Robtex

Up: 66.207.54.0/23
Can't show all results, try to descend to a more specific CIDR
Down left: 66.207.55.0/25
Down right: 66.207.55.128/25
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
66.207.55.4	PTR	ns1.webfyre.com
66.207.55.4	A	whartonfamily.net
66.207.55.4	A	ns2.webfyre.com
66.207.55.52	PTR	66-207-55-52.lbisat.net
66.207.55.76	PTR	66-207-55-76.lbisat.net
66.207.55.76	A	ns1.tracsvr02.com
66.207.55.77	PTR	66-207-55-77.lbisat.net
66.207.55.77	A	ns2.tracsvr02.com
66.207.55.92	PTR	66-207-55-92.lbisat.net
66.207.55.92	A	traclri.com