Robtex

Up: 216.170.184.0/21
Can't show all results, try to descend to a more specific CIDR
Down left: 216.170.188.0/23
Down right: 216.170.190.0/23
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
216.170.188.130	PTR	smtp2.inacom-msn.com
216.170.188.131	A	smtp.inacom-msn.com
216.170.188.131	A	dns1.inacom-msn.com
216.170.190.70	A+PTR	idirect.inacom-msn.com
216.170.190.88	PTR	www.vitaplus.com
216.170.190.88	PTR	www.vitaplusfeed.com
216.170.190.90	PTR	www.ecobradmin.com
216.170.190.90	PTR	www.eflexgroup.com
216.170.190.96	A+PTR	aei.inacom-msn.com
216.170.190.102	A	uwli.inacom-msn.com
216.170.190.109	A	itabxp.inacom-msn.com
216.170.190.114	A	projects.inacom-msn.com
216.170.190.117	PTR	web9.inacom-msn.net
216.170.190.117	A	yavin.com
216.170.190.120	A	belronusa.com
216.170.190.121	A+PTR	h216-170-190-121.burkwi.dedicated.static.tds.net
216.170.190.123	PTR	www.nelly.com
216.170.190.147	A+PTR	h216-170-190-147.burkwi.dedicated.static.tds.net
216.170.190.151	A	communitycareorganization.org
216.170.190.151	A	www.communitycareorganization.org
216.170.190.152	A	www1.inacom.com
216.170.190.156	PTR	www.greatwolf.com
216.170.190.158	A	ftp.vitaplus.com
216.170.190.162	A+PTR	h216-170-190-162.burkwi.dedicated.static.tds.net
216.170.190.162	A	itaas.inacom.com
216.170.190.167	A	lifeevents.weatrust.com
216.170.190.171	A+PTR	tomcat.inacom.com
216.170.190.171	PTR	lifeevents.inacom-msn.net
216.170.190.171	PTR	lug-all-stage.inacom-msn.net
216.170.190.175	PTR	ns1432.ztomy.com
216.170.190.175	A	www.inacom-msn.com
216.170.190.175	A	educoutlines.inacom.com
216.170.190.186	A+PTR	blog.inacom.com
216.170.190.186	PTR	belllabs.inacom-msn.net
216.170.190.186	PTR	boumatic-bugzilla.inacom-msn.net