Robtex

Up: 67.63.160.0/19
Can't show all results, try to descend to a more specific CIDR
Down left: 67.63.176.0/21
Down right: 67.63.184.0/21

IP	Type	Hostname
67.63.176.1	A	core-vb-7010-fe1-0.va-inter.net
67.63.176.2	PTR	marlin.exis.net
67.63.176.101	A	hs.surfboost.net
67.63.176.106	A	occumedservices.com
67.63.177.17	PTR	core-vb-7010-eth2-1.va-inter.net
67.63.177.18	PTR	shark11.exis.net
67.63.177.19	PTR	shark12.exis.net
67.63.177.20	PTR	termserver.exis.net
67.63.179.2	PTR	digital-6-2.exis.net
67.63.179.3	PTR	digital-6-3.exis.net
67.63.179.17	PTR	digital-6-17.exis.net
67.63.179.18	PTR	digital-6-18.exis.net
67.63.179.32	PTR	digital-6-32.exis.net
67.63.179.48	PTR	digital-6-48.exis.net
67.63.179.49	PTR	digital-6-49.exis.net
67.63.179.51	PTR	digital-6-51.exis.net
67.63.179.65	PTR	digital-7-65.exis.net
67.63.179.66	PTR	digital-7-66.exis.net
67.63.179.128	PTR	digital-8-128.exis.net
67.63.179.145	PTR	digital-8-145.exis.net
67.63.179.195	PTR	digital-9-195.exis.net
67.63.179.208	PTR	digital-10-208.exis.net
67.63.179.210	PTR	digital-10-210.exis.net
67.63.179.211	PTR	digital-10-211.exis.net
67.63.179.226	PTR	digital-10-226.exis.net
67.63.180.2	PTR	digital-11-2.exis.net
67.63.180.3	PTR	digital-11-3.exis.net
67.63.180.17	PTR	digital-11-17.exis.net
67.63.180.18	PTR	digital-11-18.exis.net
67.63.180.19	PTR	digital-11-19.exis.net
67.63.180.34	PTR	digital-11-34.exis.net
67.63.180.51	PTR	digital-11-51.exis.net
67.63.180.83	PTR	digital-12-83.exis.net
67.63.181.50	PTR	server.militarynews.com
67.63.181.51	PTR	www.northstartraining.com
67.63.184.4	PTR	aelwife.exis.net
67.63.184.23	PTR	ainsworth.exis.net
67.63.184.30	PTR	westernbranch.aquamet.com
67.63.185.53	A	kymrxpmw.com