{"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":"216.146.16.0/22","resource_type":"ipv4","page":"https://rirtracker.com/ip/216.146.16.0-216.146.19.255/","statistics_now":{"registry":"ARIN","status":"allocated (dated 2022-04-11)"},"current_holder":{"rir":"ARIN","org":"Core Transit LLC","how":"ARIN's latest statistics and the latest transfer record"},"rdap_snapshots":[],"transfers":[{"id":45716,"date":"2026-09-28T19:02:04Z","type":"MERGER_ACQUISITION","source_rir":"ARIN","recipient_rir":"ARIN","source_org":"Full Span Solutions LLC","recipient_org":"Core Transit LLC","range":"216.146.16.0/22","log":"ARIN"}],"events":[{"event_id":"1bcd6e8cfa871db5","registry":"ARIN","report_date":"2026-09-28","source":"transfers","raw_action":"TRANSFER","raw_line":null,"resource_type":"ipv4","resource":"216.146.16.0/22","start":"216.146.16.0","end":"216.146.19.255","classification":"MERGER_ACQUISITION","classification_label":"Merger/acquisition or reorganization","confidence":"CONFIRMED","source_rir":"ARIN","recipient_rir":"ARIN","source_organization":"Full Span Solutions LLC","recipient_organization":"Core Transit LLC","inventory_effect":"No effect on ARIN applicant inventory","inventory_effect_code":"NO_EFFECT","provisional":false,"classifier_version":"1.4.0","classified_at":"2026-10-14T00:19:31+00:00","page":"https://rirtracker.com/ip/216.146.16.0-216.146.19.255/#e-1bcd6e8cfa871db5","report_page":"https://rirtracker.com/arin/reports/2026-09-28/","evidence_url":"https://rirtracker.com/api/v1/resources/ip/216.146.16.0-216.146.19.255.json","observed":"Merger/acquisition: Full Span Solutions LLC (ARIN) to Core Transit LLC (ARIN)","explanation":"ARIN's transfer log records a merger, acquisition or reorganization from Full Span Solutions LLC (ARIN) to Core Transit LLC (ARIN) on 2026-09-28 19:02 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 2026-09-28 19:02 UTC, Full Span Solutions LLC (ARIN) to Core Transit LLC (ARIN); resources moved: 216.146.16.0/22"},{"type":"delegated_before","url":"https://ftp.arin.net/pub/stats/arin/delegated-arin-extended-20260927","retrieved_at":"2026-10-09T19:08:17+00:00","summary":"ARIN delegated statistics 2026-09-27 (produced 2026-09-27T13:00:21+00:00), before the report: allocated (dated 2022-04-11)"},{"type":"delegated_after","url":"https://ftp.arin.net/pub/stats/arin/delegated-arin-extended-20260929","retrieved_at":"2026-10-09T19:08:23+00:00","summary":"ARIN delegated statistics 2026-09-29 (produced 2026-09-29T13:00:20+00:00), after the report: allocated (dated 2022-04-11)"}]},{"event_id":"a48e44a514aabe0f","registry":"ARIN","report_date":"2022-04-11","source":"arin_issued","raw_action":"ADD","raw_line":"Add 216.146.16.0-216.146.19.255","resource_type":"ipv4","resource":"216.146.16.0/22","start":"216.146.16.0","end":"216.146.19.255","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":"2026-10-13T23:53:22+00:00","page":"https://rirtracker.com/ip/216.146.16.0-216.146.19.255/#e-a48e44a514aabe0f","report_page":"https://rirtracker.com/arin/reports/2022-04-11/","evidence_url":"https://rirtracker.com/api/v1/resources/ip/216.146.16.0-216.146.19.255.json","explanation":"No transfer record matches. ARIN's statistics show it reserved on 2022-04-10 and allocated (dated 2022-04-11) on 2022-04-12. The tracker saw this range removed from registration on 2012-07-16 (216.146.0.0/19), 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-April/004868.html","retrieved_at":"2026-10-12T18:41:43+00:00","summary":"ARIN-Issued report for 2022-04-11: \"Add 216.146.16.0-216.146.19.255\""},{"type":"delegated_before","url":"https://ftp.arin.net/pub/stats/arin/archive/2022/delegated-arin-extended-20220410.gz","retrieved_at":"2026-10-12T22:59:44+00:00","summary":"ARIN delegated statistics 2022-04-10 (produced 2022-04-10T13:00:10+00:00), before the report: reserved"},{"type":"delegated_after","url":"https://ftp.arin.net/pub/stats/arin/archive/2022/delegated-arin-extended-20220412.gz","retrieved_at":"2026-10-12T22:59:48+00:00","summary":"ARIN delegated statistics 2022-04-12 (produced 2022-04-12T13:00:10+00:00), after the report: allocated (dated 2022-04-11)"}]}],"classification_history":{"1bcd6e8cfa871db5":[{"raw_change_id":577400,"classification_code":"MERGER_ACQUISITION","confidence":"CONFIRMED","classifier_version":"1.4.0","classified_at":"2026-10-14T00:19:31+00:00","current":1,"public_explanation":"ARIN's transfer log records a merger, acquisition or reorganization from Full Span Solutions LLC (ARIN) to Core Transit LLC (ARIN) on 2026-09-28 19:02 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."}],"a48e44a514aabe0f":[{"raw_change_id":175999,"classification_code":"APPARENT_REISSUANCE","confidence":"STRONG_INFERENCE","classifier_version":"1.3.0","classified_at":"2026-10-13T03:55:40+00:00","current":0,"public_explanation":"No transfer record matches. ARIN's statistics show it reserved on 2022-04-10 and allocated (dated 2022-04-11) on 2022-04-12. The tracker saw this range removed from registration on 2012-07-16 (216.146.0.0/19), so it appears to have been issued again from ARIN's pool."},{"raw_change_id":175999,"classification_code":"APPARENT_REISSUANCE","confidence":"STRONG_INFERENCE","classifier_version":"1.3.1","classified_at":"2026-10-13T08:07:12+00:00","current":0,"public_explanation":"No transfer record matches. ARIN's statistics show it reserved on 2022-04-10 and allocated (dated 2022-04-11) on 2022-04-12. The tracker saw this range removed from registration on 2012-07-16 (216.146.0.0/19), so it appears to have been issued again from ARIN's pool."},{"raw_change_id":175999,"classification_code":"APPARENT_REISSUANCE","confidence":"STRONG_INFERENCE","classifier_version":"1.3.2","classified_at":"2026-10-13T14:50:00+00:00","current":0,"public_explanation":"No transfer record matches. ARIN's statistics show it reserved on 2022-04-10 and allocated (dated 2022-04-11) on 2022-04-12. The tracker saw this range removed from registration on 2012-07-16 (216.146.0.0/19), so it appears to have been issued again from ARIN's pool."},{"raw_change_id":175999,"classification_code":"APPARENT_REISSUANCE","confidence":"STRONG_INFERENCE","classifier_version":"1.4.0","classified_at":"2026-10-13T23:53:22+00:00","current":1,"public_explanation":"No transfer record matches. ARIN's statistics show it reserved on 2022-04-10 and allocated (dated 2022-04-11) on 2022-04-12. The tracker saw this range removed from registration on 2012-07-16 (216.146.0.0/19), so it appears to have been issued again from ARIN's pool."}]},"arin_statistics_now":{"status":"allocated (dated 2022-04-11)"}}