Robtex

Up: 199.96.208.0/21
Can't show all results, try to descend to a more specific CIDR
Down left: 199.96.212.0/23
Down right: 199.96.214.0/23
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
199.96.214.73	A	build-5.globalinxcall.com
199.96.214.79	A+PTR	dns01.roc.glvoipcall.com
199.96.214.79	A	ns3.globalinxcall.com
199.96.214.79	A	dns01.roc.globalinxcall.com
199.96.214.92	A	wam.globalinx.com
199.96.215.92	PTR	199-96-215-92.globalinxcall.com
199.96.215.230	PTR	msg01.pri.globalinxlab.com
199.96.215.230	A	mx.glvoiplab.com
199.96.215.230	A	mx.globalinxlab.com