{"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":"204.137.12.0/24","resource_type":"ipv4","page":"https://rirtracker.com/ip/204.137.12.0-204.137.12.255/","statistics_now":{"registry":"ARIN","status":"allocated (dated 2024-04-03)"},"current_holder":{"rir":"ARIN","org":"AP GP Operations, LLC","how":"ARIN's latest statistics and the latest transfer record"},"rdap_snapshots":[],"transfers":[{"id":28272,"date":"2022-06-08T21:37:28Z","type":"MERGER_ACQUISITION","source_rir":"ARIN","recipient_rir":"ARIN","source_org":"AP GP, LLC","recipient_org":"AP GP Operations, LLC","range":"204.137.12.0/24","log":"ARIN"}],"events":[{"event_id":"8e136100455d8482","registry":"ARIN","report_date":"2024-04-03","source":"arin_issued","raw_action":"ADD","raw_line":"Add 204.137.12.0-204.137.12.255","resource_type":"ipv4","resource":"204.137.12.0/24","start":"204.137.12.0","end":"204.137.12.255","classification":"APPARENT_REISSUANCE","classification_label":"Apparent reissuance of previously removed resource","confidence":"OBSERVED_ONLY","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":"2026-10-13T23:54:02+00:00","page":"https://rirtracker.com/ip/204.137.12.0-204.137.12.255/#e-8e136100455d8482","report_page":"https://rirtracker.com/arin/reports/2024-04-03/","evidence_url":"https://rirtracker.com/api/v1/resources/ip/204.137.12.0-204.137.12.255.json","explanation":"No transfer record matches. ARIN's statistics show it reserved on 2024-04-02 and allocated (dated 2024-04-03) on 2024-04-04. The tracker saw this range released from hold on 2024-04-02 (204.137.12.0-204.137.12.255), so it appears to have been issued again from ARIN's pool. Another change to this range was reported the day before or after (2024-04-02: Remove 204.137.12.0-204.137.12.255), so the before-and-after statistics may include it.","evidence":[{"type":"arin_issued","url":"https://lists.arin.net/pipermail/arin-issued/2024-April/005591.html","retrieved_at":"2026-10-12T18:42:33+00:00","summary":"ARIN-Issued report for 2024-04-03: \"Add 204.137.12.0-204.137.12.255\""},{"type":"delegated_before","url":"https://ftp.arin.net/pub/stats/arin/archive/2024/delegated-arin-extended-20240402.gz","retrieved_at":"2026-10-12T23:37:44+00:00","summary":"ARIN delegated statistics 2024-04-02 (produced 2024-04-02T13:00:50+00:00), before the report: reserved"},{"type":"delegated_after","url":"https://ftp.arin.net/pub/stats/arin/archive/2024/delegated-arin-extended-20240404.gz","retrieved_at":"2026-10-12T23:37:49+00:00","summary":"ARIN delegated statistics 2024-04-04 (produced 2024-04-04T13:00:49+00:00), after the report: allocated (dated 2024-04-03)"}]},{"event_id":"c8fabd8257dd6928","registry":"ARIN","report_date":"2024-04-03","source":"arin_issued","raw_action":"REMOVE","raw_line":"Remove 204.137.12.0-204.137.12.255","resource_type":"ipv4","resource":"204.137.12.0/24","start":"204.137.12.0","end":"204.137.12.255","classification":"POOL_RECORD_CHANGE","classification_label":"Change to ARIN's own pool record","confidence":"OBSERVED_ONLY","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":"2026-10-13T23:54:02+00:00","page":"https://rirtracker.com/ip/204.137.12.0-204.137.12.255/#e-c8fabd8257dd6928","report_page":"https://rirtracker.com/arin/reports/2024-04-03/","evidence_url":"https://rirtracker.com/api/v1/resources/ip/204.137.12.0-204.137.12.255.json","explanation":"ARIN's statistics show it reserved on 2024-04-02 and allocated (dated 2024-04-03) on 2024-04-04. ARIN removed its own pool record for this range as part of issuing it: the same report adds 204.137.12.0-204.137.12.255. The issuance is explained on that line. Another change to this range was reported the day before or after (2024-04-02: Remove 204.137.12.0-204.137.12.255), so the before-and-after statistics may include it.","evidence":[{"type":"arin_issued","url":"https://lists.arin.net/pipermail/arin-issued/2024-April/005591.html","retrieved_at":"2026-10-12T18:42:33+00:00","summary":"ARIN-Issued report for 2024-04-03: \"Remove 204.137.12.0-204.137.12.255\""},{"type":"delegated_before","url":"https://ftp.arin.net/pub/stats/arin/archive/2024/delegated-arin-extended-20240402.gz","retrieved_at":"2026-10-12T23:37:44+00:00","summary":"ARIN delegated statistics 2024-04-02 (produced 2024-04-02T13:00:50+00:00), before the report: reserved"},{"type":"delegated_after","url":"https://ftp.arin.net/pub/stats/arin/archive/2024/delegated-arin-extended-20240404.gz","retrieved_at":"2026-10-12T23:37:49+00:00","summary":"ARIN delegated statistics 2024-04-04 (produced 2024-04-04T13:00:49+00:00), after the report: allocated (dated 2024-04-03)"}]},{"event_id":"8c331eaa497aa2dc","registry":"ARIN","report_date":"2024-04-02","source":"arin_issued","raw_action":"REMOVE","raw_line":"Remove 204.137.12.0-204.137.12.255","resource_type":"ipv4","resource":"204.137.12.0/24","start":"204.137.12.0","end":"204.137.12.255","classification":"NO_MATERIAL_CHANGE","classification_label":"No substantive resource change found","confidence":"OBSERVED_ONLY","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":"2026-10-13T23:54:02+00:00","page":"https://rirtracker.com/ip/204.137.12.0-204.137.12.255/#e-8c331eaa497aa2dc","report_page":"https://rirtracker.com/arin/reports/2024-04-02/","evidence_url":"https://rirtracker.com/api/v1/resources/ip/204.137.12.0-204.137.12.255.json","explanation":"ARIN-Issued lists it as \"Remove\", but ARIN's statistics show the same record before and after (reserved). Another change to this range was reported the day before or after (2024-04-03: Remove 204.137.12.0-204.137.12.255; 2024-04-03: Add 204.137.12.0-204.137.12.255), so the before-and-after statistics may include it.","evidence":[{"type":"arin_issued","url":"https://lists.arin.net/pipermail/arin-issued/2024-April/005590.html","retrieved_at":"2026-10-12T18:42:33+00:00","summary":"ARIN-Issued report for 2024-04-02: \"Remove 204.137.12.0-204.137.12.255\""},{"type":"delegated_before","url":"https://ftp.arin.net/pub/stats/arin/archive/2024/delegated-arin-extended-20240401.gz","retrieved_at":"2026-10-12T23:37:42+00:00","summary":"ARIN delegated statistics 2024-04-01 (produced 2024-04-01T13:00:49+00:00), before the report: reserved"},{"type":"delegated_after","url":"https://ftp.arin.net/pub/stats/arin/archive/2024/delegated-arin-extended-20240403.gz","retrieved_at":"2026-10-12T23:37:46+00:00","summary":"ARIN delegated statistics 2024-04-03 (produced 2024-04-03T13:00:50+00:00), after the report: reserved"}]},{"event_id":"995d2b72007184a6","registry":"ARIN","report_date":"2023-02-07","source":"statistics","raw_action":"NOT_IN_ARIN_ISSUED","raw_line":null,"resource_type":"ipv4","resource":"204.137.12.0/24","start":"204.137.12.0","end":"204.137.12.255","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":"2026-10-14T00:10:14+00:00","page":"https://rirtracker.com/ip/204.137.12.0-204.137.12.255/#e-995d2b72007184a6","report_page":"https://rirtracker.com/arin/reports/2023-02-07/","evidence_url":"https://rirtracker.com/api/v1/resources/ip/204.137.12.0-204.137.12.255.json","observed":"204.137.12.0/24 allocated on 2023-02-07, reserved on 2023-02-08","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":"2023-04-08","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 2021-10-01) on 2023-02-06 and reserved on 2023-02-08. 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 2023-04-08. This does not confirm availability.","evidence":[{"type":"statistics_diff","url":"https://ftp.arin.net/pub/stats/arin/archive/2023/delegated-arin-extended-20230208.gz","retrieved_at":"2026-10-12T23:15:29+00:00","summary":"Not listed in ARIN-Issued; found by comparing ARIN's daily statistics: 204.137.12.0/24 allocated on 2023-02-07, reserved on 2023-02-08"},{"type":"delegated_before","url":"https://ftp.arin.net/pub/stats/arin/archive/2023/delegated-arin-extended-20230206.gz","retrieved_at":"2026-10-12T23:15:24+00:00","summary":"ARIN delegated statistics 2023-02-06 (produced 2023-02-06T14:00:10+00:00), before the report: allocated (dated 2021-10-01)"},{"type":"delegated_after","url":"https://ftp.arin.net/pub/stats/arin/archive/2023/delegated-arin-extended-20230208.gz","retrieved_at":"2026-10-12T23:15:29+00:00","summary":"ARIN delegated statistics 2023-02-08 (produced 2023-02-08T14:00:11+00:00), after the report: reserved"}]},{"event_id":"713ef96b570a9a20","registry":"ARIN","report_date":"2022-06-08","source":"transfers","raw_action":"TRANSFER","raw_line":null,"resource_type":"ipv4","resource":"204.137.12.0/24","start":"204.137.12.0","end":"204.137.12.255","classification":"MERGER_ACQUISITION","classification_label":"Merger/acquisition or reorganization","confidence":"CONFIRMED","source_rir":"ARIN","recipient_rir":"ARIN","source_organization":"AP GP, LLC","recipient_organization":"AP GP Operations, LLC","inventory_effect":"No effect on ARIN applicant inventory","inventory_effect_code":"NO_EFFECT","provisional":false,"classifier_version":"1.4.0","classified_at":"2026-10-14T00:19:02+00:00","page":"https://rirtracker.com/ip/204.137.12.0-204.137.12.255/#e-713ef96b570a9a20","report_page":"https://rirtracker.com/arin/reports/2022-06-08/","evidence_url":"https://rirtracker.com/api/v1/resources/ip/204.137.12.0-204.137.12.255.json","observed":"Merger/acquisition: AP GP, LLC (ARIN) to AP GP Operations, LLC (ARIN)","explanation":"ARIN's transfer log records a merger, acquisition or reorganization from AP GP, LLC (ARIN) to AP GP Operations, LLC (ARIN) on 2022-06-08 21:37 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 2022-06-08 21:37 UTC, AP GP, LLC (ARIN) to AP GP Operations, LLC (ARIN); resources moved: 204.137.12.0/24"},{"type":"delegated_before","url":"https://ftp.arin.net/pub/stats/arin/archive/2022/delegated-arin-extended-20220607.gz","retrieved_at":"2026-10-12T23:02:37+00:00","summary":"ARIN delegated statistics 2022-06-07 (produced 2022-06-07T13:00:13+00:00), before the report: allocated (dated 2021-10-01)"},{"type":"delegated_after","url":"https://ftp.arin.net/pub/stats/arin/archive/2022/delegated-arin-extended-20220609.gz","retrieved_at":"2026-10-12T23:02:42+00:00","summary":"ARIN delegated statistics 2022-06-09 (produced 2022-06-09T13:00:13+00:00), after the report: allocated (dated 2021-10-01)"}]},{"event_id":"cdea33ebd4da768f","registry":"ARIN","report_date":"2021-10-01","source":"arin_issued","raw_action":"ADD","raw_line":"Add 204.137.12.0-204.137.12.255","resource_type":"ipv4","resource":"204.137.12.0/24","start":"204.137.12.0","end":"204.137.12.255","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":"2026-10-13T23:53:14+00:00","page":"https://rirtracker.com/ip/204.137.12.0-204.137.12.255/#e-cdea33ebd4da768f","report_page":"https://rirtracker.com/arin/reports/2021-10-01/","evidence_url":"https://rirtracker.com/api/v1/resources/ip/204.137.12.0-204.137.12.255.json","explanation":"No transfer record matches. ARIN's statistics show it reserved on 2021-09-30 and allocated (dated 2021-10-01) on 2021-10-02. The tracker saw this range removed from registration on 2020-09-07 (204.137.12.0/24), so it appears to have been issued again from ARIN's pool.","evidence":[{"type":"arin_issued","url":"https://lists.arin.net/pipermail/arin-issued/2021-October/004676.html","retrieved_at":"2026-10-12T18:41:30+00:00","summary":"ARIN-Issued report for 2021-10-01: \"Add 204.137.12.0-204.137.12.255\""},{"type":"delegated_before","url":"https://ftp.arin.net/pub/stats/arin/archive/2021/delegated-arin-extended-20210930.gz","retrieved_at":"2026-10-12T22:49:43+00:00","summary":"ARIN delegated statistics 2021-09-30 (produced 2021-09-30T14:00:13+00:00), before the report: reserved"},{"type":"delegated_after","url":"https://ftp.arin.net/pub/stats/arin/archive/2021/delegated-arin-extended-20211002.gz","retrieved_at":"2026-10-12T22:49:48+00:00","summary":"ARIN delegated statistics 2021-10-02 (produced 2021-10-02T14:00:14+00:00), after the report: allocated (dated 2021-10-01)"}]},{"event_id":"702dfcb56a3bd0ae","registry":"ARIN","report_date":"2021-10-01","source":"arin_issued","raw_action":"REMOVE","raw_line":"Remove 204.137.12.0-204.137.12.255","resource_type":"ipv4","resource":"204.137.12.0/24","start":"204.137.12.0","end":"204.137.12.255","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":"2026-10-13T23:53:14+00:00","page":"https://rirtracker.com/ip/204.137.12.0-204.137.12.255/#e-702dfcb56a3bd0ae","report_page":"https://rirtracker.com/arin/reports/2021-10-01/","evidence_url":"https://rirtracker.com/api/v1/resources/ip/204.137.12.0-204.137.12.255.json","explanation":"ARIN's statistics show it reserved on 2021-09-30 and allocated (dated 2021-10-01) on 2021-10-02. ARIN removed its own pool record for this range as part of issuing it: the same report adds 204.137.12.0-204.137.12.255. The issuance is explained on that line.","evidence":[{"type":"arin_issued","url":"https://lists.arin.net/pipermail/arin-issued/2021-October/004676.html","retrieved_at":"2026-10-12T18:41:30+00:00","summary":"ARIN-Issued report for 2021-10-01: \"Remove 204.137.12.0-204.137.12.255\""},{"type":"delegated_before","url":"https://ftp.arin.net/pub/stats/arin/archive/2021/delegated-arin-extended-20210930.gz","retrieved_at":"2026-10-12T22:49:43+00:00","summary":"ARIN delegated statistics 2021-09-30 (produced 2021-09-30T14:00:13+00:00), before the report: reserved"},{"type":"delegated_after","url":"https://ftp.arin.net/pub/stats/arin/archive/2021/delegated-arin-extended-20211002.gz","retrieved_at":"2026-10-12T22:49:48+00:00","summary":"ARIN delegated statistics 2021-10-02 (produced 2021-10-02T14:00:14+00:00), after the report: allocated (dated 2021-10-01)"}]},{"event_id":"59199ab5a9d81191","registry":"ARIN","report_date":"2020-09-07","source":"statistics","raw_action":"NOT_IN_ARIN_ISSUED","raw_line":null,"resource_type":"ipv4","resource":"204.137.12.0/24","start":"204.137.12.0","end":"204.137.12.255","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":"2026-10-14T00:07:24+00:00","page":"https://rirtracker.com/ip/204.137.12.0-204.137.12.255/#e-59199ab5a9d81191","report_page":"https://rirtracker.com/arin/reports/2020-09-07/","evidence_url":"https://rirtracker.com/api/v1/resources/ip/204.137.12.0-204.137.12.255.json","observed":"204.137.12.0/24 assigned on 2020-09-07, reserved on 2020-09-08","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":"2020-11-06","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 1994-08-29) on 2020-09-06 and reserved on 2020-09-08. 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 2020-11-06. This does not confirm availability.","evidence":[{"type":"statistics_diff","url":"https://ftp.arin.net/pub/stats/arin/archive/2020/delegated-arin-extended-20200908.gz","retrieved_at":"2026-10-12T22:29:51+00:00","summary":"Not listed in ARIN-Issued; found by comparing ARIN's daily statistics: 204.137.12.0/24 assigned on 2020-09-07, reserved on 2020-09-08"},{"type":"delegated_before","url":"https://ftp.arin.net/pub/stats/arin/archive/2020/delegated-arin-extended-20200906.gz","retrieved_at":"2026-10-12T22:29:46+00:00","summary":"ARIN delegated statistics 2020-09-06 (produced 2020-09-06T14:00:14+00:00), before the report: assigned (dated 1994-08-29)"},{"type":"delegated_after","url":"https://ftp.arin.net/pub/stats/arin/archive/2020/delegated-arin-extended-20200908.gz","retrieved_at":"2026-10-12T22:29:51+00:00","summary":"ARIN delegated statistics 2020-09-08 (produced 2020-09-08T14:00:13+00:00), after the report: reserved"}]}],"classification_history":{"8e136100455d8482":[{"raw_change_id":186584,"classification_code":"APPARENT_REISSUANCE","confidence":"OBSERVED_ONLY","classifier_version":"1.3.0","classified_at":"2026-10-13T04:01:49+00:00","current":0,"public_explanation":"No transfer record matches. ARIN's statistics show it reserved on 2024-04-02 and allocated (dated 2024-04-03) on 2024-04-04. The tracker saw this range released from hold on 2024-04-02 (204.137.12.0-204.137.12.255), so it appears to have been issued again from ARIN's pool. Another change to this range was reported the day before or after (2024-04-02: Remove 204.137.12.0-204.137.12.255), so the before-and-after statistics may include it."},{"raw_change_id":186584,"classification_code":"APPARENT_REISSUANCE","confidence":"OBSERVED_ONLY","classifier_version":"1.3.1","classified_at":"2026-10-13T08:07:41+00:00","current":0,"public_explanation":"No transfer record matches. ARIN's statistics show it reserved on 2024-04-02 and allocated (dated 2024-04-03) on 2024-04-04. The tracker saw this range released from hold on 2024-04-02 (204.137.12.0-204.137.12.255), so it appears to have been issued again from ARIN's pool. Another change to this range was reported the day before or after (2024-04-02: Remove 204.137.12.0-204.137.12.255), so the before-and-after statistics may include it."},{"raw_change_id":186584,"classification_code":"APPARENT_REISSUANCE","confidence":"OBSERVED_ONLY","classifier_version":"1.3.2","classified_at":"2026-10-13T14:50:33+00:00","current":0,"public_explanation":"No transfer record matches. ARIN's statistics show it reserved on 2024-04-02 and allocated (dated 2024-04-03) on 2024-04-04. The tracker saw this range released from hold on 2024-04-02 (204.137.12.0-204.137.12.255), so it appears to have been issued again from ARIN's pool. Another change to this range was reported the day before or after (2024-04-02: Remove 204.137.12.0-204.137.12.255), so the before-and-after statistics may include it."},{"raw_change_id":186584,"classification_code":"APPARENT_REISSUANCE","confidence":"OBSERVED_ONLY","classifier_version":"1.4.0","classified_at":"2026-10-13T23:54:02+00:00","current":1,"public_explanation":"No transfer record matches. ARIN's statistics show it reserved on 2024-04-02 and allocated (dated 2024-04-03) on 2024-04-04. The tracker saw this range released from hold on 2024-04-02 (204.137.12.0-204.137.12.255), so it appears to have been issued again from ARIN's pool. Another change to this range was reported the day before or after (2024-04-02: Remove 204.137.12.0-204.137.12.255), so the before-and-after statistics may include it."}],"c8fabd8257dd6928":[{"raw_change_id":186548,"classification_code":"POOL_RECORD_CHANGE","confidence":"OBSERVED_ONLY","classifier_version":"1.3.0","classified_at":"2026-10-13T04:01:47+00:00","current":0,"public_explanation":"ARIN's statistics show it reserved on 2024-04-02 and allocated (dated 2024-04-03) on 2024-04-04. ARIN removed its own pool record for this range as part of issuing it: the same report adds 204.137.12.0-204.137.12.255. The issuance is explained on that line. Another change to this range was reported the day before or after (2024-04-02: Remove 204.137.12.0-204.137.12.255), so the before-and-after statistics may include it."},{"raw_change_id":186548,"classification_code":"POOL_RECORD_CHANGE","confidence":"OBSERVED_ONLY","classifier_version":"1.3.1","classified_at":"2026-10-13T08:07:41+00:00","current":0,"public_explanation":"ARIN's statistics show it reserved on 2024-04-02 and allocated (dated 2024-04-03) on 2024-04-04. ARIN removed its own pool record for this range as part of issuing it: the same report adds 204.137.12.0-204.137.12.255. The issuance is explained on that line. Another change to this range was reported the day before or after (2024-04-02: Remove 204.137.12.0-204.137.12.255), so the before-and-after statistics may include it."},{"raw_change_id":186548,"classification_code":"POOL_RECORD_CHANGE","confidence":"OBSERVED_ONLY","classifier_version":"1.3.2","classified_at":"2026-10-13T14:50:33+00:00","current":0,"public_explanation":"ARIN's statistics show it reserved on 2024-04-02 and allocated (dated 2024-04-03) on 2024-04-04. ARIN removed its own pool record for this range as part of issuing it: the same report adds 204.137.12.0-204.137.12.255. The issuance is explained on that line. Another change to this range was reported the day before or after (2024-04-02: Remove 204.137.12.0-204.137.12.255), so the before-and-after statistics may include it."},{"raw_change_id":186548,"classification_code":"POOL_RECORD_CHANGE","confidence":"OBSERVED_ONLY","classifier_version":"1.4.0","classified_at":"2026-10-13T23:54:02+00:00","current":1,"public_explanation":"ARIN's statistics show it reserved on 2024-04-02 and allocated (dated 2024-04-03) on 2024-04-04. ARIN removed its own pool record for this range as part of issuing it: the same report adds 204.137.12.0-204.137.12.255. The issuance is explained on that line. Another change to this range was reported the day before or after (2024-04-02: Remove 204.137.12.0-204.137.12.255), so the before-and-after statistics may include it."}],"8c331eaa497aa2dc":[{"raw_change_id":186479,"classification_code":"NO_MATERIAL_CHANGE","confidence":"OBSERVED_ONLY","classifier_version":"1.3.0","classified_at":"2026-10-13T04:01:44+00:00","current":0,"public_explanation":"ARIN-Issued lists it as \"Remove\", but ARIN's statistics show the same record before and after (reserved). Another change to this range was reported the day before or after (2024-04-03: Remove 204.137.12.0-204.137.12.255; 2024-04-03: Add 204.137.12.0-204.137.12.255), so the before-and-after statistics may include it."},{"raw_change_id":186479,"classification_code":"NO_MATERIAL_CHANGE","confidence":"OBSERVED_ONLY","classifier_version":"1.3.1","classified_at":"2026-10-13T08:07:41+00:00","current":0,"public_explanation":"ARIN-Issued lists it as \"Remove\", but ARIN's statistics show the same record before and after (reserved). Another change to this range was reported the day before or after (2024-04-03: Remove 204.137.12.0-204.137.12.255; 2024-04-03: Add 204.137.12.0-204.137.12.255), so the before-and-after statistics may include it."},{"raw_change_id":186479,"classification_code":"NO_MATERIAL_CHANGE","confidence":"OBSERVED_ONLY","classifier_version":"1.3.2","classified_at":"2026-10-13T14:50:33+00:00","current":0,"public_explanation":"ARIN-Issued lists it as \"Remove\", but ARIN's statistics show the same record before and after (reserved). Another change to this range was reported the day before or after (2024-04-03: Remove 204.137.12.0-204.137.12.255; 2024-04-03: Add 204.137.12.0-204.137.12.255), so the before-and-after statistics may include it."},{"raw_change_id":186479,"classification_code":"NO_MATERIAL_CHANGE","confidence":"OBSERVED_ONLY","classifier_version":"1.4.0","classified_at":"2026-10-13T23:54:02+00:00","current":1,"public_explanation":"ARIN-Issued lists it as \"Remove\", but ARIN's statistics show the same record before and after (reserved). Another change to this range was reported the day before or after (2024-04-03: Remove 204.137.12.0-204.137.12.255; 2024-04-03: Add 204.137.12.0-204.137.12.255), so the before-and-after statistics may include it."}],"995d2b72007184a6":[{"raw_change_id":440966,"classification_code":"REMOVED_REASON_UNKNOWN","confidence":"STRONG_INFERENCE","classifier_version":"1.3.0","classified_at":"2026-10-13T05:56:40+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 allocated (dated 2021-10-01) on 2023-02-06 and reserved on 2023-02-08. 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 2023-04-08. This does not confirm availability."},{"raw_change_id":440966,"classification_code":"REMOVED_REASON_UNKNOWN","confidence":"STRONG_INFERENCE","classifier_version":"1.3.1","classified_at":"2026-10-13T08:21:21+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 allocated (dated 2021-10-01) on 2023-02-06 and reserved on 2023-02-08. 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 2023-04-08. This does not confirm availability."},{"raw_change_id":440966,"classification_code":"REMOVED_REASON_UNKNOWN","confidence":"STRONG_INFERENCE","classifier_version":"1.3.2","classified_at":"2026-10-13T15:05:19+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 allocated (dated 2021-10-01) on 2023-02-06 and reserved on 2023-02-08. 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 2023-04-08. This does not confirm availability."},{"raw_change_id":440966,"classification_code":"REMOVED_REASON_UNKNOWN","confidence":"STRONG_INFERENCE","classifier_version":"1.4.0","classified_at":"2026-10-14T00:10:14+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 allocated (dated 2021-10-01) on 2023-02-06 and reserved on 2023-02-08. 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 2023-04-08. This does not confirm availability."}],"713ef96b570a9a20":[{"raw_change_id":565837,"classification_code":"MERGER_ACQUISITION","confidence":"CONFIRMED","classifier_version":"1.4.0","classified_at":"2026-10-14T00:19:02+00:00","current":1,"public_explanation":"ARIN's transfer log records a merger, acquisition or reorganization from AP GP, LLC (ARIN) to AP GP Operations, LLC (ARIN) on 2022-06-08 21:37 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."}],"cdea33ebd4da768f":[{"raw_change_id":173254,"classification_code":"APPARENT_REISSUANCE","confidence":"STRONG_INFERENCE","classifier_version":"1.3.0","classified_at":"2026-10-13T03:53:43+00:00","current":0,"public_explanation":"No transfer record matches. ARIN's statistics show it reserved on 2021-09-30 and allocated (dated 2021-10-01) on 2021-10-02. The tracker saw this range removed from registration on 2020-09-07 (204.137.12.0/24), so it appears to have been issued again from ARIN's pool."},{"raw_change_id":173254,"classification_code":"APPARENT_REISSUANCE","confidence":"STRONG_INFERENCE","classifier_version":"1.3.1","classified_at":"2026-10-13T08:07:06+00:00","current":0,"public_explanation":"No transfer record matches. ARIN's statistics show it reserved on 2021-09-30 and allocated (dated 2021-10-01) on 2021-10-02. The tracker saw this range removed from registration on 2020-09-07 (204.137.12.0/24), so it appears to have been issued again from ARIN's pool."},{"raw_change_id":173254,"classification_code":"APPARENT_REISSUANCE","confidence":"STRONG_INFERENCE","classifier_version":"1.3.2","classified_at":"2026-10-13T14:49:53+00:00","current":0,"public_explanation":"No transfer record matches. ARIN's statistics show it reserved on 2021-09-30 and allocated (dated 2021-10-01) on 2021-10-02. The tracker saw this range removed from registration on 2020-09-07 (204.137.12.0/24), so it appears to have been issued again from ARIN's pool."},{"raw_change_id":173254,"classification_code":"APPARENT_REISSUANCE","confidence":"STRONG_INFERENCE","classifier_version":"1.4.0","classified_at":"2026-10-13T23:53:14+00:00","current":1,"public_explanation":"No transfer record matches. ARIN's statistics show it reserved on 2021-09-30 and allocated (dated 2021-10-01) on 2021-10-02. The tracker saw this range removed from registration on 2020-09-07 (204.137.12.0/24), so it appears to have been issued again from ARIN's pool."}],"702dfcb56a3bd0ae":[{"raw_change_id":173213,"classification_code":"POOL_RECORD_CHANGE","confidence":"STRONG_INFERENCE","classifier_version":"1.3.0","classified_at":"2026-10-13T03:53:41+00:00","current":0,"public_explanation":"ARIN's statistics show it reserved on 2021-09-30 and allocated (dated 2021-10-01) on 2021-10-02. ARIN removed its own pool record for this range as part of issuing it: the same report adds 204.137.12.0-204.137.12.255. The issuance is explained on that line."},{"raw_change_id":173213,"classification_code":"POOL_RECORD_CHANGE","confidence":"STRONG_INFERENCE","classifier_version":"1.3.1","classified_at":"2026-10-13T08:07:06+00:00","current":0,"public_explanation":"ARIN's statistics show it reserved on 2021-09-30 and allocated (dated 2021-10-01) on 2021-10-02. ARIN removed its own pool record for this range as part of issuing it: the same report adds 204.137.12.0-204.137.12.255. The issuance is explained on that line."},{"raw_change_id":173213,"classification_code":"POOL_RECORD_CHANGE","confidence":"STRONG_INFERENCE","classifier_version":"1.3.2","classified_at":"2026-10-13T14:49:53+00:00","current":0,"public_explanation":"ARIN's statistics show it reserved on 2021-09-30 and allocated (dated 2021-10-01) on 2021-10-02. ARIN removed its own pool record for this range as part of issuing it: the same report adds 204.137.12.0-204.137.12.255. The issuance is explained on that line."},{"raw_change_id":173213,"classification_code":"POOL_RECORD_CHANGE","confidence":"STRONG_INFERENCE","classifier_version":"1.4.0","classified_at":"2026-10-13T23:53:14+00:00","current":1,"public_explanation":"ARIN's statistics show it reserved on 2021-09-30 and allocated (dated 2021-10-01) on 2021-10-02. ARIN removed its own pool record for this range as part of issuing it: the same report adds 204.137.12.0-204.137.12.255. The issuance is explained on that line."}],"59199ab5a9d81191":[{"raw_change_id":401737,"classification_code":"REMOVED_REASON_UNKNOWN","confidence":"STRONG_INFERENCE","classifier_version":"1.3.0","classified_at":"2026-10-13T05:40:59+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 1994-08-29) on 2020-09-06 and reserved on 2020-09-08. 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 2020-11-06. This does not confirm availability."},{"raw_change_id":401737,"classification_code":"REMOVED_REASON_UNKNOWN","confidence":"STRONG_INFERENCE","classifier_version":"1.3.1","classified_at":"2026-10-13T08:19:00+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 1994-08-29) on 2020-09-06 and reserved on 2020-09-08. 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 2020-11-06. This does not confirm availability."},{"raw_change_id":401737,"classification_code":"REMOVED_REASON_UNKNOWN","confidence":"STRONG_INFERENCE","classifier_version":"1.3.2","classified_at":"2026-10-13T15:02:48+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 1994-08-29) on 2020-09-06 and reserved on 2020-09-08. 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 2020-11-06. This does not confirm availability."},{"raw_change_id":401737,"classification_code":"REMOVED_REASON_UNKNOWN","confidence":"STRONG_INFERENCE","classifier_version":"1.4.0","classified_at":"2026-10-14T00:07:24+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 1994-08-29) on 2020-09-06 and reserved on 2020-09-08. 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 2020-11-06. This does not confirm availability."}]},"arin_statistics_now":{"status":"allocated (dated 2024-04-03)"}}