ns3.savvis.net has one IP number , which also has a corresponding reverse pointer. ns2.vsn.voltage.com point to the same IP. prw.com, aha.org, amex.com, flip.com, aone.org and at least 100 other hosts use this as a nameserver. savvis.net is a domain controlled by seven nameservers at savvis.net themselves. Some of them are on the same IP network. Incoming mail for savvis.net is handled by two mailservers having a total of eleven IP numbers. There are eight duplicated IP numbers. Some of them are on the same IP network. savvis.net has one IP number. ns3.savvis.net is hosted on a server in United States.