{"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":"204.52.252.0/24","resource_type":"ipv4","page":"https://rirtracker.com/ip/204.52.252.0-204.52.252.255/","statistics_now":{"registry":"ARIN","status":"allocated (dated 1994-07-15)"},"current_holder":{"rir":"ARIN","org":"Black Hills State University","how":"ARIN's latest statistics and the latest transfer record"},"rdap_snapshots":[],"transfers":[{"id":28314,"date":"2022-06-13T22:13:36Z","type":"MERGER_ACQUISITION","source_rir":"ARIN","recipient_rir":"ARIN","source_org":"South Dakota Library Network","recipient_org":"Black Hills State University","range":"204.52.252.0/24","log":"ARIN"}],"events":[{"event_id":"29bd24a3e8783df7","registry":"ARIN","report_date":"2022-06-13","source":"transfers","raw_action":"TRANSFER","raw_line":null,"resource_type":"ipv4","resource":"204.52.252.0/24","start":"204.52.252.0","end":"204.52.252.255","classification":"MERGER_ACQUISITION","classification_label":"Merger/acquisition or reorganization","confidence":"CONFIRMED","source_rir":"ARIN","recipient_rir":"ARIN","source_organization":"South Dakota Library Network","recipient_organization":"Black Hills State University","inventory_effect":"No effect on ARIN applicant inventory","inventory_effect_code":"NO_EFFECT","provisional":false,"classifier_version":"1.4.0","classified_at":"2026-10-14T00:19:02+00:00","page":"https://rirtracker.com/ip/204.52.252.0-204.52.252.255/#e-29bd24a3e8783df7","report_page":"https://rirtracker.com/arin/reports/2022-06-13/","evidence_url":"https://rirtracker.com/api/v1/resources/ip/204.52.252.0-204.52.252.255.json","observed":"Merger/acquisition: South Dakota Library Network (ARIN) to Black Hills State University (ARIN)","explanation":"ARIN's transfer log records a merger, acquisition or reorganization from South Dakota Library Network (ARIN) to Black Hills State University (ARIN) on 2022-06-13 22:13 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 2022-06-13 22:13 UTC, South Dakota Library Network (ARIN) to Black Hills State University (ARIN); resources moved: 204.52.252.0/24"},{"type":"delegated_before","url":"https://ftp.arin.net/pub/stats/arin/archive/2022/delegated-arin-extended-20220612.gz","retrieved_at":"2026-10-12T23:02:49+00:00","summary":"ARIN delegated statistics 2022-06-12 (produced 2022-06-12T13:00:08+00:00), before the report: allocated (dated 1994-07-15)"},{"type":"delegated_after","url":"https://ftp.arin.net/pub/stats/arin/archive/2022/delegated-arin-extended-20220614.gz","retrieved_at":"2026-10-12T23:02:54+00:00","summary":"ARIN delegated statistics 2022-06-14 (produced 2022-06-14T13:00:09+00:00), after the report: allocated (dated 1994-07-15)"}]}],"classification_history":{"29bd24a3e8783df7":[{"raw_change_id":565841,"classification_code":"MERGER_ACQUISITION","confidence":"CONFIRMED","classifier_version":"1.4.0","classified_at":"2026-10-14T00:19:02+00:00","current":1,"public_explanation":"ARIN's transfer log records a merger, acquisition or reorganization from South Dakota Library Network (ARIN) to Black Hills State University (ARIN) on 2022-06-13 22:13 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 1994-07-15)"}}