Robtex

Up: 64.16.0.0/18
Can't show all results, try to descend to a more specific CIDR
Down left: 64.16.0.0/20
Down right: 64.16.16.0/20
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
64.16.0.0	PTR	network-64-16-0.mtntel.net
64.16.0.99	PTR	ip-64-16-0-99.biz.sta.mtntel.net
64.16.1.162	PTR	ip-64-16-1-162.biz.sta.mtntel.net
64.16.1.193	PTR	ip-64-16-1-193.biz.sta.mtntel.net
64.16.2.0	PTR	network-64-16-2.mtntel.net
64.16.2.1	PTR	ip-64-16-2-1.biz.sta.mtntel.net
64.16.5.0	PTR	network-64-16-5.mtntel.net
64.16.5.11	A	frodo.co-ophosting.com
64.16.5.11	A	amarock.com
64.16.5.11	A	tristatewholesale.com
64.16.5.61	A	revbiodiesel.org
64.16.5.61	A	revbiodiesel.com
64.16.5.61	A	revbiofuel.org
64.16.5.64	PTR	ip-64-16-5-64.biz.sta.mtntel.net
64.16.5.97	PTR	ip-64-16-5-97.biz.sta.mtntel.net
64.16.5.131	PTR	ip-64-16-5-131.biz.sta.mtntel.net
64.16.5.194	PTR	ip-64-16-5-194.biz.sta.mtntel.net
64.16.7.187	A	mail.gblaw.com
64.16.10.74	A	mail2.dbcarchitectbuilder.com
64.16.10.123	A	keyconnection.com
64.16.10.125	A	theallproman.com
64.16.10.125	A	calltheallproman.com
64.16.10.125	A	allprohydrojetting.com
64.16.11.34	PTR	ip-64-16-11-34.biz.sta.mtntel.net
64.16.11.65	PTR	ip-64-16-11-65.biz.sta.mtntel.net
64.16.11.101	A	webtrac.imortgage.com
64.16.11.105	A	doctrac.imortgage.com
64.16.11.106	A	autodiscover.imortgage.com
64.16.11.106	A	mail.imortgagesucks.net
64.16.11.128	PTR	ip-64-16-11-128.biz.sta.mtntel.net
64.16.11.162	A	azmoves.net
64.16.11.162	A	azmarkettrends.com
64.16.11.163	PTR	ip-64-16-11-163.biz.sta.mtntel.net
64.16.11.195	PTR	ip-64-16-11-195.biz.sta.mtntel.net
64.16.11.235	A	tlsventures.com
64.16.12.98	PTR	ip-64-16-12-98.biz.sta.mtntel.net
64.16.12.98	A	vpn.iconcreativestudio.com
64.16.12.148	A	mail.j-com.com
64.16.12.148	A	ns1.j-com.com
64.16.12.149	A	top5bikedeals.com
64.16.12.150	A	klinikai.com
64.16.12.234	A	selfstoragealarms.com
64.16.12.234	A	securitywithoutlimits.com
64.16.12.234	A	storlogix.com
64.16.13.33	PTR	ip-64-16-13-33.biz.sta.mtntel.net
64.16.13.112	A	training.maei.ca
64.16.13.195	PTR	ip-64-16-13-195.biz.sta.mtntel.net
64.16.13.196	A	ess.dg.ca
64.16.13.199	A	dgsi.ca
64.16.13.199	A	en.dg.ca
64.16.14.1	PTR	ip-64-16-14-1.biz.sta.mtntel.net
64.16.14.3	PTR	ip-64-16-14-3.biz.sta.mtntel.net
64.16.14.33	PTR	ip-64-16-14-33.biz.sta.mtntel.net
64.16.14.34	PTR	ip-64-16-14-34.biz.sta.mtntel.net
64.16.14.64	PTR	ip-64-16-14-64.biz.sta.mtntel.net
64.16.14.65	PTR	ip-64-16-14-65.biz.sta.mtntel.net
64.16.14.97	PTR	ip-64-16-14-97.biz.sta.mtntel.net
64.16.14.130	PTR	ip-64-16-14-130.biz.sta.mtntel.net
64.16.14.131	PTR	ip-64-16-14-131.biz.sta.mtntel.net
64.16.14.192	PTR	ip-64-16-14-192.biz.sta.mtntel.net
64.16.14.211	A	mail1.dahnyogaonline.com
64.16.14.219	A	mail.saintbarnabas.org
64.16.15.34	PTR	ip-64-16-15-34.biz.sta.mtntel.net
64.16.16.26	A	mail.neiaw.com
64.16.16.151	A	mail.introtel.com
64.16.17.135	A	share.helmsbriscoe.com
64.16.17.137	A	hbmgr.com
64.16.17.151	A	company.helmsbriscoe.com
64.16.17.151	A	intranet.helmsbriscoe.com
64.16.17.196	A	icisolutions.com
64.16.18.20	A	mx1.websan.com
64.16.18.230	PTR	ip-64-16-18-230.biz.sta.mtntel.net
64.16.18.230	A	mail.azmoves.com
64.16.18.231	A+PTR	smtp2.azmoves.com
64.16.18.231	A	rniarizona.com
64.16.18.231	A	onetouchmarketingsuite.com
64.16.18.236	PTR	barracuda1.azmoves.com
64.16.18.237	PTR	barracuda2.azmoves.com
64.16.20.34	PTR	hs-law.com
64.16.20.224	PTR	mx01.westusa.com
64.16.22.0	PTR	network-64-16-22.mtntel.net
64.16.22.65	PTR	ip-64-16-22-65.biz.sta.mtntel.net
64.16.22.98	PTR	ip-64-16-22-98.biz.sta.mtntel.net
64.16.22.163	PTR	ip-64-16-22-163.biz.sta.mtntel.net
64.16.22.193	PTR	ip-64-16-22-193.biz.sta.mtntel.net
64.16.22.224	PTR	ip-64-16-22-224.biz.sta.mtntel.net
64.16.22.226	PTR	ip-64-16-22-226.biz.sta.mtntel.net
64.16.25.97	PTR	ip-64-16-25-97.biz.sta.mtntel.net
64.16.25.179	A	commportal.alluvioncommunications.com
64.16.25.228	A	mail.triangletruss.com
64.16.26.24	A	mail.rvamerica.net
64.16.26.35	PTR	ip-64-16-26-35.biz.sta.mtntel.net
64.16.26.131	PTR	ip-64-16-26-131.biz.sta.mtntel.net
64.16.26.161	PTR	ip-64-16-26-161.biz.sta.mtntel.net
64.16.26.193	PTR	ip-64-16-26-193.biz.sta.mtntel.net
64.16.27.1	PTR	dns2.websitemanagement.net
64.16.27.5	A	dns.rvamerica.net
64.16.27.5	A	dns2.rvamerica.net
64.16.27.5	A	websitemanagement.net
64.16.28.2	A+PTR	rad0.gilanet.net
64.16.28.22	A	mail1.gilarivertel.com
64.16.28.23	A	mail2.gilarivertel.com
64.16.30.35	PTR	www.grsg.com
64.16.30.99	PTR	ip-64-16-30-99.biz.sta.mtntel.net
64.16.30.99	A	gilariver.com
64.16.30.99	A	www.gilariver.com
64.16.30.100	A	griidd.com
64.16.30.101	A	pop.gilariver.com
64.16.30.194	PTR	ip-64-16-30-194.biz.sta.mtntel.net
64.16.30.196	A	mail.sacatonschools.org