Robtex

Up: 216.70.208.0/20
Can't show all results, try to descend to a more specific CIDR
Down left: 216.70.216.0/22
Down right: 216.70.220.0/22
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
216.70.216.15	A	webmail.mindshift.com
216.70.216.24	A	support.mindshift.com
216.70.216.45	A+PTR	exch2016.mindshift.com
216.70.216.45	A	mstmail.mindshift.com
216.70.216.100	A	mail2.tcwr.net
216.70.216.100	A	mail.tcwr.net
216.70.216.100	A	mail.sekon.com
216.70.217.170	A	minexc2k.haysgroup.com
216.70.218.14	A	aiau.aia.org
216.70.218.15	PTR	hvi-dtram.vdi.mindshift.com
216.70.218.15	A	code.aia.org
216.70.218.16	A	transcriptarchitect.com
216.70.218.17	PTR	noe-dtram.vdi.mindshift.com
216.70.218.17	A	www.epcompanion.org
216.70.218.17	A	favoritearchitecture.org
216.70.218.19	PTR	kap-dtram.vdi.mindshift.com
216.70.218.24	A	public.aia.org
216.70.218.45	A	www.sacubo.org
216.70.218.45	A	sacubo.org
216.70.218.123	A	mail.afsnet.net
216.70.218.248	A	iiaba.org
216.70.218.248	A	iiau.org
216.70.218.248	A	trustedchoiceco.com
216.70.219.129	A	px01.mybackuponline.com
216.70.219.130	A	px02.mybackuponline.com
216.70.221.173	A	mail.securemainserver.com
216.70.221.173	A	mail.tf2000.com
216.70.222.206	A	live-link-video.net