Robtex

Up: 74.113.16.0/21
Can't show all results, try to descend to a more specific CIDR
Down left: 74.113.20.0/23
Down right: 74.113.22.0/23
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
74.113.20.8	A	ftp2.mackaymeters.com
74.113.20.70	A	answerislandinc.com
74.113.20.72	A	architectyourfuture.com
74.113.20.72	A	abconsultants.com
74.113.20.72	A	canadashometownparade.com
74.113.20.76	A	christianvoterguide.org
74.113.21.132	PTR	mail.iceberginternet.com
74.113.21.143	PTR	tt401.webinmotion.com
74.113.21.146	PTR	web1.webinmotion.com
74.113.21.147	PTR	web3.webinmotion.com
74.113.21.227	A	tennesseecomputers4kids.org
74.113.21.227	A	tncomputers4kids.org
74.113.21.248	PTR	spam.icebergit.com