Robtex

Up: 192.251.32.0/20
Can't show all results, try to descend to a more specific CIDR
Down left: 192.251.40.0/22
Down right: 192.251.44.0/22
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
192.251.46.3	A+PTR	mx.fmarion.edu
192.251.46.3	A+PTR	owa.fmarion.edu
192.251.46.3	PTR	bbdev.fmarion.edu
192.251.46.7	A+PTR	recoverystudent.fmarion.edu
192.251.46.8	A+PTR	swampfox.fmarion.edu
192.251.46.10	A	acsweb.fmarion.edu
192.251.46.25	A+PTR	legacy.fmarion.edu
192.251.46.40	A+PTR	channel11sw.fmarion.edu
192.251.46.43	A+PTR	orion.fmarion.edu
192.251.46.52	PTR	fmarion.edu
192.251.46.52	PTR	cs.fmarion.edu
192.251.46.52	A+PTR	netprice.fmarion.edu
192.251.46.61	A+PTR	view-security.fmarion.edu
192.251.46.62	A+PTR	blackboard.fmarion.edu
192.251.47.5	A	as400.fmarion.edu