Robtex

Up: 50.0.192.0/19
Can't show all results, try to descend to a more specific CIDR
Down left: 50.0.192.0/21
Down right: 50.0.200.0/21
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
50.0.192.0	PTR	50-0-192-0.dsl.dynamic.sonic.net
50.0.193.12	A	50-0-193-12.dsl.static.fusionbroadband.com
50.0.193.26	A	www.tsaiberspace.net
50.0.193.26	A	tsaiberspace.com
50.0.193.26	A	tsaiberspace.net
50.0.193.30	A	ovaltofu.org
50.0.193.43	A	parrotchat.net
50.0.193.43	A	berkeleychiropracticcenter.com
50.0.193.43	A	www.drlanett.com
50.0.193.61	A	mail2.dancingsnails.com
50.0.193.74	A	snoogans.org
50.0.193.74	A	50-0-193-74.dsl.static.fusionbroadband.com
50.0.193.89	A	mail.zotus.com
50.0.193.207	A	eryacode.net
50.0.193.207	A	50-0-193-207.dsl.static.fusionbroadband.com
50.0.193.207	A	50-0-193-207.dsl.static.sonic.net
50.0.193.209	A+PTR	slider.synthesizer.org
50.0.193.209	A	mail.synthesizer.org
50.0.193.209	A	synthesizer.org
50.0.193.210	PTR	fm.synthesizer.org
50.0.193.210	A	synthesizer.org
50.0.193.210	A	as-krew.com
50.0.193.211	PTR	50-0-193-211.dsl.static.fusionbroadband.com
50.0.194.0	PTR	50-0-194-0.static.sonic.net
50.0.194.10	A	venus.ringnebula.net
50.0.194.10	A	mail.mendodata.com
50.0.194.10	A	mail.jessicaschaeffer.com
50.0.194.20	A	www-02.ringnebula.net
50.0.195.145	PTR	50-0-195-145.dsl.dynamic.sonic.net
50.0.197.16	PTR	50-0-197-16.dsl.dynamic.sonic.net
50.0.197.65	PTR	50-0-197-65.dsl.dynamic.sonic.net
50.0.197.67	PTR	50-0-197-67.dsl.dynamic.sonic.net
50.0.197.98	PTR	50-0-197-98.dsl.dynamic.sonic.net
50.0.197.112	PTR	50-0-197-112.dsl.dynamic.sonic.net
50.0.197.128	PTR	50-0-197-128.dsl.dynamic.sonic.net
50.0.197.144	PTR	50-0-197-144.dsl.dynamic.sonic.net
50.0.197.146	PTR	50-0-197-146.dsl.dynamic.sonic.net
50.0.197.162	PTR	50-0-197-162.dsl.dynamic.sonic.net
50.0.197.163	PTR	50-0-197-163.dsl.dynamic.sonic.net
50.0.197.178	PTR	50-0-197-178.dsl.dynamic.sonic.net
50.0.197.192	PTR	50-0-197-192.dsl.dynamic.sonic.net
50.0.197.208	PTR	50-0-197-208.dsl.dynamic.sonic.net
50.0.197.210	PTR	50-0-197-210.dsl.dynamic.sonic.net
50.0.197.211	PTR	50-0-197-211.dsl.dynamic.sonic.net
50.0.197.225	PTR	50-0-197-225.dsl.dynamic.sonic.net
50.0.197.226	PTR	50-0-197-226.dsl.dynamic.sonic.net
50.0.197.243	PTR	50-0-197-243.dsl.dynamic.sonic.net
50.0.198.0	PTR	50-0-198-0.dedicated.static.sonic.net
50.0.198.4	A	mx1.svse.net
50.0.198.6	A	50-0-198-6.dedicated.static.sonic.net
50.0.198.6	A	mail.svse.net
50.0.198.7	A	smtp.svse.net
50.0.198.47	A	50-0-198-47.dedicated.static.sonic.net
50.0.198.124	A	50-0-198-124.dedicated.static.sonic.net
50.0.198.255	A	50-0-198-255.dedicated.static.sonic.net
50.0.199.0	PTR	50-0-199-0.dsl.dynamic.sonic.net
50.0.200.0	A+PTR	50-0-200-0.dedicated.static.sonic.net
50.0.201.0	PTR	50-0-201-0.dsl.dynamic.sonic.net
50.0.202.0	A+PTR	50-0-202-0.dedicated.static.sonic.net
50.0.202.16	PTR	50-0-202-16.dedicated.static.sonic.net
50.0.203.0	PTR	50-0-203-0.dsl.static.sonic.net
50.0.204.0	A+PTR	50-0-204-0.dsl.static.sonic.net
50.0.204.14	A	mail.testlabs.com
50.0.204.14	A	mail2.testlabs.com
50.0.204.16	PTR	caliban.lap-tech.com
50.0.204.16	A	puck.lap-tech.com
50.0.204.18	A+PTR	50-0-204-18.dsl.static.fusionbroadband.com
50.0.204.18	A	leather-artisan.com
50.0.204.18	A	sutterparkwest.com
50.0.204.62	A	grymling.conjury.org
50.0.204.158	A	mubunti.com
50.0.204.171	A	facingsf.com
50.0.204.171	A	ellielitzenberg.com
50.0.204.175	A	mail.advancedemployment.com
50.0.204.178	PTR	50-0-204-178.dsl.static.sonic.net
50.0.204.178	A	caleblavergne.com
50.0.204.178	A	openacc.es
50.0.204.197	A	mylocal1to1.com
50.0.204.209	A	mail.tongpham.com
50.0.204.236	A	mail.zang.com
50.0.204.236	A	ns1.zang.com
50.0.204.237	A	sarahshectman.com
50.0.204.252	A	webmail.amrind.com
50.0.204.252	A	mail.pjcc.org
50.0.204.252	A	ns5.pjcc.org
50.0.205.0	A+PTR	50-0-205-0.dsl.dynamic.sonic.net
50.0.205.34	PTR	50-0-205-34.dsl.dynamic.sonic.net
50.0.205.75	A	50-0-205-75.dsl.dynamic.sonic.net
50.0.205.76	A	50-0-205-76.dsl.dynamic.sonic.net
50.0.205.226	PTR	50-0-205-226.dsl.dynamic.sonic.net
50.0.205.237	A	alchemmy.net
50.0.206.0	A+PTR	50-0-206-0.dsl.dynamic.sonic.net
50.0.206.38	A	imagineanimalfarm.com
50.0.207.0	PTR	50-0-207-0.dsl.dynamic.sonic.net