IP WHOIS Lookup
Look up registration and network information for IP addresses using WHOIS
IP Whois
NetRange: 198.48.64.0 - 198.48.95.255 CIDR: 198.48.64.0/19 NetName: UW-SEA-BLK1 NetHandle: NET-198-48-64-0-1 Parent: NET198 (NET-198-0-0-0-0) NetType: Direct Allocation OriginAS: Organization: University of Washington (UWND-Z) RegDate: 1993-03-26 Updated: 2021-10-01 Ref: https://rdap.arin.net/registry/ip/198.48.64.0 OrgName: University of Washington OrgId: UWND-Z Address: 4545 15th Ave NE City: Seattle StateProv: WA PostalCode: 98105 Country: US RegDate: 2020-05-20 Updated: 2026-06-15 Ref: https://rdap.arin.net/registry/entity/UWND-Z OrgAbuseHandle: UWSO-ARIN OrgAbuseName: University of Washington Security Operations OrgAbusePhone: +1-206-221-7000 OrgAbuseEmail: security@uw.edu OrgAbuseRef: https://rdap.arin.net/registry/entity/UWSO-ARIN OrgNOCHandle: UW-NOC-ARIN OrgNOCName: University of Washington Networks and Distributed OrgNOCPhone: +1-206-221-6000 OrgNOCEmail: uw-noc@uw.edu OrgNOCRef: https://rdap.arin.net/registry/entity/UW-NOC-ARIN OrgTechHandle: UW-NOC-ARIN OrgTechName: University of Washington Networks and Distributed OrgTechPhone: +1-206-221-6000 OrgTechEmail: uw-noc@uw.edu OrgTechRef: https://rdap.arin.net/registry/entity/UW-NOC-ARIN RTechHandle: OWU2-ARIN RTechName: University, Of Washington RTechPhone: +1-206-221-6000 RTechEmail: noc@cac.washington.edu RTechRef: https://rdap.arin.net/registry/entity/OWU2-ARIN