Robtex

Up: 66.150.196.0/23
Can't show all results, try to descend to a more specific CIDR
Down left: 66.150.196.0/25
Down right: 66.150.196.128/25
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
66.150.196.1	A	vpn.myoutlookonline.com
66.150.196.30	A	exchange.bizland.com
66.150.196.31	A	exchange.domainhost.com
66.150.196.32	A	exchange.hostyoursite.com
66.150.196.33	A	exchange.accountsupport.com
66.150.196.34	A	exchange.ehost.com
66.150.196.35	A	exchange.hypermart.net
66.150.196.36	A	exchange.freeyellow.com
66.150.196.37	A	exchange.virtualave.net
66.150.196.38	A	exchange.usanethosting.com
66.150.196.39	A	exchange.xeran.com
66.150.196.40	A	exchange.entryhost.com
66.150.196.41	A	exchange.purehost.com
66.150.196.42	A	exchange.imoutdoorshosting.com
66.150.196.43	A	exchange.fatcow.com
66.150.196.44	A	exchange.networkshosting.com
66.150.196.45	A	exchange.bluedomino.com
66.150.196.46	A	exchange.hostcentric.com
66.150.196.47	A	exchange.readyhosting.com
66.150.196.48	A	exchange.powweb.com
66.150.196.52	A	exchangehosting.safesecureweb.com
66.150.196.65	A	exchasp.syssrc.com
66.150.196.70	A	mail.akorn.com
66.150.196.70	A	mail.versapharm.com
66.150.196.70	A	mail.akornindia.com
66.150.196.91	A	mail.frpinc.org
66.150.196.101	A	webmail.siia.net
66.150.196.106	A	hhlmpss.harte-hanks.com
66.150.196.112	A	owa.calumetphoto.com
66.150.196.115	A	mail.care.com
66.150.196.117	A	mymail.investorscapital.com
66.150.196.119	A	exchange2013.ipower.com
66.150.196.125	A	theoryx.net
66.150.196.129	A	owa.zmostechnology.com
66.150.196.162	A	mail.sfgfinance.com
66.150.196.173	A	mycp.groupspark.com
66.150.196.183	A	wellspringbiosciences.com
66.150.196.184	A	mail.cpequity.com
66.150.196.190	A	mail.econone.com
66.150.196.191	A	ccxh-llc.com
66.150.196.193	A	mail.schiltkamp.com
66.150.196.193	A	exch10.intinc.net
66.150.196.199	A	mail.accertify.com
66.150.196.211	A	mail.tgioa.com
66.150.196.231	A	mail.soundhealthmanagement.com
66.150.196.231	A	mail.pwrlaw.com
66.150.196.231	A	mail.lifeworx.com
66.150.196.232	A	mymail.123together.com
66.150.196.233	A	mail.denvercac.org
66.150.196.233	A	mymail.mindshiftonline.com
66.150.196.233	A	mail.saurageresearch.com