Robtex

Up: 216.151.130.0/23
Can't show all results, try to descend to a more specific CIDR
Down left: 216.151.131.0/25
Down right: 216.151.131.128/25
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
216.151.131.18	A	inkgrenade.com
216.151.131.114	A	ns1.worldwarz.com.20120109144313.deleted.gkg.net
216.151.131.138	A	ns2.worldwarz.com.20120109144315.deleted.gkg.net
216.151.131.138	A	zindev.com
216.151.131.138	A	ns2.zindev.com