{"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":"AS3144","resource_type":"asn","page":"https://rirtracker.com/asn/3144/","statistics_now":{"registry":"ARIN","status":"assigned (dated 2024-12-03)"},"current_holder":{"rir":"ARIN","org":"US computing LLC","how":"ARIN's latest statistics and the latest transfer record"},"rdap_snapshots":[],"transfers":[{"id":1480,"date":"2019-01-22T17:06:50Z","type":"MERGER_ACQUISITION","source_rir":"ARIN","recipient_rir":"ARIN","source_org":"Pinnacle On-Line","recipient_org":"US computing LLC","range":"AS3144","log":"ARIN"}],"events":[{"event_id":"297eae2789831fa0","registry":"ARIN","report_date":"2024-12-03","source":"arin_issued","raw_action":"ADD","raw_line":"Add AS3144","resource_type":"asn","resource":"AS3144","start":3144,"end":3144,"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":"2026-10-13T23:54:16+00:00","page":"https://rirtracker.com/asn/3144/#e-297eae2789831fa0","report_page":"https://rirtracker.com/arin/reports/2024-12-03/","evidence_url":"https://rirtracker.com/api/v1/resources/asn/3144.json","explanation":"No transfer record matches. ARIN's statistics show it reserved on 2024-12-02 and assigned (dated 2024-12-03) on 2024-12-04. The tracker saw this range removed from registration on 2021-06-09 (AS3144), so it appears to have been issued again from ARIN's pool.","evidence":[{"type":"arin_issued","url":"https://lists.arin.net/pipermail/arin-issued/2024-December/005834.html","retrieved_at":"2026-10-12T18:42:50+00:00","summary":"ARIN-Issued report for 2024-12-03: \"Add AS3144\""},{"type":"delegated_before","url":"https://ftp.arin.net/pub/stats/arin/archive/2024/delegated-arin-extended-20241202.gz","retrieved_at":"2026-10-12T23:50:57+00:00","summary":"ARIN delegated statistics 2024-12-02 (produced 2024-12-02T14:01:06+00:00), before the report: reserved"},{"type":"delegated_after","url":"https://ftp.arin.net/pub/stats/arin/archive/2024/delegated-arin-extended-20241204.gz","retrieved_at":"2026-10-12T23:51:02+00:00","summary":"ARIN delegated statistics 2024-12-04 (produced 2024-12-04T14:01:07+00:00), after the report: assigned (dated 2024-12-03)"}]},{"event_id":"46630ed605b1eec9","registry":"ARIN","report_date":"2024-12-03","source":"arin_issued","raw_action":"REMOVE","raw_line":"Remove AS3144","resource_type":"asn","resource":"AS3144","start":3144,"end":3144,"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":"2026-10-13T23:54:16+00:00","page":"https://rirtracker.com/asn/3144/#e-46630ed605b1eec9","report_page":"https://rirtracker.com/arin/reports/2024-12-03/","evidence_url":"https://rirtracker.com/api/v1/resources/asn/3144.json","explanation":"ARIN's statistics show it reserved on 2024-12-02 and assigned (dated 2024-12-03) on 2024-12-04. ARIN removed its own pool record for this range as part of issuing it: the same report adds AS3144. The issuance is explained on that line.","evidence":[{"type":"arin_issued","url":"https://lists.arin.net/pipermail/arin-issued/2024-December/005834.html","retrieved_at":"2026-10-12T18:42:50+00:00","summary":"ARIN-Issued report for 2024-12-03: \"Remove AS3144\""},{"type":"delegated_before","url":"https://ftp.arin.net/pub/stats/arin/archive/2024/delegated-arin-extended-20241202.gz","retrieved_at":"2026-10-12T23:50:57+00:00","summary":"ARIN delegated statistics 2024-12-02 (produced 2024-12-02T14:01:06+00:00), before the report: reserved"},{"type":"delegated_after","url":"https://ftp.arin.net/pub/stats/arin/archive/2024/delegated-arin-extended-20241204.gz","retrieved_at":"2026-10-12T23:51:02+00:00","summary":"ARIN delegated statistics 2024-12-04 (produced 2024-12-04T14:01:07+00:00), after the report: assigned (dated 2024-12-03)"}]},{"event_id":"e324c3632cad269a","registry":"ARIN","report_date":"2021-06-09","source":"statistics","raw_action":"NOT_IN_ARIN_ISSUED","raw_line":null,"resource_type":"asn","resource":"AS3144","start":3144,"end":3144,"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":"2026-10-14T00:08:14+00:00","page":"https://rirtracker.com/asn/3144/#e-e324c3632cad269a","report_page":"https://rirtracker.com/arin/reports/2021-06-09/","evidence_url":"https://rirtracker.com/api/v1/resources/asn/3144.json","observed":"AS3144 assigned on 2021-06-09, reserved on 2021-06-10","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":"2021-12-09","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 1993-11-30) on 2021-06-08 and reserved on 2021-06-10. 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 2021-12-09. This does not confirm availability.","evidence":[{"type":"statistics_diff","url":"https://ftp.arin.net/pub/stats/arin/archive/2021/delegated-arin-extended-20210610.gz","retrieved_at":"2026-10-12T22:44:04+00:00","summary":"Not listed in ARIN-Issued; found by comparing ARIN's daily statistics: AS3144 assigned on 2021-06-09, reserved on 2021-06-10"},{"type":"delegated_before","url":"https://ftp.arin.net/pub/stats/arin/archive/2021/delegated-arin-extended-20210608.gz","retrieved_at":"2026-10-12T22:43:59+00:00","summary":"ARIN delegated statistics 2021-06-08 (produced 2021-06-08T14:00:13+00:00), before the report: assigned (dated 1993-11-30)"},{"type":"delegated_after","url":"https://ftp.arin.net/pub/stats/arin/archive/2021/delegated-arin-extended-20210610.gz","retrieved_at":"2026-10-12T22:44:04+00:00","summary":"ARIN delegated statistics 2021-06-10 (produced 2021-06-10T14:00:14+00:00), after the report: reserved"}]},{"event_id":"e4dd2f6eb5470e73","registry":"ARIN","report_date":"2019-01-22","source":"transfers","raw_action":"TRANSFER","raw_line":null,"resource_type":"asn","resource":"AS3144","start":3144,"end":3144,"classification":"MERGER_ACQUISITION","classification_label":"Merger/acquisition or reorganization","confidence":"CONFIRMED","source_rir":"ARIN","recipient_rir":"ARIN","source_organization":"Pinnacle On-Line","recipient_organization":"US computing LLC","inventory_effect":"No effect on ARIN applicant inventory","inventory_effect_code":"NO_EFFECT","provisional":false,"classifier_version":"1.4.0","classified_at":"2026-10-14T00:18:43+00:00","page":"https://rirtracker.com/asn/3144/#e-e4dd2f6eb5470e73","report_page":"https://rirtracker.com/arin/reports/2019-01-22/","evidence_url":"https://rirtracker.com/api/v1/resources/asn/3144.json","observed":"Merger/acquisition: Pinnacle On-Line (ARIN) to US computing LLC (ARIN)","explanation":"ARIN's transfer log records a merger, acquisition or reorganization from Pinnacle On-Line (ARIN) to US computing LLC (ARIN) on 2019-01-22 17:06 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 2019-01-22 17:06 UTC, Pinnacle On-Line (ARIN) to US computing LLC (ARIN); resources moved: AS3144"},{"type":"delegated_before","url":"https://ftp.arin.net/pub/stats/arin/archive/2019/delegated-arin-extended-20190121.gz","retrieved_at":"2026-10-12T21:59:08+00:00","summary":"ARIN delegated statistics 2019-01-21 (produced 2019-01-21T06:00:17+00:00), before the report: assigned (dated 1993-11-30)"},{"type":"delegated_after","url":"https://ftp.arin.net/pub/stats/arin/archive/2019/delegated-arin-extended-20190123.gz","retrieved_at":"2026-10-12T21:59:13+00:00","summary":"ARIN delegated statistics 2019-01-23 (produced 2019-01-23T06:00:17+00:00), after the report: assigned (dated 1993-11-30)"}]}],"classification_history":{"297eae2789831fa0":[{"raw_change_id":190747,"classification_code":"APPARENT_REISSUANCE","confidence":"STRONG_INFERENCE","classifier_version":"1.3.0","classified_at":"2026-10-13T04:04:11+00:00","current":0,"public_explanation":"No transfer record matches. ARIN's statistics show it reserved on 2024-12-02 and assigned (dated 2024-12-03) on 2024-12-04. The tracker saw this range removed from registration on 2021-06-09 (AS3144), so it appears to have been issued again from ARIN's pool."},{"raw_change_id":190747,"classification_code":"APPARENT_REISSUANCE","confidence":"STRONG_INFERENCE","classifier_version":"1.3.1","classified_at":"2026-10-13T08:07:52+00:00","current":0,"public_explanation":"No transfer record matches. ARIN's statistics show it reserved on 2024-12-02 and assigned (dated 2024-12-03) on 2024-12-04. The tracker saw this range removed from registration on 2021-06-09 (AS3144), so it appears to have been issued again from ARIN's pool."},{"raw_change_id":190747,"classification_code":"APPARENT_REISSUANCE","confidence":"STRONG_INFERENCE","classifier_version":"1.3.2","classified_at":"2026-10-13T14:50:45+00:00","current":0,"public_explanation":"No transfer record matches. ARIN's statistics show it reserved on 2024-12-02 and assigned (dated 2024-12-03) on 2024-12-04. The tracker saw this range removed from registration on 2021-06-09 (AS3144), so it appears to have been issued again from ARIN's pool."},{"raw_change_id":190747,"classification_code":"APPARENT_REISSUANCE","confidence":"STRONG_INFERENCE","classifier_version":"1.4.0","classified_at":"2026-10-13T23:54:16+00:00","current":1,"public_explanation":"No transfer record matches. ARIN's statistics show it reserved on 2024-12-02 and assigned (dated 2024-12-03) on 2024-12-04. The tracker saw this range removed from registration on 2021-06-09 (AS3144), so it appears to have been issued again from ARIN's pool."}],"46630ed605b1eec9":[{"raw_change_id":190646,"classification_code":"POOL_RECORD_CHANGE","confidence":"STRONG_INFERENCE","classifier_version":"1.3.0","classified_at":"2026-10-13T04:04:09+00:00","current":0,"public_explanation":"ARIN's statistics show it reserved on 2024-12-02 and assigned (dated 2024-12-03) on 2024-12-04. ARIN removed its own pool record for this range as part of issuing it: the same report adds AS3144. The issuance is explained on that line."},{"raw_change_id":190646,"classification_code":"POOL_RECORD_CHANGE","confidence":"STRONG_INFERENCE","classifier_version":"1.3.1","classified_at":"2026-10-13T08:07:52+00:00","current":0,"public_explanation":"ARIN's statistics show it reserved on 2024-12-02 and assigned (dated 2024-12-03) on 2024-12-04. ARIN removed its own pool record for this range as part of issuing it: the same report adds AS3144. The issuance is explained on that line."},{"raw_change_id":190646,"classification_code":"POOL_RECORD_CHANGE","confidence":"STRONG_INFERENCE","classifier_version":"1.3.2","classified_at":"2026-10-13T14:50:45+00:00","current":0,"public_explanation":"ARIN's statistics show it reserved on 2024-12-02 and assigned (dated 2024-12-03) on 2024-12-04. ARIN removed its own pool record for this range as part of issuing it: the same report adds AS3144. The issuance is explained on that line."},{"raw_change_id":190646,"classification_code":"POOL_RECORD_CHANGE","confidence":"STRONG_INFERENCE","classifier_version":"1.4.0","classified_at":"2026-10-13T23:54:16+00:00","current":1,"public_explanation":"ARIN's statistics show it reserved on 2024-12-02 and assigned (dated 2024-12-03) on 2024-12-04. ARIN removed its own pool record for this range as part of issuing it: the same report adds AS3144. The issuance is explained on that line."}],"e324c3632cad269a":[{"raw_change_id":413187,"classification_code":"REMOVED_REASON_UNKNOWN","confidence":"STRONG_INFERENCE","classifier_version":"1.3.0","classified_at":"2026-10-13T05:45:46+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 1993-11-30) on 2021-06-08 and reserved on 2021-06-10. 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 2021-12-09. This does not confirm availability."},{"raw_change_id":413187,"classification_code":"REMOVED_REASON_UNKNOWN","confidence":"STRONG_INFERENCE","classifier_version":"1.3.1","classified_at":"2026-10-13T08:19:41+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 1993-11-30) on 2021-06-08 and reserved on 2021-06-10. 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 2021-12-09. This does not confirm availability."},{"raw_change_id":413187,"classification_code":"REMOVED_REASON_UNKNOWN","confidence":"STRONG_INFERENCE","classifier_version":"1.3.2","classified_at":"2026-10-13T15:03:32+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 1993-11-30) on 2021-06-08 and reserved on 2021-06-10. 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 2021-12-09. This does not confirm availability."},{"raw_change_id":413187,"classification_code":"REMOVED_REASON_UNKNOWN","confidence":"STRONG_INFERENCE","classifier_version":"1.4.0","classified_at":"2026-10-14T00:08:14+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 assigned (dated 1993-11-30) on 2021-06-08 and reserved on 2021-06-10. 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 2021-12-09. This does not confirm availability."}],"e4dd2f6eb5470e73":[{"raw_change_id":557848,"classification_code":"MERGER_ACQUISITION","confidence":"CONFIRMED","classifier_version":"1.4.0","classified_at":"2026-10-14T00:18:43+00:00","current":1,"public_explanation":"ARIN's transfer log records a merger, acquisition or reorganization from Pinnacle On-Line (ARIN) to US computing LLC (ARIN) on 2019-01-22 17:06 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."}]},"arin_statistics_now":{"status":"assigned (dated 2024-12-03)"}}