Robtex

Up: 66.170.96.0/19
Can't show all results, try to descend to a more specific CIDR
Down left: 66.170.96.0/21
Down right: 66.170.104.0/21
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
66.170.96.0	PTR	66-170-96-0.bluemontnetworks.net
66.170.96.1	PTR	66-170-96-1.bluemontnetworks.net
66.170.96.1	A	gp-den1.vmware.com
66.170.96.2	A	dns1.bluemontnetworks.net
66.170.96.2	A	gp-den2.vmware.com
66.170.96.3	A+PTR	dns2.bluemontnetworks.net
66.170.97.1	PTR	66-170-97-1.bluemontnetworks.net
66.170.97.1	A	gp-atl01-gw1.vmware.com
66.170.97.2	A	gp-atl01-gw2.vmware.com
66.170.97.51	PTR	66-170-97-51.bluemontnetworks.net
66.170.97.114	PTR	vhost.mybluemont.com
66.170.97.114	A	vnotify.com
66.170.97.114	A	www.vnotify.com
66.170.99.1	PTR	66-170-99-1.bluemontnetworks.net
66.170.99.50	A	gp-sjc31-gw1.vmware.com
66.170.99.51	PTR	66-170-99-51.bluemontnetworks.net
66.170.99.51	A	gp-sjc31-gw2.vmware.com
66.170.99.57	A	gp2-sjc31-gw1.vmware.com
66.170.99.58	A	gp2-sjc31-gw2.vmware.com
66.170.100.1	PTR	66-170-100-1.bluemontnetworks.net
66.170.100.154	A	hormel.mybluemont.com
66.170.101.73	A	csmailgw.collegesummit.org
66.170.101.75	A	email2.collegesummit.org
66.170.102.205	A	mybrightdoc.com
66.170.103.2	A	ns3.bluemontnetworks.net
66.170.103.2	A	ns1.bluemontnetworks.net
66.170.103.20	A	mail.acebill.com
66.170.103.226	PTR	66-170-103-226.bluemontnetworks.net
66.170.103.226	A	mahanlawfirm.com
66.170.107.59	A	mail.dullesjetcenter.com
66.170.109.210	PTR	66-170-109-210.bluemontnetworks.net
66.170.111.1	PTR	snm-gw.bluemontnetworks.net
66.170.111.4	A	snm-mail.snm.org
66.170.111.15	A	www.molecularimagingcenter.org
66.170.111.15	A	molecularimagingcenter.org
66.170.111.16	A+PTR	snmmail.snm.org
66.170.111.21	A	auth-cstg.gtmglb-stg.vmware.com
66.170.111.26	A	www.molecularimagingcenter.org
66.170.111.26	A	molecularimagingcenter.org
66.170.111.44	A	mon.vmware.com
66.170.111.240	PTR	phones.tracen.com