{"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":"AS12100","resource_type":"asn","page":"https://rirtracker.com/asn/12100/","statistics_now":{"registry":"ARIN","status":"assigned (dated 2017-07-11)"},"current_holder":{"rir":"ARIN","org":null,"how":"ARIN's latest statistics"},"rdap_snapshots":[],"transfers":[],"events":[{"event_id":"8fed45df57ba3e0f","registry":"ARIN","report_date":"2017-07-11","source":"arin_issued","raw_action":"ADD","raw_line":"Add AS12100","resource_type":"asn","resource":"AS12100","start":12100,"end":12100,"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":"2026-10-13T23:51:49+00:00","page":"https://rirtracker.com/asn/12100/#e-8fed45df57ba3e0f","report_page":"https://rirtracker.com/arin/reports/2017-07-11/","evidence_url":"https://rirtracker.com/api/v1/resources/asn/12100.json","explanation":"No transfer record matches. ARIN's statistics show it reserved on 2017-07-10 and assigned (dated 2017-07-11) on 2017-07-12. The tracker saw this range removed from registration on 2015-12-01 (AS12100), so it appears to have been issued again from ARIN's pool.","evidence":[{"type":"arin_issued","url":"https://lists.arin.net/pipermail/arin-issued/2017-July/003135.html","retrieved_at":"2026-10-12T18:39:42+00:00","summary":"ARIN-Issued report for 2017-07-11: \"Add AS12100\""},{"type":"delegated_before","url":"https://ftp.arin.net/pub/stats/arin/archive/2017/delegated-arin-extended-20170710.gz","retrieved_at":"2026-10-12T21:30:59+00:00","summary":"ARIN delegated statistics 2017-07-10 (produced 2017-07-10T05:09:07+00:00), before the report: reserved"},{"type":"delegated_after","url":"https://ftp.arin.net/pub/stats/arin/archive/2017/delegated-arin-extended-20170712.gz","retrieved_at":"2026-10-12T21:31:04+00:00","summary":"ARIN delegated statistics 2017-07-12 (produced 2017-07-12T05:09:42+00:00), after the report: assigned (dated 2017-07-11)"}]},{"event_id":"a6e3a7a2915991c3","registry":"ARIN","report_date":"2017-07-11","source":"arin_issued","raw_action":"REMOVE","raw_line":"Remove AS12100","resource_type":"asn","resource":"AS12100","start":12100,"end":12100,"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":"2026-10-13T23:51:49+00:00","page":"https://rirtracker.com/asn/12100/#e-a6e3a7a2915991c3","report_page":"https://rirtracker.com/arin/reports/2017-07-11/","evidence_url":"https://rirtracker.com/api/v1/resources/asn/12100.json","explanation":"ARIN's statistics show it reserved on 2017-07-10 and assigned (dated 2017-07-11) on 2017-07-12. ARIN removed its own pool record for this range as part of issuing it: the same report adds AS12100. The issuance is explained on that line.","evidence":[{"type":"arin_issued","url":"https://lists.arin.net/pipermail/arin-issued/2017-July/003135.html","retrieved_at":"2026-10-12T18:39:42+00:00","summary":"ARIN-Issued report for 2017-07-11: \"Remove AS12100\""},{"type":"delegated_before","url":"https://ftp.arin.net/pub/stats/arin/archive/2017/delegated-arin-extended-20170710.gz","retrieved_at":"2026-10-12T21:30:59+00:00","summary":"ARIN delegated statistics 2017-07-10 (produced 2017-07-10T05:09:07+00:00), before the report: reserved"},{"type":"delegated_after","url":"https://ftp.arin.net/pub/stats/arin/archive/2017/delegated-arin-extended-20170712.gz","retrieved_at":"2026-10-12T21:31:04+00:00","summary":"ARIN delegated statistics 2017-07-12 (produced 2017-07-12T05:09:42+00:00), after the report: assigned (dated 2017-07-11)"}]},{"event_id":"d12ec2c4ca9244bd","registry":"ARIN","report_date":"2015-12-01","source":"statistics","raw_action":"NOT_IN_ARIN_ISSUED","raw_line":null,"resource_type":"asn","resource":"AS12100","start":12100,"end":12100,"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":"2026-10-14T00:01:31+00:00","page":"https://rirtracker.com/asn/12100/#e-d12ec2c4ca9244bd","report_page":"https://rirtracker.com/arin/reports/2015-12-01/","evidence_url":"https://rirtracker.com/api/v1/resources/asn/12100.json","observed":"AS12100 assigned on 2015-12-01, reserved on 2015-12-02","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":"2016-06-01","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 2009-10-26) on 2015-11-30 and reserved on 2015-12-02. 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 2016-06-01. This does not confirm availability.","evidence":[{"type":"statistics_diff","url":"https://ftp.arin.net/pub/stats/arin/archive/2015/delegated-arin-extended-20151202.gz","retrieved_at":"2026-10-12T21:02:31+00:00","summary":"Not listed in ARIN-Issued; found by comparing ARIN's daily statistics: AS12100 assigned on 2015-12-01, reserved on 2015-12-02"},{"type":"delegated_before","url":"https://ftp.arin.net/pub/stats/arin/archive/2015/delegated-arin-extended-20151130.gz","retrieved_at":"2026-10-12T21:02:26+00:00","summary":"ARIN delegated statistics 2015-11-30 (produced 2015-11-30T06:03:56+00:00), before the report: assigned (dated 2009-10-26)"},{"type":"delegated_after","url":"https://ftp.arin.net/pub/stats/arin/archive/2015/delegated-arin-extended-20151202.gz","retrieved_at":"2026-10-12T21:02:31+00:00","summary":"ARIN delegated statistics 2015-12-02 (produced 2015-12-02T06:05:11+00:00), after the report: reserved"}]}],"classification_history":{"8fed45df57ba3e0f":[{"raw_change_id":149906,"classification_code":"APPARENT_REISSUANCE","confidence":"STRONG_INFERENCE","classifier_version":"1.3.0","classified_at":"2026-10-13T03:38:41+00:00","current":0,"public_explanation":"No transfer record matches. ARIN's statistics show it reserved on 2017-07-10 and assigned (dated 2017-07-11) on 2017-07-12. The tracker saw this range removed from registration on 2015-12-01 (AS12100), so it appears to have been issued again from ARIN's pool."},{"raw_change_id":149906,"classification_code":"APPARENT_REISSUANCE","confidence":"STRONG_INFERENCE","classifier_version":"1.3.1","classified_at":"2026-10-13T08:06:03+00:00","current":0,"public_explanation":"No transfer record matches. ARIN's statistics show it reserved on 2017-07-10 and assigned (dated 2017-07-11) on 2017-07-12. The tracker saw this range removed from registration on 2015-12-01 (AS12100), so it appears to have been issued again from ARIN's pool."},{"raw_change_id":149906,"classification_code":"APPARENT_REISSUANCE","confidence":"STRONG_INFERENCE","classifier_version":"1.3.2","classified_at":"2026-10-13T14:48:42+00:00","current":0,"public_explanation":"No transfer record matches. ARIN's statistics show it reserved on 2017-07-10 and assigned (dated 2017-07-11) on 2017-07-12. The tracker saw this range removed from registration on 2015-12-01 (AS12100), so it appears to have been issued again from ARIN's pool."},{"raw_change_id":149906,"classification_code":"APPARENT_REISSUANCE","confidence":"STRONG_INFERENCE","classifier_version":"1.4.0","classified_at":"2026-10-13T23:51:49+00:00","current":1,"public_explanation":"No transfer record matches. ARIN's statistics show it reserved on 2017-07-10 and assigned (dated 2017-07-11) on 2017-07-12. The tracker saw this range removed from registration on 2015-12-01 (AS12100), so it appears to have been issued again from ARIN's pool."}],"a6e3a7a2915991c3":[{"raw_change_id":149904,"classification_code":"POOL_RECORD_CHANGE","confidence":"STRONG_INFERENCE","classifier_version":"1.3.0","classified_at":"2026-10-13T03:38:41+00:00","current":0,"public_explanation":"ARIN's statistics show it reserved on 2017-07-10 and assigned (dated 2017-07-11) on 2017-07-12. ARIN removed its own pool record for this range as part of issuing it: the same report adds AS12100. The issuance is explained on that line."},{"raw_change_id":149904,"classification_code":"POOL_RECORD_CHANGE","confidence":"STRONG_INFERENCE","classifier_version":"1.3.1","classified_at":"2026-10-13T08:06:03+00:00","current":0,"public_explanation":"ARIN's statistics show it reserved on 2017-07-10 and assigned (dated 2017-07-11) on 2017-07-12. ARIN removed its own pool record for this range as part of issuing it: the same report adds AS12100. The issuance is explained on that line."},{"raw_change_id":149904,"classification_code":"POOL_RECORD_CHANGE","confidence":"STRONG_INFERENCE","classifier_version":"1.3.2","classified_at":"2026-10-13T14:48:42+00:00","current":0,"public_explanation":"ARIN's statistics show it reserved on 2017-07-10 and assigned (dated 2017-07-11) on 2017-07-12. ARIN removed its own pool record for this range as part of issuing it: the same report adds AS12100. The issuance is explained on that line."},{"raw_change_id":149904,"classification_code":"POOL_RECORD_CHANGE","confidence":"STRONG_INFERENCE","classifier_version":"1.4.0","classified_at":"2026-10-13T23:51:49+00:00","current":1,"public_explanation":"ARIN's statistics show it reserved on 2017-07-10 and assigned (dated 2017-07-11) on 2017-07-12. ARIN removed its own pool record for this range as part of issuing it: the same report adds AS12100. The issuance is explained on that line."}],"d12ec2c4ca9244bd":[{"raw_change_id":310858,"classification_code":"REMOVED_REASON_UNKNOWN","confidence":"STRONG_INFERENCE","classifier_version":"1.3.0","classified_at":"2026-10-13T05:00:42+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 assigned (dated 2009-10-26) on 2015-11-30 and reserved on 2015-12-02. 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 2016-06-01. This does not confirm availability."},{"raw_change_id":310858,"classification_code":"REMOVED_REASON_UNKNOWN","confidence":"STRONG_INFERENCE","classifier_version":"1.3.1","classified_at":"2026-10-13T08:14:06+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 2009-10-26) on 2015-11-30 and reserved on 2015-12-02. 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 2016-06-01. This does not confirm availability."},{"raw_change_id":310858,"classification_code":"REMOVED_REASON_UNKNOWN","confidence":"STRONG_INFERENCE","classifier_version":"1.3.2","classified_at":"2026-10-13T14:57:32+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 2009-10-26) on 2015-11-30 and reserved on 2015-12-02. 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 2016-06-01. This does not confirm availability."},{"raw_change_id":310858,"classification_code":"REMOVED_REASON_UNKNOWN","confidence":"STRONG_INFERENCE","classifier_version":"1.4.0","classified_at":"2026-10-14T00:01:31+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 2009-10-26) on 2015-11-30 and reserved on 2015-12-02. 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 2016-06-01. This does not confirm availability."}]},"arin_statistics_now":{"status":"assigned (dated 2017-07-11)"}}