{"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":"AS33197","resource_type":"asn","page":"https://rirtracker.com/asn/33197/","statistics_now":{"registry":"ARIN","status":"assigned (dated 2022-07-20)"},"current_holder":{"rir":"ARIN","org":"Fulcrum Services LLC","how":"ARIN's latest statistics and the latest transfer record"},"rdap_snapshots":[],"transfers":[{"id":5146,"date":"2026-07-08T20:23:38Z","type":"MERGER_ACQUISITION","source_rir":"ARIN","recipient_rir":"ARIN","source_org":"Sidus Group, LLC","recipient_org":"Fulcrum Services LLC","range":"AS33197","log":"ARIN"}],"events":[{"event_id":"124905f85ce0698c","registry":"ARIN","report_date":"2026-07-08","source":"transfers","raw_action":"TRANSFER","raw_line":null,"resource_type":"asn","resource":"AS33197","start":33197,"end":33197,"classification":"MERGER_ACQUISITION","classification_label":"Merger/acquisition or reorganization","confidence":"CONFIRMED","source_rir":"ARIN","recipient_rir":"ARIN","source_organization":"Sidus Group, LLC","recipient_organization":"Fulcrum Services LLC","inventory_effect":"No effect on ARIN applicant inventory","inventory_effect_code":"NO_EFFECT","provisional":false,"classifier_version":"1.4.0","classified_at":"2026-10-14T00:19:29+00:00","page":"https://rirtracker.com/asn/33197/#e-124905f85ce0698c","report_page":"https://rirtracker.com/arin/reports/2026-07-08/","evidence_url":"https://rirtracker.com/api/v1/resources/asn/33197.json","observed":"Merger/acquisition: Sidus Group, LLC (ARIN) to Fulcrum Services LLC (ARIN)","explanation":"ARIN's transfer log records a merger, acquisition or reorganization from Sidus Group, LLC (ARIN) to Fulcrum Services LLC (ARIN) on 2026-07-08 20:23 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 2026-07-08 20:23 UTC, Sidus Group, LLC (ARIN) to Fulcrum Services LLC (ARIN); resources moved: AS33197"},{"type":"delegated_before","url":"https://ftp.arin.net/pub/stats/arin/delegated-arin-extended-20260707","retrieved_at":"2026-10-09T19:04:03+00:00","summary":"ARIN delegated statistics 2026-07-07 (produced 2026-07-07T09:00:21+00:00), before the report: assigned (dated 2022-07-20)"},{"type":"delegated_after","url":"https://ftp.arin.net/pub/stats/arin/delegated-arin-extended-20260709","retrieved_at":"2026-10-09T19:04:10+00:00","summary":"ARIN delegated statistics 2026-07-09 (produced 2026-07-09T09:00:22+00:00), after the report: assigned (dated 2022-07-20)"}]},{"event_id":"8b12b0c75b47ed3a","registry":"ARIN","report_date":"2022-07-20","source":"arin_issued","raw_action":"ADD","raw_line":"Add AS33197","resource_type":"asn","resource":"AS33197","start":33197,"end":33197,"classification":"APPARENT_REISSUANCE","classification_label":"Apparent reissuance of previously removed resource","confidence":"STRONG_INFERENCE","source_rir":null,"recipient_rir":null,"source_organization":null,"recipient_organization":null,"inventory_effect":"Likely issued from ARIN-controlled inventory","inventory_effect_code":"ISSUED","provisional":false,"classifier_version":"1.4.0","classified_at":"2026-10-13T23:53:26+00:00","page":"https://rirtracker.com/asn/33197/#e-8b12b0c75b47ed3a","report_page":"https://rirtracker.com/arin/reports/2022-07-20/","evidence_url":"https://rirtracker.com/api/v1/resources/asn/33197.json","explanation":"No transfer record matches. ARIN's statistics show it reserved on 2022-07-19 and assigned (dated 2022-07-20) on 2022-07-21. The tracker saw this range removed from registration on 2019-11-15 (AS33197), so it appears to have been issued again from ARIN's pool.","evidence":[{"type":"arin_issued","url":"https://lists.arin.net/pipermail/arin-issued/2022-July/004968.html","retrieved_at":"2026-10-12T18:41:49+00:00","summary":"ARIN-Issued report for 2022-07-20: \"Add AS33197\""},{"type":"delegated_before","url":"https://ftp.arin.net/pub/stats/arin/archive/2022/delegated-arin-extended-20220719.gz","retrieved_at":"2026-10-12T23:04:48+00:00","summary":"ARIN delegated statistics 2022-07-19 (produced 2022-07-19T13:00:10+00:00), before the report: reserved"},{"type":"delegated_after","url":"https://ftp.arin.net/pub/stats/arin/archive/2022/delegated-arin-extended-20220721.gz","retrieved_at":"2026-10-12T23:04:53+00:00","summary":"ARIN delegated statistics 2022-07-21 (produced 2022-07-21T13:00:10+00:00), after the report: assigned (dated 2022-07-20)"}]},{"event_id":"945d375a9d81d789","registry":"ARIN","report_date":"2022-07-20","source":"arin_issued","raw_action":"REMOVE","raw_line":"Remove AS33197","resource_type":"asn","resource":"AS33197","start":33197,"end":33197,"classification":"POOL_RECORD_CHANGE","classification_label":"Change to ARIN's own pool record","confidence":"STRONG_INFERENCE","source_rir":null,"recipient_rir":null,"source_organization":null,"recipient_organization":null,"inventory_effect":"Part of the issuance reported the same day","inventory_effect_code":"PAIRED","provisional":false,"classifier_version":"1.4.0","classified_at":"2026-10-13T23:53:26+00:00","page":"https://rirtracker.com/asn/33197/#e-945d375a9d81d789","report_page":"https://rirtracker.com/arin/reports/2022-07-20/","evidence_url":"https://rirtracker.com/api/v1/resources/asn/33197.json","explanation":"ARIN's statistics show it reserved on 2022-07-19 and assigned (dated 2022-07-20) on 2022-07-21. ARIN removed its own pool record for this range as part of issuing it: the same report adds AS33197. The issuance is explained on that line.","evidence":[{"type":"arin_issued","url":"https://lists.arin.net/pipermail/arin-issued/2022-July/004968.html","retrieved_at":"2026-10-12T18:41:49+00:00","summary":"ARIN-Issued report for 2022-07-20: \"Remove AS33197\""},{"type":"delegated_before","url":"https://ftp.arin.net/pub/stats/arin/archive/2022/delegated-arin-extended-20220719.gz","retrieved_at":"2026-10-12T23:04:48+00:00","summary":"ARIN delegated statistics 2022-07-19 (produced 2022-07-19T13:00:10+00:00), before the report: reserved"},{"type":"delegated_after","url":"https://ftp.arin.net/pub/stats/arin/archive/2022/delegated-arin-extended-20220721.gz","retrieved_at":"2026-10-12T23:04:53+00:00","summary":"ARIN delegated statistics 2022-07-21 (produced 2022-07-21T13:00:10+00:00), after the report: assigned (dated 2022-07-20)"}]},{"event_id":"1b7b2448e7e02391","registry":"ARIN","report_date":"2019-11-15","source":"statistics","raw_action":"NOT_IN_ARIN_ISSUED","raw_line":null,"resource_type":"asn","resource":"AS33197","start":33197,"end":33197,"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":"2026-10-14T00:06:10+00:00","page":"https://rirtracker.com/asn/33197/#e-1b7b2448e7e02391","report_page":"https://rirtracker.com/arin/reports/2019-11-15/","evidence_url":"https://rirtracker.com/api/v1/resources/asn/33197.json","observed":"AS33197 assigned on 2019-11-15, reserved on 2019-11-16","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":"2020-05-15","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 2004-10-22) on 2019-11-14 and reserved on 2019-11-16. 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 2020-05-15. This does not confirm availability.","evidence":[{"type":"statistics_diff","url":"https://ftp.arin.net/pub/stats/arin/archive/2019/delegated-arin-extended-20191116.gz","retrieved_at":"2026-10-12T22:14:29+00:00","summary":"Not listed in ARIN-Issued; found by comparing ARIN's daily statistics: AS33197 assigned on 2019-11-15, reserved on 2019-11-16"},{"type":"delegated_before","url":"https://ftp.arin.net/pub/stats/arin/archive/2019/delegated-arin-extended-20191114.gz","retrieved_at":"2026-10-12T22:14:24+00:00","summary":"ARIN delegated statistics 2019-11-14 (produced 2019-11-14T15:00:14+00:00), before the report: assigned (dated 2004-10-22)"},{"type":"delegated_after","url":"https://ftp.arin.net/pub/stats/arin/archive/2019/delegated-arin-extended-20191116.gz","retrieved_at":"2026-10-12T22:14:29+00:00","summary":"ARIN delegated statistics 2019-11-16 (produced 2019-11-16T15:00:13+00:00), after the report: reserved"}]}],"classification_history":{"124905f85ce0698c":[{"raw_change_id":576515,"classification_code":"MERGER_ACQUISITION","confidence":"CONFIRMED","classifier_version":"1.4.0","classified_at":"2026-10-14T00:19:29+00:00","current":1,"public_explanation":"ARIN's transfer log records a merger, acquisition or reorganization from Sidus Group, LLC (ARIN) to Fulcrum Services LLC (ARIN) on 2026-07-08 20:23 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."}],"8b12b0c75b47ed3a":[{"raw_change_id":177363,"classification_code":"APPARENT_REISSUANCE","confidence":"STRONG_INFERENCE","classifier_version":"1.3.0","classified_at":"2026-10-13T03:56:25+00:00","current":0,"public_explanation":"No transfer record matches. ARIN's statistics show it reserved on 2022-07-19 and assigned (dated 2022-07-20) on 2022-07-21. The tracker saw this range removed from registration on 2019-11-15 (AS33197), so it appears to have been issued again from ARIN's pool."},{"raw_change_id":177363,"classification_code":"APPARENT_REISSUANCE","confidence":"STRONG_INFERENCE","classifier_version":"1.3.1","classified_at":"2026-10-13T08:07:15+00:00","current":0,"public_explanation":"No transfer record matches. ARIN's statistics show it reserved on 2022-07-19 and assigned (dated 2022-07-20) on 2022-07-21. The tracker saw this range removed from registration on 2019-11-15 (AS33197), so it appears to have been issued again from ARIN's pool."},{"raw_change_id":177363,"classification_code":"APPARENT_REISSUANCE","confidence":"STRONG_INFERENCE","classifier_version":"1.3.2","classified_at":"2026-10-13T14:50:03+00:00","current":0,"public_explanation":"No transfer record matches. ARIN's statistics show it reserved on 2022-07-19 and assigned (dated 2022-07-20) on 2022-07-21. The tracker saw this range removed from registration on 2019-11-15 (AS33197), so it appears to have been issued again from ARIN's pool."},{"raw_change_id":177363,"classification_code":"APPARENT_REISSUANCE","confidence":"STRONG_INFERENCE","classifier_version":"1.4.0","classified_at":"2026-10-13T23:53:26+00:00","current":1,"public_explanation":"No transfer record matches. ARIN's statistics show it reserved on 2022-07-19 and assigned (dated 2022-07-20) on 2022-07-21. The tracker saw this range removed from registration on 2019-11-15 (AS33197), so it appears to have been issued again from ARIN's pool."}],"945d375a9d81d789":[{"raw_change_id":177355,"classification_code":"POOL_RECORD_CHANGE","confidence":"STRONG_INFERENCE","classifier_version":"1.3.0","classified_at":"2026-10-13T03:56:25+00:00","current":0,"public_explanation":"ARIN's statistics show it reserved on 2022-07-19 and assigned (dated 2022-07-20) on 2022-07-21. ARIN removed its own pool record for this range as part of issuing it: the same report adds AS33197. The issuance is explained on that line."},{"raw_change_id":177355,"classification_code":"POOL_RECORD_CHANGE","confidence":"STRONG_INFERENCE","classifier_version":"1.3.1","classified_at":"2026-10-13T08:07:15+00:00","current":0,"public_explanation":"ARIN's statistics show it reserved on 2022-07-19 and assigned (dated 2022-07-20) on 2022-07-21. ARIN removed its own pool record for this range as part of issuing it: the same report adds AS33197. The issuance is explained on that line."},{"raw_change_id":177355,"classification_code":"POOL_RECORD_CHANGE","confidence":"STRONG_INFERENCE","classifier_version":"1.3.2","classified_at":"2026-10-13T14:50:03+00:00","current":0,"public_explanation":"ARIN's statistics show it reserved on 2022-07-19 and assigned (dated 2022-07-20) on 2022-07-21. ARIN removed its own pool record for this range as part of issuing it: the same report adds AS33197. The issuance is explained on that line."},{"raw_change_id":177355,"classification_code":"POOL_RECORD_CHANGE","confidence":"STRONG_INFERENCE","classifier_version":"1.4.0","classified_at":"2026-10-13T23:53:26+00:00","current":1,"public_explanation":"ARIN's statistics show it reserved on 2022-07-19 and assigned (dated 2022-07-20) on 2022-07-21. ARIN removed its own pool record for this range as part of issuing it: the same report adds AS33197. The issuance is explained on that line."}],"1b7b2448e7e02391":[{"raw_change_id":383347,"classification_code":"REMOVED_REASON_UNKNOWN","confidence":"STRONG_INFERENCE","classifier_version":"1.3.0","classified_at":"2026-10-13T05:32:51+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 2004-10-22) on 2019-11-14 and reserved on 2019-11-16. 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 2020-05-15. This does not confirm availability."},{"raw_change_id":383347,"classification_code":"REMOVED_REASON_UNKNOWN","confidence":"STRONG_INFERENCE","classifier_version":"1.3.1","classified_at":"2026-10-13T08:17:59+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 2004-10-22) on 2019-11-14 and reserved on 2019-11-16. 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 2020-05-15. This does not confirm availability."},{"raw_change_id":383347,"classification_code":"REMOVED_REASON_UNKNOWN","confidence":"STRONG_INFERENCE","classifier_version":"1.3.2","classified_at":"2026-10-13T15:01:43+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 2004-10-22) on 2019-11-14 and reserved on 2019-11-16. 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 2020-05-15. This does not confirm availability."},{"raw_change_id":383347,"classification_code":"REMOVED_REASON_UNKNOWN","confidence":"STRONG_INFERENCE","classifier_version":"1.4.0","classified_at":"2026-10-14T00:06:10+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 2004-10-22) on 2019-11-14 and reserved on 2019-11-16. 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 2020-05-15. This does not confirm availability."}]},"arin_statistics_now":{"status":"assigned (dated 2022-07-20)"}}