Robtex

Up: 74.217.50.0/23
Can't show all results, try to descend to a more specific CIDR
Down left: 74.217.50.0/25
Down right: 74.217.50.128/25
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
74.217.50.30	PTR	border1.ge4-8.slangwho-1.nyj001.pnap.net
74.217.50.47	A	www.openad.com
74.217.50.68	A	www.slangwho.com
74.217.50.68	A	slangwho.biz
74.217.50.68	A	slangwho.us
74.217.50.70	A	slangwhomail.com
74.217.50.100	A	slangwhat.com
74.217.50.104	A+PTR	roomstermail.com
74.217.50.104	A	map.roomster.com
74.217.50.109	PTR	roomster.com
74.217.50.109	A	s.roomster.com
74.217.50.109	A	roomzilla.com
74.217.50.110	A	soc.roomster.com
74.217.50.114	PTR	linkwork-1-lo.nyj004.pnap.net