{"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":"161.46.0.0/16","resource_type":"ipv4","page":"https://rirtracker.com/ip/161.46.0.0-161.46.255.255/","statistics_now":{"registry":"ARIN","status":"allocated (dated 2022-08-22)"},"current_holder":{"rir":"ARIN","org":"Amazon.com, Inc.","how":"ARIN's latest statistics and the latest transfer record"},"rdap_snapshots":[],"transfers":[{"id":28889,"date":"2022-08-22T15:15:42Z","type":"RESOURCE_TRANSFER","source_rir":"ARIN","recipient_rir":"ARIN","source_org":"Clarkson College","recipient_org":"Amazon.com, Inc.","range":"161.46.0.0/16","log":"ARIN"}],"events":[{"event_id":"f50752d3133cf08a","registry":"ARIN","report_date":"2022-08-22","source":"arin_issued","raw_action":"ADD","raw_line":"Add 161.46.0.0-161.46.255.255","resource_type":"ipv4","resource":"161.46.0.0/16","start":"161.46.0.0","end":"161.46.255.255","classification":"INTRA_RIR_TRANSFER","classification_label":"Intra-ARIN transfer","confidence":"CONFIRMED","source_rir":"ARIN","recipient_rir":"ARIN","source_organization":"Clarkson College","recipient_organization":"Amazon.com, Inc.","inventory_effect":"No effect on ARIN applicant inventory","inventory_effect_code":"NO_EFFECT","provisional":false,"classifier_version":"1.4.0","classified_at":"2026-10-13T23:53:27+00:00","page":"https://rirtracker.com/ip/161.46.0.0-161.46.255.255/#e-f50752d3133cf08a","report_page":"https://rirtracker.com/arin/reports/2022-08-22/","evidence_url":"https://rirtracker.com/api/v1/resources/ip/161.46.0.0-161.46.255.255.json","explanation":"ARIN's transfer log records a transfer from Clarkson College (ARIN) to Amazon.com, Inc. (ARIN) on 2022-08-22 15:15 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/2022-August/005001.html","retrieved_at":"2026-10-12T18:41:51+00:00","summary":"ARIN-Issued report for 2022-08-22: \"Add 161.46.0.0-161.46.255.255\""},{"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 2022-08-22 15:15 UTC, Clarkson College (ARIN) to Amazon.com, Inc. (ARIN); resources moved: 161.46.0.0/16"},{"type":"delegated_before","url":"https://ftp.arin.net/pub/stats/arin/archive/2022/delegated-arin-extended-20220821.gz","retrieved_at":"2026-10-12T23:06:29+00:00","summary":"ARIN delegated statistics 2022-08-21 (produced 2022-08-21T13:00:10+00:00), before the report: allocated (dated 1992-05-19)"},{"type":"delegated_after","url":"https://ftp.arin.net/pub/stats/arin/archive/2022/delegated-arin-extended-20220823.gz","retrieved_at":"2026-10-12T23:06:34+00:00","summary":"ARIN delegated statistics 2022-08-23 (produced 2022-08-23T13:00:10+00:00), after the report: allocated (dated 2022-08-22)"}]}],"classification_history":{"f50752d3133cf08a":[{"raw_change_id":177722,"classification_code":"INTRA_RIR_TRANSFER","confidence":"CONFIRMED","classifier_version":"1.3.0","classified_at":"2026-10-13T03:56:36+00:00","current":0,"public_explanation":"ARIN's transfer log records a transfer from Clarkson College (ARIN) to Amazon.com, Inc. (ARIN) on 2022-08-22 15:15 UTC. ARIN-Issued lists it as \"Add\" because the registration changed hands; it is not a new allocation from ARIN."},{"raw_change_id":177722,"classification_code":"INTRA_RIR_TRANSFER","confidence":"CONFIRMED","classifier_version":"1.3.1","classified_at":"2026-10-13T08:07:16+00:00","current":0,"public_explanation":"ARIN's transfer log records a transfer from Clarkson College (ARIN) to Amazon.com, Inc. (ARIN) on 2022-08-22 15:15 UTC. ARIN-Issued lists it as \"Add\" because the registration changed hands; it is not a new allocation from ARIN."},{"raw_change_id":177722,"classification_code":"INTRA_RIR_TRANSFER","confidence":"CONFIRMED","classifier_version":"1.3.2","classified_at":"2026-10-13T14:50:05+00:00","current":0,"public_explanation":"ARIN's transfer log records a transfer from Clarkson College (ARIN) to Amazon.com, Inc. (ARIN) on 2022-08-22 15:15 UTC. ARIN-Issued lists it as \"Add\" because the registration changed hands; it is not a new allocation from ARIN."},{"raw_change_id":177722,"classification_code":"INTRA_RIR_TRANSFER","confidence":"CONFIRMED","classifier_version":"1.4.0","classified_at":"2026-10-13T23:53:27+00:00","current":1,"public_explanation":"ARIN's transfer log records a transfer from Clarkson College (ARIN) to Amazon.com, Inc. (ARIN) on 2022-08-22 15:15 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 2022-08-22)"}}