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% APNIC found the following authoritative answer from: whois.arin.net
# # 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 1997-2024, American Registry for Internet Numbers, Ltd. #
NetRange: 205.209.192.0 - 205.209.223.255 CIDR: 205.209.192.0/19 NetName: ECBOT NetHandle: NET-205-209-192-0-1 Parent: NET205 (NET-205-0-0-0-0) NetType: Direct Allocation OriginAS: Organization: Chicago Board of Trade (CBT) RegDate: 2005-05-20 Updated: 2006-06-02 Ref: https://rdap.arin.net/registry/ip/205.209.192.0
OrgName: Chicago Board of Trade OrgId: CBT Address: 141 West Jackson Street Address: Suite 901A Address: Network technology group City: Chicago StateProv: IL PostalCode: 60604 Country: US RegDate: 1992-12-18 Updated: 2021-11-12 Ref: https://rdap.arin.net/registry/entity/CBT
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
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