Robtex

Up: 166.77.8.0/23
Can't show all results, try to descend to a more specific CIDR
Down left: 166.77.8.0/25
Down right: 166.77.8.128/25
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
166.77.8.8	PTR	scanner.viacom.com
166.77.8.20	A+PTR	mtvnexternalvideo.viacom.com
166.77.8.20	A+PTR	travis.viacom.com
166.77.8.20	A+PTR	viasupplies.viacom.com
166.77.8.30	A	ssedweb.viacom.com
166.77.8.34	A+PTR	saprouter.viacom.com
166.77.8.43	A	allaccessinternational.viacom.com
166.77.8.44	A	eventmanagement.viacom.com
166.77.8.44	A	kit.viacom.com
166.77.8.44	A	nicksharepoint.com
166.77.8.51	PTR	citrix.viacom.com
166.77.8.60	PTR	ftp2.viacom.com
166.77.8.63	A	market.viacom.com
166.77.8.63	A	sapwebdsp.viacom.com
166.77.8.71	A+PTR	adsale.viacom.com
166.77.8.71	A+PTR	symposium.viacom.com
166.77.8.79	A	oacis-commserver1.viacom.com
166.77.8.80	PTR	owa1.viacom.com
166.77.8.80	A	otisinventorywebservice.viacom.com
166.77.8.81	PTR	sniowa.viacom.com
166.77.8.84	PTR	owa.viacom.com
166.77.8.88	A	cbsviacomplus.com
166.77.8.89	PTR	treasury.viacom.com
166.77.8.90	A+PTR	researchcouncil.viacom.com
166.77.8.92	A	partyrsvp.viacom.com
166.77.8.93	A+PTR	trainingcouncil.viacom.com
166.77.8.102	A+PTR	nontweb.viacom.com
166.77.8.103	A+PTR	divirsitycouncil.viacom.com
166.77.8.113	A	mtvcareers.com
166.77.8.113	A	www.viacomcareers.com
166.77.8.113	A	mtvncareers.com
166.77.8.125	A	proxymaterials.viacom.com
166.77.8.125	A	biz.viacom.com
166.77.8.125	A	tvlandpress.com
166.77.8.133	A	www.viacommunity.com
166.77.8.133	A	viacommunityauth.viacom.com
166.77.8.139	PTR	floor52.viacom.com
166.77.8.147	A	cuttingedge.viacom.com
166.77.8.150	A	mtvmusicmix.com
166.77.8.150	A	mtvandvh1musicinfo.com
166.77.8.154	A	sniammodev.viacom.com
166.77.8.155	A	www.nicksource.com
166.77.8.155	A	mtvncs.com
166.77.8.155	A	nicksource.com
166.77.8.156	PTR	commuickation.com
166.77.8.156	PTR	www.communickation.com
166.77.8.173	A+PTR	trend.viacom.com
166.77.8.173	A+PTR	trend1.viacom.com
166.77.8.173	A	vscanner.viacom.com
166.77.8.174	A+PTR	trend.viacom.com
166.77.8.174	A+PTR	trend2.viacom.com
166.77.8.174	A	vscanner2.viacom.com
166.77.8.190	A	sniammo.viacom.com
166.77.8.192	A+PTR	pages.viacom.com
166.77.8.192	A	thepages.viacom.com
166.77.8.198	A	nickatretail.com
166.77.8.221	PTR	ftp.viacom.com
166.77.8.222	A	vimnresearchdev.viacom.com
166.77.8.222	A	mtvpressadmindev.viacom.com
166.77.8.222	A	jobhuntwebdev.viacom.com
166.77.8.227	A	mtvinternational.net
166.77.8.227	A	nanonair.com
166.77.8.227	A	tvlanddesign.com
166.77.8.232	A	citrix.viacom.com
166.77.8.233	PTR	allaccessinternational.viacom.com
166.77.8.233	A	allaccess.viacom.com
166.77.8.247	A	newteamup.viacom.com