Robtex

Up: 131.170.0.0/15
Can't show all results, try to descend to a more specific CIDR
Down left: 131.171.0.0/17
Down right: 131.171.128.0/17
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
131.171.0.1	A	fury.umuc.edu
131.171.0.2	A	wrath.umuc.edu
131.171.8.31	A	knowital.umuc.edu
131.171.8.32	A+PTR	google2.umuc.edu
131.171.8.36	A+PTR	google3.umuc.edu
131.171.8.102	A	search.umuc.edu
131.171.9.33	PTR	tychong.umuc.edu
131.171.9.33	A+PTR	tychong.tycho.ubalt.edu
131.171.9.80	A	ubonline.webtycho.com
131.171.9.100	A	dms.umuc.edu
131.171.9.104	A	dmsma.umuc.edu
131.171.10.224	A	dmzsysmgt1.umuc.edu
131.171.11.11	PTR	umuc.net
131.171.11.11	PTR	www.umuconline.com
131.171.11.11	PTR	www.umucstart.com
131.171.11.13	PTR	isqlplus.umuc.edu
131.171.19.45	A+PTR	vpn.umuc.edu
131.171.34.145	A	cmg.umuc.edu
131.171.43.53	A	appscrmdev.umuc.edu
131.171.43.200	A	crm.umuc.edu
131.171.43.222	A	psucbooks.umuc.edu
131.171.43.223	A	psfinanceqatmsg.umuc.edu
131.171.46.254	PTR	inet.umuc.edu
131.171.64.1	A	tip.umuc.edu
131.171.64.2	A	ring.umuc.edu
131.171.140.1	A	umuc-gw.umuc.edu
131.171.158.70	A	youngandpolite.net
131.171.168.49	A	131-117-168-49.rdns.blackberry.net
131.171.168.105	A	131-117-168-105.rdns.blackberry.net
131.171.201.24	A+PTR	webhost.umuc.edu
131.171.201.59	A	vcse.umuc.edu