Robtex

Up: 158.62.0.0/15
Can't show all results, try to descend to a more specific CIDR
Down left: 158.63.0.0/17
Down right: 158.63.128.0/17

IP	Type	Hostname
158.63.2.10	PTR	ws2-10.darpa.mil
158.63.2.78	PTR	ws2-78.darpa.mil
158.63.250.1	A	casax-dr-1.darpa.mil
158.63.250.2	A	casax-dr-2.darpa.mil
158.63.250.4	A+PTR	mailgate5.darpa.mil
158.63.250.5	A+PTR	mailgate6.darpa.mil