{"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":"52.129.128.0/17","resource_type":"ipv4","page":"https://rirtracker.com/ip/52.129.128.0-52.129.255.255/","statistics_now":{"registry":"ARIN","status":"allocated (dated 2016-08-09)"},"current_holder":{"rir":"ARIN","org":"Twitch Interactive Inc.","how":"ARIN's latest statistics and the latest transfer record"},"rdap_snapshots":[],"transfers":[{"id":28354,"date":"2022-06-22T19:33:36Z","type":"MERGER_ACQUISITION","source_rir":"ARIN","recipient_rir":"ARIN","source_org":"Amazon Technologies Inc.","recipient_org":"Twitch Interactive Inc.","range":"52.129.128.0/17","log":"ARIN"},{"id":7516,"date":"2016-08-09T18:12:30Z","type":"RESOURCE_TRANSFER","source_rir":"ARIN","recipient_rir":"ARIN","source_org":"E.I. du Pont de Nemours and Co., Inc.","recipient_org":"Amazon Technologies Inc.","range":"52.129.128.0/17","log":"ARIN"}],"events":[{"event_id":"f3d1402f103116e7","registry":"ARIN","report_date":"2022-06-22","source":"transfers","raw_action":"TRANSFER","raw_line":null,"resource_type":"ipv4","resource":"52.129.128.0/17","start":"52.129.128.0","end":"52.129.255.255","classification":"MERGER_ACQUISITION","classification_label":"Merger/acquisition or reorganization","confidence":"CONFIRMED","source_rir":"ARIN","recipient_rir":"ARIN","source_organization":"Amazon Technologies Inc.","recipient_organization":"Twitch Interactive Inc.","inventory_effect":"No effect on ARIN applicant inventory","inventory_effect_code":"NO_EFFECT","provisional":false,"classifier_version":"1.4.0","classified_at":"2026-10-14T00:19:02+00:00","page":"https://rirtracker.com/ip/52.129.128.0-52.129.255.255/#e-f3d1402f103116e7","report_page":"https://rirtracker.com/arin/reports/2022-06-22/","evidence_url":"https://rirtracker.com/api/v1/resources/ip/52.129.128.0-52.129.255.255.json","observed":"Merger/acquisition: Amazon Technologies Inc. (ARIN) to Twitch Interactive Inc. (ARIN)","explanation":"ARIN's transfer log records a merger, acquisition or reorganization from Amazon Technologies Inc. (ARIN) to Twitch Interactive Inc. (ARIN) on 2022-06-22 19:33 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 2022-06-22 19:33 UTC, Amazon Technologies Inc. (ARIN) to Twitch Interactive Inc. (ARIN); resources moved: 52.129.128.0/17"},{"type":"delegated_before","url":"https://ftp.arin.net/pub/stats/arin/archive/2022/delegated-arin-extended-20220621.gz","retrieved_at":"2026-10-12T23:03:21+00:00","summary":"ARIN delegated statistics 2022-06-21 (produced 2022-06-21T13:00:08+00:00), before the report: allocated (dated 2016-08-09)"},{"type":"delegated_after","url":"https://ftp.arin.net/pub/stats/arin/archive/2022/delegated-arin-extended-20220623.gz","retrieved_at":"2026-10-12T23:03:26+00:00","summary":"ARIN delegated statistics 2022-06-23 (produced 2022-06-23T13:00:08+00:00), after the report: allocated (dated 2016-08-09)"}]},{"event_id":"6790153866da0c2f","registry":"ARIN","report_date":"2016-08-09","source":"arin_issued","raw_action":"ADD","raw_line":"Add 52.129.128.0-52.129.255.255","resource_type":"ipv4","resource":"52.129.128.0/17","start":"52.129.128.0","end":"52.129.255.255","classification":"INTRA_RIR_TRANSFER","classification_label":"Intra-ARIN transfer","confidence":"CONFIRMED","source_rir":"ARIN","recipient_rir":"ARIN","source_organization":"E.I. du Pont de Nemours and Co., Inc.","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":"2026-10-13T23:51:37+00:00","page":"https://rirtracker.com/ip/52.129.128.0-52.129.255.255/#e-6790153866da0c2f","report_page":"https://rirtracker.com/arin/reports/2016-08-09/","evidence_url":"https://rirtracker.com/api/v1/resources/ip/52.129.128.0-52.129.255.255.json","explanation":"ARIN's transfer log records a transfer from E.I. du Pont de Nemours and Co., Inc. (ARIN) to Amazon Technologies Inc. (ARIN) on 2016-08-09 18:12 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/2016-August/002798.html","retrieved_at":"2026-10-12T18:39:19+00:00","summary":"ARIN-Issued report for 2016-08-09: \"Add 52.129.128.0-52.129.255.255\""},{"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 2016-08-09 18:12 UTC, E.I. du Pont de Nemours and Co., Inc. (ARIN) to Amazon Technologies Inc. (ARIN); resources moved: 52.129.128.0/17"},{"type":"delegated_before","url":"https://ftp.arin.net/pub/stats/arin/archive/2016/delegated-arin-extended-20160808.gz","retrieved_at":"2026-10-12T21:14:30+00:00","summary":"ARIN delegated statistics 2016-08-08 (produced 2016-08-08T05:09:22+00:00), before the report: assigned (dated 1991-12-19)"},{"type":"delegated_after","url":"https://ftp.arin.net/pub/stats/arin/archive/2016/delegated-arin-extended-20160810.gz","retrieved_at":"2026-10-12T21:14:35+00:00","summary":"ARIN delegated statistics 2016-08-10 (produced 2016-08-10T05:09:35+00:00), after the report: allocated (dated 2016-08-09)"}]}],"classification_history":{"f3d1402f103116e7":[{"raw_change_id":565858,"classification_code":"MERGER_ACQUISITION","confidence":"CONFIRMED","classifier_version":"1.4.0","classified_at":"2026-10-14T00:19:02+00:00","current":1,"public_explanation":"ARIN's transfer log records a merger, acquisition or reorganization from Amazon Technologies Inc. (ARIN) to Twitch Interactive Inc. (ARIN) on 2022-06-22 19:33 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."}],"6790153866da0c2f":[{"raw_change_id":145845,"classification_code":"INTRA_RIR_TRANSFER","confidence":"CONFIRMED","classifier_version":"1.3.0","classified_at":"2026-10-13T03:35:48+00:00","current":0,"public_explanation":"ARIN's transfer log records a transfer from E.I. du Pont de Nemours and Co., Inc. (ARIN) to Amazon Technologies Inc. (ARIN) on 2016-08-09 18:12 UTC. ARIN-Issued lists it as \"Add\" because the registration changed hands; it is not a new allocation from ARIN."},{"raw_change_id":145845,"classification_code":"INTRA_RIR_TRANSFER","confidence":"CONFIRMED","classifier_version":"1.3.1","classified_at":"2026-10-13T08:05:53+00:00","current":0,"public_explanation":"ARIN's transfer log records a transfer from E.I. du Pont de Nemours and Co., Inc. (ARIN) to Amazon Technologies Inc. (ARIN) on 2016-08-09 18:12 UTC. ARIN-Issued lists it as \"Add\" because the registration changed hands; it is not a new allocation from ARIN."},{"raw_change_id":145845,"classification_code":"INTRA_RIR_TRANSFER","confidence":"CONFIRMED","classifier_version":"1.3.2","classified_at":"2026-10-13T14:48:31+00:00","current":0,"public_explanation":"ARIN's transfer log records a transfer from E.I. du Pont de Nemours and Co., Inc. (ARIN) to Amazon Technologies Inc. (ARIN) on 2016-08-09 18:12 UTC. ARIN-Issued lists it as \"Add\" because the registration changed hands; it is not a new allocation from ARIN."},{"raw_change_id":145845,"classification_code":"INTRA_RIR_TRANSFER","confidence":"CONFIRMED","classifier_version":"1.4.0","classified_at":"2026-10-13T23:51:37+00:00","current":1,"public_explanation":"ARIN's transfer log records a transfer from E.I. du Pont de Nemours and Co., Inc. (ARIN) to Amazon Technologies Inc. (ARIN) on 2016-08-09 18:12 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 2016-08-09)"}}