{"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":"AS15181","resource_type":"asn","page":"https://rirtracker.com/asn/15181/","statistics_now":{"registry":"ARIN","status":"reserved"},"current_holder":{"rir":"ARIN","org":null,"how":"ARIN's latest statistics"},"rdap_snapshots":[],"transfers":[],"events":[{"event_id":"d64ca8ac1a9e9244","registry":"ARIN","report_date":"2025-08-11","source":"statistics","raw_action":"NOT_IN_ARIN_ISSUED","raw_line":null,"resource_type":"asn","resource":"AS15181","start":15181,"end":15181,"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":"2026-10-14T00:13:33+00:00","page":"https://rirtracker.com/asn/15181/#e-d64ca8ac1a9e9244","report_page":"https://rirtracker.com/arin/reports/2025-08-11/","evidence_url":"https://rirtracker.com/api/v1/resources/asn/15181.json","observed":"AS15181 assigned on 2025-08-11, reserved on 2025-08-12","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":"2026-02-11","availability_statement":"Possible reissue candidate after this date; not confirmed available","released_sooner_since":"2024-07-01"},"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 2023-03-28) on 2025-08-10 and reserved on 2025-08-12. 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 2026-02-11. This does not confirm availability. Since mid-2024, ARIN has released many ASNs within two months, before the 6 calendar months were up, so the release can come sooner.","evidence":[{"type":"statistics_diff","url":"https://ftp.arin.net/pub/stats/arin/archive/2025/delegated-arin-extended-20250812.gz","retrieved_at":"2026-10-13T00:04:54+00:00","summary":"Not listed in ARIN-Issued; found by comparing ARIN's daily statistics: AS15181 assigned on 2025-08-11, reserved on 2025-08-12"},{"type":"delegated_before","url":"https://ftp.arin.net/pub/stats/arin/archive/2025/delegated-arin-extended-20250810.gz","retrieved_at":"2026-10-13T00:04:49+00:00","summary":"ARIN delegated statistics 2025-08-10 (produced 2025-08-10T13:00:50+00:00), before the report: assigned (dated 2023-03-28)"},{"type":"delegated_after","url":"https://ftp.arin.net/pub/stats/arin/archive/2025/delegated-arin-extended-20250812.gz","retrieved_at":"2026-10-13T00:04:54+00:00","summary":"ARIN delegated statistics 2025-08-12 (produced 2025-08-12T13:00:52+00:00), after the report: reserved"}]},{"event_id":"f0af0953acea804e","registry":"ARIN","report_date":"2023-03-28","source":"arin_issued","raw_action":"ADD","raw_line":"Add AS15181","resource_type":"asn","resource":"AS15181","start":15181,"end":15181,"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":"2026-10-13T23:53:39+00:00","page":"https://rirtracker.com/asn/15181/#e-f0af0953acea804e","report_page":"https://rirtracker.com/arin/reports/2023-03-28/","evidence_url":"https://rirtracker.com/api/v1/resources/asn/15181.json","explanation":"No transfer record matches. ARIN's statistics show it reserved on 2023-03-27 and assigned (dated 2023-03-28) on 2023-03-29. The tracker saw this range released from hold on 2023-03-27 (AS15181), so it appears to have been issued again from ARIN's pool. Another change to this range was reported the day before or after (2023-03-27: Remove AS15181), so the before-and-after statistics may include it.","evidence":[{"type":"arin_issued","url":"https://lists.arin.net/pipermail/arin-issued/2023-March/005219.html","retrieved_at":"2026-10-12T18:42:06+00:00","summary":"ARIN-Issued report for 2023-03-28: \"Add AS15181\""},{"type":"delegated_before","url":"https://ftp.arin.net/pub/stats/arin/archive/2023/delegated-arin-extended-20230327.gz","retrieved_at":"2026-10-12T23:18:05+00:00","summary":"ARIN delegated statistics 2023-03-27 (produced 2023-03-27T13:00:11+00:00), before the report: reserved"},{"type":"delegated_after","url":"https://ftp.arin.net/pub/stats/arin/archive/2023/delegated-arin-extended-20230329.gz","retrieved_at":"2026-10-12T23:18:10+00:00","summary":"ARIN delegated statistics 2023-03-29 (produced 2023-03-29T13:00:11+00:00), after the report: assigned (dated 2023-03-28)"}]},{"event_id":"c8c246faa0f5bef7","registry":"ARIN","report_date":"2023-03-27","source":"arin_issued","raw_action":"REMOVE","raw_line":"Remove AS15181","resource_type":"asn","resource":"AS15181","start":15181,"end":15181,"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":"2026-10-13T23:53:39+00:00","page":"https://rirtracker.com/asn/15181/#e-c8c246faa0f5bef7","report_page":"https://rirtracker.com/arin/reports/2023-03-27/","evidence_url":"https://rirtracker.com/api/v1/resources/asn/15181.json","explanation":"ARIN's statistics show it reserved on 2023-03-26 and assigned (dated 2023-03-28) on 2023-03-28. 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 (2023-03-28: Add AS15181), so the before-and-after statistics may include it.","evidence":[{"type":"arin_issued","url":"https://lists.arin.net/pipermail/arin-issued/2023-March/005218.html","retrieved_at":"2026-10-12T18:42:06+00:00","summary":"ARIN-Issued report for 2023-03-27: \"Remove AS15181\""},{"type":"delegated_before","url":"https://ftp.arin.net/pub/stats/arin/archive/2023/delegated-arin-extended-20230326.gz","retrieved_at":"2026-10-12T23:18:03+00:00","summary":"ARIN delegated statistics 2023-03-26 (produced 2023-03-26T13:00:10+00:00), before the report: reserved"},{"type":"delegated_after","url":"https://ftp.arin.net/pub/stats/arin/archive/2023/delegated-arin-extended-20230328.gz","retrieved_at":"2026-10-12T23:18:07+00:00","summary":"ARIN delegated statistics 2023-03-28 (produced 2023-03-28T13:00:10+00:00), after the report: assigned (dated 2023-03-28)"}]},{"event_id":"a8210d417fb77e7e","registry":"ARIN","report_date":"2021-03-08","source":"statistics","raw_action":"NOT_IN_ARIN_ISSUED","raw_line":null,"resource_type":"asn","resource":"AS15181","start":15181,"end":15181,"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":"2026-10-14T00:07:59+00:00","page":"https://rirtracker.com/asn/15181/#e-a8210d417fb77e7e","report_page":"https://rirtracker.com/arin/reports/2021-03-08/","evidence_url":"https://rirtracker.com/api/v1/resources/asn/15181.json","observed":"AS15181 assigned on 2021-03-08, reserved on 2021-03-09","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":"2021-09-08","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 2006-10-27) on 2021-03-07 and reserved on 2021-03-09. 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 2021-09-08. This does not confirm availability.","evidence":[{"type":"statistics_diff","url":"https://ftp.arin.net/pub/stats/arin/archive/2021/delegated-arin-extended-20210309.gz","retrieved_at":"2026-10-12T22:39:20+00:00","summary":"Not listed in ARIN-Issued; found by comparing ARIN's daily statistics: AS15181 assigned on 2021-03-08, reserved on 2021-03-09"},{"type":"delegated_before","url":"https://ftp.arin.net/pub/stats/arin/archive/2021/delegated-arin-extended-20210307.gz","retrieved_at":"2026-10-12T22:39:15+00:00","summary":"ARIN delegated statistics 2021-03-07 (produced 2021-03-07T15:00:12+00:00), before the report: assigned (dated 2006-10-27)"},{"type":"delegated_after","url":"https://ftp.arin.net/pub/stats/arin/archive/2021/delegated-arin-extended-20210309.gz","retrieved_at":"2026-10-12T22:39:20+00:00","summary":"ARIN delegated statistics 2021-03-09 (produced 2021-03-09T15:00:12+00:00), after the report: reserved"}]},{"event_id":"14afb1267590be25","registry":"ARIN","report_date":"2020-03-09","source":"statistics","raw_action":"NOT_IN_ARIN_ISSUED","raw_line":null,"resource_type":"asn","resource":"AS15181","start":15181,"end":15181,"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":"2026-10-14T00:06:39+00:00","page":"https://rirtracker.com/asn/15181/#e-14afb1267590be25","report_page":"https://rirtracker.com/arin/reports/2020-03-09/","evidence_url":"https://rirtracker.com/api/v1/resources/asn/15181.json","observed":"AS15181 assigned on 2020-03-09, reserved on 2020-03-10","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":"2020-09-09","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 2006-10-27) on 2020-03-08 and reserved on 2020-03-10. 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 2020-09-09. This does not confirm availability.","evidence":[{"type":"statistics_diff","url":"https://ftp.arin.net/pub/stats/arin/archive/2020/delegated-arin-extended-20200310.gz","retrieved_at":"2026-10-12T22:20:26+00:00","summary":"Not listed in ARIN-Issued; found by comparing ARIN's daily statistics: AS15181 assigned on 2020-03-09, reserved on 2020-03-10"},{"type":"delegated_before","url":"https://ftp.arin.net/pub/stats/arin/archive/2020/delegated-arin-extended-20200308.gz","retrieved_at":"2026-10-12T22:20:21+00:00","summary":"ARIN delegated statistics 2020-03-08 (produced 2020-03-08T14:00:12+00:00), before the report: assigned (dated 2006-10-27)"},{"type":"delegated_after","url":"https://ftp.arin.net/pub/stats/arin/archive/2020/delegated-arin-extended-20200310.gz","retrieved_at":"2026-10-12T22:20:26+00:00","summary":"ARIN delegated statistics 2020-03-10 (produced 2020-03-10T14:00:13+00:00), after the report: reserved"}]}],"classification_history":{"d64ca8ac1a9e9244":[{"raw_change_id":484248,"classification_code":"REMOVED_REASON_UNKNOWN","confidence":"STRONG_INFERENCE","classifier_version":"1.3.0","classified_at":"2026-10-13T06:16:59+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 2023-03-28) on 2025-08-10 and reserved on 2025-08-12. 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 2026-02-11. This does not confirm availability."},{"raw_change_id":484248,"classification_code":"REMOVED_REASON_UNKNOWN","confidence":"STRONG_INFERENCE","classifier_version":"1.3.1","classified_at":"2026-10-13T08:23:57+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 2023-03-28) on 2025-08-10 and reserved on 2025-08-12. 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 2026-02-11. This does not confirm availability."},{"raw_change_id":484248,"classification_code":"REMOVED_REASON_UNKNOWN","confidence":"STRONG_INFERENCE","classifier_version":"1.3.2","classified_at":"2026-10-13T15:08:07+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 2023-03-28) on 2025-08-10 and reserved on 2025-08-12. 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 2026-02-11. This does not confirm availability."},{"raw_change_id":484248,"classification_code":"REMOVED_REASON_UNKNOWN","confidence":"STRONG_INFERENCE","classifier_version":"1.4.0","classified_at":"2026-10-14T00:13:33+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 2023-03-28) on 2025-08-10 and reserved on 2025-08-12. 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 2026-02-11. This does not confirm availability. Since mid-2024, ARIN has released many ASNs within two months, before the 6 calendar months were up, so the release can come sooner."}],"f0af0953acea804e":[{"raw_change_id":180697,"classification_code":"APPARENT_REISSUANCE","confidence":"OBSERVED_ONLY","classifier_version":"1.3.0","classified_at":"2026-10-13T03:58:14+00:00","current":0,"public_explanation":"No transfer record matches. ARIN's statistics show it reserved on 2023-03-27 and assigned (dated 2023-03-28) on 2023-03-29. The tracker saw this range released from hold on 2023-03-27 (AS15181), so it appears to have been issued again from ARIN's pool. Another change to this range was reported the day before or after (2023-03-27: Remove AS15181), so the before-and-after statistics may include it."},{"raw_change_id":180697,"classification_code":"APPARENT_REISSUANCE","confidence":"OBSERVED_ONLY","classifier_version":"1.3.1","classified_at":"2026-10-13T08:07:25+00:00","current":0,"public_explanation":"No transfer record matches. ARIN's statistics show it reserved on 2023-03-27 and assigned (dated 2023-03-28) on 2023-03-29. The tracker saw this range released from hold on 2023-03-27 (AS15181), so it appears to have been issued again from ARIN's pool. Another change to this range was reported the day before or after (2023-03-27: Remove AS15181), so the before-and-after statistics may include it."},{"raw_change_id":180697,"classification_code":"APPARENT_REISSUANCE","confidence":"OBSERVED_ONLY","classifier_version":"1.3.2","classified_at":"2026-10-13T14:50:14+00:00","current":0,"public_explanation":"No transfer record matches. ARIN's statistics show it reserved on 2023-03-27 and assigned (dated 2023-03-28) on 2023-03-29. The tracker saw this range released from hold on 2023-03-27 (AS15181), so it appears to have been issued again from ARIN's pool. Another change to this range was reported the day before or after (2023-03-27: Remove AS15181), so the before-and-after statistics may include it."},{"raw_change_id":180697,"classification_code":"APPARENT_REISSUANCE","confidence":"OBSERVED_ONLY","classifier_version":"1.4.0","classified_at":"2026-10-13T23:53:39+00:00","current":1,"public_explanation":"No transfer record matches. ARIN's statistics show it reserved on 2023-03-27 and assigned (dated 2023-03-28) on 2023-03-29. The tracker saw this range released from hold on 2023-03-27 (AS15181), so it appears to have been issued again from ARIN's pool. Another change to this range was reported the day before or after (2023-03-27: Remove AS15181), so the before-and-after statistics may include it."}],"c8c246faa0f5bef7":[{"raw_change_id":180672,"classification_code":"POOL_RECORD_CHANGE","confidence":"OBSERVED_ONLY","classifier_version":"1.3.0","classified_at":"2026-10-13T03:58:13+00:00","current":0,"public_explanation":"ARIN's statistics show it reserved on 2023-03-26 and assigned (dated 2023-03-28) on 2023-03-28. 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 (2023-03-28: Add AS15181), so the before-and-after statistics may include it."},{"raw_change_id":180672,"classification_code":"POOL_RECORD_CHANGE","confidence":"OBSERVED_ONLY","classifier_version":"1.3.1","classified_at":"2026-10-13T08:07:24+00:00","current":0,"public_explanation":"ARIN's statistics show it reserved on 2023-03-26 and assigned (dated 2023-03-28) on 2023-03-28. 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 (2023-03-28: Add AS15181), so the before-and-after statistics may include it."},{"raw_change_id":180672,"classification_code":"POOL_RECORD_CHANGE","confidence":"OBSERVED_ONLY","classifier_version":"1.3.2","classified_at":"2026-10-13T14:50:14+00:00","current":0,"public_explanation":"ARIN's statistics show it reserved on 2023-03-26 and assigned (dated 2023-03-28) on 2023-03-28. 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 (2023-03-28: Add AS15181), so the before-and-after statistics may include it."},{"raw_change_id":180672,"classification_code":"POOL_RECORD_CHANGE","confidence":"OBSERVED_ONLY","classifier_version":"1.4.0","classified_at":"2026-10-13T23:53:39+00:00","current":1,"public_explanation":"ARIN's statistics show it reserved on 2023-03-26 and assigned (dated 2023-03-28) on 2023-03-28. 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 (2023-03-28: Add AS15181), so the before-and-after statistics may include it."}],"a8210d417fb77e7e":[{"raw_change_id":409652,"classification_code":"REMOVED_REASON_UNKNOWN","confidence":"STRONG_INFERENCE","classifier_version":"1.3.0","classified_at":"2026-10-13T05:44:20+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 2006-10-27) on 2021-03-07 and reserved on 2021-03-09. 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 2021-09-08. This does not confirm availability."},{"raw_change_id":409652,"classification_code":"REMOVED_REASON_UNKNOWN","confidence":"STRONG_INFERENCE","classifier_version":"1.3.1","classified_at":"2026-10-13T08:19:28+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 2006-10-27) on 2021-03-07 and reserved on 2021-03-09. 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 2021-09-08. This does not confirm availability."},{"raw_change_id":409652,"classification_code":"REMOVED_REASON_UNKNOWN","confidence":"STRONG_INFERENCE","classifier_version":"1.3.2","classified_at":"2026-10-13T15:03:18+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 2006-10-27) on 2021-03-07 and reserved on 2021-03-09. 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 2021-09-08. This does not confirm availability."},{"raw_change_id":409652,"classification_code":"REMOVED_REASON_UNKNOWN","confidence":"STRONG_INFERENCE","classifier_version":"1.4.0","classified_at":"2026-10-14T00:07:59+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 2006-10-27) on 2021-03-07 and reserved on 2021-03-09. 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 2021-09-08. This does not confirm availability."}],"14afb1267590be25":[{"raw_change_id":390838,"classification_code":"REMOVED_REASON_UNKNOWN","confidence":"STRONG_INFERENCE","classifier_version":"1.3.0","classified_at":"2026-10-13T05:35:10+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 2006-10-27) on 2020-03-08 and reserved on 2020-03-10. 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 2020-09-09. This does not confirm availability."},{"raw_change_id":390838,"classification_code":"REMOVED_REASON_UNKNOWN","confidence":"STRONG_INFERENCE","classifier_version":"1.3.1","classified_at":"2026-10-13T08:18:24+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 2006-10-27) on 2020-03-08 and reserved on 2020-03-10. 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 2020-09-09. This does not confirm availability."},{"raw_change_id":390838,"classification_code":"REMOVED_REASON_UNKNOWN","confidence":"STRONG_INFERENCE","classifier_version":"1.3.2","classified_at":"2026-10-13T15:02:09+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 2006-10-27) on 2020-03-08 and reserved on 2020-03-10. 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 2020-09-09. This does not confirm availability."},{"raw_change_id":390838,"classification_code":"REMOVED_REASON_UNKNOWN","confidence":"STRONG_INFERENCE","classifier_version":"1.4.0","classified_at":"2026-10-14T00:06:39+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 2006-10-27) on 2020-03-08 and reserved on 2020-03-10. 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 2020-09-09. This does not confirm availability."}]},"arin_statistics_now":{"status":"reserved"}}