{"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":"164.153.0.0 - 164.153.23.255","resource_type":"ipv4","page":"https://rirtracker.com/ip/164.153.0.0-164.153.23.255/","statistics_now":{"registry":"ARIN","status":"allocated (dated 2020-10-19)"},"current_holder":{"rir":"ARIN","org":"SD Data Center","how":"ARIN's latest statistics and the latest transfer record"},"rdap_snapshots":[],"transfers":[{"id":21757,"date":"2020-10-19T19:55:04Z","type":"RESOURCE_TRANSFER","source_rir":"ARIN","recipient_rir":"ARIN","source_org":"Adaptiv Networks Inc.","recipient_org":"SD Data Center","range":"164.153.0.0/20","log":"ARIN"},{"id":21756,"date":"2020-10-19T19:55:04Z","type":"RESOURCE_TRANSFER","source_rir":"ARIN","recipient_rir":"ARIN","source_org":"Adaptiv Networks Inc.","recipient_org":"SD Data Center","range":"164.153.16.0/21","log":"ARIN"},{"id":16982,"date":"2019-02-14T20:59:47Z","type":"RESOURCE_TRANSFER","source_rir":"ARIN","recipient_rir":"ARIN","source_org":"Burlington Coat Factory Warehouse","recipient_org":"TELoIP Inc.","range":"164.153.0.0/16","log":"ARIN"}],"events":[{"event_id":"6a8d710ff3fca163","registry":"ARIN","report_date":"2020-10-19","source":"arin_issued","raw_action":"ADD","raw_line":"Add 164.153.0.0-164.153.23.255","resource_type":"ipv4","resource":"164.153.0.0 - 164.153.23.255","start":"164.153.0.0","end":"164.153.23.255","classification":"INTRA_RIR_TRANSFER","classification_label":"Intra-ARIN transfer","confidence":"CONFIRMED","source_rir":"ARIN","recipient_rir":"ARIN","source_organization":"Adaptiv Networks Inc.","recipient_organization":"SD Data Center","inventory_effect":"No effect on ARIN applicant inventory","inventory_effect_code":"NO_EFFECT","provisional":false,"classifier_version":"1.4.0","classified_at":"2026-10-13T23:52:59+00:00","page":"https://rirtracker.com/ip/164.153.0.0-164.153.23.255/#e-6a8d710ff3fca163","report_page":"https://rirtracker.com/arin/reports/2020-10-19/","evidence_url":"https://rirtracker.com/api/v1/resources/ip/164.153.0.0-164.153.23.255.json","explanation":"ARIN's transfer log records a transfer from Adaptiv Networks Inc. (ARIN) to SD Data Center (ARIN), recorded as 2 transfer records that together cover exactly this range, on 2020-10-19 19:55 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-October/004329.html","retrieved_at":"2026-10-12T18:41:04+00:00","summary":"ARIN-Issued report for 2020-10-19: \"Add 164.153.0.0-164.153.23.255\""},{"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 2020-10-19 19:55 UTC, Adaptiv Networks Inc. (ARIN) to SD Data Center (ARIN); resources moved: 164.153.0.0/20"},{"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 2020-10-19 19:55 UTC, Adaptiv Networks Inc. (ARIN) to SD Data Center (ARIN); resources moved: 164.153.16.0/21"},{"type":"delegated_before","url":"https://ftp.arin.net/pub/stats/arin/archive/2020/delegated-arin-extended-20201018.gz","retrieved_at":"2026-10-12T22:31:59+00:00","summary":"ARIN delegated statistics 2020-10-18 (produced 2020-10-18T14:00:14+00:00), before the report: allocated (dated 2019-02-14)"},{"type":"delegated_after","url":"https://ftp.arin.net/pub/stats/arin/archive/2020/delegated-arin-extended-20201020.gz","retrieved_at":"2026-10-12T22:32:05+00:00","summary":"ARIN delegated statistics 2020-10-20 (produced 2020-10-20T14:00:14+00:00), after the report: allocated (dated 2020-10-19)"}]}],"classification_history":{"6a8d710ff3fca163":[{"raw_change_id":168078,"classification_code":"INTRA_RIR_TRANSFER","confidence":"CONFIRMED","classifier_version":"1.3.0","classified_at":"2026-10-13T03:50:04+00:00","current":0,"public_explanation":"ARIN's transfer log records a transfer from Adaptiv Networks Inc. (ARIN) to SD Data Center (ARIN), recorded as 2 transfer records that together cover exactly this range, on 2020-10-19 19:55 UTC. ARIN-Issued lists it as \"Add\" because the registration changed hands; it is not a new allocation from ARIN."},{"raw_change_id":168078,"classification_code":"INTRA_RIR_TRANSFER","confidence":"CONFIRMED","classifier_version":"1.3.1","classified_at":"2026-10-13T08:06:54+00:00","current":0,"public_explanation":"ARIN's transfer log records a transfer from Adaptiv Networks Inc. (ARIN) to SD Data Center (ARIN), recorded as 2 transfer records that together cover exactly this range, on 2020-10-19 19:55 UTC. ARIN-Issued lists it as \"Add\" because the registration changed hands; it is not a new allocation from ARIN."},{"raw_change_id":168078,"classification_code":"INTRA_RIR_TRANSFER","confidence":"CONFIRMED","classifier_version":"1.3.2","classified_at":"2026-10-13T14:49:40+00:00","current":0,"public_explanation":"ARIN's transfer log records a transfer from Adaptiv Networks Inc. (ARIN) to SD Data Center (ARIN), recorded as 2 transfer records that together cover exactly this range, on 2020-10-19 19:55 UTC. ARIN-Issued lists it as \"Add\" because the registration changed hands; it is not a new allocation from ARIN."},{"raw_change_id":168078,"classification_code":"INTRA_RIR_TRANSFER","confidence":"CONFIRMED","classifier_version":"1.4.0","classified_at":"2026-10-13T23:52:59+00:00","current":1,"public_explanation":"ARIN's transfer log records a transfer from Adaptiv Networks Inc. (ARIN) to SD Data Center (ARIN), recorded as 2 transfer records that together cover exactly this range, on 2020-10-19 19:55 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 2020-10-19)"}}