{"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":"152.137.0.0/16","resource_type":"ipv4","page":"https://rirtracker.com/ip/152.137.0.0-152.137.255.255/","statistics_now":{"registry":"ARIN","status":"allocated (dated 2020-06-26)"},"current_holder":{"rir":"ARIN","org":"Amazon Technologies Inc.","how":"ARIN's latest statistics and the latest transfer record"},"rdap_snapshots":[],"transfers":[{"id":20944,"date":"2020-06-26T19:17:15Z","type":"RESOURCE_TRANSFER","source_rir":"ARIN","recipient_rir":"ARIN","source_org":"Dominion Energy Questar Corporation","recipient_org":"Amazon Technologies Inc.","range":"152.137.0.0/16","log":"ARIN"},{"id":20852,"date":"2020-06-05T15:18:29Z","type":"MERGER_ACQUISITION","source_rir":"ARIN","recipient_rir":"ARIN","source_org":"Questar Corporation","recipient_org":"Dominion Energy Questar Corporation","range":"152.137.0.0/16","log":"ARIN"}],"events":[{"event_id":"9c5e8df9143c712e","registry":"ARIN","report_date":"2020-06-26","source":"arin_issued","raw_action":"ADD","raw_line":"Add 152.137.0.0-152.137.255.255","resource_type":"ipv4","resource":"152.137.0.0/16","start":"152.137.0.0","end":"152.137.255.255","classification":"INTRA_RIR_TRANSFER","classification_label":"Intra-ARIN transfer","confidence":"CONFIRMED","source_rir":"ARIN","recipient_rir":"ARIN","source_organization":"Dominion Energy Questar Corporation","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":"2026-10-13T23:52:52+00:00","page":"https://rirtracker.com/ip/152.137.0.0-152.137.255.255/#e-9c5e8df9143c712e","report_page":"https://rirtracker.com/arin/reports/2020-06-26/","evidence_url":"https://rirtracker.com/api/v1/resources/ip/152.137.0.0-152.137.255.255.json","explanation":"ARIN's transfer log records a transfer from Dominion Energy Questar Corporation (ARIN) to Amazon Technologies Inc. (ARIN) on 2020-06-26 19:17 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-June/004214.html","retrieved_at":"2026-10-12T18:40:56+00:00","summary":"ARIN-Issued report for 2020-06-26: \"Add 152.137.0.0-152.137.255.255\""},{"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 2020-06-26 19:17 UTC, Dominion Energy Questar Corporation (ARIN) to Amazon Technologies Inc. (ARIN); resources moved: 152.137.0.0/16"},{"type":"delegated_before","url":"https://ftp.arin.net/pub/stats/arin/archive/2020/delegated-arin-extended-20200625.gz","retrieved_at":"2026-10-12T22:26:17+00:00","summary":"ARIN delegated statistics 2020-06-25 (produced 2020-06-25T14:00:14+00:00), before the report: assigned (dated 1991-08-20)"},{"type":"delegated_after","url":"https://ftp.arin.net/pub/stats/arin/archive/2020/delegated-arin-extended-20200627.gz","retrieved_at":"2026-10-12T22:26:22+00:00","summary":"ARIN delegated statistics 2020-06-27 (produced 2020-06-27T14:00:13+00:00), after the report: allocated (dated 2020-06-26)"}]},{"event_id":"e0b3a8916c8d169e","registry":"ARIN","report_date":"2020-06-05","source":"transfers","raw_action":"TRANSFER","raw_line":null,"resource_type":"ipv4","resource":"152.137.0.0/16","start":"152.137.0.0","end":"152.137.255.255","classification":"MERGER_ACQUISITION","classification_label":"Merger/acquisition or reorganization","confidence":"CONFIRMED","source_rir":"ARIN","recipient_rir":"ARIN","source_organization":"Questar Corporation","recipient_organization":"Dominion Energy Questar Corporation","inventory_effect":"No effect on ARIN applicant inventory","inventory_effect_code":"NO_EFFECT","provisional":false,"classifier_version":"1.4.0","classified_at":"2026-10-14T00:18:50+00:00","page":"https://rirtracker.com/ip/152.137.0.0-152.137.255.255/#e-e0b3a8916c8d169e","report_page":"https://rirtracker.com/arin/reports/2020-06-05/","evidence_url":"https://rirtracker.com/api/v1/resources/ip/152.137.0.0-152.137.255.255.json","observed":"Merger/acquisition: Questar Corporation (ARIN) to Dominion Energy Questar Corporation (ARIN)","explanation":"ARIN's transfer log records a merger, acquisition or reorganization from Questar Corporation (ARIN) to Dominion Energy Questar Corporation (ARIN) on 2020-06-05 15:18 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 2020-06-05 15:18 UTC, Questar Corporation (ARIN) to Dominion Energy Questar Corporation (ARIN); resources moved: 152.137.0.0/16"},{"type":"delegated_before","url":"https://ftp.arin.net/pub/stats/arin/archive/2020/delegated-arin-extended-20200604.gz","retrieved_at":"2026-10-12T22:25:11+00:00","summary":"ARIN delegated statistics 2020-06-04 (produced 2020-06-04T14:00:13+00:00), before the report: assigned (dated 1991-08-20)"},{"type":"delegated_after","url":"https://ftp.arin.net/pub/stats/arin/archive/2020/delegated-arin-extended-20200606.gz","retrieved_at":"2026-10-12T22:25:23+00:00","summary":"ARIN delegated statistics 2020-06-06 (produced 2020-06-06T14:00:12+00:00), after the report: assigned (dated 1991-08-20)"}]}],"classification_history":{"9c5e8df9143c712e":[{"raw_change_id":166063,"classification_code":"INTRA_RIR_TRANSFER","confidence":"CONFIRMED","classifier_version":"1.3.0","classified_at":"2026-10-13T03:48:39+00:00","current":0,"public_explanation":"ARIN's transfer log records a transfer from Dominion Energy Questar Corporation (ARIN) to Amazon Technologies Inc. (ARIN) on 2020-06-26 19:17 UTC. ARIN-Issued lists it as \"Add\" because the registration changed hands; it is not a new allocation from ARIN."},{"raw_change_id":166063,"classification_code":"INTRA_RIR_TRANSFER","confidence":"CONFIRMED","classifier_version":"1.3.1","classified_at":"2026-10-13T08:06:49+00:00","current":0,"public_explanation":"ARIN's transfer log records a transfer from Dominion Energy Questar Corporation (ARIN) to Amazon Technologies Inc. (ARIN) on 2020-06-26 19:17 UTC. ARIN-Issued lists it as \"Add\" because the registration changed hands; it is not a new allocation from ARIN."},{"raw_change_id":166063,"classification_code":"INTRA_RIR_TRANSFER","confidence":"CONFIRMED","classifier_version":"1.3.2","classified_at":"2026-10-13T14:49:34+00:00","current":0,"public_explanation":"ARIN's transfer log records a transfer from Dominion Energy Questar Corporation (ARIN) to Amazon Technologies Inc. (ARIN) on 2020-06-26 19:17 UTC. ARIN-Issued lists it as \"Add\" because the registration changed hands; it is not a new allocation from ARIN."},{"raw_change_id":166063,"classification_code":"INTRA_RIR_TRANSFER","confidence":"CONFIRMED","classifier_version":"1.4.0","classified_at":"2026-10-13T23:52:52+00:00","current":1,"public_explanation":"ARIN's transfer log records a transfer from Dominion Energy Questar Corporation (ARIN) to Amazon Technologies Inc. (ARIN) on 2020-06-26 19:17 UTC. ARIN-Issued lists it as \"Add\" because the registration changed hands; it is not a new allocation from ARIN."}],"e0b3a8916c8d169e":[{"raw_change_id":560583,"classification_code":"MERGER_ACQUISITION","confidence":"CONFIRMED","classifier_version":"1.4.0","classified_at":"2026-10-14T00:18:50+00:00","current":1,"public_explanation":"ARIN's transfer log records a merger, acquisition or reorganization from Questar Corporation (ARIN) to Dominion Energy Questar Corporation (ARIN) on 2020-06-05 15:18 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 2020-06-26)"}}