{"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":"16.154.0.0/16","resource_type":"ipv4","page":"https://rirtracker.com/ip/16.154.0.0-16.154.255.255/","statistics_now":{"registry":"ARIN","status":"allocated (dated 2022-08-30)"},"current_holder":{"rir":"ARIN","org":"Amazon.com, Inc.","how":"ARIN's latest statistics and the latest transfer record"},"rdap_snapshots":[],"transfers":[{"id":22314,"date":"2020-12-21T19:09:10Z","type":"RESOURCE_TRANSFER","source_rir":"ARIN","recipient_rir":"ARIN","source_org":"Amazon Technologies Inc.","recipient_org":"Amazon.com, Inc.","range":"16.154.0.0/16","log":"ARIN"},{"id":19551,"date":"2019-12-17T20:38:44Z","type":"RESOURCE_TRANSFER","source_rir":"ARIN","recipient_rir":"ARIN","source_org":"HEWLETT PACKARD ENTERPRISE COMPANY","recipient_org":"Amazon Technologies Inc.","range":"16.154.0.0/16","log":"ARIN"},{"id":9626,"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":"16.0.0.0/8","log":"ARIN"}],"events":[{"event_id":"f5d8ac1e14b04d1e","registry":"ARIN","report_date":"2020-12-21","source":"arin_issued","raw_action":"ADD","raw_line":"Add 16.154.0.0-16.154.255.255","resource_type":"ipv4","resource":"16.154.0.0/16","start":"16.154.0.0","end":"16.154.255.255","classification":"INTRA_RIR_TRANSFER","classification_label":"Intra-ARIN transfer","confidence":"CONFIRMED","source_rir":"ARIN","recipient_rir":"ARIN","source_organization":"Amazon Technologies 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":"2026-10-13T23:53:02+00:00","page":"https://rirtracker.com/ip/16.154.0.0-16.154.255.255/#e-f5d8ac1e14b04d1e","report_page":"https://rirtracker.com/arin/reports/2020-12-21/","evidence_url":"https://rirtracker.com/api/v1/resources/ip/16.154.0.0-16.154.255.255.json","explanation":"ARIN's transfer log records a transfer from Amazon Technologies Inc. (ARIN) to Amazon.com, Inc. (ARIN) on 2020-12-21 19:09 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/2020-December/004392.html","retrieved_at":"2026-10-12T18:41:09+00:00","summary":"ARIN-Issued report for 2020-12-21: \"Add 16.154.0.0-16.154.255.255\""},{"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 2020-12-21 19:09 UTC, Amazon Technologies Inc. (ARIN) to Amazon.com, Inc. (ARIN); resources moved: 16.154.0.0/16"},{"type":"delegated_before","url":"https://ftp.arin.net/pub/stats/arin/archive/2020/delegated-arin-extended-20201220.gz","retrieved_at":"2026-10-12T22:35:24+00:00","summary":"ARIN delegated statistics 2020-12-20 (produced 2020-12-20T15:00:13+00:00), before the report: allocated (dated 2019-12-17)"},{"type":"delegated_after","url":"https://ftp.arin.net/pub/stats/arin/archive/2020/delegated-arin-extended-20201222.gz","retrieved_at":"2026-10-12T22:35:29+00:00","summary":"ARIN delegated statistics 2020-12-22 (produced 2020-12-22T15:00:13+00:00), after the report: allocated (dated 2020-12-21)"}]},{"event_id":"4a8d6c44db48a340","registry":"ARIN","report_date":"2019-12-17","source":"arin_issued","raw_action":"ADD","raw_line":"Add 16.154.0.0-16.154.255.255","resource_type":"ipv4","resource":"16.154.0.0/16","start":"16.154.0.0","end":"16.154.255.255","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 Technologies Inc.","inventory_effect":"No effect on ARIN applicant inventory","inventory_effect_code":"NO_EFFECT","provisional":false,"classifier_version":"1.4.0","classified_at":"2026-10-13T23:52:40+00:00","page":"https://rirtracker.com/ip/16.154.0.0-16.154.255.255/#e-4a8d6c44db48a340","report_page":"https://rirtracker.com/arin/reports/2019-12-17/","evidence_url":"https://rirtracker.com/api/v1/resources/ip/16.154.0.0-16.154.255.255.json","piece_of":{"resource":"16.0.0.0/8","page":"https://rirtracker.com/ip/16.0.0.0-16.255.255.255/"},"explanation":"ARIN's transfer log records a transfer from HEWLETT PACKARD ENTERPRISE COMPANY (ARIN) to Amazon Technologies Inc. (ARIN) on 2019-12-17 20:38 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/2019-December/004023.html","retrieved_at":"2026-10-12T18:40:43+00:00","summary":"ARIN-Issued report for 2019-12-17: \"Add 16.154.0.0-16.154.255.255\""},{"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 2019-12-17 20:38 UTC, HEWLETT PACKARD ENTERPRISE COMPANY (ARIN) to Amazon Technologies Inc. (ARIN); resources moved: 16.154.0.0/16"},{"type":"delegated_before","url":"https://ftp.arin.net/pub/stats/arin/archive/2019/delegated-arin-extended-20191216.gz","retrieved_at":"2026-10-12T22:16:01+00:00","summary":"ARIN delegated statistics 2019-12-16 (produced 2019-12-16T15:00:13+00:00), before the report: assigned (dated 1989-05-18)"},{"type":"delegated_after","url":"https://ftp.arin.net/pub/stats/arin/archive/2019/delegated-arin-extended-20191218.gz","retrieved_at":"2026-10-12T22:16:06+00:00","summary":"ARIN delegated statistics 2019-12-18 (produced 2019-12-18T15:00:14+00:00), after the report: allocated (dated 2019-12-17)"}]}],"classification_history":{"f5d8ac1e14b04d1e":[{"raw_change_id":168929,"classification_code":"INTRA_RIR_TRANSFER","confidence":"CONFIRMED","classifier_version":"1.3.0","classified_at":"2026-10-13T03:50:42+00:00","current":0,"public_explanation":"ARIN's transfer log records a transfer from Amazon Technologies Inc. (ARIN) to Amazon.com, Inc. (ARIN) on 2020-12-21 19:09 UTC. ARIN-Issued lists it as \"Add\" because the registration changed hands; it is not a new allocation from ARIN."},{"raw_change_id":168929,"classification_code":"INTRA_RIR_TRANSFER","confidence":"CONFIRMED","classifier_version":"1.3.1","classified_at":"2026-10-13T08:06:56+00:00","current":0,"public_explanation":"ARIN's transfer log records a transfer from Amazon Technologies Inc. (ARIN) to Amazon.com, Inc. (ARIN) on 2020-12-21 19:09 UTC. ARIN-Issued lists it as \"Add\" because the registration changed hands; it is not a new allocation from ARIN."},{"raw_change_id":168929,"classification_code":"INTRA_RIR_TRANSFER","confidence":"CONFIRMED","classifier_version":"1.3.2","classified_at":"2026-10-13T14:49:43+00:00","current":0,"public_explanation":"ARIN's transfer log records a transfer from Amazon Technologies Inc. (ARIN) to Amazon.com, Inc. (ARIN) on 2020-12-21 19:09 UTC. ARIN-Issued lists it as \"Add\" because the registration changed hands; it is not a new allocation from ARIN."},{"raw_change_id":168929,"classification_code":"INTRA_RIR_TRANSFER","confidence":"CONFIRMED","classifier_version":"1.4.0","classified_at":"2026-10-13T23:53:02+00:00","current":1,"public_explanation":"ARIN's transfer log records a transfer from Amazon Technologies Inc. (ARIN) to Amazon.com, Inc. (ARIN) on 2020-12-21 19:09 UTC. ARIN-Issued lists it as \"Add\" because the registration changed hands; it is not a new allocation from ARIN."}],"4a8d6c44db48a340":[{"raw_change_id":162650,"classification_code":"INTRA_RIR_TRANSFER","confidence":"CONFIRMED","classifier_version":"1.3.0","classified_at":"2026-10-13T03:46:28+00:00","current":0,"public_explanation":"ARIN's transfer log records a transfer from HEWLETT PACKARD ENTERPRISE COMPANY (ARIN) to Amazon Technologies Inc. (ARIN) on 2019-12-17 20:38 UTC. ARIN-Issued lists it as \"Add\" because the registration changed hands; it is not a new allocation from ARIN."},{"raw_change_id":162650,"classification_code":"INTRA_RIR_TRANSFER","confidence":"CONFIRMED","classifier_version":"1.3.1","classified_at":"2026-10-13T08:06:40+00:00","current":0,"public_explanation":"ARIN's transfer log records a transfer from HEWLETT PACKARD ENTERPRISE COMPANY (ARIN) to Amazon Technologies Inc. (ARIN) on 2019-12-17 20:38 UTC. ARIN-Issued lists it as \"Add\" because the registration changed hands; it is not a new allocation from ARIN."},{"raw_change_id":162650,"classification_code":"INTRA_RIR_TRANSFER","confidence":"CONFIRMED","classifier_version":"1.3.2","classified_at":"2026-10-13T14:49:24+00:00","current":0,"public_explanation":"ARIN's transfer log records a transfer from HEWLETT PACKARD ENTERPRISE COMPANY (ARIN) to Amazon Technologies Inc. (ARIN) on 2019-12-17 20:38 UTC. ARIN-Issued lists it as \"Add\" because the registration changed hands; it is not a new allocation from ARIN."},{"raw_change_id":162650,"classification_code":"INTRA_RIR_TRANSFER","confidence":"CONFIRMED","classifier_version":"1.4.0","classified_at":"2026-10-13T23:52:40+00:00","current":1,"public_explanation":"ARIN's transfer log records a transfer from HEWLETT PACKARD ENTERPRISE COMPANY (ARIN) to Amazon Technologies Inc. (ARIN) on 2019-12-17 20:38 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 2022-08-30)"}}