Robtex

Up: 65.97.48.0/20
Can't show all results, try to descend to a more specific CIDR
Down left: 65.97.48.0/22
Down right: 65.97.52.0/22
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
65.97.48.133	PTR	br02-8-1.iad2.net2ez.com
65.97.48.254	PTR	cr02-1-1.iad1.netdc.com
65.97.49.0	PTR	0.49.97.65.in-addr.arpa
65.97.49.34	A+PTR	ns2.net2ez.com
65.97.49.34	A	ns2.netdatacenters.com
65.97.49.88	PTR	88.49.97.65.in-addr.arpa
65.97.49.90	PTR	90.49.97.65.in-addr.arpa
65.97.49.107	PTR	107.49.97.65.in-addr.arpa
65.97.49.136	PTR	136.49.97.65.in-addr.arpa
65.97.50.2	PTR	mt-cr01.mediatemple.net
65.97.50.37	A	dns1.pkrinternet.com
65.97.50.37	A	ns1.threepillar.net
65.97.50.41	PTR	www.americantutoringassociation.org
65.97.50.50	A	ns2.threepillar.net
65.97.50.50	A	dns2.pkrinternet.com
65.97.50.50	A	cauldron.pkrinternet.com
65.97.50.59	A	hq-nat.pkrinternet.com
65.97.50.204	A	reporter.navic.tv
65.97.51.1	A+PTR	sitenat-iad.reachlocal.com
65.97.51.118	A	rtsys.rtrk.com.br
65.97.51.119	A	rtrk.com.ar
65.97.51.121	PTR	rtrk.com.pe.51.97.65.in-addr.arpa
65.97.51.121	A	www.rtrk.cl
65.97.51.122	A	advreports.ca
65.97.51.131	A	rtrk.ca.rlcdn.net
65.97.51.131	A	rtrk.ca20dvnhyundai-px.rtrk.ca
65.97.51.131	A	a20for20search.rtrk.ca20dvnhyundai-px.rtrk.ca
65.97.51.141	A	www.rtrk.ca
65.97.51.230	A+PTR	dns-gslb-iad.reachlocal.com
65.97.51.231	PTR	dns-02.reachlocal.com
65.97.51.231	A	ns2.reachlocal.com
65.97.51.232	A+PTR	dns-04.reachlocal.com
65.97.52.138	A	mail.globalpoliticalstrategies.com
65.97.52.156	A	westgate.apcoassoc.com
65.97.52.178	A	solstice.sunfire.net
65.97.52.210	A	truecoverage.com
65.97.54.10	PTR	dc01.cvent.com
65.97.54.18	A	venues.cvent.com
65.97.54.18	A	cvent.mobi
65.97.54.19	A	api.cvent.com
65.97.54.20	A	app.cvent.com
65.97.54.26	A	corp.cvent.com
65.97.54.27	A	images.cvent.com
65.97.54.28	A	crowdtorchevents.com
65.97.54.28	A	crowdtorchrsvp.com
65.97.54.32	A	cds2.cvent.com
65.97.54.32	A	bwwexit.com
65.97.54.32	A	vaniamgroupmeetings.com
65.97.54.245	PTR	mx2.cvent.com
65.97.54.245	A	mx2.elitemeetingsalliance.com
65.97.54.245	A	mx2.attendeehub.com
65.97.54.246	PTR	smtp2.cvent.com
65.97.54.250	PTR	mx.narrowcaster.com
65.97.54.251	A	smtp.narrowcaster.com