{"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":"216.158.224.0/20","resource_type":"ipv4","page":"https://rirtracker.com/ip/216.158.224.0-216.158.239.255/","statistics_now":{"registry":"ARIN","status":"allocated (dated 2015-03-05)"},"current_holder":{"rir":"ARIN","org":null,"how":"ARIN's latest statistics"},"rdap_snapshots":[],"transfers":[],"events":[{"event_id":"a770de3a128d7edd","registry":"ARIN","report_date":"2015-03-05","source":"arin_issued","raw_action":"ADD","raw_line":"Add 216.158.224.0-216.158.239.255","resource_type":"ipv4","resource":"216.158.224.0/20","start":"216.158.224.0","end":"216.158.239.255","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":"2026-10-13T23:51:20+00:00","page":"https://rirtracker.com/ip/216.158.224.0-216.158.239.255/#e-a770de3a128d7edd","report_page":"https://rirtracker.com/arin/reports/2015-03-05/","evidence_url":"https://rirtracker.com/api/v1/resources/ip/216.158.224.0-216.158.239.255.json","explanation":"No transfer record matches. ARIN's statistics show it available on 2015-03-04 and allocated (dated 2015-03-05) on 2015-03-06. The tracker saw this range released from hold on 2015-02-20 (216.158.192.0-216.158.239.255), so it appears to have been issued again from ARIN's pool.","evidence":[{"type":"arin_issued","url":"https://lists.arin.net/pipermail/arin-issued/2015-March/002276.html","retrieved_at":"2026-10-12T18:38:43+00:00","summary":"ARIN-Issued report for 2015-03-05: \"Add 216.158.224.0-216.158.239.255\""},{"type":"delegated_before","url":"https://ftp.arin.net/pub/stats/arin/archive/2015/delegated-arin-extended-20150304.gz","retrieved_at":"2026-10-12T20:49:05+00:00","summary":"ARIN delegated statistics 2015-03-04 (produced 2015-03-04T06:05:32+00:00), before the report: available"},{"type":"delegated_after","url":"https://ftp.arin.net/pub/stats/arin/archive/2015/delegated-arin-extended-20150306.gz","retrieved_at":"2026-10-12T20:49:16+00:00","summary":"ARIN delegated statistics 2015-03-06 (produced 2015-03-06T06:05:17+00:00), after the report: allocated (dated 2015-03-05)"}]},{"event_id":"dbc75bbb4b62a6f2","registry":"ARIN","report_date":"2014-12-09","source":"statistics","raw_action":"NOT_IN_ARIN_ISSUED","raw_line":null,"resource_type":"ipv4","resource":"216.158.224.0/20","start":"216.158.224.0","end":"216.158.239.255","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":"2026-10-14T00:00:28+00:00","page":"https://rirtracker.com/ip/216.158.224.0-216.158.239.255/#e-dbc75bbb4b62a6f2","report_page":"https://rirtracker.com/arin/reports/2014-12-09/","evidence_url":"https://rirtracker.com/api/v1/resources/ip/216.158.224.0-216.158.239.255.json","observed":"216.158.224.0/20 allocated on 2014-12-09, reserved on 2014-12-10","hold":{"hold_rule_source_url":"https://www.arin.net/resources/guide/request/#reissuing-returned-revoked-and-reclaimed-resources","hold_rule_days":60,"estimated_hold_end":"2015-02-07","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 allocated (dated 2000-07-07) on 2014-12-08 and reserved on 2014-12-10. Public sources do not distinguish a voluntary return, revocation, or reclamation. ARIN holds returned, revoked and reclaimed IPv4 space for 60 days before reissuing it, so the estimated hold end is 2015-02-07. This does not confirm availability.","evidence":[{"type":"statistics_diff","url":"https://ftp.arin.net/pub/stats/arin/archive/2014/delegated-arin-extended-20141210.gz","retrieved_at":"2026-10-12T20:45:11+00:00","summary":"Not listed in ARIN-Issued; found by comparing ARIN's daily statistics: 216.158.224.0/20 allocated on 2014-12-09, reserved on 2014-12-10"},{"type":"delegated_before","url":"https://ftp.arin.net/pub/stats/arin/archive/2014/delegated-arin-extended-20141208.gz","retrieved_at":"2026-10-12T20:45:07+00:00","summary":"ARIN delegated statistics 2014-12-08 (produced 2014-12-08T06:05:15+00:00), before the report: allocated (dated 2000-07-07)"},{"type":"delegated_after","url":"https://ftp.arin.net/pub/stats/arin/archive/2014/delegated-arin-extended-20141210.gz","retrieved_at":"2026-10-12T20:45:11+00:00","summary":"ARIN delegated statistics 2014-12-10 (produced 2014-12-10T06:04:29+00:00), after the report: reserved"}]}],"classification_history":{"a770de3a128d7edd":[{"raw_change_id":136231,"classification_code":"APPARENT_REISSUANCE","confidence":"STRONG_INFERENCE","classifier_version":"1.3.0","classified_at":"2026-10-13T03:29:38+00:00","current":0,"public_explanation":"No transfer record matches. ARIN's statistics show it available on 2015-03-04 and allocated (dated 2015-03-05) on 2015-03-06. The tracker saw this range released from hold on 2015-02-20 (216.158.192.0-216.158.239.255), so it appears to have been issued again from ARIN's pool."},{"raw_change_id":136231,"classification_code":"APPARENT_REISSUANCE","confidence":"STRONG_INFERENCE","classifier_version":"1.3.1","classified_at":"2026-10-13T08:05:40+00:00","current":0,"public_explanation":"No transfer record matches. ARIN's statistics show it available on 2015-03-04 and allocated (dated 2015-03-05) on 2015-03-06. The tracker saw this range released from hold on 2015-02-20 (216.158.192.0-216.158.239.255), so it appears to have been issued again from ARIN's pool."},{"raw_change_id":136231,"classification_code":"APPARENT_REISSUANCE","confidence":"STRONG_INFERENCE","classifier_version":"1.3.2","classified_at":"2026-10-13T14:48:17+00:00","current":0,"public_explanation":"No transfer record matches. ARIN's statistics show it available on 2015-03-04 and allocated (dated 2015-03-05) on 2015-03-06. The tracker saw this range released from hold on 2015-02-20 (216.158.192.0-216.158.239.255), so it appears to have been issued again from ARIN's pool."},{"raw_change_id":136231,"classification_code":"APPARENT_REISSUANCE","confidence":"STRONG_INFERENCE","classifier_version":"1.4.0","classified_at":"2026-10-13T23:51:20+00:00","current":1,"public_explanation":"No transfer record matches. ARIN's statistics show it available on 2015-03-04 and allocated (dated 2015-03-05) on 2015-03-06. The tracker saw this range released from hold on 2015-02-20 (216.158.192.0-216.158.239.255), so it appears to have been issued again from ARIN's pool."}],"dbc75bbb4b62a6f2":[{"raw_change_id":294605,"classification_code":"REMOVED_REASON_UNKNOWN","confidence":"STRONG_INFERENCE","classifier_version":"1.3.0","classified_at":"2026-10-13T04:53:23+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 allocated (dated 2000-07-07) on 2014-12-08 and reserved on 2014-12-10. Public sources do not distinguish a voluntary return, revocation, or reclamation. ARIN holds returned, revoked and reclaimed IPv4 space for 60 days before reissuing it, so the earliest estimated hold expiration is 2015-02-07. This does not confirm availability."},{"raw_change_id":294605,"classification_code":"REMOVED_REASON_UNKNOWN","confidence":"STRONG_INFERENCE","classifier_version":"1.3.1","classified_at":"2026-10-13T08:13:12+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 allocated (dated 2000-07-07) on 2014-12-08 and reserved on 2014-12-10. Public sources do not distinguish a voluntary return, revocation, or reclamation. ARIN holds returned, revoked and reclaimed IPv4 space for 60 days before reissuing it, so the earliest estimated hold expiration is 2015-02-07. This does not confirm availability."},{"raw_change_id":294605,"classification_code":"REMOVED_REASON_UNKNOWN","confidence":"STRONG_INFERENCE","classifier_version":"1.3.2","classified_at":"2026-10-13T14:56:34+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 allocated (dated 2000-07-07) on 2014-12-08 and reserved on 2014-12-10. Public sources do not distinguish a voluntary return, revocation, or reclamation. ARIN holds returned, revoked and reclaimed IPv4 space for 60 days before reissuing it, so the earliest estimated hold expiration is 2015-02-07. This does not confirm availability."},{"raw_change_id":294605,"classification_code":"REMOVED_REASON_UNKNOWN","confidence":"STRONG_INFERENCE","classifier_version":"1.4.0","classified_at":"2026-10-14T00:00:28+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 allocated (dated 2000-07-07) on 2014-12-08 and reserved on 2014-12-10. Public sources do not distinguish a voluntary return, revocation, or reclamation. ARIN holds returned, revoked and reclaimed IPv4 space for 60 days before reissuing it, so the estimated hold end is 2015-02-07. This does not confirm availability."}]},"arin_statistics_now":{"status":"allocated (dated 2015-03-05)"}}