{"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":"155.177.0.0/16","resource_type":"ipv4","page":"https://rirtracker.com/ip/155.177.0.0-155.177.255.255/","statistics_now":{"registry":"ARIN","status":"allocated (dated 1991-11-15)"},"current_holder":{"rir":"ARIN","org":"Emerson Electric Co.","how":"ARIN's latest statistics and the latest transfer record"},"rdap_snapshots":[],"transfers":[{"id":24202,"date":"2021-03-29T20:15:24Z","type":"MERGER_ACQUISITION","source_rir":"ARIN","recipient_rir":"ARIN","source_org":"Fisher Controls Int., Inc.","recipient_org":"Emerson Electric Co.","range":"155.177.0.0/16","log":"ARIN"}],"events":[{"event_id":"f3211b22ab32ef05","registry":"ARIN","report_date":"2021-03-29","source":"transfers","raw_action":"TRANSFER","raw_line":null,"resource_type":"ipv4","resource":"155.177.0.0/16","start":"155.177.0.0","end":"155.177.255.255","classification":"MERGER_ACQUISITION","classification_label":"Merger/acquisition or reorganization","confidence":"CONFIRMED","source_rir":"ARIN","recipient_rir":"ARIN","source_organization":"Fisher Controls Int., Inc.","recipient_organization":"Emerson Electric Co.","inventory_effect":"No effect on ARIN applicant inventory","inventory_effect_code":"NO_EFFECT","provisional":false,"classifier_version":"1.4.0","classified_at":"2026-10-14T00:18:55+00:00","page":"https://rirtracker.com/ip/155.177.0.0-155.177.255.255/#e-f3211b22ab32ef05","report_page":"https://rirtracker.com/arin/reports/2021-03-29/","evidence_url":"https://rirtracker.com/api/v1/resources/ip/155.177.0.0-155.177.255.255.json","observed":"Merger/acquisition: Fisher Controls Int., Inc. (ARIN) to Emerson Electric Co. (ARIN)","explanation":"ARIN's transfer log records a merger, acquisition or reorganization from Fisher Controls Int., Inc. (ARIN) to Emerson Electric Co. (ARIN) on 2021-03-29 20:15 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 2021-03-29 20:15 UTC, Fisher Controls Int., Inc. (ARIN) to Emerson Electric Co. (ARIN); resources moved: 155.177.0.0/16"},{"type":"delegated_before","url":"https://ftp.arin.net/pub/stats/arin/archive/2021/delegated-arin-extended-20210328.gz","retrieved_at":"2026-10-12T22:40:26+00:00","summary":"ARIN delegated statistics 2021-03-28 (produced 2021-03-28T14:00:12+00:00), before the report: assigned (dated 1991-11-15)"},{"type":"delegated_after","url":"https://ftp.arin.net/pub/stats/arin/archive/2021/delegated-arin-extended-20210330.gz","retrieved_at":"2026-10-12T22:40:31+00:00","summary":"ARIN delegated statistics 2021-03-30 (produced 2021-03-30T14:00:13+00:00), after the report: assigned (dated 1991-11-15)"}]}],"classification_history":{"f3211b22ab32ef05":[{"raw_change_id":563034,"classification_code":"MERGER_ACQUISITION","confidence":"CONFIRMED","classifier_version":"1.4.0","classified_at":"2026-10-14T00:18:55+00:00","current":1,"public_explanation":"ARIN's transfer log records a merger, acquisition or reorganization from Fisher Controls Int., Inc. (ARIN) to Emerson Electric Co. (ARIN) on 2021-03-29 20:15 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 1991-11-15)"}}