Robtex

Up: 66.51.144.0/20
Can't show all results, try to descend to a more specific CIDR
Down left: 66.51.152.0/22
Down right: 66.51.156.0/22
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
66.51.152.98	PTR	mmail.rctmi.com
66.51.152.112	PTR	static.unknown.123.net
66.51.152.114	A+PTR	madison.skidmorestudio.com
66.51.152.114	A	vpn.pmmco.com
66.51.152.117	A	digium.skidmorestudio.com
66.51.152.119	PTR	static.unknown.123.net
66.51.152.154	PTR	mail.countycivil.com
66.51.152.154	A	barrycountycivil.com
66.51.152.154	A	inghamcountycivil.com
66.51.153.48	A	mail3.mmsholdings.com
66.51.153.92	A+PTR	swis-dhcp-66-51-153-92.bloombb.net
66.51.153.201	A+PTR	swis-dhcp-66-51-153-201.bloombb.net
66.51.154.18	A+PTR	fig.mindcry.org
66.51.154.18	A	dajohi.com
66.51.154.18	A	ns2.mindcry.org
66.51.154.163	A	mail.miller-cpa.com
66.51.154.172	A	mail.ibcna.com
66.51.156.0	PTR	static.123.net
66.51.156.2	PTR	mail.citynets.com
66.51.156.6	A	stargate.systime.com
66.51.156.6	A	stargate2.systime.com
66.51.156.7	A	mail.systime.com
66.51.156.7	A	stalker.systime.com
66.51.156.12	A	commercetwp.com
66.51.156.12	A	www.jcarchery.com
66.51.156.12	A	jcarchery.com
66.51.156.16	A+PTR	barracuda.systime.com
66.51.156.18	A+PTR	barracuda2.systime.com
66.51.156.32	PTR	66-51-156-32.static.123.net
66.51.156.34	A+PTR	smtp.azox.net
66.51.156.42	A	66-51-156-42.static.123.net
66.51.156.61	A	66-51-156-61.static.123.net
66.51.156.66	PTR	66-51-156-66.static.123.net
66.51.156.66	A	mail2.hoegeman.com
66.51.156.66	A	mail2.lhsa.com
66.51.156.68	A	dnsweb.net
66.51.156.90	A	mail2.dnsweb.net
66.51.156.94	A	www.digitalsun.net
66.51.156.98	A+PTR	66-51-156-98.static.123.net
66.51.156.98	A	leveldecisions.net
66.51.156.98	A	rangolievents.com
66.51.156.99	PTR	vernier.netportfolio.com
66.51.156.104	A	directorsconsortium.com
66.51.156.104	A	oxfordchicago.com
66.51.156.104	A	directorsconsortium.net
66.51.156.130	A+PTR	tftp.123.net
66.51.156.131	A+PTR	voip-54-2.123.net
66.51.156.132	A	as2.123.net
66.51.156.134	A	net2.123.net
66.51.156.138	PTR	static.123.net
66.51.156.138	A	med2.123.net
66.51.156.162	PTR	ns3.botech.net
66.51.156.162	A	pathar.com
66.51.156.162	A	infomanager360.com
66.51.156.163	PTR	ns4.botech.net
66.51.156.166	A	mail.videovoice.com
66.51.156.177	PTR	my.botech.net
66.51.156.184	PTR	newman.almtech.net
66.51.156.185	PTR	ns3.almtech.net
66.51.156.186	PTR	newman.almtech.net
66.51.156.189	A	mail.videovoice.com
66.51.156.189	A	mail2.botech.net
66.51.156.190	A	messaging.botech.net
66.51.156.192	PTR	66-51-156-192.static.botech.net
66.51.156.196	A	nagios1.botech.net
66.51.156.205	A	nx01.botech.net
66.51.157.1	A	ns1.digitalhosting.net
66.51.157.1	A	ns1.tranztec.net
66.51.157.6	PTR	mail.tranztec.net
66.51.157.6	A	mail.riseaccelerator.com
66.51.157.6	A	mail.digitalhosting.net
66.51.157.7	PTR	mail.tranztec.net
66.51.157.36	A	www.digitalhosting.net
66.51.157.36	A	forums.tranztec.net
66.51.157.36	A	hostmaster.dogbuggy.net
66.51.157.56	A	transportationedi.com
66.51.157.56	A	truckedi.com
66.51.157.56	A	softwareforedi.com
66.51.157.66	A	impact-productsllc.com
66.51.157.67	A	www.transcorr.com
66.51.157.67	A	transcorr.com
66.51.158.182	PTR	mail.quickconnectusa.com
66.51.158.192	A	h192.voipmich.com
66.51.158.193	A	h193.voipmich.com
66.51.158.194	A	h194.voipmich.com
66.51.158.195	A	h195.voipmich.com
66.51.158.200	A	h200.voipmich.com
66.51.158.201	A+PTR	h201.voipmich.com
66.51.158.202	A	h202.voipmich.com
66.51.158.203	A	h203.voipmich.com
66.51.158.204	PTR	h204.voipmich.com
66.51.158.208	A	h208.voipmich.com
66.51.158.209	A	h209.voipmich.com
66.51.158.210	A	h210.voipmich.com
66.51.158.211	A	h211.voipmich.com
66.51.158.216	A	h216.voipmich.com
66.51.158.217	A	h217.voipmich.com
66.51.158.218	A+PTR	h218.voipmich.com
66.51.158.219	A	h219.voipmich.com
66.51.158.224	A+PTR	h224.voipmich.com
66.51.158.225	A	h225.voipmich.com
66.51.158.226	A+PTR	h226.voipmich.com
66.51.158.227	A	h227.voipmich.com
66.51.158.232	A	h232.voipmich.com
66.51.158.233	A	h233.voipmich.com
66.51.158.234	A+PTR	h234.voipmich.com
66.51.158.235	A	h235.voipmich.com
66.51.158.240	A+PTR	h240.voipmich.com
66.51.158.241	A+PTR	h241.voipmich.com
66.51.158.242	A	h242.voipmich.com
66.51.158.243	A+PTR	h243.voipmich.com
66.51.158.248	A+PTR	h248.voipmich.com
66.51.158.249	A	h249.voipmich.com
66.51.158.250	A	h250.voipmich.com
66.51.158.251	A	h251.voipmich.com
66.51.159.10	PTR	fire.emsix.com
66.51.159.10	A	intlbancard.com
66.51.159.10	A	www.intlbancard.com
66.51.159.20	A	propertypayments.com
66.51.159.30	A	fvsbank-now.com
66.51.159.30	A	downrivercumerchant.com
66.51.159.30	A	www.propertypayments.com
66.51.159.125	A	mail.heritagebancardservices.com
66.51.159.125	A	sf1.intlbancard.com
66.51.159.207	A	mail.firstpreferred.com
66.51.159.207	A	mail.mimutual.com
66.51.159.207	A	mail.michiganmutual.com
66.51.159.209	A	mail.mcteviallc.com
66.51.159.210	A	mail.creativecapitalllc.us
66.51.159.211	PTR	mcteviarealestate.com
66.51.159.211	A	citronmail.com
66.51.159.212	A+PTR	jbusch.com
66.51.159.216	A	mail.priorityappraisalusa.com
66.51.159.222	A	michiganmutual.com
66.51.159.222	A	www.michiganmutual.com
66.51.159.222	A	home.michiganmutual.com
66.51.159.226	A	ns1.mcquil.com
66.51.159.226	A	ns1.avairis.com
66.51.159.227	A	avairis.com
66.51.159.227	A	www.avairis.com
66.51.159.246	A	mail.affinitygroupcu.org