Robtex

Up: 69.163.64.0/18
Can't show all results, try to descend to a more specific CIDR
Down left: 69.163.96.0/20
Down right: 69.163.112.0/20
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
69.163.96.0	PTR	unknown.blyon.com
69.163.98.0	PTR	unknown.blyon.com
69.163.98.162	PTR	unknown.blyon.com
69.163.99.2	PTR	devnull.defense.net
69.163.99.32	PTR	devnull.defense.net
69.163.99.35	PTR	devnull.defense.net
69.163.99.65	PTR	devnull.defense.net
69.163.99.98	PTR	devnull.defense.net
69.163.99.99	PTR	devnull.defense.net
69.163.99.131	PTR	devnull.defense.net
69.163.99.163	PTR	devnull.defense.net
69.163.100.0	PTR	devnull.defense.net
69.163.100.12	A	tor.theshell.com
69.163.100.13	A	ylem.theshell.com
69.163.100.13	A	ns1.airwarriors.com
69.163.100.13	A	bigfig.net
69.163.100.33	PTR	devnull.lyonlabs.com
69.163.100.66	PTR	devnull.lyonlabs.com
69.163.100.67	PTR	devnull.lyonlabs.com
69.163.100.69	A	nullmx.doxx.net
69.163.100.92	A	droppln.com
69.163.100.93	A	lovelyjungle.com
69.163.100.96	PTR	m5.ziz1.labl.co
69.163.100.98	A+PTR	m7.ziz1.labl.co
69.163.100.98	A	www.packetheads.org
69.163.100.98	A	labl.co
69.163.100.130	PTR	devnull.lyonlabs.com
69.163.100.152	A	fossmr.com
69.163.100.152	A	mx.blyon.com
69.163.100.152	A	fossmr.org
69.163.100.162	PTR	devnull.lyonlabs.com
69.163.100.193	PTR	avalon.dragonflybsd.org
69.163.100.222	A	avalon.theshell.com
69.163.100.224	PTR	devnull.lyonlabs.com
69.163.100.253	A	ns1.theshell.com
69.163.101.2	PTR	devnull.defense.net
69.163.101.32	PTR	devnull.defense.net
69.163.101.97	PTR	devnull.defense.net
69.163.101.98	PTR	devnull.defense.net
69.163.101.162	PTR	devnull.defense.net
69.163.101.193	PTR	devnull.defense.net
69.163.102.0	PTR	unknown.blyon.com
69.163.103.32	PTR	unknown.blyon.com
69.163.103.96	PTR	unknown.blyon.com
69.163.104.0	PTR	unknown.blyon.com
69.163.104.64	PTR	unknown.blyon.com
69.163.106.162	PTR	unknown.blyon.com
69.163.107.65	PTR	unknown.blyon.com
69.163.115.0	PTR	unknown.blyon.com
69.163.118.129	PTR	unknown.blyon.com
69.163.119.194	PTR	unknown.blyon.com
69.163.120.14	A	mail1.bowmansinc.net
69.163.120.14	A	69-163-120-14-st.losaca.adelphia.net
69.163.120.146	A	69-163-120-146-st.losaca.adelphia.net
69.163.123.179	A	realinterviewdemo.com
69.163.124.3	PTR	unknown.blyon.com
69.163.125.0	PTR	unknown.blyon.com
69.163.126.162	PTR	unknown.blyon.com
69.163.126.194	PTR	unknown.blyon.com