Robtex

Up: 63.247.28.0/23
Can't show all results, try to descend to a more specific CIDR
Down left: 63.247.29.0/25
Down right: 63.247.29.128/25
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
63.247.29.6	A+PTR	vhhdoctor.org
63.247.29.6	PTR	www.vhhdoctor.org
63.247.29.6	PTR	test.vhhdoctor.org
63.247.29.7	A+PTR	autodiscover.med.usc.edu
63.247.29.7	PTR	medmail.med.usc.edu
63.247.29.7	A+PTR	outlook.med.usc.edu
63.247.29.24	A+PTR	med-admgr.med.usc.edu
63.247.29.25	PTR	template.standard.med.usc.edu
63.247.29.48	A	uscneurosurgery.com
63.247.29.82	A	kmcdns01.med.usc.edu
63.247.29.107	PTR	calv-appprog.med.usc.edu
63.247.29.130	PTR	keckweb.med.usc.edu
63.247.29.130	A	keck.usc.edu
63.247.29.130	A	mic.usc.edu
63.247.29.142	A+PTR	surgery1.med.usc.edu
63.247.29.142	A	uscgerd.com
63.247.29.142	A	uscmelanoma.com
63.247.29.149	A+PTR	surgery2.med.usc.edu
63.247.29.162	PTR	bioinformatics.med.usc.edu
63.247.29.162	A	bioinformatics.usc.edu
63.247.29.170	PTR	calv-srvfreez01.med.usc.edu
63.247.29.173	PTR	calv-ccntdev.med.usc.edu
63.247.29.173	A	cspconfidentialitytraining.com
63.247.29.173	A	mx.cspconfidentialitytraining.com
63.247.29.183	A	usckeck.com
63.247.29.195	PTR	pantherutil-static-nat.med.usc.edu
63.247.29.195	A	data.pantherdb.org
63.247.29.199	PTR	score.med.usc.edu
63.247.29.211	PTR	pantherwiki.med.usc.edu
63.247.29.219	A	usckeck.net
63.247.29.223	A	usckeck.org
63.247.29.230	PTR	pantherweb.med.usc.edu
63.247.29.232	PTR	panthertest.med.usc.edu
63.247.29.232	A	mail.pantherdb.org
63.247.29.252	A+PTR	calv-epigenome.med.usc.edu
63.247.29.252	A	epigenome.usc.edu