{"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":"149.45.0.0/16","resource_type":"ipv4","page":"https://rirtracker.com/ip/149.45.0.0-149.45.255.255/","statistics_now":{"registry":"ARIN","status":"allocated (dated 2018-09-12)"},"current_holder":{"rir":"ARIN","org":"Cerner Corporation","how":"ARIN's latest statistics and the latest transfer record"},"rdap_snapshots":[],"transfers":[{"id":14440,"date":"2018-09-12T18:47:17Z","type":"RESOURCE_TRANSFER","source_rir":"ARIN","recipient_rir":"ARIN","source_org":"Datalink Software, Inc.","recipient_org":"Cerner Corporation","range":"149.45.0.0/16","log":"ARIN"}],"events":[{"event_id":"bb9491700b1a9689","registry":"ARIN","report_date":"2018-09-12","source":"arin_issued","raw_action":"ADD","raw_line":"Add 149.45.0.0-149.45.255.255","resource_type":"ipv4","resource":"149.45.0.0/16","start":"149.45.0.0","end":"149.45.255.255","classification":"INTRA_RIR_TRANSFER","classification_label":"Intra-ARIN transfer","confidence":"CONFIRMED","source_rir":"ARIN","recipient_rir":"ARIN","source_organization":"Datalink Software, Inc.","recipient_organization":"Cerner Corporation","inventory_effect":"No effect on ARIN applicant inventory","inventory_effect_code":"NO_EFFECT","provisional":false,"classifier_version":"1.4.0","classified_at":"2026-10-13T23:52:16+00:00","page":"https://rirtracker.com/ip/149.45.0.0-149.45.255.255/#e-bb9491700b1a9689","report_page":"https://rirtracker.com/arin/reports/2018-09-12/","evidence_url":"https://rirtracker.com/api/v1/resources/ip/149.45.0.0-149.45.255.255.json","explanation":"ARIN's transfer log records a transfer from Datalink Software, Inc. (ARIN) to Cerner Corporation (ARIN) on 2018-09-12 18:47 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/2018-September/003563.html","retrieved_at":"2026-10-12T18:40:12+00:00","summary":"ARIN-Issued report for 2018-09-12: \"Add 149.45.0.0-149.45.255.255\""},{"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 2018-09-12 18:47 UTC, Datalink Software, Inc. (ARIN) to Cerner Corporation (ARIN); resources moved: 149.45.0.0/16"},{"type":"delegated_before","url":"https://ftp.arin.net/pub/stats/arin/archive/2018/delegated-arin-extended-20180911.gz","retrieved_at":"2026-10-12T21:52:18+00:00","summary":"ARIN delegated statistics 2018-09-11 (produced 2018-09-11T05:00:17+00:00), before the report: assigned (dated 1992-01-28)"},{"type":"delegated_after","url":"https://ftp.arin.net/pub/stats/arin/archive/2018/delegated-arin-extended-20180913.gz","retrieved_at":"2026-10-12T21:52:23+00:00","summary":"ARIN delegated statistics 2018-09-13 (produced 2018-09-13T05:00:16+00:00), after the report: assigned (dated 2018-09-12)"}]}],"classification_history":{"bb9491700b1a9689":[{"raw_change_id":156237,"classification_code":"INTRA_RIR_TRANSFER","confidence":"CONFIRMED","classifier_version":"1.3.0","classified_at":"2026-10-13T03:42:11+00:00","current":0,"public_explanation":"ARIN's transfer log records a transfer from Datalink Software, Inc. (ARIN) to Cerner Corporation (ARIN) on 2018-09-12 18:47 UTC. ARIN-Issued lists it as \"Add\" because the registration changed hands; it is not a new allocation from ARIN."},{"raw_change_id":156237,"classification_code":"INTRA_RIR_TRANSFER","confidence":"CONFIRMED","classifier_version":"1.3.1","classified_at":"2026-10-13T08:06:22+00:00","current":0,"public_explanation":"ARIN's transfer log records a transfer from Datalink Software, Inc. (ARIN) to Cerner Corporation (ARIN) on 2018-09-12 18:47 UTC. ARIN-Issued lists it as \"Add\" because the registration changed hands; it is not a new allocation from ARIN."},{"raw_change_id":156237,"classification_code":"INTRA_RIR_TRANSFER","confidence":"CONFIRMED","classifier_version":"1.3.2","classified_at":"2026-10-13T14:49:04+00:00","current":0,"public_explanation":"ARIN's transfer log records a transfer from Datalink Software, Inc. (ARIN) to Cerner Corporation (ARIN) on 2018-09-12 18:47 UTC. ARIN-Issued lists it as \"Add\" because the registration changed hands; it is not a new allocation from ARIN."},{"raw_change_id":156237,"classification_code":"INTRA_RIR_TRANSFER","confidence":"CONFIRMED","classifier_version":"1.4.0","classified_at":"2026-10-13T23:52:16+00:00","current":1,"public_explanation":"ARIN's transfer log records a transfer from Datalink Software, Inc. (ARIN) to Cerner Corporation (ARIN) on 2018-09-12 18:47 UTC. ARIN-Issued lists it as \"Add\" because the registration changed hands; it is not a new allocation from ARIN."}]},"arin_statistics_now":{"status":"allocated (dated 2018-09-12)"}}