Robtex

Up: 50.0.128.0/19
Can't show all results, try to descend to a more specific CIDR
Down left: 50.0.128.0/21
Down right: 50.0.136.0/21
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
50.0.128.0	PTR	50-0-128-0.dsl.dynamic.fusionbroadband.com
50.0.128.1	A+PTR	50-0-128-1.dsl.dynamic.fusionbroadband.com
50.0.128.2	A+PTR	50-0-128-2.dsl.dynamic.fusionbroadband.com
50.0.128.39	A	50-0-128-39.dsl.dynamic.fusionbroadband.com
50.0.128.66	PTR	50-0-128-66.dsl.dynamic.sonic.net
50.0.128.104	A	50-0-128-104.dsl.dynamic.fusionbroadband.com
50.0.128.104	A	macgillivray.ca
50.0.128.126	A	50-0-128-126.dsl.dynamic.sonic.net
50.0.128.168	A	50-0-128-168.dsl.dynamic.fusionbroadband.com
50.0.128.168	A	50-0-128-168.dsl.dynamic.sonic.net
50.0.128.195	A+PTR	50-0-128-195.dsl.dynamic.fusionbroadband.com
50.0.129.40	A	mail.franktex.com
50.0.129.40	A	ns02.franktex.com
50.0.129.40	A	www.franktex.com
50.0.129.45	A	ns01.franktex.com
50.0.129.98	PTR	50-0-129-98.dsl.dynamic.sonic.net
50.0.129.195	A	smtp.eatonassoc.com
50.0.129.219	A	*.eatonassoc.com
50.0.129.219	A	smtp2.eatonassoc.com
50.0.129.222	A	eandacables.com
50.0.133.4	A	ns.volpe.com
50.0.133.4	A	new.volpe.com
50.0.133.4	A	rosso.volpe.com
50.0.133.16	A+PTR	garage.uun.org
50.0.133.16	A	garage4.uun.org
50.0.133.23	A	nat.uun.org
50.0.133.48	PTR	50-0-133-48.dsl.static.sonic.net
50.0.133.48	A	porta.meatclown.com
50.0.133.63	A	betweeno.com
50.0.133.63	A	rodriguez.orgo.org
50.0.133.97	A	hippiesoft.com
50.0.133.97	A	mail.hippiesoft.com
50.0.133.98	A	spiring.org
50.0.133.142	A	beer.meatandbeer.com
50.0.133.142	A	vanoncini.net
50.0.133.142	A	meatandbeer.com
50.0.133.180	A	raubitschek.org
50.0.133.180	A	fourthwheel.com
50.0.133.180	A	4thwheel.com
50.0.133.220	A	somaloft.net
50.0.133.251	A	multiple.generalthings.com
50.0.133.251	A	foundpork.com
50.0.134.98	PTR	50-0-134-98.dedicated.static.sonic.net
50.0.134.98	A	mail.pacificwaterfront.com
50.0.135.20	A	mail.v2consulting.com
50.0.135.27	A	mail.mindfulmommies.com
50.0.135.27	A	mail.holodisplays.com
50.0.135.27	A	email.holodisplays.com
50.0.135.34	PTR	50-0-135-34.dsl.dynamic.sonic.net
50.0.135.226	A+PTR	spamcan.vblaw.com
50.0.135.226	A	mail.vblaw.com
50.0.136.0	PTR	50-0-136-0.dsl.dynamic.sonic.net
50.0.136.36	A	renko.org
50.0.136.36	A	*.renko.org
50.0.136.36	A	50-0-136-36.dsl.dynamic.fusionbroadband.com
50.0.136.49	PTR	50-0-136-49.dsl.dynamic.sonic.net
50.0.136.81	PTR	50-0-136-81.dsl.dynamic.fusionbroadband.com
50.0.136.106	A	50-0-136-106.dsl.dynamic.sonic.net
50.0.136.106	A	50-0-136-106.dsl.dynamic.fusionbroadband.com
50.0.136.194	A+PTR	50-0-136-194.dsl.dynamic.fusionbroadband.com
50.0.136.225	PTR	50-0-136-225.dsl.dynamic.sonic.net
50.0.137.0	PTR	50-0-137-0.dedicated.static.sonic.net
50.0.137.16	A+PTR	50-0-137-16.dedicated.static.sonic.net
50.0.137.23	A	50-0-137-23.dedicated.static.sonic.net
50.0.137.25	A	50-0-137-25.dedicated.static.sonic.net
50.0.137.28	A	50-0-137-28.dedicated.static.sonic.net
50.0.137.50	PTR	50-0-137-50.dsl.dynamic.sonic.net
50.0.137.72	A	50-0-137-72.dedicated.static.sonic.net
50.0.137.74	A	50-0-137-74.dedicated.static.sonic.net
50.0.137.80	A+PTR	50-0-137-80.dedicated.static.sonic.net
50.0.137.81	A+PTR	50-0-137-81.dedicated.static.sonic.net
50.0.137.82	A+PTR	50-0-137-82.dedicated.static.sonic.net
50.0.137.83	PTR	50-0-137-83.dedicated.static.sonic.net
50.0.137.83	A	mail3.olyclub.com
50.0.137.101	A	50-0-137-101.dedicated.static.sonic.net
50.0.137.103	A	50-0-137-103.dedicated.static.sonic.net
50.0.137.108	A	50-0-137-108.dedicated.static.sonic.net
50.0.137.116	A	50-0-137-116.dedicated.static.sonic.net
50.0.137.118	A	50-0-137-118.dedicated.static.sonic.net
50.0.137.120	A	50-0-137-120.dedicated.static.sonic.net
50.0.137.122	A	50-0-137-122.dedicated.static.sonic.net
50.0.137.131	A+PTR	50-0-137-131.dedicated.static.sonic.net
50.0.137.135	A	50-0-137-135.dedicated.static.sonic.net
50.0.137.140	A	50-0-137-140.dedicated.static.sonic.net
50.0.137.142	A	50-0-137-142.dedicated.static.sonic.net
50.0.137.144	PTR	50-0-137-144.dsl.dynamic.sonic.net
50.0.137.156	A	50-0-137-156.dedicated.static.sonic.net
50.0.137.160	PTR	50-0-137-160.dsl.dynamic.sonic.net
50.0.137.162	PTR	50-0-137-162.dsl.dynamic.sonic.net
50.0.137.177	PTR	50-0-137-177.dsl.dynamic.sonic.net
50.0.137.179	PTR	50-0-137-179.dsl.dynamic.sonic.net
50.0.137.204	A	50-0-137-204.dedicated.static.sonic.net
50.0.137.207	A	50-0-137-207.dedicated.static.sonic.net
50.0.137.209	PTR	50-0-137-209.dsl.dynamic.sonic.net
50.0.137.210	PTR	50-0-137-210.dsl.dynamic.sonic.net
50.0.137.227	A+PTR	50-0-137-227.dedicated.static.sonic.net
50.0.137.228	A	50-0-137-228.dedicated.static.sonic.net
50.0.137.231	A	50-0-137-231.dedicated.static.sonic.net
50.0.137.234	A	50-0-137-234.dedicated.static.sonic.net
50.0.138.188	A	50-0-138-188.dsl.dynamic.fusionbroadband.com
50.0.138.240	A	50-0-138-240.dsl.dynamic.fusionbroadband.com
50.0.139.16	PTR	50-0-139-16.dsl.dynamic.sonic.net
50.0.140.0	PTR	50-0-140-0.dsl.dynamic.sonic.net
50.0.140.231	A	mail2.skootskyder.com
50.0.140.232	A	bigdaylightlofts.com
50.0.140.232	A	daylightlofts.com
50.0.140.232	A	goodharbormotel.com
50.0.141.64	PTR	50-0-141-64.dsl.dynamic.sonic.net
50.0.142.10	A	50-0-142-10.dsl.dynamic.sonic.net
50.0.142.128	PTR	50-0-142-128.dsl.dynamic.sonic.net
50.0.142.128	A	fastcatalyst.net
50.0.142.155	A	50-0-142-155.dsl.dynamic.fusionbroadband.com
50.0.142.224	PTR	50-0-142-224.dsl.dynamic.sonic.net
50.0.143.16	PTR	50-0-143-16.dsl.static.sonic.net
50.0.143.82	PTR	50-0-143-82.dsl.static.sonic.net
50.0.143.131	A	betty.rasputinmusic.com
50.0.143.133	A	veronica.rasputinmusic.com
50.0.143.135	A	splinter.rasputinmusic.com
50.0.143.139	A	rasputinsmusic.com
50.0.143.149	A	river.rasputinmusic.com