Robtex

Up: 216.247.8.0/21
Can't show all results, try to descend to a more specific CIDR
Down left: 216.247.8.0/23
Down right: 216.247.10.0/23
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
216.247.8.135	A	metrounlimited.com
216.247.8.145	PTR	stanadyne.com
216.247.9.27	PTR	ronstoyshop.com
216.247.9.37	PTR	vbsourcecode.com
216.247.9.104	PTR	gnm.com
216.247.9.104	PTR	gnmtx.com
216.247.9.121	PTR	e-interactiv.com
216.247.9.133	PTR	apollochorus.org
216.247.9.138	PTR	pa-so.com
216.247.9.144	PTR	bpmassage.com
216.247.9.146	PTR	chicagobridemagazine.com
216.247.9.153	PTR	gmnet2000.com
216.247.9.156	PTR	termnetinc.com
216.247.9.156	PTR	pop.termnetinc.com
216.247.9.156	PTR	smtp.termnetinc.com
216.247.9.158	PTR	warrickcustomhobbies.com
216.247.9.161	PTR	miataworld.com
216.247.9.174	PTR	loxos.com
216.247.9.180	PTR	wildata.net
216.247.9.190	PTR	mauituxedos.com
216.247.9.193	PTR	pro-mujer.org
216.247.9.227	PTR	gaddisinc.com
216.247.9.248	PTR	iptbio.com
216.247.10.1	PTR	int-5500.interland.net
216.247.10.7	PTR	goodtrash.com
216.247.10.7	PTR	greenacreproperties.com
216.247.10.23	PTR	tireskate.com
216.247.10.59	A	divingusa.com
216.247.10.88	PTR	haverhill-dentist.com
216.247.10.103	A	chrisandjennifer.com
216.247.10.124	PTR	communitywater.com
216.247.10.137	PTR	mri-ecommerce.com
216.247.10.137	PTR	steelheadhunter.com
216.247.10.181	PTR	zakdirt.com
216.247.10.193	PTR	city-key.com
216.247.10.194	PTR	jeffsbodyshop.com
216.247.10.194	PTR	myweddings.com
216.247.10.232	PTR	mooseradio.com
216.247.11.14	PTR	tradalloy.com
216.247.11.20	PTR	linxware.com
216.247.11.20	PTR	imschools.org
216.247.11.53	PTR	bvaseattle.org
216.247.11.97	PTR	basset.net
216.247.11.114	PTR	morinbrick.com
216.247.11.117	PTR	borealisdesigns.com
216.247.11.140	PTR	kestenbaum.com
216.247.11.186	PTR	omniranch.com
216.247.11.203	PTR	blackshoe.com
216.247.11.203	PTR	spycow.com
216.247.11.210	PTR	c2repro.com
216.247.11.227	PTR	wardogs.org
216.247.11.248	PTR	ikonics.com
216.247.11.254	PTR	newsjobs.net