# # 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. # NetRange: 72.18.217.0 - 72.18.220.255 CIDR: 72.18.220.0/24, 72.18.217.0/24, 72.18.218.0/23 NetName: RKCI-72-18-217 NetHandle: NET-72-18-217-0-1 Parent: NET72 (NET-72-0-0-0-0) NetType: Direct Allocation OriginAS: Organization: Massive Networks, Inc. (MN-407) RegDate: 2008-01-22 Updated: 2026-02-19 Ref: https://rdap.arin.net/registry/ip/72.18.217.0 OrgName: Massive Networks, Inc. OrgId: MN-407 Address: 382 S. Arthur Ave., Suite 120 City: Louisville StateProv: CO PostalCode: 80027 Country: US RegDate: 2026-02-11 Updated: 2026-02-13 Ref: https://rdap.arin.net/registry/entity/MN-407 OrgTechHandle: LEWIN9-ARIN OrgTechName: Lewinski, Mike OrgTechPhone: +1-303-629-2860 OrgTechEmail: mlewinski@massivenetworks.com OrgTechRef: https://rdap.arin.net/registry/entity/LEWIN9-ARIN OrgAbuseHandle: ABUSE7475-ARIN OrgAbuseName: Abuse Department OrgAbusePhone: +1-303-800-1300 OrgAbuseEmail: abuse@massivenetworks.com OrgAbuseRef: https://rdap.arin.net/registry/entity/ABUSE7475-ARIN OrgNOCHandle: NOC33251-ARIN OrgNOCName: Network Operations Center OrgNOCPhone: +1-303-800-1300 OrgNOCEmail: noc@massivenetworks.com OrgNOCRef: https://rdap.arin.net/registry/entity/NOC33251-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. #