{"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":"AS15204","resource_type":"asn","page":"https://rirtracker.com/asn/15204/","statistics_now":{"registry":"ARIN","status":"assigned (dated 2024-09-24)"},"current_holder":{"rir":"ARIN","org":null,"how":"ARIN's latest statistics"},"rdap_snapshots":[],"transfers":[],"events":[{"event_id":"57c9717e26ff3a86","registry":"ARIN","report_date":"2024-09-24","source":"arin_issued","raw_action":"ADD","raw_line":"Add AS15204","resource_type":"asn","resource":"AS15204","start":15204,"end":15204,"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":"2026-10-13T23:54:12+00:00","page":"https://rirtracker.com/asn/15204/#e-57c9717e26ff3a86","report_page":"https://rirtracker.com/arin/reports/2024-09-24/","evidence_url":"https://rirtracker.com/api/v1/resources/asn/15204.json","explanation":"No transfer record matches. ARIN's statistics show it reserved on 2024-09-23 and assigned (dated 2024-09-24) on 2024-09-25. The tracker saw this range released from hold on 2024-09-23 (AS15204), so it appears to have been issued again from ARIN's pool. Another change to this range was reported the day before or after (2024-09-23: Remove AS15204), so the before-and-after statistics may include it.","evidence":[{"type":"arin_issued","url":"https://lists.arin.net/pipermail/arin-issued/2024-September/005764.html","retrieved_at":"2026-10-12T18:42:44+00:00","summary":"ARIN-Issued report for 2024-09-24: \"Add AS15204\""},{"type":"delegated_before","url":"https://ftp.arin.net/pub/stats/arin/archive/2024/delegated-arin-extended-20240923.gz","retrieved_at":"2026-10-12T23:47:11+00:00","summary":"ARIN delegated statistics 2024-09-23 (produced 2024-09-23T13:00:53+00:00), before the report: reserved"},{"type":"delegated_after","url":"https://ftp.arin.net/pub/stats/arin/archive/2024/delegated-arin-extended-20240925.gz","retrieved_at":"2026-10-12T23:47:16+00:00","summary":"ARIN delegated statistics 2024-09-25 (produced 2024-09-25T13:00:53+00:00), after the report: assigned (dated 2024-09-24)"}]},{"event_id":"9e938cef3884d0c1","registry":"ARIN","report_date":"2024-09-23","source":"arin_issued","raw_action":"REMOVE","raw_line":"Remove AS15204","resource_type":"asn","resource":"AS15204","start":15204,"end":15204,"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":"Inventory effect unknown","inventory_effect_code":"UNKNOWN","provisional":false,"classifier_version":"1.4.0","classified_at":"2026-10-13T23:54:11+00:00","page":"https://rirtracker.com/asn/15204/#e-9e938cef3884d0c1","report_page":"https://rirtracker.com/arin/reports/2024-09-23/","evidence_url":"https://rirtracker.com/api/v1/resources/asn/15204.json","explanation":"ARIN's statistics show it reserved on 2024-09-22 and assigned (dated 2024-09-24) on 2024-09-24. ARIN removed its own pool record for this range and the range is now registered, but the same report doesn't list it as added. Another change to this range was reported the day before or after (2024-09-24: Add AS15204), so the before-and-after statistics may include it.","evidence":[{"type":"arin_issued","url":"https://lists.arin.net/pipermail/arin-issued/2024-September/005763.html","retrieved_at":"2026-10-12T18:42:44+00:00","summary":"ARIN-Issued report for 2024-09-23: \"Remove AS15204\""},{"type":"delegated_before","url":"https://ftp.arin.net/pub/stats/arin/archive/2024/delegated-arin-extended-20240922.gz","retrieved_at":"2026-10-12T23:47:08+00:00","summary":"ARIN delegated statistics 2024-09-22 (produced 2024-09-22T13:00:54+00:00), before the report: reserved"},{"type":"delegated_after","url":"https://ftp.arin.net/pub/stats/arin/archive/2024/delegated-arin-extended-20240924.gz","retrieved_at":"2026-10-12T23:47:13+00:00","summary":"ARIN delegated statistics 2024-09-24 (produced 2024-09-24T13:00:51+00:00), after the report: assigned (dated 2024-09-24)"}]},{"event_id":"8500825ed4eb80e5","registry":"ARIN","report_date":"2024-01-08","source":"statistics","raw_action":"NOT_IN_ARIN_ISSUED","raw_line":null,"resource_type":"asn","resource":"AS15204","start":15204,"end":15204,"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":"2026-10-14T00:11:28+00:00","page":"https://rirtracker.com/asn/15204/#e-8500825ed4eb80e5","report_page":"https://rirtracker.com/arin/reports/2024-01-08/","evidence_url":"https://rirtracker.com/api/v1/resources/asn/15204.json","observed":"AS15204 assigned on 2024-01-08, reserved on 2024-01-09","hold":{"hold_rule_source_url":"https://www.arin.net/resources/guide/request/#reissuing-returned-revoked-and-reclaimed-resources","hold_rule_months":6,"estimated_hold_end":"2024-07-08","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 assigned (dated 2018-04-16) on 2024-01-07 and reserved on 2024-01-09. Public sources do not distinguish a voluntary return, revocation, or reclamation. ARIN holds returned, revoked and reclaimed ASNs for 6 calendar months before reissuing them, so the estimated hold end is 2024-07-08. This does not confirm availability.","evidence":[{"type":"statistics_diff","url":"https://ftp.arin.net/pub/stats/arin/archive/2024/delegated-arin-extended-20240109.gz","retrieved_at":"2026-10-12T23:33:12+00:00","summary":"Not listed in ARIN-Issued; found by comparing ARIN's daily statistics: AS15204 assigned on 2024-01-08, reserved on 2024-01-09"},{"type":"delegated_before","url":"https://ftp.arin.net/pub/stats/arin/archive/2024/delegated-arin-extended-20240107.gz","retrieved_at":"2026-10-12T23:33:07+00:00","summary":"ARIN delegated statistics 2024-01-07 (produced 2024-01-07T14:00:33+00:00), before the report: assigned (dated 2018-04-16)"},{"type":"delegated_after","url":"https://ftp.arin.net/pub/stats/arin/archive/2024/delegated-arin-extended-20240109.gz","retrieved_at":"2026-10-12T23:33:12+00:00","summary":"ARIN delegated statistics 2024-01-09 (produced 2024-01-09T14:00:42+00:00), after the report: reserved"}]},{"event_id":"1941e36151085a23","registry":"ARIN","report_date":"2018-04-16","source":"arin_issued","raw_action":"ADD","raw_line":"Add AS15204","resource_type":"asn","resource":"AS15204","start":15204,"end":15204,"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":"2026-10-13T23:52:08+00:00","page":"https://rirtracker.com/asn/15204/#e-1941e36151085a23","report_page":"https://rirtracker.com/arin/reports/2018-04-16/","evidence_url":"https://rirtracker.com/api/v1/resources/asn/15204.json","explanation":"No transfer record matches. ARIN's statistics show it available on 2018-04-15 and assigned (dated 2018-04-16) on 2018-04-17. The tracker saw this range released from hold on 2018-04-13 (AS15204), so it appears to have been issued again from ARIN's pool.","evidence":[{"type":"arin_issued","url":"https://lists.arin.net/pipermail/arin-issued/2018-April/003414.html","retrieved_at":"2026-10-12T18:40:01+00:00","summary":"ARIN-Issued report for 2018-04-16: \"Add AS15204\""},{"type":"delegated_before","url":"https://ftp.arin.net/pub/stats/arin/archive/2018/delegated-arin-extended-20180415.gz","retrieved_at":"2026-10-12T21:44:48+00:00","summary":"ARIN delegated statistics 2018-04-15 (produced 2018-04-15T05:10:04+00:00), before the report: available"},{"type":"delegated_after","url":"https://ftp.arin.net/pub/stats/arin/archive/2018/delegated-arin-extended-20180417.gz","retrieved_at":"2026-10-12T21:44:53+00:00","summary":"ARIN delegated statistics 2018-04-17 (produced 2018-04-17T05:10:48+00:00), after the report: assigned (dated 2018-04-16)"}]},{"event_id":"9a3cd3f7bda690d0","registry":"ARIN","report_date":"2018-04-13","source":"arin_issued","raw_action":"REMOVE","raw_line":"Remove AS15204","resource_type":"asn","resource":"AS15204","start":15204,"end":15204,"classification":"HOLD_RELEASED","classification_label":"Released from hold (ARIN lists it as 'available')","confidence":"STRONG_INFERENCE","source_rir":null,"recipient_rir":null,"source_organization":null,"recipient_organization":null,"inventory_effect":"ARIN's statistics now list it as 'available'; reissue not confirmed","inventory_effect_code":"RELEASED","provisional":false,"classifier_version":"1.4.0","classified_at":"2026-10-13T23:52:08+00:00","page":"https://rirtracker.com/asn/15204/#e-9a3cd3f7bda690d0","report_page":"https://rirtracker.com/arin/reports/2018-04-13/","evidence_url":"https://rirtracker.com/api/v1/resources/asn/15204.json","explanation":"ARIN's statistics show it reserved on 2018-04-12 and available on 2018-04-14. ARIN took it out of its reserved (held) records; its statistics now give it the status 'available'. The tracker saw it removed from registration on 2017-10-16, 179 days earlier. That is ARIN's own label: whether and when it is reissued is not confirmed.","evidence":[{"type":"arin_issued","url":"https://lists.arin.net/pipermail/arin-issued/2018-April/003411.html","retrieved_at":"2026-10-12T18:40:01+00:00","summary":"ARIN-Issued report for 2018-04-13: \"Remove AS15204\""},{"type":"delegated_before","url":"https://ftp.arin.net/pub/stats/arin/archive/2018/delegated-arin-extended-20180412.gz","retrieved_at":"2026-10-12T21:44:32+00:00","summary":"ARIN delegated statistics 2018-04-12 (produced 2018-04-12T05:09:29+00:00), before the report: reserved"},{"type":"delegated_after","url":"https://ftp.arin.net/pub/stats/arin/archive/2018/delegated-arin-extended-20180414.gz","retrieved_at":"2026-10-12T21:44:46+00:00","summary":"ARIN delegated statistics 2018-04-14 (produced 2018-04-14T05:08:56+00:00), after the report: available"}]},{"event_id":"8ec3d4f96c8c3d34","registry":"ARIN","report_date":"2017-10-16","source":"statistics","raw_action":"NOT_IN_ARIN_ISSUED","raw_line":null,"resource_type":"asn","resource":"AS15204","start":15204,"end":15204,"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":"2026-10-14T00:03:33+00:00","page":"https://rirtracker.com/asn/15204/#e-8ec3d4f96c8c3d34","report_page":"https://rirtracker.com/arin/reports/2017-10-16/","evidence_url":"https://rirtracker.com/api/v1/resources/asn/15204.json","observed":"AS15204 assigned on 2017-10-16, reserved on 2017-10-17","hold":{"hold_rule_source_url":"https://www.arin.net/resources/guide/request/#reissuing-returned-revoked-and-reclaimed-resources","hold_rule_months":6,"estimated_hold_end":"2018-04-16","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 2012-11-30) on 2017-10-15 and reserved on 2017-10-17. Public sources do not distinguish a voluntary return, revocation, or reclamation. ARIN holds returned, revoked and reclaimed ASNs for 6 calendar months before reissuing them, so the estimated hold end is 2018-04-16. This does not confirm availability.","evidence":[{"type":"statistics_diff","url":"https://ftp.arin.net/pub/stats/arin/archive/2017/delegated-arin-extended-20171017.gz","retrieved_at":"2026-10-12T21:36:00+00:00","summary":"Not listed in ARIN-Issued; found by comparing ARIN's daily statistics: AS15204 assigned on 2017-10-16, reserved on 2017-10-17"},{"type":"delegated_before","url":"https://ftp.arin.net/pub/stats/arin/archive/2017/delegated-arin-extended-20171015.gz","retrieved_at":"2026-10-12T21:35:55+00:00","summary":"ARIN delegated statistics 2017-10-15 (produced 2017-10-15T05:10:56+00:00), before the report: assigned (dated 2012-11-30)"},{"type":"delegated_after","url":"https://ftp.arin.net/pub/stats/arin/archive/2017/delegated-arin-extended-20171017.gz","retrieved_at":"2026-10-12T21:36:00+00:00","summary":"ARIN delegated statistics 2017-10-17 (produced 2017-10-17T05:10:58+00:00), after the report: reserved"}]},{"event_id":"2cf9a468e91f5315","registry":"ARIN","report_date":"2012-07-30","source":"statistics","raw_action":"NOT_IN_ARIN_ISSUED","raw_line":null,"resource_type":"asn","resource":"AS15204","start":15204,"end":15204,"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":"2026-10-13T23:57:36+00:00","page":"https://rirtracker.com/asn/15204/#e-2cf9a468e91f5315","report_page":"https://rirtracker.com/arin/reports/2012-07-30/","evidence_url":"https://rirtracker.com/api/v1/resources/asn/15204.json","observed":"AS15204 allocated on 2012-07-30, not listed on 2012-07-31","hold":{"hold_rule_source_url":"https://www.arin.net/resources/guide/request/#reissuing-returned-revoked-and-reclaimed-resources","hold_rule_months":6,"estimated_hold_end":"2013-01-30","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 2008-12-10) on 2012-07-29 and not issued on 2012-07-31. (Until 2013-03-05, ARIN's statistics list only what's issued.) Public sources do not distinguish a voluntary return, revocation, or reclamation. ARIN holds returned, revoked and reclaimed ASNs for 6 calendar months before reissuing them, so the estimated hold end is 2013-01-30. This does not confirm availability.","evidence":[{"type":"statistics_diff","url":"https://ftp.arin.net/pub/stats/arin/archive/2012/delegated-arin-20120731.gz","retrieved_at":"2026-10-12T19:46:36+00:00","summary":"Not listed in ARIN-Issued; found by comparing ARIN's daily statistics: AS15204 allocated on 2012-07-30, not listed on 2012-07-31"},{"type":"delegated_before","url":"https://ftp.arin.net/pub/stats/arin/archive/2012/delegated-arin-20120729.gz","retrieved_at":"2026-10-12T19:46:31+00:00","summary":"ARIN delegated statistics 2012-07-29, before the report: allocated (dated 2008-12-10)"},{"type":"delegated_after","url":"https://ftp.arin.net/pub/stats/arin/archive/2012/delegated-arin-20120731.gz","retrieved_at":"2026-10-12T19:46:36+00:00","summary":"ARIN delegated statistics 2012-07-31, after the report: not issued"}]}],"classification_history":{"57c9717e26ff3a86":[{"raw_change_id":189332,"classification_code":"APPARENT_REISSUANCE","confidence":"OBSERVED_ONLY","classifier_version":"1.3.0","classified_at":"2026-10-13T04:03:22+00:00","current":0,"public_explanation":"No transfer record matches. ARIN's statistics show it reserved on 2024-09-23 and assigned (dated 2024-09-24) on 2024-09-25. The tracker saw this range released from hold on 2024-09-23 (AS15204), so it appears to have been issued again from ARIN's pool. Another change to this range was reported the day before or after (2024-09-23: Remove AS15204), so the before-and-after statistics may include it."},{"raw_change_id":189332,"classification_code":"APPARENT_REISSUANCE","confidence":"OBSERVED_ONLY","classifier_version":"1.3.1","classified_at":"2026-10-13T08:07:49+00:00","current":0,"public_explanation":"No transfer record matches. ARIN's statistics show it reserved on 2024-09-23 and assigned (dated 2024-09-24) on 2024-09-25. The tracker saw this range released from hold on 2024-09-23 (AS15204), so it appears to have been issued again from ARIN's pool. Another change to this range was reported the day before or after (2024-09-23: Remove AS15204), so the before-and-after statistics may include it."},{"raw_change_id":189332,"classification_code":"APPARENT_REISSUANCE","confidence":"OBSERVED_ONLY","classifier_version":"1.3.2","classified_at":"2026-10-13T14:50:41+00:00","current":0,"public_explanation":"No transfer record matches. ARIN's statistics show it reserved on 2024-09-23 and assigned (dated 2024-09-24) on 2024-09-25. The tracker saw this range released from hold on 2024-09-23 (AS15204), so it appears to have been issued again from ARIN's pool. Another change to this range was reported the day before or after (2024-09-23: Remove AS15204), so the before-and-after statistics may include it."},{"raw_change_id":189332,"classification_code":"APPARENT_REISSUANCE","confidence":"OBSERVED_ONLY","classifier_version":"1.4.0","classified_at":"2026-10-13T23:54:12+00:00","current":1,"public_explanation":"No transfer record matches. ARIN's statistics show it reserved on 2024-09-23 and assigned (dated 2024-09-24) on 2024-09-25. The tracker saw this range released from hold on 2024-09-23 (AS15204), so it appears to have been issued again from ARIN's pool. Another change to this range was reported the day before or after (2024-09-23: Remove AS15204), so the before-and-after statistics may include it."}],"9e938cef3884d0c1":[{"raw_change_id":189308,"classification_code":"POOL_RECORD_CHANGE","confidence":"OBSERVED_ONLY","classifier_version":"1.3.0","classified_at":"2026-10-13T04:03:22+00:00","current":0,"public_explanation":"ARIN's statistics show it reserved on 2024-09-22 and assigned (dated 2024-09-24) on 2024-09-24. ARIN removed its own pool record for this range and the range is now registered, but the same report doesn't list it as added. Another change to this range was reported the day before or after (2024-09-24: Add AS15204), so the before-and-after statistics may include it."},{"raw_change_id":189308,"classification_code":"POOL_RECORD_CHANGE","confidence":"OBSERVED_ONLY","classifier_version":"1.3.1","classified_at":"2026-10-13T08:07:48+00:00","current":0,"public_explanation":"ARIN's statistics show it reserved on 2024-09-22 and assigned (dated 2024-09-24) on 2024-09-24. ARIN removed its own pool record for this range and the range is now registered, but the same report doesn't list it as added. Another change to this range was reported the day before or after (2024-09-24: Add AS15204), so the before-and-after statistics may include it."},{"raw_change_id":189308,"classification_code":"POOL_RECORD_CHANGE","confidence":"OBSERVED_ONLY","classifier_version":"1.3.2","classified_at":"2026-10-13T14:50:41+00:00","current":0,"public_explanation":"ARIN's statistics show it reserved on 2024-09-22 and assigned (dated 2024-09-24) on 2024-09-24. ARIN removed its own pool record for this range and the range is now registered, but the same report doesn't list it as added. Another change to this range was reported the day before or after (2024-09-24: Add AS15204), so the before-and-after statistics may include it."},{"raw_change_id":189308,"classification_code":"POOL_RECORD_CHANGE","confidence":"OBSERVED_ONLY","classifier_version":"1.4.0","classified_at":"2026-10-13T23:54:11+00:00","current":1,"public_explanation":"ARIN's statistics show it reserved on 2024-09-22 and assigned (dated 2024-09-24) on 2024-09-24. ARIN removed its own pool record for this range and the range is now registered, but the same report doesn't list it as added. Another change to this range was reported the day before or after (2024-09-24: Add AS15204), so the before-and-after statistics may include it."}],"8500825ed4eb80e5":[{"raw_change_id":459063,"classification_code":"REMOVED_REASON_UNKNOWN","confidence":"STRONG_INFERENCE","classifier_version":"1.3.0","classified_at":"2026-10-13T06:05:14+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 2018-04-16) on 2024-01-07 and reserved on 2024-01-09. Public sources do not distinguish a voluntary return, revocation, or reclamation. ARIN holds returned, revoked and reclaimed ASNs for 6 calendar months before reissuing them, so the earliest estimated hold expiration is 2024-07-08. This does not confirm availability."},{"raw_change_id":459063,"classification_code":"REMOVED_REASON_UNKNOWN","confidence":"STRONG_INFERENCE","classifier_version":"1.3.1","classified_at":"2026-10-13T08:22:21+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 assigned (dated 2018-04-16) on 2024-01-07 and reserved on 2024-01-09. Public sources do not distinguish a voluntary return, revocation, or reclamation. ARIN holds returned, revoked and reclaimed ASNs for 6 calendar months before reissuing them, so the earliest estimated hold expiration is 2024-07-08. This does not confirm availability."},{"raw_change_id":459063,"classification_code":"REMOVED_REASON_UNKNOWN","confidence":"STRONG_INFERENCE","classifier_version":"1.3.2","classified_at":"2026-10-13T15:06:24+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 2018-04-16) on 2024-01-07 and reserved on 2024-01-09. Public sources do not distinguish a voluntary return, revocation, or reclamation. ARIN holds returned, revoked and reclaimed ASNs for 6 calendar months before reissuing them, so the earliest estimated hold expiration is 2024-07-08. This does not confirm availability."},{"raw_change_id":459063,"classification_code":"REMOVED_REASON_UNKNOWN","confidence":"STRONG_INFERENCE","classifier_version":"1.4.0","classified_at":"2026-10-14T00:11:28+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 2018-04-16) on 2024-01-07 and reserved on 2024-01-09. Public sources do not distinguish a voluntary return, revocation, or reclamation. ARIN holds returned, revoked and reclaimed ASNs for 6 calendar months before reissuing them, so the estimated hold end is 2024-07-08. This does not confirm availability."}],"1941e36151085a23":[{"raw_change_id":154158,"classification_code":"APPARENT_REISSUANCE","confidence":"STRONG_INFERENCE","classifier_version":"1.3.0","classified_at":"2026-10-13T03:41:01+00:00","current":0,"public_explanation":"No transfer record matches. ARIN's statistics show it available on 2018-04-15 and assigned (dated 2018-04-16) on 2018-04-17. The tracker saw this range released from hold on 2018-04-13 (AS15204), so it appears to have been issued again from ARIN's pool."},{"raw_change_id":154158,"classification_code":"APPARENT_REISSUANCE","confidence":"STRONG_INFERENCE","classifier_version":"1.3.1","classified_at":"2026-10-13T08:06:16+00:00","current":0,"public_explanation":"No transfer record matches. ARIN's statistics show it available on 2018-04-15 and assigned (dated 2018-04-16) on 2018-04-17. The tracker saw this range released from hold on 2018-04-13 (AS15204), so it appears to have been issued again from ARIN's pool."},{"raw_change_id":154158,"classification_code":"APPARENT_REISSUANCE","confidence":"STRONG_INFERENCE","classifier_version":"1.3.2","classified_at":"2026-10-13T14:48:57+00:00","current":0,"public_explanation":"No transfer record matches. ARIN's statistics show it available on 2018-04-15 and assigned (dated 2018-04-16) on 2018-04-17. The tracker saw this range released from hold on 2018-04-13 (AS15204), so it appears to have been issued again from ARIN's pool."},{"raw_change_id":154158,"classification_code":"APPARENT_REISSUANCE","confidence":"STRONG_INFERENCE","classifier_version":"1.4.0","classified_at":"2026-10-13T23:52:08+00:00","current":1,"public_explanation":"No transfer record matches. ARIN's statistics show it available on 2018-04-15 and assigned (dated 2018-04-16) on 2018-04-17. The tracker saw this range released from hold on 2018-04-13 (AS15204), so it appears to have been issued again from ARIN's pool."}],"9a3cd3f7bda690d0":[{"raw_change_id":154128,"classification_code":"HOLD_RELEASED","confidence":"STRONG_INFERENCE","classifier_version":"1.3.0","classified_at":"2026-10-13T03:41:00+00:00","current":0,"public_explanation":"ARIN's statistics show it reserved on 2018-04-12 and available on 2018-04-14. ARIN took it out of its reserved (held) records; its statistics now give it the status 'available'. The tracker saw it removed from registration on 2017-10-16, 179 days earlier. That is ARIN's own label: whether and when it is reissued is not confirmed."},{"raw_change_id":154128,"classification_code":"HOLD_RELEASED","confidence":"STRONG_INFERENCE","classifier_version":"1.3.1","classified_at":"2026-10-13T08:06:16+00:00","current":0,"public_explanation":"ARIN's statistics show it reserved on 2018-04-12 and available on 2018-04-14. ARIN took it out of its reserved (held) records; its statistics now give it the status 'available'. The tracker saw it removed from registration on 2017-10-16, 179 days earlier. That is ARIN's own label: whether and when it is reissued is not confirmed."},{"raw_change_id":154128,"classification_code":"HOLD_RELEASED","confidence":"STRONG_INFERENCE","classifier_version":"1.3.2","classified_at":"2026-10-13T14:48:57+00:00","current":0,"public_explanation":"ARIN's statistics show it reserved on 2018-04-12 and available on 2018-04-14. ARIN took it out of its reserved (held) records; its statistics now give it the status 'available'. The tracker saw it removed from registration on 2017-10-16, 179 days earlier. That is ARIN's own label: whether and when it is reissued is not confirmed."},{"raw_change_id":154128,"classification_code":"HOLD_RELEASED","confidence":"STRONG_INFERENCE","classifier_version":"1.4.0","classified_at":"2026-10-13T23:52:08+00:00","current":1,"public_explanation":"ARIN's statistics show it reserved on 2018-04-12 and available on 2018-04-14. ARIN took it out of its reserved (held) records; its statistics now give it the status 'available'. The tracker saw it removed from registration on 2017-10-16, 179 days earlier. That is ARIN's own label: whether and when it is reissued is not confirmed."}],"8ec3d4f96c8c3d34":[{"raw_change_id":342547,"classification_code":"REMOVED_REASON_UNKNOWN","confidence":"STRONG_INFERENCE","classifier_version":"1.3.0","classified_at":"2026-10-13T05:15:57+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 2012-11-30) on 2017-10-15 and reserved on 2017-10-17. Public sources do not distinguish a voluntary return, revocation, or reclamation. ARIN holds returned, revoked and reclaimed ASNs for 6 calendar months before reissuing them, so the earliest estimated hold expiration is 2018-04-16. This does not confirm availability."},{"raw_change_id":342547,"classification_code":"REMOVED_REASON_UNKNOWN","confidence":"STRONG_INFERENCE","classifier_version":"1.3.1","classified_at":"2026-10-13T08:15:50+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 2012-11-30) on 2017-10-15 and reserved on 2017-10-17. Public sources do not distinguish a voluntary return, revocation, or reclamation. ARIN holds returned, revoked and reclaimed ASNs for 6 calendar months before reissuing them, so the earliest estimated hold expiration is 2018-04-16. This does not confirm availability."},{"raw_change_id":342547,"classification_code":"REMOVED_REASON_UNKNOWN","confidence":"STRONG_INFERENCE","classifier_version":"1.3.2","classified_at":"2026-10-13T14:59:23+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 2012-11-30) on 2017-10-15 and reserved on 2017-10-17. Public sources do not distinguish a voluntary return, revocation, or reclamation. ARIN holds returned, revoked and reclaimed ASNs for 6 calendar months before reissuing them, so the earliest estimated hold expiration is 2018-04-16. This does not confirm availability."},{"raw_change_id":342547,"classification_code":"REMOVED_REASON_UNKNOWN","confidence":"STRONG_INFERENCE","classifier_version":"1.4.0","classified_at":"2026-10-14T00:03:33+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 2012-11-30) on 2017-10-15 and reserved on 2017-10-17. Public sources do not distinguish a voluntary return, revocation, or reclamation. ARIN holds returned, revoked and reclaimed ASNs for 6 calendar months before reissuing them, so the estimated hold end is 2018-04-16. This does not confirm availability."}],"2cf9a468e91f5315":[{"raw_change_id":249132,"classification_code":"REMOVED_REASON_UNKNOWN","confidence":"STRONG_INFERENCE","classifier_version":"1.3.0","classified_at":"2026-10-13T04:30:25+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 2008-12-10) on 2012-07-29 and not issued on 2012-07-31. (Until 2013-03-05, ARIN's statistics list only what's issued.) Public sources do not distinguish a voluntary return, revocation, or reclamation. ARIN holds returned, revoked and reclaimed ASNs for 6 calendar months before reissuing them, so the earliest estimated hold expiration is 2013-01-30. This does not confirm availability."},{"raw_change_id":249132,"classification_code":"REMOVED_REASON_UNKNOWN","confidence":"STRONG_INFERENCE","classifier_version":"1.3.1","classified_at":"2026-10-13T08:10:42+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 2008-12-10) on 2012-07-29 and not issued on 2012-07-31. (Until 2013-03-05, ARIN's statistics list only what's issued.) Public sources do not distinguish a voluntary return, revocation, or reclamation. ARIN holds returned, revoked and reclaimed ASNs for 6 calendar months before reissuing them, so the earliest estimated hold expiration is 2013-01-30. This does not confirm availability."},{"raw_change_id":249132,"classification_code":"REMOVED_REASON_UNKNOWN","confidence":"STRONG_INFERENCE","classifier_version":"1.3.2","classified_at":"2026-10-13T14:53:52+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 2008-12-10) on 2012-07-29 and not issued on 2012-07-31. (Until 2013-03-05, ARIN's statistics list only what's issued.) Public sources do not distinguish a voluntary return, revocation, or reclamation. ARIN holds returned, revoked and reclaimed ASNs for 6 calendar months before reissuing them, so the earliest estimated hold expiration is 2013-01-30. This does not confirm availability."},{"raw_change_id":249132,"classification_code":"REMOVED_REASON_UNKNOWN","confidence":"STRONG_INFERENCE","classifier_version":"1.4.0","classified_at":"2026-10-13T23:57:36+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 2008-12-10) on 2012-07-29 and not issued on 2012-07-31. (Until 2013-03-05, ARIN's statistics list only what's issued.) Public sources do not distinguish a voluntary return, revocation, or reclamation. ARIN holds returned, revoked and reclaimed ASNs for 6 calendar months before reissuing them, so the estimated hold end is 2013-01-30. This does not confirm availability."}]},"arin_statistics_now":{"status":"assigned (dated 2024-09-24)"}}