{"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":"AS18849","resource_type":"asn","page":"https://rirtracker.com/asn/18849/","statistics_now":{"registry":"ARIN","status":"assigned (dated 2024-03-19)"},"current_holder":{"rir":"ARIN","org":null,"how":"ARIN's latest statistics"},"rdap_snapshots":[],"transfers":[],"events":[{"event_id":"eac6ba1d09503881","registry":"ARIN","report_date":"2024-03-19","source":"arin_issued","raw_action":"ADD","raw_line":"Add AS18849","resource_type":"asn","resource":"AS18849","start":18849,"end":18849,"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":"2026-10-13T23:54:01+00:00","page":"https://rirtracker.com/asn/18849/#e-eac6ba1d09503881","report_page":"https://rirtracker.com/arin/reports/2024-03-19/","evidence_url":"https://rirtracker.com/api/v1/resources/asn/18849.json","explanation":"No transfer record matches. ARIN's statistics show it reserved on 2024-03-18 and assigned (dated 2024-03-19) on 2024-03-20. The tracker saw this range released from hold on 2024-03-18 (AS18849), so it appears to have been issued again from ARIN's pool. Another change to this range was reported the day before or after (2024-03-18: Remove AS18849), so the before-and-after statistics may include it.","evidence":[{"type":"arin_issued","url":"https://lists.arin.net/pipermail/arin-issued/2024-March/005576.html","retrieved_at":"2026-10-12T18:42:31+00:00","summary":"ARIN-Issued report for 2024-03-19: \"Add AS18849\""},{"type":"delegated_before","url":"https://ftp.arin.net/pub/stats/arin/archive/2024/delegated-arin-extended-20240318.gz","retrieved_at":"2026-10-12T23:36:56+00:00","summary":"ARIN delegated statistics 2024-03-18 (produced 2024-03-18T13:00:44+00:00), before the report: reserved"},{"type":"delegated_after","url":"https://ftp.arin.net/pub/stats/arin/archive/2024/delegated-arin-extended-20240320.gz","retrieved_at":"2026-10-12T23:37:01+00:00","summary":"ARIN delegated statistics 2024-03-20 (produced 2024-03-20T13:00:45+00:00), after the report: assigned (dated 2024-03-19)"}]},{"event_id":"0ca1a3d34a55c225","registry":"ARIN","report_date":"2024-03-18","source":"arin_issued","raw_action":"REMOVE","raw_line":"Remove AS18849","resource_type":"asn","resource":"AS18849","start":18849,"end":18849,"classification":"HOLD_RELEASED","classification_label":"Released from hold (ARIN lists it as 'available')","confidence":"OBSERVED_ONLY","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":"2026-10-13T23:54:01+00:00","page":"https://rirtracker.com/asn/18849/#e-0ca1a3d34a55c225","report_page":"https://rirtracker.com/arin/reports/2024-03-18/","evidence_url":"https://rirtracker.com/api/v1/resources/asn/18849.json","explanation":"ARIN's statistics show it reserved on 2024-03-17 and available on 2024-03-19. 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 2023-07-10, 252 days earlier. That is ARIN's own label: whether and when it is reissued is not confirmed. Another change to this range was reported the day before or after (2024-03-19: Add AS18849), so the before-and-after statistics may include it.","evidence":[{"type":"arin_issued","url":"https://lists.arin.net/pipermail/arin-issued/2024-March/005575.html","retrieved_at":"2026-10-12T18:42:31+00:00","summary":"ARIN-Issued report for 2024-03-18: \"Remove AS18849\""},{"type":"delegated_before","url":"https://ftp.arin.net/pub/stats/arin/archive/2024/delegated-arin-extended-20240317.gz","retrieved_at":"2026-10-12T23:36:54+00:00","summary":"ARIN delegated statistics 2024-03-17 (produced 2024-03-17T13:00:45+00:00), before the report: reserved"},{"type":"delegated_after","url":"https://ftp.arin.net/pub/stats/arin/archive/2024/delegated-arin-extended-20240319.gz","retrieved_at":"2026-10-12T23:36:59+00:00","summary":"ARIN delegated statistics 2024-03-19 (produced 2024-03-19T13:00:47+00:00), after the report: available"}]},{"event_id":"06bbf4296a2c022f","registry":"ARIN","report_date":"2023-07-10","source":"statistics","raw_action":"NOT_IN_ARIN_ISSUED","raw_line":null,"resource_type":"asn","resource":"AS18849","start":18849,"end":18849,"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":"2026-10-14T00:10:50+00:00","page":"https://rirtracker.com/asn/18849/#e-06bbf4296a2c022f","report_page":"https://rirtracker.com/arin/reports/2023-07-10/","evidence_url":"https://rirtracker.com/api/v1/resources/asn/18849.json","observed":"AS18849 assigned on 2023-07-10, reserved on 2023-07-11","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":"2024-01-10","availability_statement":"Possible reissue candidate after this date; not confirmed available"},"explanation":"Removed from active registration. ARIN-Issued didn't list this; the tracker found it by comparing ARIN's daily statistics. ARIN's statistics show it assigned (dated 2014-02-21) on 2023-07-09 and reserved on 2023-07-11. 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 2024-01-10. This does not confirm availability.","evidence":[{"type":"statistics_diff","url":"https://ftp.arin.net/pub/stats/arin/archive/2023/delegated-arin-extended-20230711.gz","retrieved_at":"2026-10-12T23:23:41+00:00","summary":"Not listed in ARIN-Issued; found by comparing ARIN's daily statistics: AS18849 assigned on 2023-07-10, reserved on 2023-07-11"},{"type":"delegated_before","url":"https://ftp.arin.net/pub/stats/arin/archive/2023/delegated-arin-extended-20230709.gz","retrieved_at":"2026-10-12T23:23:36+00:00","summary":"ARIN delegated statistics 2023-07-09 (produced 2023-07-09T13:00:12+00:00), before the report: assigned (dated 2014-02-21)"},{"type":"delegated_after","url":"https://ftp.arin.net/pub/stats/arin/archive/2023/delegated-arin-extended-20230711.gz","retrieved_at":"2026-10-12T23:23:41+00:00","summary":"ARIN delegated statistics 2023-07-11 (produced 2023-07-11T13:00:10+00:00), after the report: reserved"}]},{"event_id":"7a74df3862cdb4d7","registry":"ARIN","report_date":"2013-11-20","source":"statistics","raw_action":"NOT_IN_ARIN_ISSUED","raw_line":null,"resource_type":"asn","resource":"AS18849","start":18849,"end":18849,"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":"2026-10-13T23:58:39+00:00","page":"https://rirtracker.com/asn/18849/#e-7a74df3862cdb4d7","report_page":"https://rirtracker.com/arin/reports/2013-11-20/","evidence_url":"https://rirtracker.com/api/v1/resources/asn/18849.json","observed":"AS18849 assigned on 2013-11-20, reserved on 2013-11-21","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":"2014-05-20","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 2000-10-18) on 2013-11-19 and reserved on 2013-11-21. 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 2014-05-20. This does not confirm availability.","evidence":[{"type":"statistics_diff","url":"https://ftp.arin.net/pub/stats/arin/archive/2013/delegated-arin-extended-20131121.gz","retrieved_at":"2026-10-12T20:07:55+00:00","summary":"Not listed in ARIN-Issued; found by comparing ARIN's daily statistics: AS18849 assigned on 2013-11-20, reserved on 2013-11-21"},{"type":"delegated_before","url":"https://ftp.arin.net/pub/stats/arin/archive/2013/delegated-arin-extended-20131119.gz","retrieved_at":"2026-10-12T20:07:50+00:00","summary":"ARIN delegated statistics 2013-11-19 (produced 2013-11-19T06:06:54+00:00), before the report: assigned (dated 2000-10-18)"},{"type":"delegated_after","url":"https://ftp.arin.net/pub/stats/arin/archive/2013/delegated-arin-extended-20131121.gz","retrieved_at":"2026-10-12T20:07:55+00:00","summary":"ARIN delegated statistics 2013-11-21 (produced 2013-11-21T06:05:50+00:00), after the report: reserved"}]}],"classification_history":{"eac6ba1d09503881":[{"raw_change_id":186114,"classification_code":"APPARENT_REISSUANCE","confidence":"OBSERVED_ONLY","classifier_version":"1.3.0","classified_at":"2026-10-13T04:01:20+00:00","current":0,"public_explanation":"No transfer record matches. ARIN's statistics show it reserved on 2024-03-18 and assigned (dated 2024-03-19) on 2024-03-20. The tracker saw this range released from hold on 2024-03-18 (AS18849), so it appears to have been issued again from ARIN's pool. Another change to this range was reported the day before or after (2024-03-18: Remove AS18849), so the before-and-after statistics may include it."},{"raw_change_id":186114,"classification_code":"APPARENT_REISSUANCE","confidence":"OBSERVED_ONLY","classifier_version":"1.3.1","classified_at":"2026-10-13T08:07:40+00:00","current":0,"public_explanation":"No transfer record matches. ARIN's statistics show it reserved on 2024-03-18 and assigned (dated 2024-03-19) on 2024-03-20. The tracker saw this range released from hold on 2024-03-18 (AS18849), so it appears to have been issued again from ARIN's pool. Another change to this range was reported the day before or after (2024-03-18: Remove AS18849), so the before-and-after statistics may include it."},{"raw_change_id":186114,"classification_code":"APPARENT_REISSUANCE","confidence":"OBSERVED_ONLY","classifier_version":"1.3.2","classified_at":"2026-10-13T14:50:32+00:00","current":0,"public_explanation":"No transfer record matches. ARIN's statistics show it reserved on 2024-03-18 and assigned (dated 2024-03-19) on 2024-03-20. The tracker saw this range released from hold on 2024-03-18 (AS18849), so it appears to have been issued again from ARIN's pool. Another change to this range was reported the day before or after (2024-03-18: Remove AS18849), so the before-and-after statistics may include it."},{"raw_change_id":186114,"classification_code":"APPARENT_REISSUANCE","confidence":"OBSERVED_ONLY","classifier_version":"1.4.0","classified_at":"2026-10-13T23:54:01+00:00","current":1,"public_explanation":"No transfer record matches. ARIN's statistics show it reserved on 2024-03-18 and assigned (dated 2024-03-19) on 2024-03-20. The tracker saw this range released from hold on 2024-03-18 (AS18849), so it appears to have been issued again from ARIN's pool. Another change to this range was reported the day before or after (2024-03-18: Remove AS18849), so the before-and-after statistics may include it."}],"0ca1a3d34a55c225":[{"raw_change_id":186070,"classification_code":"HOLD_RELEASED","confidence":"OBSERVED_ONLY","classifier_version":"1.3.0","classified_at":"2026-10-13T04:01:19+00:00","current":0,"public_explanation":"ARIN's statistics show it reserved on 2024-03-17 and available on 2024-03-19. 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 2023-07-10, 252 days earlier. That is ARIN's own label: whether and when it is reissued is not confirmed. Another change to this range was reported the day before or after (2024-03-19: Add AS18849), so the before-and-after statistics may include it."},{"raw_change_id":186070,"classification_code":"HOLD_RELEASED","confidence":"OBSERVED_ONLY","classifier_version":"1.3.1","classified_at":"2026-10-13T08:07:40+00:00","current":0,"public_explanation":"ARIN's statistics show it reserved on 2024-03-17 and available on 2024-03-19. 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 2023-07-10, 252 days earlier. That is ARIN's own label: whether and when it is reissued is not confirmed. Another change to this range was reported the day before or after (2024-03-19: Add AS18849), so the before-and-after statistics may include it."},{"raw_change_id":186070,"classification_code":"HOLD_RELEASED","confidence":"OBSERVED_ONLY","classifier_version":"1.3.2","classified_at":"2026-10-13T14:50:32+00:00","current":0,"public_explanation":"ARIN's statistics show it reserved on 2024-03-17 and available on 2024-03-19. 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 2023-07-10, 252 days earlier. That is ARIN's own label: whether and when it is reissued is not confirmed. Another change to this range was reported the day before or after (2024-03-19: Add AS18849), so the before-and-after statistics may include it."},{"raw_change_id":186070,"classification_code":"HOLD_RELEASED","confidence":"OBSERVED_ONLY","classifier_version":"1.4.0","classified_at":"2026-10-13T23:54:01+00:00","current":1,"public_explanation":"ARIN's statistics show it reserved on 2024-03-17 and available on 2024-03-19. 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 2023-07-10, 252 days earlier. That is ARIN's own label: whether and when it is reissued is not confirmed. Another change to this range was reported the day before or after (2024-03-19: Add AS18849), so the before-and-after statistics may include it."}],"06bbf4296a2c022f":[{"raw_change_id":450647,"classification_code":"REMOVED_REASON_UNKNOWN","confidence":"STRONG_INFERENCE","classifier_version":"1.3.0","classified_at":"2026-10-13T06:01:28+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 2014-02-21) on 2023-07-09 and reserved on 2023-07-11. 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 2024-01-10. This does not confirm availability."},{"raw_change_id":450647,"classification_code":"REMOVED_REASON_UNKNOWN","confidence":"STRONG_INFERENCE","classifier_version":"1.3.1","classified_at":"2026-10-13T08:21:51+00:00","current":0,"public_explanation":"Removed from active registration. ARIN-Issued didn't list this; the tracker found it by comparing ARIN's daily statistics. ARIN's statistics show it assigned (dated 2014-02-21) on 2023-07-09 and reserved on 2023-07-11. 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 2024-01-10. This does not confirm availability."},{"raw_change_id":450647,"classification_code":"REMOVED_REASON_UNKNOWN","confidence":"STRONG_INFERENCE","classifier_version":"1.3.2","classified_at":"2026-10-13T15:05:51+00:00","current":0,"public_explanation":"Removed from active registration. ARIN-Issued didn't list this; the tracker found it by comparing ARIN's daily statistics. ARIN's statistics show it assigned (dated 2014-02-21) on 2023-07-09 and reserved on 2023-07-11. 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 2024-01-10. This does not confirm availability."},{"raw_change_id":450647,"classification_code":"REMOVED_REASON_UNKNOWN","confidence":"STRONG_INFERENCE","classifier_version":"1.4.0","classified_at":"2026-10-14T00:10:50+00:00","current":1,"public_explanation":"Removed from active registration. ARIN-Issued didn't list this; the tracker found it by comparing ARIN's daily statistics. ARIN's statistics show it assigned (dated 2014-02-21) on 2023-07-09 and reserved on 2023-07-11. 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 2024-01-10. This does not confirm availability."}],"7a74df3862cdb4d7":[{"raw_change_id":266774,"classification_code":"REMOVED_REASON_UNKNOWN","confidence":"STRONG_INFERENCE","classifier_version":"1.3.0","classified_at":"2026-10-13T04:39:17+00:00","current":0,"public_explanation":"Removed from active registration. ARIN-Issued didn't list this; the tracker found it by comparing ARIN's daily statistics. ARIN's statistics show it assigned (dated 2000-10-18) on 2013-11-19 and reserved on 2013-11-21. 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 2014-05-20. This does not confirm availability."},{"raw_change_id":266774,"classification_code":"REMOVED_REASON_UNKNOWN","confidence":"STRONG_INFERENCE","classifier_version":"1.3.1","classified_at":"2026-10-13T08:11:38+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 2000-10-18) on 2013-11-19 and reserved on 2013-11-21. 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 2014-05-20. This does not confirm availability."},{"raw_change_id":266774,"classification_code":"REMOVED_REASON_UNKNOWN","confidence":"STRONG_INFERENCE","classifier_version":"1.3.2","classified_at":"2026-10-13T14:54:53+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 2000-10-18) on 2013-11-19 and reserved on 2013-11-21. 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 2014-05-20. This does not confirm availability."},{"raw_change_id":266774,"classification_code":"REMOVED_REASON_UNKNOWN","confidence":"STRONG_INFERENCE","classifier_version":"1.4.0","classified_at":"2026-10-13T23:58:39+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 2000-10-18) on 2013-11-19 and reserved on 2013-11-21. 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 2014-05-20. This does not confirm availability."}]},"arin_statistics_now":{"status":"assigned (dated 2024-03-19)"}}