Robtex

Up: 68.25.48.0/20
Can't show all results, try to descend to a more specific CIDR
Down left: 68.25.56.0/22
Down right: 68.25.60.0/22

IP	Type	Hostname
68.25.56.146	A+PTR	68-25-56-146.pools.static.spcsdns.net
68.25.57.70	A	68-25-57-70.pools.static.spcsdns.net
68.25.57.75	A+PTR	68-25-57-75.pools.static.spcsdns.net
68.25.57.98	A+PTR	68-25-57-98.pools.static.spcsdns.net
68.25.57.102	A	68-25-57-102.pools.static.spcsdns.net
68.25.57.103	A	68-25-57-103.pools.static.spcsdns.net
68.25.57.146	A+PTR	68-25-57-146.pools.static.spcsdns.net
68.25.57.168	A+PTR	68-25-57-168.pools.static.spcsdns.net
68.25.57.169	A+PTR	68-25-57-169.pools.static.spcsdns.net
68.25.57.185	A+PTR	68-25-57-185.pools.static.spcsdns.net
68.25.57.196	A	68-25-57-196.pools.static.spcsdns.net
68.25.59.17	A+PTR	68-25-59-17.pools.static.spcsdns.net
68.25.59.24	A+PTR	68-25-59-24.pools.static.spcsdns.net
68.25.59.88	A+PTR	68-25-59-88.pools.static.spcsdns.net
68.25.59.108	A	68-25-59-108.pools.static.spcsdns.net
68.25.59.119	A	68-25-59-119.pools.static.spcsdns.net
68.25.59.146	A+PTR	68-25-59-146.pools.static.spcsdns.net
68.25.59.152	A+PTR	68-25-59-152.pools.static.spcsdns.net
68.25.59.161	A+PTR	68-25-59-161.pools.static.spcsdns.net
68.25.59.187	A+PTR	68-25-59-187.pools.static.spcsdns.net
68.25.59.204	A	68-25-59-204.pools.static.spcsdns.net
68.25.59.213	A	68-25-59-213.pools.static.spcsdns.net
68.25.59.218	A+PTR	68-25-59-218.pools.static.spcsdns.net
68.25.59.219	A+PTR	68-25-59-219.pools.static.spcsdns.net
68.25.59.221	A	68-25-59-221.pools.static.spcsdns.net
68.25.59.227	A+PTR	68-25-59-227.pools.static.spcsdns.net
68.25.59.229	A	68-25-59-229.pools.static.spcsdns.net
68.25.59.232	A+PTR	68-25-59-232.pools.static.spcsdns.net
68.25.59.233	A+PTR	68-25-59-233.pools.static.spcsdns.net
68.25.59.239	A	68-25-59-239.pools.static.spcsdns.net
68.25.59.249	A+PTR	68-25-59-249.pools.static.spcsdns.net
68.25.60.140	A	68-25-60-140.pools.static.spcsdns.net
68.25.63.54	A	68-25-63-54.pools.static.spcsdns.net