{"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":"156.64.0.0/16","resource_type":"ipv4","page":"https://rirtracker.com/ip/156.64.0.0-156.64.255.255/","statistics_now":{"registry":"ARIN","status":"allocated (dated 2020-07-23)"},"current_holder":{"rir":"ARIN","org":"Amazon Technologies Inc.","how":"ARIN's latest statistics and the latest transfer record"},"rdap_snapshots":[],"transfers":[{"id":21110,"date":"2020-07-23T20:47:28Z","type":"RESOURCE_TRANSFER","source_rir":"ARIN","recipient_rir":"ARIN","source_org":"Squire Patton Boggs","recipient_org":"Amazon Technologies Inc.","range":"156.64.0.0/16","log":"ARIN"},{"id":20951,"date":"2020-06-29T15:41:22Z","type":"MERGER_ACQUISITION","source_rir":"ARIN","recipient_rir":"ARIN","source_org":"Graham & James Information Systems Division","recipient_org":"Squire Patton Boggs","range":"156.64.0.0/16","log":"ARIN"}],"events":[{"event_id":"f5e6c1e4203ccd52","registry":"ARIN","report_date":"2020-07-23","source":"arin_issued","raw_action":"ADD","raw_line":"Add 156.64.0.0-156.64.255.255","resource_type":"ipv4","resource":"156.64.0.0/16","start":"156.64.0.0","end":"156.64.255.255","classification":"INTRA_RIR_TRANSFER","classification_label":"Intra-ARIN transfer","confidence":"CONFIRMED","source_rir":"ARIN","recipient_rir":"ARIN","source_organization":"Squire Patton Boggs","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":"2026-10-13T23:52:54+00:00","page":"https://rirtracker.com/ip/156.64.0.0-156.64.255.255/#e-f5e6c1e4203ccd52","report_page":"https://rirtracker.com/arin/reports/2020-07-23/","evidence_url":"https://rirtracker.com/api/v1/resources/ip/156.64.0.0-156.64.255.255.json","explanation":"ARIN's transfer log records a transfer from Squire Patton Boggs (ARIN) to Amazon Technologies Inc. (ARIN) on 2020-07-23 20:47 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-July/004241.html","retrieved_at":"2026-10-12T18:40:58+00:00","summary":"ARIN-Issued report for 2020-07-23: \"Add 156.64.0.0-156.64.255.255\""},{"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 2020-07-23 20:47 UTC, Squire Patton Boggs (ARIN) to Amazon Technologies Inc. (ARIN); resources moved: 156.64.0.0/16"},{"type":"delegated_before","url":"https://ftp.arin.net/pub/stats/arin/archive/2020/delegated-arin-extended-20200722.gz","retrieved_at":"2026-10-12T22:27:32+00:00","summary":"ARIN delegated statistics 2020-07-22 (produced 2020-07-22T14:00:13+00:00), before the report: assigned (dated 1991-12-13)"},{"type":"delegated_after","url":"https://ftp.arin.net/pub/stats/arin/archive/2020/delegated-arin-extended-20200724.gz","retrieved_at":"2026-10-12T22:27:37+00:00","summary":"ARIN delegated statistics 2020-07-24 (produced 2020-07-24T14:00:12+00:00), after the report: allocated (dated 2020-07-23)"}]},{"event_id":"5d085a1390152781","registry":"ARIN","report_date":"2020-06-29","source":"transfers","raw_action":"TRANSFER","raw_line":null,"resource_type":"ipv4","resource":"156.64.0.0/16","start":"156.64.0.0","end":"156.64.255.255","classification":"MERGER_ACQUISITION","classification_label":"Merger/acquisition or reorganization","confidence":"CONFIRMED","source_rir":"ARIN","recipient_rir":"ARIN","source_organization":"Graham & James Information Systems Division","recipient_organization":"Squire Patton Boggs","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/156.64.0.0-156.64.255.255/#e-5d085a1390152781","report_page":"https://rirtracker.com/arin/reports/2020-06-29/","evidence_url":"https://rirtracker.com/api/v1/resources/ip/156.64.0.0-156.64.255.255.json","observed":"Merger/acquisition: Graham & James Information Systems Division (ARIN) to Squire Patton Boggs (ARIN)","explanation":"ARIN's transfer log records a merger, acquisition or reorganization from Graham & James Information Systems Division (ARIN) to Squire Patton Boggs (ARIN) on 2020-06-29 15:41 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 2020-06-29 15:41 UTC, Graham & James Information Systems Division (ARIN) to Squire Patton Boggs (ARIN); resources moved: 156.64.0.0/16"},{"type":"delegated_before","url":"https://ftp.arin.net/pub/stats/arin/archive/2020/delegated-arin-extended-20200628.gz","retrieved_at":"2026-10-12T22:26:24+00:00","summary":"ARIN delegated statistics 2020-06-28 (produced 2020-06-28T14:00:13+00:00), before the report: assigned (dated 1991-12-13)"},{"type":"delegated_after","url":"https://ftp.arin.net/pub/stats/arin/archive/2020/delegated-arin-extended-20200630.gz","retrieved_at":"2026-10-12T22:26:29+00:00","summary":"ARIN delegated statistics 2020-06-30 (produced 2020-06-30T14:00:13+00:00), after the report: assigned (dated 1991-12-13)"}]}],"classification_history":{"f5e6c1e4203ccd52":[{"raw_change_id":166669,"classification_code":"INTRA_RIR_TRANSFER","confidence":"CONFIRMED","classifier_version":"1.3.0","classified_at":"2026-10-13T03:49:06+00:00","current":0,"public_explanation":"ARIN's transfer log records a transfer from Squire Patton Boggs (ARIN) to Amazon Technologies Inc. (ARIN) on 2020-07-23 20:47 UTC. ARIN-Issued lists it as \"Add\" because the registration changed hands; it is not a new allocation from ARIN."},{"raw_change_id":166669,"classification_code":"INTRA_RIR_TRANSFER","confidence":"CONFIRMED","classifier_version":"1.3.1","classified_at":"2026-10-13T08:06:51+00:00","current":0,"public_explanation":"ARIN's transfer log records a transfer from Squire Patton Boggs (ARIN) to Amazon Technologies Inc. (ARIN) on 2020-07-23 20:47 UTC. ARIN-Issued lists it as \"Add\" because the registration changed hands; it is not a new allocation from ARIN."},{"raw_change_id":166669,"classification_code":"INTRA_RIR_TRANSFER","confidence":"CONFIRMED","classifier_version":"1.3.2","classified_at":"2026-10-13T14:49:36+00:00","current":0,"public_explanation":"ARIN's transfer log records a transfer from Squire Patton Boggs (ARIN) to Amazon Technologies Inc. (ARIN) on 2020-07-23 20:47 UTC. ARIN-Issued lists it as \"Add\" because the registration changed hands; it is not a new allocation from ARIN."},{"raw_change_id":166669,"classification_code":"INTRA_RIR_TRANSFER","confidence":"CONFIRMED","classifier_version":"1.4.0","classified_at":"2026-10-13T23:52:54+00:00","current":1,"public_explanation":"ARIN's transfer log records a transfer from Squire Patton Boggs (ARIN) to Amazon Technologies Inc. (ARIN) on 2020-07-23 20:47 UTC. ARIN-Issued lists it as \"Add\" because the registration changed hands; it is not a new allocation from ARIN."}],"5d085a1390152781":[{"raw_change_id":560627,"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 Graham & James Information Systems Division (ARIN) to Squire Patton Boggs (ARIN) on 2020-06-29 15:41 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 2020-07-23)"}}