Robtex

Up: 64.108.80.0/21
Can't show all results, try to descend to a more specific CIDR
Down left: 64.108.84.0/23
Down right: 64.108.86.0/23

IP	Type	Hostname
64.108.84.147	A+PTR	adsl-64-108-84-147.dsl.akrnoh.ameritech.net
64.108.84.151	A+PTR	adsl-64-108-84-151.dsl.akrnoh.ameritech.net
64.108.84.218	A+PTR	adsl-64-108-84-218.dsl.akrnoh.ameritech.net
64.108.85.85	A+PTR	adsl-64-108-85-85.dsl.akrnoh.ameritech.net
64.108.85.172	A+PTR	adsl-64-108-85-172.dsl.akrnoh.ameritech.net
64.108.85.210	A+PTR	adsl-64-108-85-210.dsl.akrnoh.ameritech.net
64.108.85.229	A+PTR	adsl-64-108-85-229.dsl.akrnoh.ameritech.net
64.108.86.67	A+PTR	adsl-64-108-86-67.dsl.akrnoh.ameritech.net
64.108.86.136	A+PTR	adsl-64-108-86-136.dsl.akrnoh.ameritech.net
64.108.86.139	A+PTR	adsl-64-108-86-139.dsl.akrnoh.ameritech.net