Robtex

Up: 216.128.160.0/19
Can't show all results, try to descend to a more specific CIDR
Down left: 216.128.160.0/21
Down right: 216.128.168.0/21
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
216.128.162.5	PTR	livebabes.tv
216.128.163.34	PTR	03-thom-04d.dial.optilinkcomm.net
216.128.165.2	PTR	actaxsolutions.com
216.128.165.2	PTR	clientexact.com
216.128.165.2	A+PTR	outsourcingexact.com
216.128.165.3	PTR	216-128-165-3.choopa.net
216.128.165.38	A	ns2.bhsga.com
216.128.165.40	A	ns2.bhsga.com
216.128.165.40	A	ns1.bhsga.com
216.128.165.41	A	mail.bhsga.com
216.128.165.42	A	server1.bhsga.com
216.128.165.225	PTR	05-bain-042.dial.optilinkcomm.net
216.128.169.241	PTR	host-216-128-169-241.rev.o1.com
216.128.171.160	PTR	host-216-128-171-160.rev.o1.com
216.128.172.131	PTR	host-216-128-172-131.rev.o1.com
216.128.173.34	PTR	host-216-128-173-34.rev.o1.com
216.128.173.163	PTR	host-216-128-173-163.rev.o1.com
216.128.173.226	PTR	host-216-128-173-226.rev.o1.com
216.128.174.226	PTR	host-216-128-174-226.rev.o1.com
216.128.175.49	PTR	host-216-128-175-49.rev.o1.com