# # ARIN WHOIS data and services are subject to the Terms of Use # available at: https://www.arin.net/resources/registry/whois/tou/ # # If you see inaccuracies in the results, please report at # https://www.arin.net/resources/registry/whois/inaccuracy_reporting/ # # Copyright 1997-2026, American Registry for Internet Numbers, Ltd. # # # Query terms are ambiguous. The query is assumed to be: # "n 167.204.245.176" # # Use "?" to get help. # NetRange: 167.204.0.0 - 167.204.255.255 CIDR: 167.204.0.0/16 NetName: CBOT-PRISM NetHandle: NET-167-204-0-0-1 Parent: NET167 (NET-167-0-0-0-0) NetType: Direct Allocation OriginAS: Organization: Chicago Mercantile Exchange (CME) RegDate: 1993-09-28 Updated: 2026-04-15 Ref: https://rdap.arin.net/registry/ip/167.204.0.0 OrgName: Chicago Mercantile Exchange OrgId: CME Address: 20. South Wacker City: Chicago StateProv: IL PostalCode: 60606 Country: US RegDate: 1994-06-02 Updated: 2022-03-30 Ref: https://rdap.arin.net/registry/entity/CME OrgTechHandle: CMEAR-ARIN OrgTechName: CME-ARIN-Admin OrgTechPhone: +1-312-627-4496 OrgTechEmail: NetworkEngineering@cmegroup.com OrgTechRef: https://rdap.arin.net/registry/entity/CMEAR-ARIN OrgNOCHandle: NETWO8732-ARIN OrgNOCName: Network Operations OrgNOCPhone: +1-312-627-4496 OrgNOCEmail: networkoperations@cmegroup.com OrgNOCRef: https://rdap.arin.net/registry/entity/NETWO8732-ARIN OrgAbuseHandle: CMEAR-ARIN OrgAbuseName: CME-ARIN-Admin OrgAbusePhone: +1-312-627-4496 OrgAbuseEmail: NetworkEngineering@cmegroup.com OrgAbuseRef: https://rdap.arin.net/registry/entity/CMEAR-ARIN # # ARIN WHOIS data and services are subject to the Terms of Use # available at: https://www.arin.net/resources/registry/whois/tou/ # # If you see inaccuracies in the results, please report at # https://www.arin.net/resources/registry/whois/inaccuracy_reporting/ # # Copyright 1997-2026, American Registry for Internet Numbers, Ltd. #