{"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":"216.251.192.0/20","resource_type":"ipv4","page":"https://rirtracker.com/ip/216.251.192.0-216.251.207.255/","statistics_now":{"registry":"ARIN","status":"allocated (dated 2010-06-08)"},"current_holder":{"rir":"ARIN","org":"StarVision, Inc.","how":"ARIN's latest statistics and the latest transfer record"},"rdap_snapshots":[],"transfers":[{"id":12961,"date":"2018-04-24T15:20:55Z","type":"MERGER_ACQUISITION","source_rir":"ARIN","recipient_rir":"ARIN","source_org":"Star Wireless, Inc.","recipient_org":"StarVision, Inc.","range":"216.251.192.0/20","log":"ARIN"}],"events":[{"event_id":"6a430de97ab28c2f","registry":"ARIN","report_date":"2018-04-24","source":"transfers","raw_action":"TRANSFER","raw_line":null,"resource_type":"ipv4","resource":"216.251.192.0/20","start":"216.251.192.0","end":"216.251.207.255","classification":"MERGER_ACQUISITION","classification_label":"Merger/acquisition or reorganization","confidence":"CONFIRMED","source_rir":"ARIN","recipient_rir":"ARIN","source_organization":"Star Wireless, Inc.","recipient_organization":"StarVision, Inc.","inventory_effect":"No effect on ARIN applicant inventory","inventory_effect_code":"NO_EFFECT","provisional":false,"classifier_version":"1.4.0","classified_at":"2026-10-14T00:18:35+00:00","page":"https://rirtracker.com/ip/216.251.192.0-216.251.207.255/#e-6a430de97ab28c2f","report_page":"https://rirtracker.com/arin/reports/2018-04-24/","evidence_url":"https://rirtracker.com/api/v1/resources/ip/216.251.192.0-216.251.207.255.json","observed":"Merger/acquisition: Star Wireless, Inc. (ARIN) to StarVision, Inc. (ARIN)","explanation":"ARIN's transfer log records a merger, acquisition or reorganization from Star Wireless, Inc. (ARIN) to StarVision, Inc. (ARIN) on 2018-04-24 15:20 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 2018-04-24 15:20 UTC, Star Wireless, Inc. (ARIN) to StarVision, Inc. (ARIN); resources moved: 216.251.192.0/20"},{"type":"delegated_before","url":"https://ftp.arin.net/pub/stats/arin/archive/2018/delegated-arin-extended-20180423.gz","retrieved_at":"2026-10-12T21:45:08+00:00","summary":"ARIN delegated statistics 2018-04-23 (produced 2018-04-23T05:10:50+00:00), before the report: allocated (dated 2010-06-08)"},{"type":"delegated_after","url":"https://ftp.arin.net/pub/stats/arin/archive/2018/delegated-arin-extended-20180425.gz","retrieved_at":"2026-10-12T21:45:13+00:00","summary":"ARIN delegated statistics 2018-04-25 (produced 2018-04-25T05:11:49+00:00), after the report: allocated (dated 2010-06-08)"}]},{"event_id":"645cd094d605782a","registry":"ARIN","report_date":"2010-06-08","source":"arin_issued","raw_action":"ADD","raw_line":"Add 216.251.192.0-216.251.207.255","resource_type":"ipv4","resource":"216.251.192.0/20","start":"216.251.192.0","end":"216.251.207.255","classification":"APPARENT_NEW_ISSUANCE","classification_label":"Apparent new issuance","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":"2026-10-13T23:50:49+00:00","page":"https://rirtracker.com/ip/216.251.192.0-216.251.207.255/#e-645cd094d605782a","report_page":"https://rirtracker.com/arin/reports/2010-06-08/","evidence_url":"https://rirtracker.com/api/v1/resources/ip/216.251.192.0-216.251.207.255.json","explanation":"No transfer record matches. ARIN's statistics show it not issued on 2010-06-07 and allocated (dated 2010-06-08) on 2010-06-09. (Until 2013-03-05, ARIN's statistics list only what's issued.) It moved from ARIN's unissued pool to an active registration dated around the report, so it appears to be newly issued by ARIN.","evidence":[{"type":"arin_issued","url":"https://lists.arin.net/pipermail/arin-issued/2010-June/000539.html","retrieved_at":"2026-10-12T18:36:43+00:00","summary":"ARIN-Issued report for 2010-06-08: \"Add 216.251.192.0-216.251.207.255\""},{"type":"delegated_before","url":"https://ftp.arin.net/pub/stats/arin/archive/2010/delegated-arin-20100607.gz","retrieved_at":"2026-10-12T19:06:10+00:00","summary":"ARIN delegated statistics 2010-06-07, before the report: not issued"},{"type":"delegated_after","url":"https://ftp.arin.net/pub/stats/arin/archive/2010/delegated-arin-20100609.gz","retrieved_at":"2026-10-12T19:06:15+00:00","summary":"ARIN delegated statistics 2010-06-09, after the report: allocated (dated 2010-06-08)"}]},{"event_id":"537af0de0bc9e71d","registry":"ARIN","report_date":"2010-04-13","source":"arin_issued","raw_action":"REMOVE","raw_line":"Remove 216.251.192.0-216.251.207.255","resource_type":"ipv4","resource":"216.251.192.0/20","start":"216.251.192.0","end":"216.251.207.255","classification":"UNRESOLVED","classification_label":"Unresolved change","confidence":"OBSERVED_ONLY","source_rir":null,"recipient_rir":null,"source_organization":null,"recipient_organization":null,"inventory_effect":"Inventory effect unknown","inventory_effect_code":"UNKNOWN","provisional":false,"classifier_version":"1.4.0","classified_at":"2026-10-13T23:50:48+00:00","page":"https://rirtracker.com/ip/216.251.192.0-216.251.207.255/#e-537af0de0bc9e71d","report_page":"https://rirtracker.com/arin/reports/2010-04-13/","evidence_url":"https://rirtracker.com/api/v1/resources/ip/216.251.192.0-216.251.207.255.json","explanation":"ARIN-Issued says \"Remove\", but ARIN's statistics show it not issued on 2010-04-12 and not issued on 2010-04-14. (Until 2013-03-05, ARIN's statistics list only what's issued.) The registry's pool records from that time aren't public, so the tracker can't tell what was removed.","evidence":[{"type":"arin_issued","url":"https://lists.arin.net/pipermail/arin-issued/2010-April/000483.html","retrieved_at":"2026-10-12T18:36:38+00:00","summary":"ARIN-Issued report for 2010-04-13: \"Remove 216.251.192.0-216.251.207.255\""},{"type":"delegated_before","url":"https://ftp.arin.net/pub/stats/arin/archive/2010/delegated-arin-20100412.gz","retrieved_at":"2026-10-12T19:03:50+00:00","summary":"ARIN delegated statistics 2010-04-12, before the report: not issued"},{"type":"delegated_after","url":"https://ftp.arin.net/pub/stats/arin/archive/2010/delegated-arin-20100414.gz","retrieved_at":"2026-10-12T19:03:54+00:00","summary":"ARIN delegated statistics 2010-04-14, after the report: not issued"}]}],"classification_history":{"6a430de97ab28c2f":[{"raw_change_id":554506,"classification_code":"MERGER_ACQUISITION","confidence":"CONFIRMED","classifier_version":"1.4.0","classified_at":"2026-10-14T00:18:35+00:00","current":1,"public_explanation":"ARIN's transfer log records a merger, acquisition or reorganization from Star Wireless, Inc. (ARIN) to StarVision, Inc. (ARIN) on 2018-04-24 15:20 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."}],"645cd094d605782a":[{"raw_change_id":121406,"classification_code":"APPARENT_REISSUANCE","confidence":"STRONG_INFERENCE","classifier_version":"1.3.0","classified_at":"2026-10-13T03:12:14+00:00","current":0,"public_explanation":"No transfer record matches. ARIN's statistics show it not issued on 2010-06-07 and allocated (dated 2010-06-08) on 2010-06-09. (Until 2013-03-05, ARIN's statistics list only what's issued.) The tracker saw this range released from hold on 2010-04-13 (216.251.192.0-216.251.207.255), so it appears to have been issued again from ARIN's pool."},{"raw_change_id":121406,"classification_code":"APPARENT_REISSUANCE","confidence":"STRONG_INFERENCE","classifier_version":"1.3.1","classified_at":"2026-10-13T08:05:16+00:00","current":0,"public_explanation":"No transfer record matches. ARIN's statistics show it not issued on 2010-06-07 and allocated (dated 2010-06-08) on 2010-06-09. (Until 2013-03-05, ARIN's statistics list only what's issued.) The tracker saw this range released from hold on 2010-04-13 (216.251.192.0-216.251.207.255), so it appears to have been issued again from ARIN's pool."},{"raw_change_id":121406,"classification_code":"APPARENT_REISSUANCE","confidence":"STRONG_INFERENCE","classifier_version":"1.3.2","classified_at":"2026-10-13T14:47:50+00:00","current":0,"public_explanation":"No transfer record matches. ARIN's statistics show it not issued on 2010-06-07 and allocated (dated 2010-06-08) on 2010-06-09. (Until 2013-03-05, ARIN's statistics list only what's issued.) The tracker saw this range released from hold on 2010-04-13 (216.251.192.0-216.251.207.255), so it appears to have been issued again from ARIN's pool."},{"raw_change_id":121406,"classification_code":"APPARENT_NEW_ISSUANCE","confidence":"STRONG_INFERENCE","classifier_version":"1.4.0","classified_at":"2026-10-13T23:50:49+00:00","current":1,"public_explanation":"No transfer record matches. ARIN's statistics show it not issued on 2010-06-07 and allocated (dated 2010-06-08) on 2010-06-09. (Until 2013-03-05, ARIN's statistics list only what's issued.) It moved from ARIN's unissued pool to an active registration dated around the report, so it appears to be newly issued by ARIN."}],"537af0de0bc9e71d":[{"raw_change_id":121159,"classification_code":"UNRESOLVED","confidence":"OBSERVED_ONLY","classifier_version":"1.3.0","classified_at":"2026-10-13T03:12:01+00:00","current":0,"public_explanation":"ARIN-Issued says \"Remove\", but ARIN's statistics show it not issued on 2010-04-12 and not issued on 2010-04-14. (Until 2013-03-05, ARIN's statistics list only what's issued.) The registry's pool records from that time aren't public, so the tracker can't tell what was removed."},{"raw_change_id":121159,"classification_code":"UNRESOLVED","confidence":"OBSERVED_ONLY","classifier_version":"1.3.1","classified_at":"2026-10-13T08:05:16+00:00","current":0,"public_explanation":"ARIN-Issued says \"Remove\", but ARIN's statistics show it not issued on 2010-04-12 and not issued on 2010-04-14. (Until 2013-03-05, ARIN's statistics list only what's issued.) The registry's pool records from that time aren't public, so the tracker can't tell what was removed."},{"raw_change_id":121159,"classification_code":"UNRESOLVED","confidence":"OBSERVED_ONLY","classifier_version":"1.3.2","classified_at":"2026-10-13T14:47:49+00:00","current":0,"public_explanation":"ARIN-Issued says \"Remove\", but ARIN's statistics show it not issued on 2010-04-12 and not issued on 2010-04-14. (Until 2013-03-05, ARIN's statistics list only what's issued.) The registry's pool records from that time aren't public, so the tracker can't tell what was removed."},{"raw_change_id":121159,"classification_code":"UNRESOLVED","confidence":"OBSERVED_ONLY","classifier_version":"1.4.0","classified_at":"2026-10-13T23:50:48+00:00","current":1,"public_explanation":"ARIN-Issued says \"Remove\", but ARIN's statistics show it not issued on 2010-04-12 and not issued on 2010-04-14. (Until 2013-03-05, ARIN's statistics list only what's issued.) The registry's pool records from that time aren't public, so the tracker can't tell what was removed."}]},"arin_statistics_now":{"status":"allocated (dated 2010-06-08)"}}