Robtex

Up: 68.78.24.0/21
Can't show all results, try to descend to a more specific CIDR
Down left: 68.78.28.0/23
Down right: 68.78.30.0/23

IP	Type	Hostname
68.78.31.9	A+PTR	adsl-68-78-31-9.dsl.sgnwmi.ameritech.net
68.78.31.42	A+PTR	adsl-68-78-31-42.dsl.sgnwmi.ameritech.net
68.78.31.45	A+PTR	adsl-68-78-31-45.dsl.sgnwmi.ameritech.net
68.78.31.96	A+PTR	adsl-68-78-31-96.dsl.sgnwmi.ameritech.net
68.78.31.217	A+PTR	adsl-68-78-31-217.dsl.sgnwmi.ameritech.net