{"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":"15.201.0.0/16","resource_type":"ipv4","page":"https://rirtracker.com/ip/15.201.0.0-15.201.255.255/","statistics_now":{"registry":"ARIN","status":"allocated (dated 2022-07-11)"},"current_holder":{"rir":"ARIN","org":"Darkstar Technologies","how":"ARIN's latest statistics and the latest transfer record"},"rdap_snapshots":[],"transfers":[{"id":43595,"date":"2026-04-22T13:16:22Z","type":"MERGER_ACQUISITION","source_rir":"ARIN","recipient_rir":"ARIN","source_org":"Amazon.com, Inc.","recipient_org":"Darkstar Technologies","range":"15.201.0.0/16","log":"ARIN"},{"id":35690,"date":"2024-05-23T18:06:04Z","type":"MERGER_ACQUISITION","source_rir":"ARIN","recipient_rir":"ARIN","source_org":"Amazon.com, Inc.","recipient_org":"Amazon.com, Inc.","range":"15.201.0.0/16","log":"ARIN"},{"id":28527,"date":"2022-07-11T19:05:54Z","type":"RESOURCE_TRANSFER","source_rir":"ARIN","recipient_rir":"ARIN","source_org":"DXC US Latin America Corporation","recipient_org":"Amazon.com, Inc.","range":"15.201.0.0/16","log":"ARIN"},{"id":14570,"date":"2018-09-14T20:02:41Z","type":"MERGER_ACQUISITION","source_rir":"ARIN","recipient_rir":"ARIN","source_org":"HEWLETT PACKARD ENTERPRISE COMPANY","recipient_org":"Enterprise Services Latin America Corporation","range":"15.128.0.0/9","log":"ARIN"},{"id":9901,"date":"2017-06-07T19:07:29Z","type":"MERGER_ACQUISITION","source_rir":"ARIN","recipient_rir":"ARIN","source_org":"Hewlett-Packard Company","recipient_org":"HEWLETT PACKARD ENTERPRISE COMPANY","range":"15.128.0.0/9","log":"ARIN"}],"events":[{"event_id":"b272a6461bbe7607","registry":"ARIN","report_date":"2026-04-22","source":"transfers","raw_action":"TRANSFER","raw_line":null,"resource_type":"ipv4","resource":"15.201.0.0/16","start":"15.201.0.0","end":"15.201.255.255","classification":"MERGER_ACQUISITION","classification_label":"Merger/acquisition or reorganization","confidence":"CONFIRMED","source_rir":"ARIN","recipient_rir":"ARIN","source_organization":"Amazon.com, Inc.","recipient_organization":"Darkstar Technologies","inventory_effect":"No effect on ARIN applicant inventory","inventory_effect_code":"NO_EFFECT","provisional":false,"classifier_version":"1.4.0","classified_at":"2026-10-14T00:19:27+00:00","page":"https://rirtracker.com/ip/15.201.0.0-15.201.255.255/#e-b272a6461bbe7607","report_page":"https://rirtracker.com/arin/reports/2026-04-22/","evidence_url":"https://rirtracker.com/api/v1/resources/ip/15.201.0.0-15.201.255.255.json","observed":"Merger/acquisition: Amazon.com, Inc. (ARIN) to Darkstar Technologies (ARIN)","explanation":"ARIN's transfer log records a merger, acquisition or reorganization from Amazon.com, Inc. (ARIN) to Darkstar Technologies (ARIN) on 2026-04-22 13:16 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 2026-04-22 13:16 UTC, Amazon.com, Inc. (ARIN) to Darkstar Technologies (ARIN); resources moved: 15.201.0.0/16"},{"type":"delegated_before","url":"https://ftp.arin.net/pub/stats/arin/delegated-arin-extended-20260421","retrieved_at":"2026-10-09T19:00:14+00:00","summary":"ARIN delegated statistics 2026-04-21 (produced 2026-04-21T13:00:40+00:00), before the report: allocated (dated 2022-07-11)"},{"type":"delegated_after","url":"https://ftp.arin.net/pub/stats/arin/delegated-arin-extended-20260423","retrieved_at":"2026-10-09T19:00:20+00:00","summary":"ARIN delegated statistics 2026-04-23 (produced 2026-04-23T13:00:40+00:00), after the report: allocated (dated 2022-07-11)"}]},{"event_id":"74dd6716a92d0a0e","registry":"ARIN","report_date":"2024-05-23","source":"transfers","raw_action":"TRANSFER","raw_line":null,"resource_type":"ipv4","resource":"15.201.0.0/16","start":"15.201.0.0","end":"15.201.255.255","classification":"MERGER_ACQUISITION","classification_label":"Merger/acquisition or reorganization","confidence":"CONFIRMED","source_rir":"ARIN","recipient_rir":"ARIN","source_organization":"Amazon.com, Inc.","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":"2026-10-14T00:19:15+00:00","page":"https://rirtracker.com/ip/15.201.0.0-15.201.255.255/#e-74dd6716a92d0a0e","report_page":"https://rirtracker.com/arin/reports/2024-05-23/","evidence_url":"https://rirtracker.com/api/v1/resources/ip/15.201.0.0-15.201.255.255.json","observed":"Merger/acquisition: Amazon.com, Inc. (ARIN) to Amazon.com, Inc. (ARIN)","explanation":"ARIN's transfer log records a merger, acquisition or reorganization from Amazon.com, Inc. (ARIN) to Amazon.com, Inc. (ARIN) on 2024-05-23 18:06 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 2024-05-23 18:06 UTC, Amazon.com, Inc. (ARIN) to Amazon.com, Inc. (ARIN); resources moved: 15.201.0.0/16"},{"type":"delegated_before","url":"https://ftp.arin.net/pub/stats/arin/archive/2024/delegated-arin-extended-20240522.gz","retrieved_at":"2026-10-12T23:40:26+00:00","summary":"ARIN delegated statistics 2024-05-22 (produced 2024-05-22T13:00:47+00:00), before the report: allocated (dated 2022-07-11)"},{"type":"delegated_after","url":"https://ftp.arin.net/pub/stats/arin/archive/2024/delegated-arin-extended-20240524.gz","retrieved_at":"2026-10-12T23:40:31+00:00","summary":"ARIN delegated statistics 2024-05-24 (produced 2024-05-24T13:00:48+00:00), after the report: allocated (dated 2022-07-11)"}]},{"event_id":"656ddc662d448739","registry":"ARIN","report_date":"2022-07-11","source":"arin_issued","raw_action":"ADD","raw_line":"Add 15.201.0.0-15.201.255.255","resource_type":"ipv4","resource":"15.201.0.0/16","start":"15.201.0.0","end":"15.201.255.255","classification":"INTRA_RIR_TRANSFER","classification_label":"Intra-ARIN transfer","confidence":"CONFIRMED","source_rir":"ARIN","recipient_rir":"ARIN","source_organization":"DXC US Latin America Corporation","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":"2026-10-13T23:53:25+00:00","page":"https://rirtracker.com/ip/15.201.0.0-15.201.255.255/#e-656ddc662d448739","report_page":"https://rirtracker.com/arin/reports/2022-07-11/","evidence_url":"https://rirtracker.com/api/v1/resources/ip/15.201.0.0-15.201.255.255.json","explanation":"ARIN's transfer log records a transfer from DXC US Latin America Corporation (ARIN) to Amazon.com, Inc. (ARIN) on 2022-07-11 19:05 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-July/004959.html","retrieved_at":"2026-10-12T18:41:49+00:00","summary":"ARIN-Issued report for 2022-07-11: \"Add 15.201.0.0-15.201.255.255\""},{"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 2022-07-11 19:05 UTC, DXC US Latin America Corporation (ARIN) to Amazon.com, Inc. (ARIN); resources moved: 15.201.0.0/16"},{"type":"delegated_before","url":"https://ftp.arin.net/pub/stats/arin/archive/2022/delegated-arin-extended-20220710.gz","retrieved_at":"2026-10-12T23:04:17+00:00","summary":"ARIN delegated statistics 2022-07-10 (produced 2022-07-10T13:00:08+00:00), before the report: allocated (dated 1994-07-01)"},{"type":"delegated_after","url":"https://ftp.arin.net/pub/stats/arin/archive/2022/delegated-arin-extended-20220712.gz","retrieved_at":"2026-10-12T23:04:21+00:00","summary":"ARIN delegated statistics 2022-07-12 (produced 2022-07-12T13:00:09+00:00), after the report: allocated (dated 2022-07-11)"}]}],"classification_history":{"b272a6461bbe7607":[{"raw_change_id":575886,"classification_code":"MERGER_ACQUISITION","confidence":"CONFIRMED","classifier_version":"1.4.0","classified_at":"2026-10-14T00:19:27+00:00","current":1,"public_explanation":"ARIN's transfer log records a merger, acquisition or reorganization from Amazon.com, Inc. (ARIN) to Darkstar Technologies (ARIN) on 2026-04-22 13:16 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."}],"74dd6716a92d0a0e":[{"raw_change_id":571024,"classification_code":"MERGER_ACQUISITION","confidence":"CONFIRMED","classifier_version":"1.4.0","classified_at":"2026-10-14T00:19:15+00:00","current":1,"public_explanation":"ARIN's transfer log records a merger, acquisition or reorganization from Amazon.com, Inc. (ARIN) to Amazon.com, Inc. (ARIN) on 2024-05-23 18:06 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."}],"656ddc662d448739":[{"raw_change_id":177216,"classification_code":"INTRA_RIR_TRANSFER","confidence":"CONFIRMED","classifier_version":"1.3.0","classified_at":"2026-10-13T03:56:20+00:00","current":0,"public_explanation":"ARIN's transfer log records a transfer from DXC US Latin America Corporation (ARIN) to Amazon.com, Inc. (ARIN) on 2022-07-11 19:05 UTC. ARIN-Issued lists it as \"Add\" because the registration changed hands; it is not a new allocation from ARIN."},{"raw_change_id":177216,"classification_code":"INTRA_RIR_TRANSFER","confidence":"CONFIRMED","classifier_version":"1.3.1","classified_at":"2026-10-13T08:07:15+00:00","current":0,"public_explanation":"ARIN's transfer log records a transfer from DXC US Latin America Corporation (ARIN) to Amazon.com, Inc. (ARIN) on 2022-07-11 19:05 UTC. ARIN-Issued lists it as \"Add\" because the registration changed hands; it is not a new allocation from ARIN."},{"raw_change_id":177216,"classification_code":"INTRA_RIR_TRANSFER","confidence":"CONFIRMED","classifier_version":"1.3.2","classified_at":"2026-10-13T14:50:03+00:00","current":0,"public_explanation":"ARIN's transfer log records a transfer from DXC US Latin America Corporation (ARIN) to Amazon.com, Inc. (ARIN) on 2022-07-11 19:05 UTC. ARIN-Issued lists it as \"Add\" because the registration changed hands; it is not a new allocation from ARIN."},{"raw_change_id":177216,"classification_code":"INTRA_RIR_TRANSFER","confidence":"CONFIRMED","classifier_version":"1.4.0","classified_at":"2026-10-13T23:53:25+00:00","current":1,"public_explanation":"ARIN's transfer log records a transfer from DXC US Latin America Corporation (ARIN) to Amazon.com, Inc. (ARIN) on 2022-07-11 19:05 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 2022-07-11)"}}