed from registration on 2017-09-05 (654 days earlier), and it is back with the same holder record it had before, so it went back to its previous holder rather than to a new one: most likely a suspension lifted, a reinstatement or a correction."}],"5540092446209852":[{"raw_change_id":160099,"classification_code":"POOL_RECORD_CHANGE","confidence":"STRONG_INFERENCE","classifier_version":"1.3.0","classified_at":"2026-10-13T03:44:35+00:00","current":0,"public_explanation":"ARIN's statistics show it reserved on 2019-06-20 and assigned (dated 2019-06-21) on 2019-06-22. ARIN removed its own pool record for this range as part of issuing it: the same report adds 204.115.22.0-204.115.23.255. The issuance is explained on that line."},{"raw_change_id":160099,"classification_code":"POOL_RECORD_CHANGE","confidence":"STRONG_INFERENCE","classifier_version":"1.3.1","classified_at":"2026-10-13T08:06:34+00:00","current":0,"public_explanation":"ARIN's statistics show it reserved on 2019-06-20 and assigned (dated 2019-06-21) on 2019-06-22. ARIN removed its own pool record for this range as part of issuing it: the same report adds 204.115.22.0-204.115.23.255. The issuance is explained on that line."},{"raw_change_id":160099,"classification_code":"POOL_RECORD_CHANGE","confidence":"STRONG_INFERENCE","classifier_version":"1.3.2","classified_at":"2026-10-13T14:49:17+00:00","current":0,"public_explanation":"ARIN's statistics show it reserved on 2019-06-20 and assigned (dated 2019-06-21) on 2019-06-22. ARIN removed its own pool record for this range as part of issuing it: the same report adds 204.115.22.0-204.115.23.255. The issuance is explained on that line."},{"raw_change_id":160099,"classification_code":"POOL_RECORD_CHANGE","confidence":"STRONG_INFERENCE","classifier_version":"1.4.0","classified_at":"2026-10-13T23:52:31+00:00","current":1,"public_explanation":"ARIN's statistics show it reserved on 2019-06-20 and assigned (dated 2019-06-21) on 2019-06-22. ARIN removed its own pool record for this range as part of issuing it: the same report adds 204.115.22.0-204.115.23.255. The issuance is explained on that line."}],"6017a1ddea318e32":[{"raw_change_id":340808,"classification_code":"REMOVED_REASON_UNKNOWN","confidence":"STRONG_INFERENCE","classifier_version":"1.3.0","classified_at":"2026-10-13T05:15:05+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 2011-05-12) on 2017-09-04 and reserved on 2017-09-06. 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 2017-11-04. This does not confirm availability."},{"raw_change_id":340808,"classification_code":"REMOVED_REASON_UNKNOWN","confidence":"STRONG_INFERENCE","classifier_version":"1.3.1","classified_at":"2026-10-13T08:15:45+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 2011-05-12) on 2017-09-04 and reserved on 2017-09-06. 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 2017-11-04. This does not confirm availability."},{"raw_change_id":340808,"classification_code":"REMOVED_REASON_UNKNOWN","confidence":"STRONG_INFERENCE","classifier_version":"1.3.2","classified_at":"2026-10-13T14:59:17+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 2011-05-12) on 2017-09-04 and reserved on 2017-09-06. 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 2017-11-04. This does not confirm availability."},{"raw_change_id":340808,"classification_code":"REMOVED_REASON_UNKNOWN","confidence":"STRONG_INFERENCE","classifier_version":"1.4.0","classified_at":"2026-10-14T00:03:27+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 2011-05-12) on 2017-09-04 and reserved on 2017-09-06. 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 2017-11-04. This does not confirm availability."}],"99716890f22654f5":[{"raw_change_id":123538,"classification_code":"APPARENT_NEW_ISSUANCE","confidence":"STRONG_INFERENCE","classifier_version":"1.3.0","classified_at":"2026-10-13T03:13:59+00:00","current":0,"public_explanation":"No transfer record matches. ARIN's statistics show it not issued on 2011-05-11 and assigned (dated 2011-05-12) on 2011-05-13. (Until 2013-03-05, ARIN's statistics list only what's issued.) 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":123538,"classification_code":"APPARENT_NEW_ISSUANCE","confidence":"STRONG_INFERENCE","classifier_version":"1.3.1","classified_at":"2026-10-13T08:05:20+00:00","current":0,"public_explanation":"No transfer record matches. ARIN's statistics show it not issued on 2011-05-11 and assigned (dated 2011-05-12) on 2011-05-13. (Until 2013-03-05, ARIN's statistics list only what's issued.) 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":123538,"classification_code":"APPARENT_NEW_ISSUANCE","confidence":"STRONG_INFERENCE","classifier_version":"1.3.2","classified_at":"2026-10-13T14:47:54+00:00","current":0,"public_explanation":"No transfer record matches. ARIN's statistics show it not issued on 2011-05-11 and assigned (dated 2011-05-12) on 2011-05-13. (Until 2013-03-05, ARIN's statistics list only what's issued.) 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":123538,"classification_code":"APPARENT_NEW_ISSUANCE","confidence":"STRONG_INFERENCE","classifier_version":"1.4.0","classified_at":"2026-10-13T23:50:53+00:00","current":1,"public_explanation":"No transfer record matches. ARIN's statistics show it not issued on 2011-05-11 and assigned (dated 2011-05-12) on 2011-05-13. (Until 2013-03-05, ARIN's statistics list only what's issued.) 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":"reserved"}}