{"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":"192.249.96.0/20","resource_type":"ipv4","page":"https://rirtracker.com/ip/192.249.96.0-192.249.111.255/","statistics_now":{"registry":"ARIN","status":"allocated (dated 2013-07-30)"},"current_holder":{"rir":"ARIN","org":"Vianet Inc.","how":"ARIN's latest statistics and the latest transfer record"},"rdap_snapshots":[],"transfers":[{"id":16852,"date":"2019-01-23T21:22:53Z","type":"MERGER_ACQUISITION","source_rir":"ARIN","recipient_rir":"ARIN","source_org":"Andrews Wireless Limited","recipient_org":"Vianet Inc.","range":"192.249.96.0/20","log":"ARIN"}],"events":[{"event_id":"5c8212a776f9abb3","registry":"ARIN","report_date":"2019-01-23","source":"transfers","raw_action":"TRANSFER","raw_line":null,"resource_type":"ipv4","resource":"192.249.96.0/20","start":"192.249.96.0","end":"192.249.111.255","classification":"MERGER_ACQUISITION","classification_label":"Merger/acquisition or reorganization","confidence":"CONFIRMED","source_rir":"ARIN","recipient_rir":"ARIN","source_organization":"Andrews Wireless Limited","recipient_organization":"Vianet Inc.","inventory_effect":"No effect on ARIN applicant inventory","inventory_effect_code":"NO_EFFECT","provisional":false,"classifier_version":"1.4.0","classified_at":"2026-10-14T00:18:43+00:00","page":"https://rirtracker.com/ip/192.249.96.0-192.249.111.255/#e-5c8212a776f9abb3","report_page":"https://rirtracker.com/arin/reports/2019-01-23/","evidence_url":"https://rirtracker.com/api/v1/resources/ip/192.249.96.0-192.249.111.255.json","observed":"Merger/acquisition: Andrews Wireless Limited (ARIN) to Vianet Inc. (ARIN)","explanation":"ARIN's transfer log records a merger, acquisition or reorganization from Andrews Wireless Limited (ARIN) to Vianet Inc. (ARIN) on 2019-01-23 21:22 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 2019-01-23 21:22 UTC, Andrews Wireless Limited (ARIN) to Vianet Inc. (ARIN); resources moved: 192.249.96.0/20"},{"type":"delegated_before","url":"https://ftp.arin.net/pub/stats/arin/archive/2019/delegated-arin-extended-20190122.gz","retrieved_at":"2026-10-12T21:59:10+00:00","summary":"ARIN delegated statistics 2019-01-22 (produced 2019-01-22T06:00:17+00:00), before the report: allocated (dated 2013-07-30)"},{"type":"delegated_after","url":"https://ftp.arin.net/pub/stats/arin/archive/2019/delegated-arin-extended-20190124.gz","retrieved_at":"2026-10-12T21:59:15+00:00","summary":"ARIN delegated statistics 2019-01-24 (produced 2019-01-24T06:00:15+00:00), after the report: allocated (dated 2013-07-30)"}]},{"event_id":"c5088a871ed49487","registry":"ARIN","report_date":"2013-07-30","source":"arin_issued","raw_action":"ADD","raw_line":"Add 192.249.96.0-192.249.111.255","resource_type":"ipv4","resource":"192.249.96.0/20","start":"192.249.96.0","end":"192.249.111.255","classification":"NO_MATERIAL_CHANGE","classification_label":"No substantive resource change found","confidence":"STRONG_INFERENCE","source_rir":null,"recipient_rir":null,"source_organization":null,"recipient_organization":null,"inventory_effect":"No effect on ARIN applicant inventory","inventory_effect_code":"NO_EFFECT","provisional":false,"classifier_version":"1.4.0","classified_at":"2026-10-13T23:51:07+00:00","page":"https://rirtracker.com/ip/192.249.96.0-192.249.111.255/#e-c5088a871ed49487","report_page":"https://rirtracker.com/arin/reports/2013-07-30/","evidence_url":"https://rirtracker.com/api/v1/resources/ip/192.249.96.0-192.249.111.255.json","explanation":"No transfer record matches, and ARIN's statistics show no active registration before or after (available).","evidence":[{"type":"arin_issued","url":"https://lists.arin.net/pipermail/arin-issued/2013-July/001692.html","retrieved_at":"2026-10-12T18:38:01+00:00","summary":"ARIN-Issued report for 2013-07-30: \"Add 192.249.96.0-192.249.111.255\""},{"type":"delegated_before","url":"https://ftp.arin.net/pub/stats/arin/archive/2013/delegated-arin-extended-20130729.gz","retrieved_at":"2026-10-12T20:02:26+00:00","summary":"ARIN delegated statistics 2013-07-29 (produced 2013-07-29T05:05:34+00:00), before the report: available"},{"type":"delegated_after","url":"https://ftp.arin.net/pub/stats/arin/archive/2013/delegated-arin-extended-20130731.gz","retrieved_at":"2026-10-12T20:02:31+00:00","summary":"ARIN delegated statistics 2013-07-31 (produced 2013-07-30T05:05:26+00:00), after the report: available"}]}],"classification_history":{"5c8212a776f9abb3":[{"raw_change_id":557875,"classification_code":"MERGER_ACQUISITION","confidence":"CONFIRMED","classifier_version":"1.4.0","classified_at":"2026-10-14T00:18:43+00:00","current":1,"public_explanation":"ARIN's transfer log records a merger, acquisition or reorganization from Andrews Wireless Limited (ARIN) to Vianet Inc. (ARIN) on 2019-01-23 21:22 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."}],"c5088a871ed49487":[{"raw_change_id":129823,"classification_code":"NO_MATERIAL_CHANGE","confidence":"STRONG_INFERENCE","classifier_version":"1.3.0","classified_at":"2026-10-13T03:21:45+00:00","current":0,"public_explanation":"No transfer record matches, and ARIN's statistics show no active registration before or after (available)."},{"raw_change_id":129823,"classification_code":"NO_MATERIAL_CHANGE","confidence":"STRONG_INFERENCE","classifier_version":"1.3.1","classified_at":"2026-10-13T08:05:30+00:00","current":0,"public_explanation":"No transfer record matches, and ARIN's statistics show no active registration before or after (available)."},{"raw_change_id":129823,"classification_code":"NO_MATERIAL_CHANGE","confidence":"STRONG_INFERENCE","classifier_version":"1.3.2","classified_at":"2026-10-13T14:48:05+00:00","current":0,"public_explanation":"No transfer record matches, and ARIN's statistics show no active registration before or after (available)."},{"raw_change_id":129823,"classification_code":"NO_MATERIAL_CHANGE","confidence":"STRONG_INFERENCE","classifier_version":"1.4.0","classified_at":"2026-10-13T23:51:07+00:00","current":1,"public_explanation":"No transfer record matches, and ARIN's statistics show no active registration before or after (available)."}]},"arin_statistics_now":{"status":"allocated (dated 2013-07-30)"}}