Robtex

Up: 76.75.254.0/23
Can't show all results, try to descend to a more specific CIDR
Down left: 76.75.255.0/25
Down right: 76.75.255.128/25
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
76.75.255.10	PTR	mail.linkrp.com
76.75.255.10	A	linksearch.com
76.75.255.10	A	www.linksearch.com
76.75.255.49	A+PTR	76-75-255-49.ip.tor.radiant.net
76.75.255.168	A+PTR	76-75-255-168.ip.tor.radiant.net