Robtex

Up: 198.253.0.0/19
Can't show all results, try to descend to a more specific CIDR
Down left: 198.253.16.0/21
Down right: 198.253.24.0/21

IP	Type	Hostname
198.253.16.33	PTR	chasn-gw-ge100-16.spawar.navy.mil
198.253.16.105	PTR	chs-snt-ossr.spawar.navy.mil
198.253.24.55	PTR	vis.chs.spawar.navy.mil
198.253.24.66	A+PTR	eos.chs.spawar.navy.mil
198.253.29.51	PTR	sc-dmz-51.chs.spawar.navy.mil