Question : Public ip address information

Is there any way to get additional information about a public ip address such as computer name, e-mail address etc?  Whois and ping -a give me circuit information that leads me to believe it is a home dsl account.

Answer : Public ip address information

legal ways only, http://www.dnsstuff.com/ kind of sites are your only way
if it is part of a range you'll see who is the owner, many times it will be the ISP and you'll end up with no real useful data