Robtex

Up: 208.83.64.0/20
Can't show all results, try to descend to a more specific CIDR
Down left: 208.83.64.0/22
Down right: 208.83.68.0/22
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
208.83.64.0	A+PTR	83-64-0.static.customer.clearrate.com
208.83.64.5	A+PTR	ns1.clearrate.com
208.83.64.5	A	rwhois.clearrate.com
208.83.64.5	A	mx1.clearrate.com
208.83.64.6	PTR	ns2.clearrate.com
208.83.64.8	A+PTR	mx4.clearrate.com
208.83.64.20	PTR	hosting.clearrate.com
208.83.64.20	A	clearate.biz
208.83.64.20	A	clearate.us
208.83.64.24	PTR	www1.clearrate.com
208.83.64.24	A	clearate.biz
208.83.64.24	A	clearate.us
208.83.64.28	PTR	icewarp1.clearrate.com
208.83.64.205	A	83-64-205.static.customer.clearrate.com
208.83.64.205	A	s1.brhmmimn.clearrate.com
208.83.65.3	PTR	83-65-3.static.customer.clearrate.com
208.83.65.74	A+PTR	83-65-74.static.customer.clearrate.com
208.83.65.93	A	83-65-93.static.customer.clearrate.com
208.83.65.134	A	mail.fellowshipchapel.org
208.83.65.172	A	83-65-172.static.customer.clearrate.com
208.83.65.185	A	83-65-185.static.customer.clearrate.com
208.83.66.2	PTR	challengemachinery.com
208.83.66.98	A+PTR	83-66-98.static.customer.clearrate.com
208.83.66.128	A+PTR	83-66-128.static.customer.clearrate.com
208.83.66.130	A+PTR	psyduck.mudkips.net
208.83.66.130	A	ns2.mudkips.net
208.83.66.131	A	snorlax.mudkips.net
208.83.66.146	PTR	83-66-146.static.customer.clearrate.com
208.83.66.146	A	mail.straith.org
208.83.66.201	A+PTR	83-66-201.static.customer.clearrate.com
208.83.66.238	A	mail2.kikuchiusa.com
208.83.66.238	A	mail2.wooryind.com
208.83.66.238	A	mail2.pacificprecision.net
208.83.67.131	A	noblecompanymail.com
208.83.67.132	A	mail.noblecompany.com
208.83.67.180	A	test1.test.htt-consult.com
208.83.67.193	A	gw.degc.org
208.83.67.200	A+PTR	smtphost.degc.org
208.83.67.227	A	mail.esd.org
208.83.67.245	A	ns1.rfc791.org
208.83.67.245	A	rfc791.org
208.83.67.245	A	mail.rfc791.org
208.83.68.10	A	mail.rwwarnerpc.com
208.83.68.82	PTR	83-68-82.static.customer.clearrate.com
208.83.68.82	A	a.royaloakrecycling.com
208.83.68.82	A	www.royaloakrecycling.com
208.83.69.1	A	83-69-1.static.customer.clearrate.com
208.83.69.5	A	83-69-5.static.customer.clearrate.com
208.83.69.9	PTR	83-69-9.static.customer.clearrate.com
208.83.69.21	A	83-69-21.static.customer.clearrate.com
208.83.69.26	A	83-69-26.static.customer.clearrate.com
208.83.69.31	A	83-69-31.static.customer.clearrate.com
208.83.69.35	PTR	ignignokt.mudkips.net
208.83.69.35	A	phonegod.net
208.83.69.35	A	troop1589.com
208.83.69.41	A	pachirisu-lo.mudkips.net
208.83.69.42	PTR	83-69-42.customer.clearrate.com
208.83.69.42	A	www.iprock.com
208.83.69.42	A	mi-telecom.org
208.83.69.50	A	vmware1-lo.mudkips.net
208.83.69.51	A	sentret.mudkips.net
208.83.69.52	A	83-69-52.static.customer.clearrate.com
208.83.69.59	A+PTR	metatron.darkhaven.net
208.83.69.59	A	darkhaven.net
208.83.69.59	A	ns.darkhaven.net
208.83.69.119	A	83-69-119.static.customer.clearrate.com
208.83.69.120	A	83-69-120.static.customer.clearrate.com
208.83.69.126	A	83-69-126.static.customer.clearrate.com
208.83.69.133	A	mux1.sfldmidi.clearrate.com
208.83.69.162	PTR	83-69-162.static.customer.clearrate.com
208.83.69.162	A	filter.animalneurology.com
208.83.69.165	A	83-69-165.static.customer.clearrate.com
208.83.69.167	A	83-69-167.static.customer.clearrate.com
208.83.69.177	A	83-69-177.static.customer.clearrate.com
208.83.69.180	A	83-69-180.static.customer.clearrate.com
208.83.69.194	A	83-69-194.static.customer.clearrate.com
208.83.69.199	A	83-69-199.static.customer.clearrate.com
208.83.69.202	A	83-69-202.static.customer.clearrate.com
208.83.69.207	A	83-69-207.static.customer.clearrate.com
208.83.69.208	A	83-69-208.static.customer.clearrate.com
208.83.69.224	A	83-69-224.static.customer.clearrate.com
208.83.69.227	A	mail.intlbancard.com
208.83.69.232	PTR	83-69-232.static.customer.clearrate.com
208.83.69.232	A	sf1.intlbancard.com
208.83.69.233	A	83-69-233.static.customer.clearrate.com
208.83.69.235	A	taubmanpayments.com
208.83.69.236	A	mallpayments.com
208.83.69.249	PTR	83-69-249.static.customer.clearrate.com
208.83.69.249	A	easypaynow.com
208.83.69.249	A	intlbancard.net
208.83.69.252	A	83-69-252.static.customer.clearrate.com
208.83.70.34	PTR	83-70-34.static.customer.clearrate.com
208.83.70.34	A	mail.drshousecalls.com
208.83.70.44	A	mail1.gibbstech.com
208.83.70.44	A	mail1.gibbshsa.com
208.83.70.74	A	mail.adamsplasticsinc.com
208.83.70.74	A	83-70-74.static.customer.clearrate.com
208.83.70.74	A	mail.goadams.com
208.83.70.104	PTR	83-70-104.static.customer.clearrate.com
208.83.70.107	PTR	83-70-107.static.customer.clearrate.com
208.83.70.108	A	83-70-108.static.customer.clearrate.com
208.83.70.170	PTR	mail.thermico.com
208.83.70.218	A	mx2.mmroinc.com
208.83.70.235	A	smtp1.troyautoglass.com
208.83.70.235	A	smtp.troyautoglass.com
208.83.71.110	A	83-71-110.static.customer.clearrate.com
208.83.71.138	A	mi-mtb.net
208.83.71.138	A	mi-mtb.org