Robtex

Up: 64.22.80.0/23
Can't show all results, try to descend to a more specific CIDR
Down left: 64.22.81.0/25
Down right: 64.22.81.128/25
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
64.22.81.2	A+PTR	archive1.atl.gahost.com
64.22.81.2	A	ns3.gahost.com
64.22.81.3	PTR	kvm1.atl.gahost.com
64.22.81.18	A	server1.ableengineering.com
64.22.81.34	PTR	server3.lwserver3.com
64.22.81.34	A	mail.listbyowneronmls.com
64.22.81.34	A	ns1.listbyowneronmls.com
64.22.81.43	PTR	csn1.chautara.co.uk
64.22.81.43	A	pscfriends.org
64.22.81.43	A	micahnetworkcommunity.org
64.22.81.44	A	ns2.chautara.co.uk
64.22.81.45	PTR	virtual01.verdevalley.com
64.22.81.45	A	ns6.verdevalley.com
64.22.81.50	A+PTR	server1.del-mart.com
64.22.81.50	A	www.del-mart.com
64.22.81.50	A	ns1.del-mart.com
64.22.81.51	PTR	hitplay.devicessor.com
64.22.81.51	A	ns2.del-mart.com
64.22.81.58	A+PTR	gabriel.noerr.net
64.22.81.58	A	experiencesanta.com
64.22.81.60	A	mail.thephotostudios.com
64.22.81.60	A	thenewphotostudioatsears.com
64.22.81.60	A	thephotostudioatsears.com
64.22.81.61	A	thenoerrprograms.com
64.22.81.61	A	noerrprograms.com
64.22.81.62	PTR	server1.noerrprograms.com
64.22.81.62	A	mail.noerr.net
64.22.81.62	A	noerr.net
64.22.81.67	A	dc-48d49ab7.inf.org
64.22.81.67	A	www.inf.org
64.22.81.68	A	chautara.co.uk
64.22.81.70	A	chautara.net
64.22.81.82	PTR	vps22.crowndns.com
64.22.81.82	A	sklfck.com
64.22.81.82	A	chaosrxoptics.com
64.22.81.90	PTR	shotgun.jesseshunting.com
64.22.81.90	A	mymobileunit.com
64.22.81.90	A	ns1.drscottstowers.com
64.22.81.91	PTR	www.subrosasoft.com
64.22.81.91	A	ns2.drscottstowers.com
64.22.81.98	A+PTR	inetsrv4.gahost.com
64.22.81.98	A	goaheadlaunch.me
64.22.81.98	A	www.leverdigital.com
64.22.81.99	A+PTR	inetsrv4-mta.gahost.com
64.22.81.99	A	ns4.ga1host.com
64.22.81.100	PTR	inetsrv4-mtab.gahost.com
64.22.81.101	A+PTR	inetsrv4-mtac.gahost.com
64.22.81.115	A	goldfishmedicalstaffing.com
64.22.81.194	PTR	ip194.64-22-81.atlnga.tim-burke.net
64.22.81.195	PTR	atlbox.tim-burke.net
64.22.81.197	PTR	ip-64-22-81-197.colo.atlanta1.avexport.net
64.22.81.198	PTR	ip-64-22-81-198.colo.atlanta1.avexport.net
64.22.81.211	PTR	cpc.yournewscan-results.net
64.22.81.225	PTR	mail.tehnounion.rs
64.22.81.228	PTR	mail4.ehlodelivery.com
64.22.81.228	A	clearchoiceproducts.com.au
64.22.81.229	PTR	mail5.ehlodelivery.com
64.22.81.233	PTR	mail9.ehlodelivery.com
64.22.81.234	A	mail.justimaginepublishing.com
64.22.81.235	PTR	mail1.ehlodelivery.net
64.22.81.237	PTR	mail3.ehlodelivery.net
64.22.81.238	A	*.everspeech.com
64.22.81.238	A	mail.everspeech.com
64.22.81.238	A	everspeech.com
64.22.81.241	PTR	mail7.ehlodelivery.net
64.22.81.242	PTR	mail.clasificadosmas.com
64.22.81.243	PTR	mail9.ehlodelivery.net
64.22.81.244	PTR	mail10.ehlodelivery.net
64.22.81.245	PTR	mail1.virtualdelivery.net
64.22.81.247	PTR	mail3.virtualdelivery.net
64.22.81.248	PTR	mail4.virtualdelivery.net
64.22.81.249	A+PTR	mail.shafferresearch.org
64.22.81.249	A	shafferresearch.net
64.22.81.249	A	mx01.shafferresearch.com
64.22.81.252	PTR	mail8.virtualdelivery.net
64.22.81.252	A	*.tnlabs.org
64.22.81.252	A	mail.tnlabs.org
64.22.81.253	PTR	mail9.virtualdelivery.net
64.22.81.254	PTR	mail10.virtualdelivery.net