Robtex

Up: 68.166.12.0/22
Can't show all results, try to descend to a more specific CIDR
Down left: 68.166.12.0/24
Down right: 68.166.13.0/24
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
68.166.12.26	A	mh.mandh.com
68.166.13.161	A+PTR	h-68-166-13-161.sfld.mi.megapath.net
68.166.13.172	PTR	h-68-166-13-172.sfld.mi.megapath.net
68.166.13.172	A	pjcco.com
68.166.13.172	A	*.pjcco.com
68.166.13.185	A+PTR	h-68-166-13-185.sfld.mi.globalcapacity.com