{"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":"199.89.8.0/21","resource_type":"ipv4","page":"https://rirtracker.com/ip/199.89.8.0-199.89.15.255/","statistics_now":{"registry":"ARIN","status":"allocated (dated 2024-04-15)"},"current_holder":{"rir":"ARIN","org":"Alpine Communications L.C.","how":"ARIN's latest statistics and the latest transfer record"},"rdap_snapshots":[],"transfers":[{"id":35260,"date":"2024-04-15T13:02:09Z","type":"RESOURCE_TRANSFER","source_rir":"ARIN","recipient_rir":"ARIN","source_org":"Tribune Publishing Company, LLC","recipient_org":"Alpine Communications L.C.","range":"199.89.8.0/21","log":"ARIN"},{"id":34170,"date":"2024-01-19T22:32:11Z","type":"MERGER_ACQUISITION","source_rir":"ARIN","recipient_rir":"ARIN","source_org":"San Diego Union-Tribune","recipient_org":"Tribune Publishing Company, LLC","range":"199.89.8.0/21","log":"ARIN"}],"events":[{"event_id":"e1c268c009bbbb79","registry":"ARIN","report_date":"2024-04-15","source":"arin_issued","raw_action":"ADD","raw_line":"Add 199.89.8.0-199.89.15.255","resource_type":"ipv4","resource":"199.89.8.0/21","start":"199.89.8.0","end":"199.89.15.255","classification":"INTRA_RIR_TRANSFER","classification_label":"Intra-ARIN transfer","confidence":"CONFIRMED","source_rir":"ARIN","recipient_rir":"ARIN","source_organization":"Tribune Publishing Company, LLC","recipient_organization":"Alpine Communications L.C.","inventory_effect":"No effect on ARIN applicant inventory","inventory_effect_code":"NO_EFFECT","provisional":false,"classifier_version":"1.4.0","classified_at":"2026-10-13T23:54:03+00:00","page":"https://rirtracker.com/ip/199.89.8.0-199.89.15.255/#e-e1c268c009bbbb79","report_page":"https://rirtracker.com/arin/reports/2024-04-15/","evidence_url":"https://rirtracker.com/api/v1/resources/ip/199.89.8.0-199.89.15.255.json","explanation":"ARIN's transfer log records a transfer from Tribune Publishing Company, LLC (ARIN) to Alpine Communications L.C. (ARIN) on 2024-04-15 13:02 UTC. ARIN-Issued lists it as \"Add\" because the registration changed hands; it is not a new allocation from ARIN.","evidence":[{"type":"arin_issued","url":"https://lists.arin.net/pipermail/arin-issued/2024-April/005603.html","retrieved_at":"2026-10-12T18:42:33+00:00","summary":"ARIN-Issued report for 2024-04-15: \"Add 199.89.8.0-199.89.15.255\""},{"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: RESOURCE_TRANSFER on 2024-04-15 13:02 UTC, Tribune Publishing Company, LLC (ARIN) to Alpine Communications L.C. (ARIN); resources moved: 199.89.8.0/21"},{"type":"delegated_before","url":"https://ftp.arin.net/pub/stats/arin/archive/2024/delegated-arin-extended-20240414.gz","retrieved_at":"2026-10-12T23:38:23+00:00","summary":"ARIN delegated statistics 2024-04-14 (produced 2024-04-14T13:00:48+00:00), before the report: allocated (dated 1993-12-29)"},{"type":"delegated_after","url":"https://ftp.arin.net/pub/stats/arin/archive/2024/delegated-arin-extended-20240416.gz","retrieved_at":"2026-10-12T23:38:28+00:00","summary":"ARIN delegated statistics 2024-04-16 (produced 2024-04-16T13:00:48+00:00), after the report: allocated (dated 2024-04-15)"}]},{"event_id":"a0185e594268fbf6","registry":"ARIN","report_date":"2024-01-19","source":"transfers","raw_action":"TRANSFER","raw_line":null,"resource_type":"ipv4","resource":"199.89.8.0/21","start":"199.89.8.0","end":"199.89.15.255","classification":"MERGER_ACQUISITION","classification_label":"Merger/acquisition or reorganization","confidence":"CONFIRMED","source_rir":"ARIN","recipient_rir":"ARIN","source_organization":"San Diego Union-Tribune","recipient_organization":"Tribune Publishing Company, LLC","inventory_effect":"No effect on ARIN applicant inventory","inventory_effect_code":"NO_EFFECT","provisional":false,"classifier_version":"1.4.0","classified_at":"2026-10-14T00:19:12+00:00","page":"https://rirtracker.com/ip/199.89.8.0-199.89.15.255/#e-a0185e594268fbf6","report_page":"https://rirtracker.com/arin/reports/2024-01-19/","evidence_url":"https://rirtracker.com/api/v1/resources/ip/199.89.8.0-199.89.15.255.json","observed":"Merger/acquisition: San Diego Union-Tribune (ARIN) to Tribune Publishing Company, LLC (ARIN)","explanation":"ARIN's transfer log records a merger, acquisition or reorganization from San Diego Union-Tribune (ARIN) to Tribune Publishing Company, LLC (ARIN) on 2024-01-19 22:32 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 2024-01-19 22:32 UTC, San Diego Union-Tribune (ARIN) to Tribune Publishing Company, LLC (ARIN); resources moved: 199.89.8.0/21"},{"type":"delegated_before","url":"https://ftp.arin.net/pub/stats/arin/archive/2024/delegated-arin-extended-20240118.gz","retrieved_at":"2026-10-12T23:33:44+00:00","summary":"ARIN delegated statistics 2024-01-18 (produced 2024-01-18T14:00:43+00:00), before the report: allocated (dated 1993-12-29)"},{"type":"delegated_after","url":"https://ftp.arin.net/pub/stats/arin/archive/2024/delegated-arin-extended-20240120.gz","retrieved_at":"2026-10-12T23:33:48+00:00","summary":"ARIN delegated statistics 2024-01-20 (produced 2024-01-20T14:00:45+00:00), after the report: allocated (dated 1993-12-29)"}]}],"classification_history":{"e1c268c009bbbb79":[{"raw_change_id":186781,"classification_code":"INTRA_RIR_TRANSFER","confidence":"CONFIRMED","classifier_version":"1.3.0","classified_at":"2026-10-13T04:01:58+00:00","current":0,"public_explanation":"ARIN's transfer log records a transfer from Tribune Publishing Company, LLC (ARIN) to Alpine Communications L.C. (ARIN) on 2024-04-15 13:02 UTC. ARIN-Issued lists it as \"Add\" because the registration changed hands; it is not a new allocation from ARIN."},{"raw_change_id":186781,"classification_code":"INTRA_RIR_TRANSFER","confidence":"CONFIRMED","classifier_version":"1.3.1","classified_at":"2026-10-13T08:07:42+00:00","current":0,"public_explanation":"ARIN's transfer log records a transfer from Tribune Publishing Company, LLC (ARIN) to Alpine Communications L.C. (ARIN) on 2024-04-15 13:02 UTC. ARIN-Issued lists it as \"Add\" because the registration changed hands; it is not a new allocation from ARIN."},{"raw_change_id":186781,"classification_code":"INTRA_RIR_TRANSFER","confidence":"CONFIRMED","classifier_version":"1.3.2","classified_at":"2026-10-13T14:50:33+00:00","current":0,"public_explanation":"ARIN's transfer log records a transfer from Tribune Publishing Company, LLC (ARIN) to Alpine Communications L.C. (ARIN) on 2024-04-15 13:02 UTC. ARIN-Issued lists it as \"Add\" because the registration changed hands; it is not a new allocation from ARIN."},{"raw_change_id":186781,"classification_code":"INTRA_RIR_TRANSFER","confidence":"CONFIRMED","classifier_version":"1.4.0","classified_at":"2026-10-13T23:54:03+00:00","current":1,"public_explanation":"ARIN's transfer log records a transfer from Tribune Publishing Company, LLC (ARIN) to Alpine Communications L.C. (ARIN) on 2024-04-15 13:02 UTC. ARIN-Issued lists it as \"Add\" because the registration changed hands; it is not a new allocation from ARIN."}],"a0185e594268fbf6":[{"raw_change_id":569962,"classification_code":"MERGER_ACQUISITION","confidence":"CONFIRMED","classifier_version":"1.4.0","classified_at":"2026-10-14T00:19:12+00:00","current":1,"public_explanation":"ARIN's transfer log records a merger, acquisition or reorganization from San Diego Union-Tribune (ARIN) to Tribune Publishing Company, LLC (ARIN) on 2024-01-19 22:32 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."}]},"arin_statistics_now":{"status":"allocated (dated 2024-04-15)"}}