{"classifier_version":"1.0.0","generated":"2026-10-10T14:39:54+00:00","documentation":"https://rirtracker.com/api/","disclaimer":"This site independently analyzes publicly available Internet number-resource records. It is not affiliated with or endorsed by the American Registry for Internet Numbers (ARIN), the Number Resource Organization (NRO), or any 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":"198.235.16.0/24","resource_type":"ipv4","page":"https://rirtracker.com/ip/198.235.16.0-198.235.16.255/","arin_statistics_now":{"file_date":"2026-10-10","status":"allocated (dated 2026-05-15)"},"current_holder":{"rir":"ARIN","org":"Crowdstrike","how":"ARIN's statistics for 2026-10-10 and the latest transfer record"},"rdap_snapshots":[],"transfers":[{"id":43933,"date":"2026-05-15T11:26:00Z","type":"RESOURCE_TRANSFER","source_rir":"ARIN","recipient_rir":"ARIN","source_org":"Parsons Corporation","recipient_org":"Crowdstrike","range":"198.235.16.0/24"},{"id":42566,"date":"2026-01-09T20:34:50Z","type":"MERGER_ACQUISITION","source_rir":"ARIN","recipient_rir":"ARIN","source_org":"DELCAN CORPORATION","recipient_org":"Parsons Corporation","range":"198.235.16.0/24"}],"events":[{"event_id":"8f097296732d12b6","report_date":"2026-05-15","source":"arin_issued","raw_action":"ADD","raw_line":"Add 198.235.16.0-198.235.16.255","resource_type":"ipv4","resource":"198.235.16.0/24","start":"198.235.16.0","end":"198.235.16.255","classification":"INTRA_RIR_TRANSFER","classification_label":"Intra-ARIN transfer","confidence":"CONFIRMED","source_rir":"ARIN","recipient_rir":"ARIN","source_organization":"Parsons Corporation","recipient_organization":"Crowdstrike","inventory_effect":"No effect on ARIN applicant inventory","inventory_effect_code":"NO_EFFECT","provisional":false,"classifier_version":"1.0.0","classified_at":"2026-10-09T19:28:20+00:00","page":"https://rirtracker.com/ip/198.235.16.0-198.235.16.255/#e-8f097296732d12b6","evidence_url":"https://rirtracker.com/api/v1/events/8f097296732d12b6.json","explanation":"ARIN's transfer log records a transfer from Parsons Corporation (ARIN) to Crowdstrike (ARIN) on 2026-05-15 11:26 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/2026-May/006363.html","retrieved_at":"2026-10-09T18:54:01+00:00","summary":"ARIN-Issued report for 2026-05-15: \"Add 198.235.16.0-198.235.16.255\""},{"type":"transfer","url":"https://ftp.arin.net/pub/stats/arin/transfers/transfers_latest.json","retrieved_at":"2026-10-09T18:54:15+00:00","summary":"Transfer log: RESOURCE_TRANSFER on 2026-05-15 11:26 UTC, Parsons Corporation (ARIN) to Crowdstrike (ARIN); resources moved: 198.235.16.0/24"},{"type":"delegated_before","url":"https://ftp.arin.net/pub/stats/arin/delegated-arin-extended-20260514","retrieved_at":"2026-10-09T19:01:20+00:00","summary":"ARIN delegated statistics 2026-05-14 (produced 2026-05-14T13:00:40+00:00), before the report: allocated (dated 1993-08-20)"},{"type":"delegated_after","url":"https://ftp.arin.net/pub/stats/arin/delegated-arin-extended-20260516","retrieved_at":"2026-10-09T19:01:26+00:00","summary":"ARIN delegated statistics 2026-05-16 (produced 2026-05-16T13:00:39+00:00), after the report: allocated (dated 2026-05-15)"}]}],"classification_history":{"8f097296732d12b6":[{"raw_change_id":2067,"classification_code":"INTRA_RIR_TRANSFER","confidence":"CONFIRMED","classifier_version":"1.0.0","classified_at":"2026-10-09T19:28:20+00:00","current":1,"public_explanation":"ARIN's transfer log records a transfer from Parsons Corporation (ARIN) to Crowdstrike (ARIN) on 2026-05-15 11:26 UTC. ARIN-Issued lists it as \"Add\" because the registration changed hands; it is not a new allocation from ARIN."}]}}