Robtex

Up: 64.239.32.0/20
Can't show all results, try to descend to a more specific CIDR
Down left: 64.239.40.0/22
Down right: 64.239.44.0/22
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
64.239.40.8	PTR	ns2.clinesales.com
64.239.40.152	PTR	magazineadvertisingagency.com
64.239.41.24	PTR	coltsrun.net
64.239.41.109	PTR	bighorn-sheep.com
64.239.41.115	PTR	bernese-mountain-dogs.org
64.239.41.212	A	www.tj.ca
64.239.41.212	A	tj.ca
64.239.41.212	A	mail.tj.ca
64.239.42.98	PTR	dom-64-239-42-98.a2zinternet.net
64.239.42.206	PTR	editorialveramar.com
64.239.43.13	PTR	ns1.themayhem.com
64.239.43.14	A	ns1.russianamerica.com
64.239.43.152	A	ns.healthywealthytoday.com
64.239.43.152	A	mail.healthywealthytoday.com
64.239.43.152	A	ns1.healthywealthytoday.com
64.239.43.240	PTR	webchamp.com
64.239.43.254	PTR	halloween-ideas.net
64.239.44.27	PTR	cache-ler-c1-outboundrequest.com
64.239.44.31	A	mail.motion-lights.com
64.239.44.31	A	motion-lights.com
64.239.44.35	PTR	cache-ler-c9-outboundrequest.com
64.239.44.117	PTR	cache-ler-m1-outboundrequest.com
64.239.44.135	PTR	cache-ler-o1-outboundrequest.com
64.239.44.169	PTR	cache-ler-r8-outboundrequest.com
64.239.45.183	PTR	hornyjoke.com
64.239.45.184	PTR	dildoman.com
64.239.45.185	PTR	dildodoll.com
64.239.45.187	PTR	bitchnude.com
64.239.45.193	PTR	waterpiss.com
64.239.45.201	PTR	maledildo.com
64.239.45.203	PTR	juniorfuck.com
64.239.45.211	PTR	japanpee.com
64.239.46.169	PTR	sex-uranai.com
64.239.46.197	PTR	skoda-superb.com.hr
64.239.46.198	PTR	tojesigura.com
64.239.46.227	A	mail3.i-fax.com
64.239.47.1	PTR	64.239.47.1
64.239.47.36	PTR
64.239.47.237	PTR	adult-xxx-sex-videos.com