{"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":"165.85.0.0/16","resource_type":"ipv4","page":"https://rirtracker.com/ip/165.85.0.0-165.85.255.255/","statistics_now":{"registry":"ARIN","status":"allocated (dated 2023-01-11)"},"current_holder":{"rir":"ARIN","org":"Palo Alto Networks, Inc","how":"ARIN's latest statistics and the latest transfer record"},"rdap_snapshots":[],"transfers":[{"id":30072,"date":"2023-01-11T12:53:33Z","type":"RESOURCE_TRANSFER","source_rir":"ARIN","recipient_rir":"ARIN","source_org":"Western Digital Corporation","recipient_org":"Palo Alto Networks, Inc","range":"165.85.0.0/16","log":"ARIN"},{"id":20221,"date":"2020-03-11T12:26:44Z","type":"MERGER_ACQUISITION","source_rir":"ARIN","recipient_rir":"ARIN","source_org":"Read-Rite Corp.","recipient_org":"Western Digital Corporation","range":"165.85.0.0/16","log":"ARIN"}],"events":[{"event_id":"585e709981705c29","registry":"ARIN","report_date":"2023-01-11","source":"arin_issued","raw_action":"ADD","raw_line":"Add 165.85.0.0-165.85.255.255","resource_type":"ipv4","resource":"165.85.0.0/16","start":"165.85.0.0","end":"165.85.255.255","classification":"INTRA_RIR_TRANSFER","classification_label":"Intra-ARIN transfer","confidence":"CONFIRMED","source_rir":"ARIN","recipient_rir":"ARIN","source_organization":"Western Digital Corporation","recipient_organization":"Palo Alto Networks, Inc","inventory_effect":"No effect on ARIN applicant inventory","inventory_effect_code":"NO_EFFECT","provisional":false,"classifier_version":"1.4.0","classified_at":"2026-10-13T23:53:34+00:00","page":"https://rirtracker.com/ip/165.85.0.0-165.85.255.255/#e-585e709981705c29","report_page":"https://rirtracker.com/arin/reports/2023-01-11/","evidence_url":"https://rirtracker.com/api/v1/resources/ip/165.85.0.0-165.85.255.255.json","explanation":"ARIN's transfer log records a transfer from Western Digital Corporation (ARIN) to Palo Alto Networks, Inc (ARIN) on 2023-01-11 12:53 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/2023-January/005143.html","retrieved_at":"2026-10-12T18:42:02+00:00","summary":"ARIN-Issued report for 2023-01-11: \"Add 165.85.0.0-165.85.255.255\""},{"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 2023-01-11 12:53 UTC, Western Digital Corporation (ARIN) to Palo Alto Networks, Inc (ARIN); resources moved: 165.85.0.0/16"},{"type":"delegated_before","url":"https://ftp.arin.net/pub/stats/arin/archive/2023/delegated-arin-extended-20230110.gz","retrieved_at":"2026-10-12T23:13:58+00:00","summary":"ARIN delegated statistics 2023-01-10 (produced 2023-01-10T14:00:11+00:00), before the report: allocated (dated 1993-04-23)"},{"type":"delegated_after","url":"https://ftp.arin.net/pub/stats/arin/archive/2023/delegated-arin-extended-20230112.gz","retrieved_at":"2026-10-12T23:14:03+00:00","summary":"ARIN delegated statistics 2023-01-12 (produced 2023-01-12T14:00:10+00:00), after the report: allocated (dated 2023-01-11)"}]},{"event_id":"f7cf02addba9ee92","registry":"ARIN","report_date":"2020-03-11","source":"transfers","raw_action":"TRANSFER","raw_line":null,"resource_type":"ipv4","resource":"165.85.0.0/16","start":"165.85.0.0","end":"165.85.255.255","classification":"MERGER_ACQUISITION","classification_label":"Merger/acquisition or reorganization","confidence":"CONFIRMED","source_rir":"ARIN","recipient_rir":"ARIN","source_organization":"Read-Rite Corp.","recipient_organization":"Western Digital Corporation","inventory_effect":"No effect on ARIN applicant inventory","inventory_effect_code":"NO_EFFECT","provisional":false,"classifier_version":"1.4.0","classified_at":"2026-10-14T00:18:49+00:00","page":"https://rirtracker.com/ip/165.85.0.0-165.85.255.255/#e-f7cf02addba9ee92","report_page":"https://rirtracker.com/arin/reports/2020-03-11/","evidence_url":"https://rirtracker.com/api/v1/resources/ip/165.85.0.0-165.85.255.255.json","observed":"Merger/acquisition: Read-Rite Corp. (ARIN) to Western Digital Corporation (ARIN)","explanation":"ARIN's transfer log records a merger, acquisition or reorganization from Read-Rite Corp. (ARIN) to Western Digital Corporation (ARIN) on 2020-03-11 12:26 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 2020-03-11 12:26 UTC, Read-Rite Corp. (ARIN) to Western Digital Corporation (ARIN); resources moved: 165.85.0.0/16"},{"type":"delegated_before","url":"https://ftp.arin.net/pub/stats/arin/archive/2020/delegated-arin-extended-20200310.gz","retrieved_at":"2026-10-12T22:20:26+00:00","summary":"ARIN delegated statistics 2020-03-10 (produced 2020-03-10T14:00:13+00:00), before the report: assigned (dated 1993-04-23)"},{"type":"delegated_after","url":"https://ftp.arin.net/pub/stats/arin/archive/2020/delegated-arin-extended-20200312.gz","retrieved_at":"2026-10-12T22:20:31+00:00","summary":"ARIN delegated statistics 2020-03-12 (produced 2020-03-12T14:00:13+00:00), after the report: assigned (dated 1993-04-23)"}]}],"classification_history":{"585e709981705c29":[{"raw_change_id":179754,"classification_code":"INTRA_RIR_TRANSFER","confidence":"CONFIRMED","classifier_version":"1.3.0","classified_at":"2026-10-13T03:57:51+00:00","current":0,"public_explanation":"ARIN's transfer log records a transfer from Western Digital Corporation (ARIN) to Palo Alto Networks, Inc (ARIN) on 2023-01-11 12:53 UTC. ARIN-Issued lists it as \"Add\" because the registration changed hands; it is not a new allocation from ARIN."},{"raw_change_id":179754,"classification_code":"INTRA_RIR_TRANSFER","confidence":"CONFIRMED","classifier_version":"1.3.1","classified_at":"2026-10-13T08:07:21+00:00","current":0,"public_explanation":"ARIN's transfer log records a transfer from Western Digital Corporation (ARIN) to Palo Alto Networks, Inc (ARIN) on 2023-01-11 12:53 UTC. ARIN-Issued lists it as \"Add\" because the registration changed hands; it is not a new allocation from ARIN."},{"raw_change_id":179754,"classification_code":"INTRA_RIR_TRANSFER","confidence":"CONFIRMED","classifier_version":"1.3.2","classified_at":"2026-10-13T14:50:11+00:00","current":0,"public_explanation":"ARIN's transfer log records a transfer from Western Digital Corporation (ARIN) to Palo Alto Networks, Inc (ARIN) on 2023-01-11 12:53 UTC. ARIN-Issued lists it as \"Add\" because the registration changed hands; it is not a new allocation from ARIN."},{"raw_change_id":179754,"classification_code":"INTRA_RIR_TRANSFER","confidence":"CONFIRMED","classifier_version":"1.4.0","classified_at":"2026-10-13T23:53:34+00:00","current":1,"public_explanation":"ARIN's transfer log records a transfer from Western Digital Corporation (ARIN) to Palo Alto Networks, Inc (ARIN) on 2023-01-11 12:53 UTC. ARIN-Issued lists it as \"Add\" because the registration changed hands; it is not a new allocation from ARIN."}],"f7cf02addba9ee92":[{"raw_change_id":560198,"classification_code":"MERGER_ACQUISITION","confidence":"CONFIRMED","classifier_version":"1.4.0","classified_at":"2026-10-14T00:18:49+00:00","current":1,"public_explanation":"ARIN's transfer log records a merger, acquisition or reorganization from Read-Rite Corp. (ARIN) to Western Digital Corporation (ARIN) on 2020-03-11 12:26 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 2023-01-11)"}}