IP WHOIS Lookup
Look up registration and network information for IP addresses using WHOIS
IP Whois
NetRange: 204.139.52.0 - 204.139.55.255 CIDR: 204.139.52.0/22 NetName: GCSOM NetHandle: NET-204-139-52-0-1 Parent: NET204 (NET-204-0-0-0-0) NetType: Direct Allocation OriginAS: Organization: Geisinger System Services (GMC-5) RegDate: 2009-01-23 Updated: 2026-02-04 Ref: https://rdap.arin.net/registry/ip/204.139.52.0 OrgName: Geisinger System Services OrgId: GMC-5 Address: Geisinger System Services 100 North Academy Avenue City: Danville StateProv: PA PostalCode: 17822 Country: US RegDate: 1992-04-28 Updated: 2017-03-22 Ref: https://rdap.arin.net/registry/entity/GMC-5 OrgAbuseHandle: DNSAD306-ARIN OrgAbuseName: DNS Administrator OrgAbusePhone: +1-570-271-6818 OrgAbuseEmail: nianetworkinfraarchitects@geisinger.edu OrgAbuseRef: https://rdap.arin.net/registry/entity/DNSAD306-ARIN OrgTechHandle: DNSAD306-ARIN OrgTechName: DNS Administrator OrgTechPhone: +1-570-271-6818 OrgTechEmail: nianetworkinfraarchitects@geisinger.edu OrgTechRef: https://rdap.arin.net/registry/entity/DNSAD306-ARIN