Robtex

Up: 66.22.96.0/19
Can't show all results, try to descend to a more specific CIDR
Down left: 66.22.112.0/21
Down right: 66.22.120.0/21

IP	Type	Hostname
66.22.114.49	PTR	host.domain.com
66.22.115.212	PTR	host.domain.com
66.22.115.242	PTR	host.domain.com
66.22.116.51	PTR	host.domain.com
66.22.116.68	PTR	host.domain.com
66.22.117.129	PTR	addr1.binarycity.net
66.22.118.99	PTR	host.domain.com
66.22.118.242	PTR	host.domain.com
66.22.124.228	PTR	host.domain.com