Robtex

Up: 64.112.224.0/20
Can't show all results, try to descend to a more specific CIDR
Down left: 64.112.232.0/22
Down right: 64.112.236.0/22
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
64.112.236.2	A	guardnet.com
64.112.236.5	A	daffyd.guardnet.com
64.112.236.6	A	daffyd-phys.guardnet.com
64.112.236.7	A	donaldd.guardnet.com
64.112.236.8	A	donaldd-phys.guardnet.com
64.112.236.9	A	huey.guardnet.com
64.112.236.10	A	huey-phys.guardnet.com
64.112.236.11	A	dewey.guardnet.com
64.112.236.16	A	webclass.guardnet.com
64.112.236.17	A	webentry2.guardnet.com
64.112.236.18	A+PTR	ads.registerguard.com
64.112.236.19	A	tads.guardnet.com
64.112.236.24	A	zmail.registerguard.com
64.112.236.25	A	zimbra.guardnet.com
64.112.236.26	A	rgweb-f.registerguard.com
64.112.236.26	A	neptune.guardnet.com
64.112.236.27	PTR	rgcam-east.guardnet.com
64.112.236.32	A	jaq-phys.guardnet.com
64.112.236.33	A	gus.guardnet.com
64.112.236.34	A	gus-phys.guardnet.com
64.112.236.45	A	goofy.guardnet.com
64.112.237.14	PTR	fe-0-0.er02.ptldor.ipservices.com
64.112.237.100	PTR	ips-portland.tcpipservices.com
64.112.238.14	PTR	exchsrv2003.oregonmed.net
64.112.238.17	A	mail.oregonmed.net
64.112.238.79	A	bookfinders.org
64.112.238.133	A	ncircle.com
64.112.238.133	A	support.tripwire.com
64.112.238.157	A	newhopelights.com
64.112.238.157	A	reports.ipservices.com
64.112.238.157	A	coloeugene.com
64.112.238.210	A	dropsend.com
64.112.238.211	A	myaccount.dropsend.com
64.112.238.212	A	groupdropbox.com
64.112.239.66	A	elfuturoentusmanos.net
64.112.239.66	A	elfuturoentusmanos.com
64.112.239.66	A	www.handsonbanking.com
64.112.239.69	A	elfuturoentusmanos.com