Robtex

Up: 216.138.96.0/21
Can't show all results, try to descend to a more specific CIDR
Down left: 216.138.96.0/23
Down right: 216.138.98.0/23
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
216.138.96.82	PTR	unknown.tellicent.com
216.138.96.122	PTR	unknown.tellicent.com
216.138.96.126	PTR	unknown.tellicent.com
216.138.96.153	A	mail.awardsolutions.us
216.138.96.234	PTR	airband-216-138-96-234.airband.net
216.138.96.234	A	exchange.ppcnet.com
216.138.97.77	A	www.motl.com
216.138.97.99	PTR	mx2.multicam.com
216.138.97.118	A	mail.thgc.com
216.138.97.162	PTR	mail.earthautoshippers.com
216.138.97.196	PTR	hda2.hd-dfw.com
216.138.97.246	PTR	ns1.gtt.net
216.138.98.20	PTR	unsi-216-138-98-20.unsi.net
216.138.98.58	A	ceojpm.com
216.138.98.66	PTR	unsi-216-138-98-66.unsi.net
216.138.98.66	A	probasco.net
216.138.98.66	A	mail.probascodesign.com
216.138.98.67	A	mail.toolstax.com
216.138.98.74	PTR	mail.crosstexenergy.com
216.138.98.90	PTR	mail.combinedgroup.com
216.138.98.91	PTR	mail.combinedgroup.com
216.138.98.92	PTR	mail.combinedgroup.com
216.138.98.93	PTR	mail.combinedgroup.com
216.138.98.98	PTR	mail.combinedgroup.com
216.138.98.98	A	ns1.combinedgroup.com
216.138.98.99	PTR	mail.combinedgroup.com
216.138.98.100	PTR	mail.combinedgroup.com
216.138.98.101	PTR	mail.combinedgroup.com
216.138.98.101	A	realtimeexpress.com
216.138.98.101	A	www.realtimeexpress.com
216.138.98.102	PTR	mail.quantumsys.net
216.138.98.102	A	consumerportalexpress.com
216.138.98.102	A	handypersoninsurance.com
216.138.98.103	PTR	mail.combinedgroup.com
216.138.98.104	PTR	mail.combinedgroup.com
216.138.98.105	PTR	mail.combinedgroup.com
216.138.98.106	PTR	mail.combinedgroup.com
216.138.98.107	PTR	mail.combinedgroup.com
216.138.98.108	PTR	mail.combinedgroup.com
216.138.98.109	PTR	mail.combinedgroup.com
216.138.98.110	PTR	mail.combinedgroup.com
216.138.98.130	PTR	intercityhost.com
216.138.98.130	A	mail.htghost.com
216.138.98.132	A+PTR	intercityhost.com
216.138.98.132	A	ns2.intercityhost.com
216.138.98.134	PTR	weburway.com
216.138.98.154	PTR	mail.lakecap.com
216.138.98.154	A	exodus-capital.com
216.138.98.154	A	exoduscapitalpartners.info
216.138.98.156	A	instinktivity.com
216.138.98.156	A	meshdatanetworks.com
216.138.98.182	PTR	unsi-216-138-98-182.unsi.net
216.138.98.182	A	colginrecipes.com
216.138.98.182	A	colginmarinades.com
216.138.98.250	PTR	bbgunserver.bbgun.com
216.138.98.250	A	isabellelofquist.com
216.138.98.250	A	beautyshoptalk.com
216.138.99.1	PTR	unsi-216-138-99-1.unsi.net
216.138.99.4	PTR	unsi-216-138-99-4.unsi.net
216.138.99.7	PTR	unsi-216-138-99-7.unsi.net
216.138.99.25	PTR	unsi-216-138-99-25.unsi.net
216.138.99.26	PTR	unsi-216-138-99-26.unsi.net
216.138.99.28	PTR	unsi-216-138-99-28.unsi.net
216.138.99.30	PTR	unsi-216-138-99-30.unsi.net
216.138.99.39	PTR	unsi-216-138-99-39.unsi.net
216.138.99.49	PTR	unsi-216-138-99-49.unsi.net
216.138.99.51	PTR	unsi-216-138-99-51.unsi.net
216.138.99.133	PTR	unsi-216-138-99-133.unsi.net
216.138.99.138	PTR	unsi-216-138-99-138.unsi.net
216.138.99.145	PTR	unsi-216-138-99-145.unsi.net
216.138.99.166	PTR	airband-216-138-99-166.airband.net
216.138.99.166	A	msbic.org
216.138.99.193	PTR	unsi-216-138-99-193.unsi.net
216.138.99.201	PTR	unsi-216-138-99-201.unsi.net
216.138.99.202	PTR	unsi-216-138-99-202.unsi.net
216.138.99.211	PTR	unsi-216-138-99-211.unsi.net
216.138.99.218	PTR	unsi-216-138-99-218.unsi.net
216.138.99.226	PTR	endtime-dcsrv01.etintranet.com
216.138.99.226	A	etintranet.com
216.138.99.254	PTR	unsi-216-138-99-254.unsi.net