Robtex

Up: 70.20.0.0/18
Can't show all results, try to descend to a more specific CIDR
Down left: 70.20.0.0/20
Down right: 70.20.16.0/20
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
70.20.1.2	A+PTR	pool-70-20-1-2.prov.east.verizon.net
70.20.1.3	PTR	pool-70-20-1-3.prov.east.verizon.net
70.20.1.4	PTR	pool-70-20-1-4.prov.east.verizon.net
70.20.1.87	A	pool-70-20-1-87.prov.east.verizon.net
70.20.1.103	A	pool-70-20-1-103.prov.east.verizon.net
70.20.1.120	A	pool-70-20-1-120.prov.east.verizon.net
70.20.3.124	A	pool-70-20-3-124.prov.east.verizon.net
70.20.3.180	A	pool-70-20-3-180.prov.east.verizon.net
70.20.7.81	A	pool-70-20-7-81.prov.east.verizon.net
70.20.8.70	A	pool-70-20-8-70.prov.east.verizon.net
70.20.9.60	A	pool-70-20-9-60.prov.east.verizon.net
70.20.10.140	A	pool-70-20-10-140.prov.east.verizon.net
70.20.16.1	PTR	l100.bstnma-vfttp-158.verizon-gni.net
70.20.16.2	A+PTR	pool-70-20-16-2.bstnma.fios.verizon.net
70.20.16.4	A+PTR	pool-70-20-16-4.bstnma.fios.verizon.net
70.20.16.4	A	bguild.com
70.20.16.14	A	pool-70-20-16-14.bstnma.fios.verizon.net
70.20.16.33	PTR	pool-70-20-16-33.bstnma.fios.verizon.net
70.20.16.64	PTR	pool-70-20-16-64.bstnma.fios.verizon.net
70.20.16.103	A	parsecsystemsllc.com
70.20.16.128	PTR	pool-70-20-16-128.bstnma.fios.verizon.net
70.20.16.131	PTR	pool-70-20-16-131.bstnma.fios.verizon.net
70.20.16.145	A	pool-70-20-16-145.bstnma.fios.verizon.net
70.20.16.162	PTR	pool-70-20-16-162.bstnma.fios.verizon.net
70.20.16.163	PTR	pool-70-20-16-163.bstnma.fios.verizon.net
70.20.16.180	A	pool-70-20-16-180.bstnma.fios.verizon.net
70.20.16.193	PTR	pool-70-20-16-193.bstnma.fios.verizon.net
70.20.16.195	PTR	pool-70-20-16-195.bstnma.fios.verizon.net
70.20.17.34	PTR	pool-70-20-17-34.bstnma.fios.verizon.net
70.20.17.51	A	pool-70-20-17-51.bstnma.fios.verizon.net
70.20.17.76	A	pool-70-20-17-76.bstnma.fios.verizon.net
70.20.17.99	PTR	pool-70-20-17-99.bstnma.fios.verizon.net
70.20.17.129	PTR	pool-70-20-17-129.bstnma.fios.verizon.net
70.20.17.131	PTR	pool-70-20-17-131.bstnma.fios.verizon.net
70.20.17.160	PTR	pool-70-20-17-160.bstnma.fios.verizon.net
70.20.17.185	A	pool-70-20-17-185.bstnma.fios.verizon.net
70.20.17.192	PTR	pool-70-20-17-192.bstnma.fios.verizon.net
70.20.17.193	PTR	pool-70-20-17-193.bstnma.fios.verizon.net
70.20.17.200	A	pool-70-20-17-200.bstnma.fios.verizon.net
70.20.17.225	PTR	pool-70-20-17-225.bstnma.fios.verizon.net
70.20.17.227	PTR	pool-70-20-17-227.bstnma.fios.verizon.net
70.20.17.243	A	pool-70-20-17-243.bstnma.fios.verizon.net
70.20.17.250	A	pool-70-20-17-250.bstnma.fios.verizon.net
70.20.18.2	PTR	pool-70-20-18-2.bstnma.fios.verizon.net
70.20.18.3	PTR	pool-70-20-18-3.bstnma.fios.verizon.net
70.20.18.32	PTR	pool-70-20-18-32.bstnma.fios.verizon.net
70.20.18.35	PTR	pool-70-20-18-35.bstnma.fios.verizon.net
70.20.18.90	A	glebz.com
70.20.18.145	A	pool-70-20-18-145.bstnma.fios.verizon.net
70.20.18.162	PTR	pool-70-20-18-162.bstnma.fios.verizon.net
70.20.18.163	PTR	pool-70-20-18-163.bstnma.fios.verizon.net
70.20.18.170	A	mail.petcher.net
70.20.18.175	A	pool-70-20-18-175.bstnma.fios.verizon.net
70.20.18.190	A	pool-70-20-18-190.bstnma.fios.verizon.net
70.20.18.195	PTR	pool-70-20-18-195.bstnma.fios.verizon.net
70.20.18.226	PTR	pool-70-20-18-226.bstnma.fios.verizon.net
70.20.19.1	PTR	l100.bstnma-vfttp-60.verizon-gni.net
70.20.19.20	A	ftp.kortec.com
70.20.19.34	PTR	static-70-20-19-34.bstnma.fios.verizon.net
70.20.19.65	PTR	static-70-20-19-65.bstnma.fios.verizon.net
70.20.19.67	PTR	static-70-20-19-67.bstnma.fios.verizon.net
70.20.19.86	A	mail.elderservices.com
70.20.19.98	A+PTR	static-70-20-19-98.bstnma.fios.verizon.net
70.20.19.99	A+PTR	static-70-20-19-99.bstnma.fios.verizon.net
70.20.19.128	PTR	static-70-20-19-128.bstnma.fios.verizon.net
70.20.19.130	PTR	static-70-20-19-130.bstnma.fios.verizon.net
70.20.19.132	A	mcrsupport.com
70.20.19.132	A	www.mcrsupport.com
70.20.19.161	PTR	static-70-20-19-161.bstnma.fios.verizon.net
70.20.19.163	A+PTR	static-70-20-19-163.bstnma.fios.verizon.net
70.20.19.192	PTR	static-70-20-19-192.bstnma.fios.verizon.net
70.20.19.194	PTR	static-70-20-19-194.bstnma.fios.verizon.net
70.20.19.195	PTR	static-70-20-19-195.bstnma.fios.verizon.net
70.20.19.226	PTR	static-70-20-19-226.bstnma.fios.verizon.net
70.20.20.2	PTR	pool-70-20-20-2.bstnma.fios.verizon.net
70.20.20.49	A	hostmaster.sbaker.com
70.20.20.49	A	sbaker.com
70.20.20.49	A	*.sbaker.com
70.20.21.66	PTR	static-70-20-21-66.bstnma.fios.verizon.net
70.20.23.31	A	pool-70-20-23-31.bstnma.fios.verizon.net
70.20.23.134	A	dwbrite.com
70.20.24.24	A	pool-70-20-24-24.bstnma.fios.verizon.net
70.20.24.200	A	sifr.net
70.20.24.213	A	timmymorris.com
70.20.24.233	A	pool-70-20-24-233.bstnma.fios.verizon.net
70.20.25.10	A	promedllc2.com
70.20.25.28	A	affexion.net
70.20.25.29	A	keepus.org
70.20.25.29	A	mail.keepus.org
70.20.25.35	A	mail.usboston.com
70.20.25.35	A	mail.quantfunds.com
70.20.25.36	A	lincgw.quantfunds.com
70.20.25.44	A	learn.executivestrategymanager.com
70.20.25.106	A	www.gigavation.com
70.20.25.106	A	6dtech.com
70.20.25.106	A	gigavation.com
70.20.25.118	A	static-70-20-25-118.bstnma.fios.verizon.net
70.20.25.156	A	dns2.lincnet.org
70.20.25.156	A	dns.lincnet.org
70.20.25.156	A	dns1.lincnet.org
70.20.25.177	A	mail.gainsboro.com
70.20.25.189	A	mail.carrollschool.org
70.20.26.3	A+PTR	pool-70-20-26-3.bstnma.fios.verizon.net
70.20.26.3	A	juristechnicata.com
70.20.26.40	A	ns3.oarie.net
70.20.26.40	A	pool-70-20-26-40.bstnma.fios.verizon.net
70.20.26.164	A	beckyhockey.com
70.20.27.2	PTR	pool-70-20-27-2.bstnma.fios.verizon.net
70.20.27.201	A	zerorecursion.com
70.20.28.104	A	pool-70-20-28-104.bstnma.fios.verizon.net
70.20.28.194	PTR	pool-70-20-28-194.bstnma.fios.verizon.net
70.20.29.110	A	thepragers.com
70.20.29.110	A	thepragers.name
70.20.29.110	A	computer-upgrades-inc.com
70.20.29.178	A	smtp.soteira.net
70.20.29.189	A	storiesincommon.net
70.20.29.189	A	lifecapture.org
70.20.29.189	A	storiesincommon.org
70.20.29.219	A	static-70-20-29-219.bstnma.fios.verizon.net
70.20.29.226	PTR	ayup.limey.net
70.20.29.229	A	nolist1.limey.net
70.20.29.230	A	nolist2.limey.net