Robtex

Up: 208.93.64.0/20
Can't show all results, try to descend to a more specific CIDR
Down left: 208.93.72.0/22
Down right: 208.93.76.0/22
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
208.93.72.0	PTR	208-93-72-0.rdns.rim.net
208.93.73.100	A	208-93-73-100.rdns.rim.net
208.93.73.132	A	208-93-73-132.rdns.rim.net
208.93.73.200	A	208-93-73-200.rdns.rim.net
208.93.73.211	A	208-93-73-211.rdns.rim.net
208.93.76.98	PTR	208-93-76-98.rdns.rim.net
208.93.76.98	A	opm3.athocdevo.com
208.93.76.201	A+PTR	208-93-76-201.rdns.rim.net
208.93.77.8	A+PTR	208-93-77-8.rdns.rim.net
208.93.77.8	A	bberror.com
208.93.77.8	A	cbgwt.dyn.blackberry.net
208.93.78.34	A+PTR	208-93-78-34.rdns.rim.net
208.93.78.36	A	208-93-78-36.rdns.rim.net
208.93.78.39	A	208-93-78-39.rdns.rim.net
208.93.79.56	A	208-93-79-56.rdns.rim.net
208.93.79.105	A	208-93-79-105.rdns.rim.net