Do you think you're 1337 because you just discovered the whois registry? What's next? You're gonna boot me off of AOL with your HELL tools?
Anyway, it's generally considered to be uncool to post other people's information -- because it's not yours. I may not know the finer subtleties of this community, but this is what I've discovered to be true just about everywhere.
If some jackass posts your personal information, you'd likely want to have it removed. It's your info to post or not, not some jerk-off coward's who thinks he's got mad skillz.
If you want to know if it's real, why don't you dial the number instead of publishing it? Be sure to ask Mom and Dad first because long distance charges may apply!