Robtex

Up: 166.76.0.0/15
Can't show all results, try to descend to a more specific CIDR
Down left: 166.77.0.0/17
Down right: 166.77.128.0/17
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
166.77.0.150	A	owa.viacom.com
166.77.0.152	A	securemail.viacom.com
166.77.0.162	A	mail.paramount.com
166.77.1.26	A	teamsitesqa.viacom.com
166.77.1.26	A	greenroomqa.viacom.com
166.77.1.29	A	marketqasso.viacom.com
166.77.1.38	A	register.viacom.com
166.77.4.139	A	mtvhq.com
166.77.4.139	A	mtvnhq.com
166.77.6.4	PTR	n1.viacom.com
166.77.6.7	PTR	chase1.viacom.com
166.77.7.36	A	apps.viacom.com
166.77.7.193	A	vdi.viacom.com
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
166.77.9.101	A	lyncae.viacom.com
166.77.9.113	A	lyncav.viacom.com
166.77.9.231	A	mx.viacom.com
166.77.11.7	A	mail03.viacom.com
166.77.11.9	A	mail05.viacom.com
166.77.11.10	A+PTR	mail06.viacom.com
166.77.11.22	A	owa.comedycentral.com
166.77.11.51	A	mail1.mtv-asia.com
166.77.11.52	A	mail1.mtv.com
166.77.11.78	A	mta3.teen-offers.com
166.77.12.11	A	ns1.visnetops.com
166.77.12.57	A	mainevents.mtvn.com
166.77.12.57	A	yourmtvbusinesscard.com
166.77.12.57	A	media.viacom.com
166.77.13.58	A	viacomawards.com
166.77.13.117	A	comiccabana.com
166.77.13.118	A	www.gullahgullahisland.com
166.77.13.118	A	gullahgullahisland.com
166.77.14.114	A	download.comedycentral.com
166.77.15.50	A	ftp.viacom.com
166.77.15.50	A	ftp2.viacom.com
166.77.15.50	A	ftp-1.mtvi.com
166.77.15.108	A	relaunch.iwantmychannelsback.com
166.77.16.44	A	nickelodeonmiamiopencall.com
166.77.16.51	A	mail1.mtv-asia.com
166.77.16.52	A	mail1.mtv.com
166.77.16.78	A	mta3.teen-offers.com
166.77.18.2	PTR	vislab-itg-gw2.1515.cbsig.net
166.77.22.21	A	ns1.mtvnodn.com
166.77.41.21	A	ns1.mtvitech.com
166.77.41.38	A	mail2.mtvnodn.com
166.77.41.41	A	dev.cmt.com
166.77.41.96	A+PTR	qa.nickjr.com
166.77.57.20	A	gulfappserv.viacom.com
166.77.99.31	PTR	legal.viacom.com
166.77.100.37	A	appswest.viacom.com
166.77.102.20	A+PTR	mailw.bet.net
166.77.102.52	PTR	mail04.mtv-asia.com
166.77.102.52	A	mailw.mtv-asia.com
166.77.102.53	A	mail04a.viacom.com
166.77.102.54	A	mailout04.viacom.com
166.77.103.133	PTR	rt452955.mtvn.com
166.77.162.88	PTR	corptreasapp2.viacom.com
166.77.172.98	A	crp1515netprd03.viacom.com
166.77.172.114	A	legal.viacom.com
166.77.173.82	A	talentandmusicadmin.com
166.77.173.82	A	musicandtalentadmin.com
166.77.174.13	A	portal.viacom.com
166.77.174.32	A	imailrelay.viacom.com
166.77.174.38	A	bwise.viacom.com
166.77.174.39	A	thespot.viacom.com
166.77.176.192	A	gsprelay.viacom.com
166.77.182.94	A	dmsdm1.viacom.com
166.77.182.150	A	pststweb02.viacom.com
166.77.186.35	PTR	cart.viacom.com
166.77.186.35	A+PTR	mindmeld.viacom.com
166.77.186.35	PTR	oasis.viacom.com
166.77.186.149	A	lvitcp.viacom.com
166.77.188.62	A	enterprise.viacom.com
166.77.190.59	PTR	hress.cbs.com
166.77.190.59	A+PTR	hress.viacom.com
166.77.193.34	PTR	cbsnyadsql01.cbs.com
166.77.193.104	A	sapsrpdi01.viacom.com
166.77.197.169	PTR	magic.viacom.com
166.77.200.137	A+PTR	medusan.viacom.com
166.77.228.43	A	mail.ns1.6.ewsxz.com
166.77.235.149	A	ftp1.viacom.com
166.77.235.159	A	netops9.viacom.com
166.77.235.161	A	netops11.viacom.com
166.77.235.170	A	secure.bet.com
166.77.240.140	A	pop3.viacom.com
166.77.240.141	A	imap.viacom.com
166.77.240.201	A	secureny04.viacom.com
166.77.240.202	A	secureny06.viacom.com