Robtex

Up: 66.80.28.0/22
Can't show all results, try to descend to a more specific CIDR
Down left: 66.80.28.0/24
Down right: 66.80.29.0/24
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
66.80.28.95	PTR	ip-66-80-28-95.static.megapath.net
66.80.28.126	PTR	ip-66-80-28-126.static.megapath.net
66.80.29.227	PTR	ip-66-80-29-227.static.megapath.net
66.80.29.227	A	mdvera.com
66.80.29.227	A	itxpress.org