Robtex

Up: 50.0.0.0/19
Can't show all results, try to descend to a more specific CIDR
Down left: 50.0.16.0/21
Down right: 50.0.24.0/21
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
50.0.16.25	A	dietrickholdings.com
50.0.16.139	A	50-0-16-139.dsl.dynamic.sonic.net
50.0.16.188	A	bbbuk.com
50.0.16.188	A	50-0-16-188.dsl.dynamic.sonic.net
50.0.17.0	PTR	50-0-17-0.dsl.static.fusionbroadband.com
50.0.17.2	A	pvperformance.com
50.0.17.4	A	mx2.detati.com
50.0.17.4	A	mx2.cgrafx.com
50.0.17.9	A	rejuveneering.com
50.0.17.16	A+PTR	50-0-17-16.dsl.static.fusionbroadband.com
50.0.17.16	A	planessi.com
50.0.17.16	A	mail.thefudd.net
50.0.17.56	A	dns1.carlui.net
50.0.17.56	A	gate.carlui.net
50.0.17.56	A	mx1.carlui.net
50.0.17.57	A	dns2.carlui.net
50.0.17.72	A	edge.hillstonenet.com
50.0.17.201	A	mail.fmfa.com
50.0.17.201	A	*.fmfa.com
50.0.17.201	A	www.lvna.net
50.0.18.2	A	50-0-18-2.static.sonic.net
50.0.18.32	A	membrane.dnalounge.net
50.0.18.32	A	membrane.dnalounge.com
50.0.18.99	A	mx2.westernmessenger.com
50.0.18.99	A	mx.westernmessenger.com
50.0.18.99	A	mx.westernattorneyservices.com
50.0.18.113	PTR	50-0-18-113.dsl.static.sonic.net
50.0.18.121	A	rhyshughes.com
50.0.18.121	A	rhyshughes.net
50.0.18.121	A	dns1.rhyshughes.com
50.0.18.122	A	dns2.rhyshughes.com
50.0.18.144	PTR	50-0-18-144.dsl.static.sonic.net
50.0.18.144	A	filter3.cbengineers.com
50.0.18.153	A	50-0-18-153.dsl.static.sonic.net
50.0.18.164	A	zenhack.org
50.0.18.224	A+PTR	mtcc.com
50.0.18.224	A	ns.mtcc.com
50.0.18.252	A	b.ns.liquidground.com
50.0.19.2	A	e0.dslam.hywrca11.sonic.net
50.0.19.89	A	50-0-19-89.dedicated.static.sonic.net
50.0.19.90	A	50-0-19-90.dedicated.static.sonic.net
50.0.19.163	A+PTR	50-0-19-163.dedicated.static.sonic.net
50.0.19.163	A	50-0-19-163.static.sonic.net
50.0.20.0	A+PTR	50-0-20-0.dsl.dynamic.sonic.net
50.0.20.127	A	50-0-20-127.dsl.dynamic.sonic.net
50.0.20.234	A	50-0-20-234.dsl.dynamic.fusionbroadband.com
50.0.21.0	A	50-0-21-0.dsl.static.fusionbroadband.com
50.0.21.3	A	hamirani.net
50.0.21.243	PTR	50-0-21-243.dsl.static.sonic.net
50.0.22.19	A	shopsvc.com
50.0.22.99	A	50-0-22-99.dedicated.static.sonic.net
50.0.22.164	A	email.nohold.com
50.0.22.178	PTR	50-0-22-178.static.sonic.net
50.0.22.178	A	mail2.lenthor.com
50.0.22.180	A	mailserv.lenthor.com
50.0.22.180	A	milp.lenthor.com
50.0.24.2	A	reviosys.com
50.0.24.142	A	50-0-24-142.dsl.dynamic.sonic.net
50.0.25.2	A+PTR	mail.caddenhead.org
50.0.25.2	A	caddenhead.org
50.0.25.5	A	cramercentral.com
50.0.25.5	A	gollum.cramercentral.com
50.0.25.24	A	huey.ratogi.net
50.0.25.25	A	riley.ratogi.net
50.0.25.26	A	jebediah.ratogi.net
50.0.25.29	A	orinoco.ratogi.net
50.0.25.192	PTR	ns2.bizsystems.net
50.0.25.192	A	www.bzs.org
50.0.25.192	A	www.spamcannibal.org
50.0.25.193	PTR	ns0.bizsystems.net
50.0.25.194	PTR	remora.bizsystems.net
50.0.25.212	A	mail.caddenhead.org
50.0.25.227	A+PTR	50-0-25-227.dsl.static.fusionbroadband.com
50.0.25.231	A	50-0-25-231.dsl.static.sonic.net
50.0.25.235	A	g.lclogic.com
50.0.25.240	A+PTR	50-0-25-240.static.sonic.net
50.0.25.241	A+PTR	50-0-25-241.static.sonic.net
50.0.25.243	A	50-0-25-243.static.sonic.net
50.0.25.250	A	defiant.skynetusa.com
50.0.26.2	PTR	50-0-26-2.dsl.dynamic.fusionbroadband.com
50.0.26.2	A	50-0-26-2.dsl.dynamic.sonic.net
50.0.26.109	A	50-0-26-109.dsl.dynamic.sonic.net
50.0.26.132	A	sanjosedreamdinners.com
50.0.26.242	A+PTR	50-0-26-242.dsl.dynamic.fusionbroadband.com
50.0.27.2	PTR	50-0-27-2.dsl.static.fusionbroadband.com
50.0.27.2	A	50-0-27-2.dsl.static.sonic.net
50.0.27.16	A	wooftrap.org
50.0.27.29	A	50-0-27-29.dsl.static.sonic.net
50.0.27.112	A	50-0-27-112.dsl.static.sonic.net
50.0.27.200	A	50-0-27-200.dsl.static.sonic.net
50.0.27.204	A	50-0-27-204.dsl.static.sonic.net
50.0.27.229	A	terb.net
50.0.28.2	A	e0.dslam.cncrca01.sonic.net
50.0.28.18	A+PTR	mail.asmhq.com
50.0.28.66	PTR	50-0-28-66.dedicated.static.sonic.net
50.0.28.68	A	mail.svtribaltanf.org
50.0.30.2	A	50-0-30-2.dsl.dynamic.sonic.net
50.0.31.4	A	mail.schomaker.net
50.0.31.4	A	schomaker.net
50.0.31.6	A	redhorsecrm.com
50.0.31.31	A	50-0-31-31.dsl.static.fusionbroadband.com
50.0.31.49	A+PTR	50-0-31-49.dsl.static.fusionbroadband.com
50.0.31.224	PTR	nigiri.foogod.com
50.0.31.224	A	www.foogod.com
50.0.31.224	A	www.strappe.com
50.0.31.252	A	cottek.me
50.0.31.252	A	mail.cottek.me
50.0.31.252	A	ns1.cottek.me
50.0.31.253	A	mx.strappe.com