{"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":"164.52.0.0/16","resource_type":"ipv4","page":"https://rirtracker.com/ip/164.52.0.0-164.52.255.255/","statistics_now":{"registry":"ARIN","status":"allocated (dated 2016-04-19), allocated (dated 2016-09-29)"},"current_holder":{"rir":null,"org":null,"how":null},"rdap_snapshots":[],"transfers":[{"id":16883,"date":"2019-01-29T21:24:15Z","type":"MERGER_ACQUISITION","source_rir":"ARIN","recipient_rir":"ARIN","source_org":"DQE Communications Network Services, LLC","recipient_org":"DQE Communications LLC","range":"164.52.224.0/19","log":"ARIN"},{"id":7951,"date":"2016-09-29T17:29:11Z","type":"RESOURCE_TRANSFER","source_rir":"ARIN","recipient_rir":"ARIN","source_org":"Unified Grocers, Inc.","recipient_org":"Latisys-Chicago, LLC","range":"164.52.128.0/18","log":"ARIN"},{"id":7768,"date":"2016-09-07T15:37:57Z","type":"RESOURCE_TRANSFER","source_rir":"ARIN","recipient_rir":"APNIC","source_org":"Unified Grocers, Inc.","recipient_org":"Capital Online Data Service (HK) Co., Ltd.","range":"164.52.0.0/17","log":"ARIN"},{"id":124665,"date":"2016-09-07T04:53:22Z","type":"RESOURCE_TRANSFER","source_rir":"ARIN","recipient_rir":"APNIC","source_org":"UNIFI-57","recipient_org":"Capitalonline Data Service (HK) Co., Limited","range":"164.52.0.0/17","log":"APNIC"},{"id":7168,"date":"2016-06-13T11:57:55Z","type":"RESOURCE_TRANSFER","source_rir":"ARIN","recipient_rir":"APNIC","source_org":"Unified Grocers, Inc.","recipient_org":"E2E Networks Private Limited","range":"164.52.192.0/19","log":"ARIN"},{"id":124560,"date":"2016-06-13T04:08:20Z","type":"RESOURCE_TRANSFER","source_rir":"ARIN","recipient_rir":"APNIC","source_org":"UNIFI-57","recipient_org":"E2E Networks Limited","range":"164.52.192.0/19","log":"APNIC"},{"id":6811,"date":"2016-04-19T18:51:50Z","type":"RESOURCE_TRANSFER","source_rir":"ARIN","recipient_rir":"ARIN","source_org":"Unified Grocers, Inc.","recipient_org":"DQE Communications Network Services, LLC","range":"164.52.224.0/19","log":"ARIN"},{"id":6497,"date":"2016-02-19T19:00:24Z","type":"MERGER_ACQUISITION","source_rir":"ARIN","recipient_rir":"ARIN","source_org":"Associated Grocers, Inc.","recipient_org":"Unified Grocers, Inc.","range":"164.52.0.0/16","log":"ARIN"}],"events":[{"event_id":"7b73a20764497468","registry":"ARIN","report_date":"2016-02-19","source":"transfers","raw_action":"TRANSFER","raw_line":null,"resource_type":"ipv4","resource":"164.52.0.0/16","start":"164.52.0.0","end":"164.52.255.255","classification":"MERGER_ACQUISITION","classification_label":"Merger/acquisition or reorganization","confidence":"CONFIRMED","source_rir":"ARIN","recipient_rir":"ARIN","source_organization":"Associated Grocers, Inc.","recipient_organization":"Unified Grocers, Inc.","inventory_effect":"No effect on ARIN applicant inventory","inventory_effect_code":"NO_EFFECT","provisional":false,"classifier_version":"1.4.0","classified_at":"2026-10-14T00:18:24+00:00","page":"https://rirtracker.com/ip/164.52.0.0-164.52.255.255/#e-7b73a20764497468","report_page":"https://rirtracker.com/arin/reports/2016-02-19/","evidence_url":"https://rirtracker.com/api/v1/resources/ip/164.52.0.0-164.52.255.255.json","observed":"Merger/acquisition: Associated Grocers, Inc. (ARIN) to Unified Grocers, Inc. (ARIN)","explanation":"ARIN's transfer log records a merger, acquisition or reorganization from Associated Grocers, Inc. (ARIN) to Unified Grocers, Inc. (ARIN) on 2016-02-19 19:00 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 2016-02-19 19:00 UTC, Associated Grocers, Inc. (ARIN) to Unified Grocers, Inc. (ARIN); resources moved: 164.52.0.0/16"},{"type":"delegated_before","url":"https://ftp.arin.net/pub/stats/arin/archive/2016/delegated-arin-extended-20160218.gz","retrieved_at":"2026-10-12T21:06:12+00:00","summary":"ARIN delegated statistics 2016-02-18 (produced 2016-02-18T06:04:32+00:00), before the report: assigned (dated 1992-11-24)"},{"type":"delegated_after","url":"https://ftp.arin.net/pub/stats/arin/archive/2016/delegated-arin-extended-20160220.gz","retrieved_at":"2026-10-12T21:06:23+00:00","summary":"ARIN delegated statistics 2016-02-20 (produced 2016-02-20T06:04:23+00:00), after the report: assigned (dated 1992-11-24)"}]}],"classification_history":{"7b73a20764497468":[{"raw_change_id":549876,"classification_code":"MERGER_ACQUISITION","confidence":"CONFIRMED","classifier_version":"1.4.0","classified_at":"2026-10-14T00:18:24+00:00","current":1,"public_explanation":"ARIN's transfer log records a merger, acquisition or reorganization from Associated Grocers, Inc. (ARIN) to Unified Grocers, Inc. (ARIN) on 2016-02-19 19:00 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 2016-04-19), allocated (dated 2016-09-29)"}}