Robtex

Up: 66.190.32.0/19
Can't show all results, try to descend to a more specific CIDR
Down left: 66.190.32.0/21
Down right: 66.190.40.0/21
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
66.190.32.0	A+PTR	66-190-32-0.dhcp.fdul.wi.charter.com
66.190.36.32	A+PTR	66-190-36-32.dhcp.fdul.wi.charter.com
66.190.38.160	A	66-190-38-160.dhcp.fdul.wi.charter.com
66.190.39.242	A+PTR	66-190-39-242.dhcp.fdul.wi.charter.com
66.190.40.6	A	66-190-40-6.dhcp.fdul.wi.charter.com
66.190.40.41	A	66-190-40-41.dhcp.fdul.wi.charter.com
66.190.40.63	A	66-190-40-63.dhcp.fdul.wi.charter.com
66.190.41.239	A	66-190-41-239.dhcp.fdul.wi.charter.com
66.190.42.30	A	66-190-42-30.dhcp.fdul.wi.charter.com
66.190.42.91	A	66-190-42-91.dhcp.fdul.wi.charter.com
66.190.45.169	A	66-190-45-169.dhcp.fdul.wi.charter.com
66.190.46.0	A+PTR	66-190-46-0.static.fdul.wi.charter.com
66.190.46.42	A	mail.hononegahdental.com
66.190.46.48	A	66-190-46-48.static.fdul.wi.charter.com
66.190.46.50	A+PTR	mail.yachtworks.net
66.190.46.50	A	webcam.yachtworks.net
66.190.46.50	A	mail.yachtworks.com
66.190.46.98	A	mail.practical-strategies.net
66.190.46.98	A	server.practical-strategies.net
66.190.46.102	A	mail.fourwindsmanor.com
66.190.46.194	A+PTR	edina.hack.net
66.190.46.194	A	www.ryankbrooks.com
66.190.46.194	A	saffron.hack.net
66.190.46.197	A	friends.backcountry.net
66.190.46.220	A	mail.schragebros.com
66.190.46.222	A	66-190-46-222.static.fdul.wi.charter.com
66.190.46.232	A	66-190-46-232.static.fdul.wi.charter.com
66.190.46.237	A	66-190-46-237.static.fdul.wi.charter.com
66.190.46.250	A	mail.cityofwaupun.org
66.190.47.34	A+PTR	66-190-47-34.static.fdul.wi.charter.com
66.190.47.34	A	distribute.mrdata-llc.com
66.190.47.34	A	mrdata-ergonomics.com
66.190.47.50	A+PTR	mail.c2s.com
66.190.47.50	A	mail2.c2s.com
66.190.47.54	A	mail.associnsltd.com
66.190.47.134	A	mail.twohiglaw.com
66.190.47.166	A	mail.pbinc.com
66.190.47.182	A	mail.ucpsbeaverdam.org
66.190.47.182	A	mail.stkatharinedrexelbd.org
66.190.47.190	A	mail.affprod.com
66.190.47.210	A	amayaquislingwedding.com
66.190.47.222	A	mail.townofalgoma.org
66.190.47.238	A	mail.qmartmarketplace.net
66.190.47.255	A	66-190-47-255.static.fdul.wi.charter.com