Robtex

Up: 66.155.64.0/21
Can't show all results, try to descend to a more specific CIDR
Down left: 66.155.64.0/23
Down right: 66.155.66.0/23
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
66.155.64.2	A+PTR	solidmock.net
66.155.64.2	A	ns1.solidmock.net
66.155.64.2	A	ns2.solidmock.net
66.155.64.4	PTR	enews-bellman.fakestep.org
66.155.64.4	A	alulae-prince.solidmock.net
66.155.64.8	A	stormserver.tk
66.155.64.10	A	lostmatrix.com
66.155.64.10	A	ns2.lostmatrix.com
66.155.64.10	A	ns1.lostmatrix.com
66.155.64.23	PTR	basis-gross.fakestep.org
66.155.64.23	A	basis-gross.weakstuff.com
66.155.64.26	PTR	java-51.fakestep.org
66.155.64.52	A+PTR	charpsicon.com
66.155.64.71	PTR	zip-monthly.fakestep.org
66.155.64.71	A	zip-monthly.weakstuff.com
66.155.64.83	A	idachen.com
66.155.64.83	A	home.raymondchen.com
66.155.64.89	A+PTR	anciscar.com
66.155.64.96	PTR	bye-wiring.fakestep.org
66.155.64.102	A+PTR	zanylayer.org
66.155.64.103	A+PTR	savedseek.zanylayer.org
66.155.64.104	A+PTR	worse-system.zanylayer.org
66.155.64.104	A	ns2.zanylayer.org
66.155.64.117	PTR	quayintention.woefulrich.com
66.155.64.123	A	www.doodle-art.com
66.155.64.123	A	doodle-art.com
66.155.64.158	PTR	lays-later.woefulrich.com
66.155.64.179	PTR	mail-mail-style.woefulrich.com
66.155.64.179	A	mail-mail-style.zanylayer.org
66.155.64.189	PTR	chanes-defining.woefulrich.com
66.155.64.189	A	chanes-defining.zanylayer.org
66.155.64.196	PTR	fchdir-embody.woefulrich.com
66.155.64.200	A+PTR	vableenies.com
66.155.64.222	PTR	aux-multi.fakestep.org
66.155.65.1	PTR	weaksure.com
66.155.65.1	A	ns2.laybang.net
66.155.65.1	A	laybang.net
66.155.65.6	PTR	bra-wide.risibledead.com
66.155.65.6	A	prophets.laybang.net
66.155.65.24	PTR	nm9-mesh-enews.risibledead.com
66.155.65.41	PTR	cobol-mail.devequip.com
66.155.65.45	PTR	ksu-imap-pdf.devequip.com
66.155.65.116	PTR	tuques-intel.risibledead.com
66.155.65.116	A	tuques-intel.weaksure.com
66.155.65.191	PTR	link-up-effect.risibledead.com
66.155.65.203	PTR	grumpy-kidding.onlyalbino.com
66.155.65.212	PTR	packs-brunches.onlyalbino.com
66.155.65.215	A+PTR	versadici.com
66.155.65.227	PTR	disjoint-4196.onlyalbino.com
66.155.65.232	PTR	conduct-wield.onlyalbino.com
66.155.65.249	PTR	mail-glookbib.devequip.com
66.155.65.249	A	clarent.voodootechnologies.com
66.155.65.249	A	alphaca.duckdns.org
66.155.66.5	PTR	fathng-fistten.shyedgy.com
66.155.66.10	A+PTR	fzobuiseness.com
66.155.66.41	A+PTR	791sir.shyedgy.com
66.155.66.137	PTR	tnz-time.currentnext.net
66.155.66.181	PTR	sent-your.currentnext.net
66.155.67.1	A+PTR	fitly.currentnext.net
66.155.67.1	A	ns1.currentnext.net
66.155.67.1	A	ns2.currentnext.net
66.155.67.39	PTR	sent-torpid.currentnext.net
66.155.67.61	A+PTR	gembestof.com
66.155.67.89	PTR	particular-ash2-step.currentnext.net
66.155.67.101	A+PTR	farmmajesty.com
66.155.67.161	A+PTR	01aal3-used.mockbig.net