Robtex

Up: 216.18.240.0/20
Can't show all results, try to descend to a more specific CIDR
Down left: 216.18.240.0/22
Down right: 216.18.244.0/22
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
216.18.240.10	A	plesk2.michwave.com
216.18.240.12	A	mail.redbaron3dofficialsite.com
216.18.240.13	A	ns2.michwave.com
216.18.240.13	A	grandtechinc.net
216.18.240.22	A	mail.greenwichvillageink.com
216.18.240.22	A	ns1.traxofthemind.com
216.18.240.22	A	ns2.greenwichvillageink.com
216.18.240.25	PTR	griffin.michwave.com
216.18.240.25	A	mail.digistat.com
216.18.240.25	A	comparative-mnemonics.net
216.18.240.66	PTR	pegasus.accuratenetworks.com
216.18.240.66	A	comparativemnemonics.net
216.18.240.66	A	mail.purplehunt.com
216.18.240.72	A+PTR	exchange.accuratenetworks.com
216.18.240.131	PTR	remote.grandtechinc.net
216.18.241.45	A	bjcrafts.com
216.18.241.45	A	*.spudgunlive.com
216.18.241.45	A	*.bjcrafts.com
216.18.242.34	PTR	corinthreformed.org
216.18.242.41	PTR	mail.doubleoincorporated.com
216.18.242.41	A	smtp.one-llc.biz
216.18.242.41	A	server.one-llc.biz
216.18.242.59	PTR	mail.kandh.com
216.18.242.59	A	mail.proscangpr.com
216.18.242.59	A	hostedemail.proscangpr.com
216.18.242.62	A	mx.omnitransport.com
216.18.242.89	A+PTR	mail.loaditinc.net
216.18.242.89	A	totaltrucktransportation.com
216.18.242.91	PTR	mail.applied-textiles.com
216.18.242.91	A	mail02.applied-textiles.com
216.18.242.104	PTR	mail.tepg.com
216.18.242.114	PTR	mail.rivertownbuilders.com
216.18.242.116	A	buckeye.dyndns.biz
216.18.243.26	PTR	mail.compenginc.com
216.18.243.35	A+PTR	mail.dewysmfg.com
216.18.243.51	PTR	rivervalleytitle.com
216.18.243.72	A	programassessment.org
216.18.244.19	A	jaredkearns.com
216.18.244.19	A	mail.jaredkearns.com
216.18.244.26	A+PTR	remote.guaranteesystem.com
216.18.244.36	A	no-bid.com
216.18.244.36	A	barracuda3.hmmediallc.com
216.18.244.36	A	barracuda3.baslerflightservice.com
216.18.244.59	A+PTR	mail.integritytree.com
216.18.244.77	A	ns2.gfsmindwire.com
216.18.244.210	A+PTR	mail.sightlinedisplay.com
216.18.244.226	A	h4z3br0s.com
216.18.245.23	A	unixed.info
216.18.245.27	A	ewebgineering.com
216.18.245.238	A	grmotion.com
216.18.247.25	A+PTR	zfs.michwave.com
216.18.247.25	A	emailsec1.zfsinc.com
216.18.247.25	A	emailsecurity.zfsinc.com