Robtex

Up: 66.170.128.0/20
Can't show all results, try to descend to a more specific CIDR
Down left: 66.170.136.0/22
Down right: 66.170.140.0/22
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
66.170.136.13	PTR	wateroak.cc
66.170.136.13	PTR	4riverridge.com
66.170.136.13	PTR	branchcreek.com
66.170.136.142	PTR	dfcufinancial.com
66.170.136.142	PTR	dfcutitle.com
66.170.136.142	A+PTR	www.dfcufinancial.com
66.170.136.148	A	dfservices.net
66.170.136.194	A	ns21.wdiv.com
66.170.136.197	A	fw1.wdiv.com
66.170.136.222	A	ns11.wdiv.com
66.170.137.97	A+PTR	spamfil.rgpt.com
66.170.137.97	PTR	exch1.int.rgpt.com
66.170.137.97	A	spamfil.ramco-gershenson.com
66.170.137.98	A	myramco.net
66.170.137.100	PTR	exch1.int.rgpt.com
66.170.137.131	PTR	mail.securitycorp.com
66.170.137.131	PTR	webmail.securitycorp.com
66.170.137.131	A	securitycorpmail.net
66.170.137.132	A	securitycorpweb.com
66.170.137.132	A	www.securitycorpweb.com
66.170.137.140	A	hostmaster.seccorp.net
66.170.137.140	A	seccorp.net
66.170.137.147	A	thedummycompany.com
66.170.137.147	A	thor-atd.org
66.170.137.147	A	*.worldsid.org
66.170.137.148	A	humaneticsatd.com
66.170.137.148	A	www.dentonatd.com
66.170.137.156	A	frontone-automotive.com
66.170.137.156	A	humaneticsatd.com
66.170.137.156	A	www.dentonatd.com
66.170.137.164	PTR	webmail.bsdd.com
66.170.137.181	PTR	dns1.allegranet.com
66.170.137.183	PTR	isite.allegranet.com
66.170.137.189	PTR	mail.allegranet.com
66.170.137.190	PTR	mail.allegranet.com
66.170.138.98	A+PTR	mail.greatermediadetroit.com
66.170.138.98	A	gmdas.com
66.170.138.98	A	traffic.greatermediadetroit.com
66.170.139.20	PTR	mail.eastown.com
66.170.139.67	A+PTR	mail.parkwestgallery.com
66.170.139.67	A	barracuda.parkwestgallery.com
66.170.139.82	A	parkwest-kinkade.com
66.170.139.82	A	travelerwish.com
66.170.139.132	A	awakenbyqualitychoice.com
66.170.139.132	A	awaken-skincare.com
66.170.139.132	A	mail.qualitychoice.com
66.170.139.133	A	portal.fwkerr.com
66.170.139.136	A+PTR	smtp.fwkerr.com
66.170.139.136	A	mail.fwkerr.com
66.170.139.139	PTR	www.fwkerr.com
66.170.139.139	A	frankwkerr.com
66.170.139.141	A	www.novixus.com
66.170.139.147	A	mail.chaindrug.com
66.170.139.151	A	mail.sav-mor.com
66.170.139.153	PTR	vpn1.sav-mor.com
66.170.139.158	A	mail.chaindrug.com
66.170.139.158	A	*.chaindrug.com
66.170.139.161	A	lsmail01.datamaticstech.com
66.170.139.161	A	lv-barracuda1.datamaticstech.com
66.170.139.162	A+PTR	lsmail01.datamaticstech.com
66.170.139.162	A	mail.datamaticstech.com
66.170.139.162	A	lv-barracuda2.datamaticstech.com
66.170.139.168	PTR	pharmavitejobs.com
66.170.139.168	PTR	mail.saztecjobs.com
66.170.139.169	A+PTR	mail.saztec1.com
66.170.139.180	A	ereceivablemanager.com
66.170.139.181	A	lsmail01.datamaticstech.com
66.170.139.181	A	www.epayablesmanager.com
66.170.139.181	A	www.datamaticstech.com
66.170.139.188	A	ehealth-claim.com
66.170.139.188	A	www.epmdemo.com
66.170.140.5	PTR	messenger.westerville.org
66.170.140.20	A	ci.westerville.oh.us
66.170.141.119	A+PTR	mail.servsuite.com
66.170.141.119	PTR	mail.servsuite.net
66.170.141.119	PTR	mail.theservicepro.net
66.170.141.120	A	pestsoftware.net
66.170.141.124	A	servsuite.biz
66.170.141.124	A	servsuite.us
66.170.141.124	A	servsuite.info
66.170.143.196	A	mail2.corematerials.com
66.170.143.196	A	mail2.coremt.com