Robtex

Up: 64.32.248.0/21
Can't show all results, try to descend to a more specific CIDR
Down left: 64.32.248.0/23
Down right: 64.32.250.0/23
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
64.32.248.2	A+PTR	ip-64-32-248-2.dsl.iad.megapath.net
64.32.248.10	A+PTR	ip-64-32-248-10.dsl.iad.megapath.net
64.32.248.14	A+PTR	ip-64-32-248-14.dsl.iad.megapath.net
64.32.248.16	A+PTR	ip-64-32-248-16.dsl.iad.megapath.net
64.32.248.17	A+PTR	ip-64-32-248-17.dsl.iad.megapath.net
64.32.248.21	A+PTR	ip-64-32-248-21.dsl.iad.megapath.net
64.32.248.22	A+PTR	ip-64-32-248-22.dsl.iad.megapath.net
64.32.248.23	A+PTR	ip-64-32-248-23.dsl.iad.megapath.net
64.32.248.28	A+PTR	ip-64-32-248-28.dsl.iad.megapath.net
64.32.248.31	A+PTR	ip-64-32-248-31.dsl.iad.megapath.net
64.32.248.34	A+PTR	ip-64-32-248-34.dsl.iad.megapath.net
64.32.248.41	A+PTR	ip-64-32-248-41.dsl.iad.megapath.net
64.32.248.50	A+PTR	ip-64-32-248-50.dsl.iad.megapath.net
64.32.248.51	A+PTR	ip-64-32-248-51.dsl.iad.megapath.net
64.32.248.54	A+PTR	ip-64-32-248-54.dsl.iad.megapath.net
64.32.248.54	A	eddiess.com
64.32.248.55	A+PTR	ip-64-32-248-55.dsl.iad.megapath.net
64.32.248.56	A+PTR	ip-64-32-248-56.dsl.iad.megapath.net
64.32.248.60	A+PTR	ip-64-32-248-60.dsl.iad.megapath.net
64.32.248.61	A+PTR	ip-64-32-248-61.dsl.iad.megapath.net
64.32.248.68	A+PTR	ip-64-32-248-68.dsl.iad.megapath.net
64.32.248.71	A+PTR	ip-64-32-248-71.dsl.iad.megapath.net
64.32.248.80	A+PTR	ip-64-32-248-80.dsl.iad.megapath.net
64.32.248.83	A+PTR	ip-64-32-248-83.dsl.iad.megapath.net
64.32.248.98	A+PTR	ip-64-32-248-98.dsl.iad.megapath.net
64.32.248.102	A+PTR	ip-64-32-248-102.dsl.iad.megapath.net
64.32.248.106	A+PTR	mail.youngbrophy.com
64.32.248.113	A+PTR	ip-64-32-248-113.dsl.iad.megapath.net
64.32.248.115	A+PTR	ip-64-32-248-115.dsl.iad.megapath.net
64.32.248.118	A+PTR	ip-64-32-248-118.dsl.iad.megapath.net
64.32.248.120	A+PTR	ip-64-32-248-120.dsl.iad.megapath.net
64.32.248.125	A+PTR	ip-64-32-248-125.dsl.iad.megapath.net
64.32.248.138	A+PTR	ip-64-32-248-138.dsl.iad.megapath.net
64.32.248.144	A+PTR	ip-64-32-248-144.dsl.iad.megapath.net
64.32.248.150	A+PTR	ip-64-32-248-150.dsl.iad.megapath.net
64.32.248.166	A+PTR	ip-64-32-248-166.dsl.iad.megapath.net
64.32.248.167	A+PTR	ip-64-32-248-167.dsl.iad.megapath.net
64.32.248.168	A+PTR	ip-64-32-248-168.dsl.iad.megapath.net
64.32.248.173	A+PTR	ip-64-32-248-173.dsl.iad.megapath.net
64.32.248.179	A+PTR	ip-64-32-248-179.dsl.iad.megapath.net
64.32.248.186	A+PTR	ip-64-32-248-186.dsl.iad.megapath.net
64.32.248.187	PTR	mx.stjohnsp.org
64.32.248.193	A+PTR	ip-64-32-248-193.dsl.iad.megapath.net
64.32.248.196	PTR	ip-64-32-248-196.dsl.iad.megapath.net
64.32.248.196	A	leds-ims.com
64.32.248.197	A+PTR	ip-64-32-248-197.dsl.iad.megapath.net
64.32.248.200	A+PTR	ip-64-32-248-200.dsl.iad.megapath.net
64.32.248.204	A+PTR	ip-64-32-248-204.dsl.iad.megapath.net
64.32.248.207	A+PTR	ip-64-32-248-207.dsl.iad.megapath.net
64.32.248.213	A+PTR	ip-64-32-248-213.dsl.iad.megapath.net
64.32.248.218	A+PTR	ip-64-32-248-218.dsl.iad.megapath.net
64.32.248.220	A+PTR	ip-64-32-248-220.dsl.iad.megapath.net
64.32.248.221	A+PTR	ip-64-32-248-221.dsl.iad.megapath.net
64.32.248.223	A+PTR	ip-64-32-248-223.dsl.iad.megapath.net
64.32.248.227	A+PTR	ip-64-32-248-227.dsl.iad.megapath.net
64.32.248.232	A+PTR	ip-64-32-248-232.dsl.iad.megapath.net
64.32.248.239	A+PTR	ip-64-32-248-239.dsl.iad.megapath.net
64.32.248.242	A+PTR	ip-64-32-248-242.dsl.iad.megapath.net
64.32.248.245	A+PTR	ip-64-32-248-245.dsl.iad.megapath.net
64.32.248.251	A+PTR	ip-64-32-248-251.dsl.iad.megapath.net
64.32.249.27	A	ip-64-32-249-27.dsl.iad.megapath.net
64.32.249.82	A	mail.snowvista.com
64.32.249.162	A+PTR	hqfw.arrowpoint.net
64.32.249.170	A+PTR	mail.arrowpoint.net
64.32.249.171	A+PTR	barracuda.arrowpoint.net
64.32.250.50	A	columbianotes.mdpools.com
64.32.250.60	PTR	ip-64-32-250-60.dsl.iad.megapath.net
64.32.250.98	A	dns.gottaseeit.com
64.32.250.167	PTR	ip-64-32-250-167.dsl.iad.megapath.net
64.32.250.179	PTR	ip-64-32-250-179.dsl.iad.megapath.net
64.32.250.179	A	viiconsortium.net
64.32.250.179	A	connectedvehicle.net
64.32.250.187	PTR	ip-64-32-250-187.dsl.iad.megapath.net
64.32.250.187	A	mail.viiconsortium.org
64.32.250.189	A+PTR	maple.connectedvehicle.org
64.32.250.189	A	mail.connectedvehicle.com
64.32.250.189	A	smtp.viiconsortium.org
64.32.250.190	A	eroom.connectedvehicle.net
64.32.250.242	PTR	smtp.eli.org
64.32.251.2	A	ip-64-32-251-2.dsl.iad.megapath.net
64.32.251.21	A	ip-64-32-251-21.dsl.iad.megapath.net
64.32.251.44	A	ip-64-32-251-44.dsl.iad.megapath.net
64.32.251.55	A	ip-64-32-251-55.dsl.iad.megapath.net
64.32.251.82	A	mail.clevengercorp.com
64.32.251.82	A	ip-64-32-251-82.dsl.iad.megapath.net
64.32.251.86	A+PTR	ip-64-32-251-86.dsl.iad.megapath.net
64.32.251.249	A	thedataproject.com