Robtex

Up: 66.45.24.0/23
Can't show all results, try to descend to a more specific CIDR
Down left: 66.45.25.0/25
Down right: 66.45.25.128/25
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
66.45.25.22	A	icomcast.net
66.45.25.22	A	onbroadband.com
66.45.25.22	A	inbaltimore.com
66.45.25.132	A+PTR	mailgate01.comcastonline.com
66.45.25.133	A+PTR	mailgate02.comcastonline.com
66.45.25.133	A	mailgate.comcastonline.com
66.45.25.134	A+PTR	mailgate03.comcastonline.com
66.45.25.172	A	mail.leflaw.com
66.45.25.172	A	mail.musicpill.com
66.45.25.226	A	afilias.net
66.45.25.248	A	netmail.suitelinq.com