Robtex

Up: 68.249.52.0/22
Can't show all results, try to descend to a more specific CIDR
Down left: 68.249.54.0/24
Down right: 68.249.55.0/24
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
68.249.54.0	A+PTR	adsl-68-249-54-0.dsl.ipltin.ameritech.net
68.249.54.1	A+PTR	adsl-68-249-54-1.dsl.ipltin.ameritech.net
68.249.54.6	A+PTR	adsl-68-249-54-6.dsl.ipltin.ameritech.net
68.249.54.7	A+PTR	adsl-68-249-54-7.dsl.ipltin.ameritech.net
68.249.54.22	A+PTR	adsl-68-249-54-22.dsl.ipltin.ameritech.net
68.249.54.25	A+PTR	adsl-68-249-54-25.dsl.ipltin.ameritech.net
68.249.54.26	A+PTR	adsl-68-249-54-26.dsl.ipltin.ameritech.net
68.249.54.36	A+PTR	adsl-68-249-54-36.dsl.ipltin.ameritech.net
68.249.54.39	A+PTR	adsl-68-249-54-39.dsl.ipltin.ameritech.net
68.249.54.53	A+PTR	adsl-68-249-54-53.dsl.ipltin.ameritech.net
68.249.54.59	A+PTR	adsl-68-249-54-59.dsl.ipltin.ameritech.net
68.249.54.70	PTR	adsl-68-249-54-70.rtbinc.com
68.249.54.82	A+PTR	adsl-68-249-54-82.dsl.ipltin.ameritech.net
68.249.54.92	A+PTR	adsl-68-249-54-92.dsl.ipltin.ameritech.net
68.249.54.97	A+PTR	adsl-68-249-54-97.dsl.ipltin.ameritech.net
68.249.54.136	A+PTR	adsl-68-249-54-136.dsl.ipltin.ameritech.net
68.249.54.138	A+PTR	adsl-68-249-54-138.dsl.ipltin.ameritech.net
68.249.54.142	A+PTR	adsl-68-249-54-142.dsl.ipltin.ameritech.net
68.249.54.146	A+PTR	adsl-68-249-54-146.dsl.ipltin.ameritech.net
68.249.54.148	A+PTR	adsl-68-249-54-148.dsl.ipltin.ameritech.net
68.249.54.159	A+PTR	adsl-68-249-54-159.dsl.ipltin.ameritech.net
68.249.54.160	A+PTR	adsl-68-249-54-160.dsl.ipltin.ameritech.net
68.249.54.182	A	w4-43-03.org
68.249.54.182	A	mail.developersadvocate.net
68.249.54.182	A	command-decision.com
68.249.54.189	A+PTR	adsl-68-249-54-189.dsl.ipltin.ameritech.net
68.249.54.192	A+PTR	adsl-68-249-54-192.dsl.ipltin.ameritech.net
68.249.54.194	A+PTR	adsl-68-249-54-194.dsl.ipltin.ameritech.net
68.249.54.199	A+PTR	adsl-68-249-54-199.dsl.ipltin.ameritech.net
68.249.54.207	A+PTR	adsl-68-249-54-207.dsl.ipltin.ameritech.net
68.249.54.210	A+PTR	adsl-68-249-54-210.dsl.ipltin.ameritech.net
68.249.54.222	A+PTR	adsl-68-249-54-222.dsl.ipltin.ameritech.net
68.249.54.227	A+PTR	adsl-68-249-54-227.dsl.ipltin.ameritech.net
68.249.54.228	PTR	adsl-68-249-54-228.dsl.ipltin.ameritech.net
68.249.54.239	A+PTR	adsl-68-249-54-239.dsl.ipltin.ameritech.net
68.249.54.241	A+PTR	adsl-68-249-54-241.dsl.ipltin.ameritech.net
68.249.54.249	A+PTR	adsl-68-249-54-249.dsl.ipltin.ameritech.net
68.249.55.4	A+PTR	adsl-68-249-55-4.dsl.ipltin.ameritech.net
68.249.55.5	A+PTR	adsl-68-249-55-5.dsl.ipltin.ameritech.net
68.249.55.10	A+PTR	adsl-68-249-55-10.dsl.ipltin.ameritech.net
68.249.55.56	A+PTR	adsl-68-249-55-56.dsl.ipltin.ameritech.net
68.249.55.62	A+PTR	adsl-68-249-55-62.dsl.ipltin.ameritech.net
68.249.55.73	A+PTR	adsl-68-249-55-73.dsl.ipltin.ameritech.net
68.249.55.76	A+PTR	adsl-68-249-55-76.dsl.ipltin.ameritech.net
68.249.55.77	A+PTR	adsl-68-249-55-77.dsl.ipltin.ameritech.net
68.249.55.89	A+PTR	adsl-68-249-55-89.dsl.ipltin.ameritech.net
68.249.55.96	A+PTR	adsl-68-249-55-96.dsl.ipltin.ameritech.net
68.249.55.98	A+PTR	adsl-68-249-55-98.dsl.ipltin.ameritech.net
68.249.55.102	A+PTR	adsl-68-249-55-102.dsl.ipltin.ameritech.net
68.249.55.108	A+PTR	adsl-68-249-55-108.dsl.ipltin.ameritech.net
68.249.55.117	A+PTR	adsl-68-249-55-117.dsl.ipltin.ameritech.net
68.249.55.119	A+PTR	adsl-68-249-55-119.dsl.ipltin.ameritech.net
68.249.55.120	A+PTR	adsl-68-249-55-120.dsl.ipltin.ameritech.net
68.249.55.121	A+PTR	adsl-68-249-55-121.dsl.ipltin.ameritech.net
68.249.55.122	A+PTR	adsl-68-249-55-122.dsl.ipltin.ameritech.net
68.249.55.125	A+PTR	adsl-68-249-55-125.dsl.ipltin.ameritech.net
68.249.55.138	A+PTR	adsl-68-249-55-138.dsl.ipltin.ameritech.net
68.249.55.139	A+PTR	adsl-68-249-55-139.dsl.ipltin.ameritech.net
68.249.55.141	A+PTR	adsl-68-249-55-141.dsl.ipltin.ameritech.net
68.249.55.149	A+PTR	adsl-68-249-55-149.dsl.ipltin.ameritech.net
68.249.55.162	A+PTR	adsl-68-249-55-162.dsl.ipltin.ameritech.net
68.249.55.168	A+PTR	adsl-68-249-55-168.dsl.ipltin.ameritech.net
68.249.55.172	A+PTR	adsl-68-249-55-172.dsl.ipltin.ameritech.net
68.249.55.196	A+PTR	adsl-68-249-55-196.dsl.ipltin.ameritech.net
68.249.55.205	A+PTR	adsl-68-249-55-205.dsl.ipltin.ameritech.net
68.249.55.210	A+PTR	adsl-68-249-55-210.dsl.ipltin.ameritech.net
68.249.55.217	A+PTR	adsl-68-249-55-217.dsl.ipltin.ameritech.net
68.249.55.221	A+PTR	adsl-68-249-55-221.dsl.ipltin.ameritech.net
68.249.55.222	A+PTR	adsl-68-249-55-222.dsl.ipltin.ameritech.net
68.249.55.232	A+PTR	adsl-68-249-55-232.dsl.ipltin.ameritech.net
68.249.55.240	A+PTR	adsl-68-249-55-240.dsl.ipltin.ameritech.net
68.249.55.248	A+PTR	adsl-68-249-55-248.dsl.ipltin.ameritech.net
68.249.55.255	A+PTR	adsl-68-249-55-255.dsl.ipltin.ameritech.net