Robtex

Up: 64.7.8.0/22
Can't show all results, try to descend to a more specific CIDR
Down left: 64.7.10.0/24
Down right: 64.7.11.0/24
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
64.7.10.89	PTR	ip-64-7-10-89.iad.megapath.net
64.7.10.178	PTR	ip-64-7-10-178.iad.megapath.net
64.7.10.184	A+PTR	ip-64-7-10-184.iad.megapath.net
64.7.10.231	PTR	ip-64-7-10-231.iad.megapath.net
64.7.10.233	A+PTR	ip-64-7-10-233.iad.megapath.net
64.7.10.233	A	corp.hmctelco.com
64.7.10.240	PTR	gaocan.com
64.7.11.1	PTR	ve50.fe0-0-3.core1.atl.megapath.net
64.7.11.2	PTR	ns3.megapath.net
64.7.11.2	A	dabenjamins.com
64.7.11.4	PTR	ip-64-7-11-4.dsl.iad.megapath.net
64.7.11.18	PTR	stonestreet.com
64.7.11.18	A	mail2.stonestreet.com
64.7.11.35	PTR	ip-64-7-11-35.dsl.iad.megapath.net
64.7.11.35	A	mail.umc-gbcs.org
64.7.11.42	PTR	ip-64-7-11-42.dsl.iad.megapath.net
64.7.11.42	A	oldnoo.global-mind.org
64.7.11.43	PTR	ip-64-7-11-43.dsl.iad.megapath.net
64.7.11.43	A	mail.leyline.org
64.7.11.43	A	leyline.org
64.7.11.76	PTR	ip-64-7-11-76.dsl.iad.megapath.net
64.7.11.77	PTR	ip-64-7-11-77.dsl.iad.megapath.net
64.7.11.93	PTR	ip-64-7-11-93.dsl.iad.megapath.net
64.7.11.98	PTR	ip-64-7-11-98.dsl.iad.megapath.net
64.7.11.105	A+PTR	ip-64-7-11-105.dsl.iad.megapath.net
64.7.11.138	A+PTR	resolve02.sslvpndemo.com
64.7.11.138	A	resolve02.sslra.com
64.7.11.169	PTR	sbs1.romanus.com
64.7.11.235	PTR	ip-64-7-11-235.dsl.iad.megapath.net