Summary
proxy.google.com has 17 IP numbers. Some of them are on the same IP network.
google.com is a domain controlled by four nameservers at
google.com themselves. All of them are on different IP networks. Incoming mail for
google.com is handled by four mailservers. All of them are on the same IP network.
google.com has three IP numbers. All of them are on different IP networks.
proxy.google.com is hosted on 17 servers in United States.