Robtex

Up: 66.73.48.0/20
Can't show all results, try to descend to a more specific CIDR
Down left: 66.73.48.0/22
Down right: 66.73.52.0/22
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
66.73.48.226	A+PTR	mail.emaillcu.com
66.73.48.233	A	66-73-48-233.ded.ameritech.net
66.73.50.106	PTR	mail.chcoakley.com
66.73.51.121	PTR	villageofhartland.com
66.73.51.210	A	remote.ibew494.com
66.73.52.133	A	*.brookfieldacademy.org
66.73.52.133	A	www.brookfieldacademy.org
66.73.52.133	A	bamail1.brookfieldacademy.org
66.73.52.193	A	66-73-52-193.ded.ameritech.net
66.73.52.199	A	66-73-52-199.ded.ameritech.net
66.73.52.213	A	66-73-52-213.ded.ameritech.net
66.73.52.215	A	66-73-52-215.ded.ameritech.net
66.73.52.219	A	66-73-52-219.ded.ameritech.net
66.73.52.222	A	66-73-52-222.ded.ameritech.net
66.73.52.226	A	66-73-52-226.ded.ameritech.net
66.73.52.236	A	66-73-52-236.ded.ameritech.net
66.73.52.238	A	66-73-52-238.ded.ameritech.net
66.73.52.239	A	66-73-52-239.ded.ameritech.net
66.73.52.246	A	66-73-52-246.ded.ameritech.net
66.73.52.248	A	66-73-52-248.ded.ameritech.net
66.73.52.253	A	66-73-52-253.ded.ameritech.net
66.73.52.254	A	66-73-52-254.ded.ameritech.net
66.73.53.27	A+PTR	66-73-53-27.ded.ameritech.net
66.73.53.161	PTR	ntwksraptor.putzam.com
66.73.53.161	A	mail.putzam.com
66.73.53.161	A	putzam.com