{"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":"198.57.16.0 - 198.57.25.255","resource_type":"ipv4","page":"https://rirtracker.com/ip/198.57.16.0-198.57.25.255/","statistics_now":{"registry":"ARIN","status":"allocated (dated 1993-02-05)"},"current_holder":{"rir":"ARIN","org":"Sprint Communications, Inc.","how":"ARIN's latest statistics and the latest transfer record"},"rdap_snapshots":[],"transfers":[{"id":22402,"date":"2020-12-31T20:17:58Z","type":"MERGER_ACQUISITION","source_rir":"ARIN","recipient_rir":"ARIN","source_org":"Sprint Communications, Inc.","recipient_org":"T-Mobile USA, Inc.","range":"198.57.16.0/21","log":"ARIN"},{"id":22403,"date":"2020-12-31T20:17:58Z","type":"MERGER_ACQUISITION","source_rir":"ARIN","recipient_rir":"ARIN","source_org":"Sprint Communications, Inc.","recipient_org":"T-Mobile USA, Inc.","range":"198.57.24.0/23","log":"ARIN"},{"id":5914,"date":"2015-08-13T18:00:45Z","type":"MERGER_ACQUISITION","source_rir":"ARIN","recipient_rir":"ARIN","source_org":"Nextel Communications, Inc.","recipient_org":"Sprint Communications, Inc.","range":"198.57.16.0 - 198.57.25.255","log":"ARIN"}],"events":[{"event_id":"3a84c4d7e1fb73e7","registry":"ARIN","report_date":"2015-08-13","source":"transfers","raw_action":"TRANSFER","raw_line":null,"resource_type":"ipv4","resource":"198.57.16.0 - 198.57.25.255","start":"198.57.16.0","end":"198.57.25.255","classification":"MERGER_ACQUISITION","classification_label":"Merger/acquisition or reorganization","confidence":"CONFIRMED","source_rir":"ARIN","recipient_rir":"ARIN","source_organization":"Nextel Communications, Inc.","recipient_organization":"Sprint Communications, Inc.","inventory_effect":"No effect on ARIN applicant inventory","inventory_effect_code":"NO_EFFECT","provisional":false,"classifier_version":"1.4.0","classified_at":"2026-10-14T00:18:23+00:00","page":"https://rirtracker.com/ip/198.57.16.0-198.57.25.255/#e-3a84c4d7e1fb73e7","report_page":"https://rirtracker.com/arin/reports/2015-08-13/","evidence_url":"https://rirtracker.com/api/v1/resources/ip/198.57.16.0-198.57.25.255.json","observed":"Merger/acquisition: Nextel Communications, Inc. (ARIN) to Sprint Communications, Inc. (ARIN)","explanation":"ARIN's transfer log records a merger, acquisition or reorganization from Nextel Communications, Inc. (ARIN) to Sprint Communications, Inc. (ARIN) on 2015-08-13 18:00 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 2015-08-13 18:00 UTC, Nextel Communications, Inc. (ARIN) to Sprint Communications, Inc. (ARIN); resources moved: 198.57.16.0 - 198.57.25.255"},{"type":"delegated_before","url":"https://ftp.arin.net/pub/stats/arin/archive/2015/delegated-arin-extended-20150812.gz","retrieved_at":"2026-10-12T20:56:58+00:00","summary":"ARIN delegated statistics 2015-08-12 (produced 2015-08-12T05:05:26+00:00), before the report: allocated (dated 1993-02-05)"},{"type":"delegated_after","url":"https://ftp.arin.net/pub/stats/arin/archive/2015/delegated-arin-extended-20150814.gz","retrieved_at":"2026-10-12T20:57:03+00:00","summary":"ARIN delegated statistics 2015-08-14 (produced 2015-08-14T05:05:26+00:00), after the report: allocated (dated 1993-02-05)"}]}],"classification_history":{"3a84c4d7e1fb73e7":[{"raw_change_id":549478,"classification_code":"MERGER_ACQUISITION","confidence":"CONFIRMED","classifier_version":"1.4.0","classified_at":"2026-10-14T00:18:23+00:00","current":1,"public_explanation":"ARIN's transfer log records a merger, acquisition or reorganization from Nextel Communications, Inc. (ARIN) to Sprint Communications, Inc. (ARIN) on 2015-08-13 18:00 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 1993-02-05)"}}