{"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":"131.168.0.0/16","resource_type":"ipv4","page":"https://rirtracker.com/ip/131.168.0.0-131.168.255.255/","statistics_now":{"registry":"ARIN","status":"allocated (dated 2024-11-04)"},"current_holder":{"rir":"ARIN","org":"Amazon.com, Inc.","how":"ARIN's latest statistics and the latest transfer record"},"rdap_snapshots":[],"transfers":[{"id":37068,"date":"2024-11-04T20:36:21Z","type":"RESOURCE_TRANSFER","source_rir":"ARIN","recipient_rir":"ARIN","source_org":"HEWLETT PACKARD ENTERPRISE COMPANY","recipient_org":"Amazon.com, Inc.","range":"131.168.0.0/16","log":"ARIN"},{"id":9634,"date":"2017-06-07T18:46:11Z","type":"MERGER_ACQUISITION","source_rir":"ARIN","recipient_rir":"ARIN","source_org":"Hewlett-Packard Company","recipient_org":"HEWLETT PACKARD ENTERPRISE COMPANY","range":"131.168.0.0/16","log":"ARIN"}],"events":[{"event_id":"72e0829033ab540c","registry":"ARIN","report_date":"2024-11-04","source":"arin_issued","raw_action":"ADD","raw_line":"Add 131.168.0.0-131.168.255.255","resource_type":"ipv4","resource":"131.168.0.0/16","start":"131.168.0.0","end":"131.168.255.255","classification":"INTRA_RIR_TRANSFER","classification_label":"Intra-ARIN transfer","confidence":"CONFIRMED","source_rir":"ARIN","recipient_rir":"ARIN","source_organization":"HEWLETT PACKARD ENTERPRISE COMPANY","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":"2026-10-13T23:54:14+00:00","page":"https://rirtracker.com/ip/131.168.0.0-131.168.255.255/#e-72e0829033ab540c","report_page":"https://rirtracker.com/arin/reports/2024-11-04/","evidence_url":"https://rirtracker.com/api/v1/resources/ip/131.168.0.0-131.168.255.255.json","explanation":"ARIN's transfer log records a transfer from HEWLETT PACKARD ENTERPRISE COMPANY (ARIN) to Amazon.com, Inc. (ARIN) on 2024-11-04 20:36 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/2024-November/005805.html","retrieved_at":"2026-10-12T18:42:48+00:00","summary":"ARIN-Issued report for 2024-11-04: \"Add 131.168.0.0-131.168.255.255\""},{"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 2024-11-04 20:36 UTC, HEWLETT PACKARD ENTERPRISE COMPANY (ARIN) to Amazon.com, Inc. (ARIN); resources moved: 131.168.0.0/16"},{"type":"delegated_before","url":"https://ftp.arin.net/pub/stats/arin/archive/2024/delegated-arin-extended-20241103.gz","retrieved_at":"2026-10-12T23:49:24+00:00","summary":"ARIN delegated statistics 2024-11-03 (produced 2024-11-03T14:01:00+00:00), before the report: allocated (dated 1988-12-16)"},{"type":"delegated_after","url":"https://ftp.arin.net/pub/stats/arin/archive/2024/delegated-arin-extended-20241105.gz","retrieved_at":"2026-10-12T23:49:29+00:00","summary":"ARIN delegated statistics 2024-11-05 (produced 2024-11-05T14:00:51+00:00), after the report: allocated (dated 2024-11-04)"}]},{"event_id":"e944e6ed64bcf6a5","registry":"ARIN","report_date":"2017-06-07","source":"transfers","raw_action":"TRANSFER","raw_line":null,"resource_type":"ipv4","resource":"131.168.0.0/16","start":"131.168.0.0","end":"131.168.255.255","classification":"MERGER_ACQUISITION","classification_label":"Merger/acquisition or reorganization","confidence":"CONFIRMED","source_rir":"ARIN","recipient_rir":"ARIN","source_organization":"Hewlett-Packard Company","recipient_organization":"HEWLETT PACKARD ENTERPRISE COMPANY","inventory_effect":"No effect on ARIN applicant inventory","inventory_effect_code":"NO_EFFECT","provisional":false,"classifier_version":"1.4.0","classified_at":"2026-10-14T00:18:29+00:00","page":"https://rirtracker.com/ip/131.168.0.0-131.168.255.255/#e-e944e6ed64bcf6a5","report_page":"https://rirtracker.com/arin/reports/2017-06-07/","evidence_url":"https://rirtracker.com/api/v1/resources/ip/131.168.0.0-131.168.255.255.json","observed":"Merger/acquisition: Hewlett-Packard Company (ARIN) to HEWLETT PACKARD ENTERPRISE COMPANY (ARIN)","explanation":"ARIN's transfer log records a merger, acquisition or reorganization from Hewlett-Packard Company (ARIN) to HEWLETT PACKARD ENTERPRISE COMPANY (ARIN) on 2017-06-07 18:46 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 2017-06-07 18:46 UTC, Hewlett-Packard Company (ARIN) to HEWLETT PACKARD ENTERPRISE COMPANY (ARIN); resources moved: 131.168.0.0/16"},{"type":"delegated_before","url":"https://ftp.arin.net/pub/stats/arin/archive/2017/delegated-arin-extended-20170606.gz","retrieved_at":"2026-10-12T21:29:13+00:00","summary":"ARIN delegated statistics 2017-06-06 (produced 2017-06-06T05:10:34+00:00), before the report: assigned (dated 1988-12-16)"},{"type":"delegated_after","url":"https://ftp.arin.net/pub/stats/arin/archive/2017/delegated-arin-extended-20170608.gz","retrieved_at":"2026-10-12T21:29:18+00:00","summary":"ARIN delegated statistics 2017-06-08 (produced 2017-06-08T05:09:01+00:00), after the report: assigned (dated 1988-12-16)"}]}],"classification_history":{"72e0829033ab540c":[{"raw_change_id":190144,"classification_code":"INTRA_RIR_TRANSFER","confidence":"CONFIRMED","classifier_version":"1.3.0","classified_at":"2026-10-13T04:03:48+00:00","current":0,"public_explanation":"ARIN's transfer log records a transfer from HEWLETT PACKARD ENTERPRISE COMPANY (ARIN) to Amazon.com, Inc. (ARIN) on 2024-11-04 20:36 UTC. ARIN-Issued lists it as \"Add\" because the registration changed hands; it is not a new allocation from ARIN."},{"raw_change_id":190144,"classification_code":"INTRA_RIR_TRANSFER","confidence":"CONFIRMED","classifier_version":"1.3.1","classified_at":"2026-10-13T08:07:51+00:00","current":0,"public_explanation":"ARIN's transfer log records a transfer from HEWLETT PACKARD ENTERPRISE COMPANY (ARIN) to Amazon.com, Inc. (ARIN) on 2024-11-04 20:36 UTC. ARIN-Issued lists it as \"Add\" because the registration changed hands; it is not a new allocation from ARIN."},{"raw_change_id":190144,"classification_code":"INTRA_RIR_TRANSFER","confidence":"CONFIRMED","classifier_version":"1.3.2","classified_at":"2026-10-13T14:50:43+00:00","current":0,"public_explanation":"ARIN's transfer log records a transfer from HEWLETT PACKARD ENTERPRISE COMPANY (ARIN) to Amazon.com, Inc. (ARIN) on 2024-11-04 20:36 UTC. ARIN-Issued lists it as \"Add\" because the registration changed hands; it is not a new allocation from ARIN."},{"raw_change_id":190144,"classification_code":"INTRA_RIR_TRANSFER","confidence":"CONFIRMED","classifier_version":"1.4.0","classified_at":"2026-10-13T23:54:14+00:00","current":1,"public_explanation":"ARIN's transfer log records a transfer from HEWLETT PACKARD ENTERPRISE COMPANY (ARIN) to Amazon.com, Inc. (ARIN) on 2024-11-04 20:36 UTC. ARIN-Issued lists it as \"Add\" because the registration changed hands; it is not a new allocation from ARIN."}],"e944e6ed64bcf6a5":[{"raw_change_id":552024,"classification_code":"MERGER_ACQUISITION","confidence":"CONFIRMED","classifier_version":"1.4.0","classified_at":"2026-10-14T00:18:29+00:00","current":1,"public_explanation":"ARIN's transfer log records a merger, acquisition or reorganization from Hewlett-Packard Company (ARIN) to HEWLETT PACKARD ENTERPRISE COMPANY (ARIN) on 2017-06-07 18:46 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 2024-11-04)"}}