Robtex

Up: 74.201.80.0/22
Can't show all results, try to descend to a more specific CIDR
Down left: 74.201.80.0/24
Down right: 74.201.81.0/24
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
74.201.80.20	A+PTR	ms1.zvents.com
74.201.80.21	A+PTR	ms2.zvents.com
74.201.80.24	PTR	js.zvents.com
74.201.80.25	PTR	www.zvents.com
74.201.80.25	A	zventz.com
74.201.80.25	A	zevents.net
74.201.80.43	A+PTR	partner-mm.zvents.com
74.201.80.49	A+PTR	ns1.zvents.com
74.201.80.50	A+PTR	ns2.zvents.com
74.201.80.62	A+PTR	corporate.zvents.com
74.201.80.66	PTR	staging-mm.zvents.com
74.201.80.150	A	msn.zvents.com
74.201.80.160	A+PTR	bostoncalendar.zvents.com
74.201.80.184	A+PTR	js.zvents.com
74.201.81.51	A	forums.gamefuse.com
74.201.81.141	A	do.us.changyou.com
74.201.81.141	A	z.us.changyou.com
74.201.81.141	A	wiki.us.changyou.com
74.201.81.198	A	resgw.gamebox.com
74.201.81.233	A	mobo-air.com