Robtex

Up: 67.53.248.0/21
Can't show all results, try to descend to a more specific CIDR
Down left: 67.53.252.0/23
Down right: 67.53.254.0/23
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
67.53.252.76	A+PTR	rrcs-67-53-252-76.west.biz.rr.com
67.53.252.76	A	ns1.goodlandsecurity.com
67.53.253.65	A+PTR	rrcs-67-53-253-65.west.biz.rr.com
67.53.253.128	PTR	rrcs-67-53-253-128.west.biz.rr.com
67.53.253.128	A	mythicnetworks.com
67.53.254.18	PTR	mail.nu-vu.com
67.53.254.19	PTR	nu-vu.com
67.53.254.20	PTR	nu-vu.com
67.53.254.21	PTR	nu-vu.com
67.53.254.22	PTR	nu-vu.com
67.53.254.58	A	mail.darboyfamilychiropractic.com
67.53.254.62	A	mail.gordonlenzinsurance.com
67.53.254.75	A+PTR	mail.badgerplug.com
67.53.254.75	A	mail.badgerplug.net
67.53.254.98	PTR	exchange.depere.calawton.com
67.53.254.98	A	mail.calawton.com
67.53.254.152	PTR	is-mail.ci.green-bay.wi.us
67.53.254.162	A+PTR	rrcs-67-53-254-162.west.biz.rr.com
67.53.254.162	A	www.castlesales.net
67.53.254.162	A	castlesales.net
67.53.254.182	PTR	rrcs-67-53-254-182.west.biz.rr.com
67.53.254.182	A	paulaslow.com
67.53.254.189	PTR	rrcs-67-53-254-189.west.biz.rr.com
67.53.254.189	A	www.rocketplane.com
67.53.254.189	A	spaceed.org
67.53.254.196	A+PTR	mail.baummachine.com
67.53.254.196	A	*.baummachine.com
67.53.254.197	PTR	rrcs-67-53-254-197.west.biz.rr.com
67.53.254.197	A	spam.baummachine.com
67.53.254.210	PTR	statshost.net
67.53.254.210	A	mail.ddsi.ws
67.53.254.210	A	ddsi.ws
67.53.254.212	A	precisionpoultry.com
67.53.254.222	PTR	home.leibold.com
67.53.254.222	A	mail.leibold.com
67.53.254.226	A+PTR	mail.gerberslaw.com
67.53.254.226	A	lan.gerberslaw.com
67.53.254.234	PTR	jonessign.com
67.53.255.8	A+PTR	rrcs-67-53-255-8.west.biz.rr.com
67.53.255.10	A+PTR	rrcs-67-53-255-10.west.biz.rr.com
67.53.255.11	A+PTR	rrcs-67-53-255-11.west.biz.rr.com
67.53.255.12	A+PTR	rrcs-67-53-255-12.west.biz.rr.com
67.53.255.15	A+PTR	rrcs-67-53-255-15.west.biz.rr.com
67.53.255.21	A+PTR	rrcs-67-53-255-21.west.biz.rr.com
67.53.255.23	A+PTR	rrcs-67-53-255-23.west.biz.rr.com
67.53.255.32	A+PTR	rrcs-67-53-255-32.west.biz.rr.com
67.53.255.33	A+PTR	rrcs-67-53-255-33.west.biz.rr.com
67.53.255.35	A+PTR	rrcs-67-53-255-35.west.biz.rr.com
67.53.255.36	A+PTR	rrcs-67-53-255-36.west.biz.rr.com
67.53.255.37	A+PTR	rrcs-67-53-255-37.west.biz.rr.com
67.53.255.39	A+PTR	rrcs-67-53-255-39.west.biz.rr.com
67.53.255.40	A+PTR	rrcs-67-53-255-40.west.biz.rr.com
67.53.255.43	A+PTR	rrcs-67-53-255-43.west.biz.rr.com
67.53.255.49	A+PTR	rrcs-67-53-255-49.west.biz.rr.com
67.53.255.50	A	mail.dandminteriors.com
67.53.255.51	A+PTR	rrcs-67-53-255-51.west.biz.rr.com
67.53.255.56	A+PTR	rrcs-67-53-255-56.west.biz.rr.com
67.53.255.58	A+PTR	mail.master-fleet.com
67.53.255.58	A	master-fleet.com
67.53.255.58	A	mail.masterfleet.com
67.53.255.59	PTR	rrcs-67-53-255-59.west.biz.rr.com
67.53.255.62	A+PTR	rrcs-67-53-255-62.west.biz.rr.com
67.53.255.68	PTR	rrcs-67-53-255-68.west.biz.rr.com
67.53.255.69	A+PTR	rrcs-67-53-255-69.west.biz.rr.com
67.53.255.74	A	mail.actionheating.net
67.53.255.76	A+PTR	rrcs-67-53-255-76.west.biz.rr.com
67.53.255.78	A+PTR	rrcs-67-53-255-78.west.biz.rr.com
67.53.255.80	A+PTR	rrcs-67-53-255-80.west.biz.rr.com
67.53.255.81	A+PTR	rrcs-67-53-255-81.west.biz.rr.com
67.53.255.83	A+PTR	rrcs-67-53-255-83.west.biz.rr.com
67.53.255.88	A+PTR	rrcs-67-53-255-88.west.biz.rr.com
67.53.255.93	A+PTR	rrcs-67-53-255-93.west.biz.rr.com
67.53.255.94	A+PTR	rrcs-67-53-255-94.west.biz.rr.com
67.53.255.95	A+PTR	rrcs-67-53-255-95.west.biz.rr.com
67.53.255.100	PTR	mail.combinedlocks.org
67.53.255.103	A+PTR	rrcs-67-53-255-103.west.biz.rr.com
67.53.255.114	A	vpn.pdqinc.com
67.53.255.115	A	mail.pdqinc.com
67.53.255.116	A+PTR	server17.pdqinc.com
67.53.255.117	A+PTR	rrcs-67-53-255-117.west.biz.rr.com
67.53.255.120	A	owa.pdqinc.com
67.53.255.122	A+PTR	rrcs-67-53-255-122.west.biz.rr.com
67.53.255.129	A+PTR	rrcs-67-53-255-129.west.biz.rr.com
67.53.255.132	A+PTR	rrcs-67-53-255-132.west.biz.rr.com
67.53.255.138	A+PTR	rrcs-67-53-255-138.west.biz.rr.com
67.53.255.147	A+PTR	rrcs-67-53-255-147.west.biz.rr.com
67.53.255.152	A+PTR	rrcs-67-53-255-152.west.biz.rr.com
67.53.255.156	A+PTR	rrcs-67-53-255-156.west.biz.rr.com
67.53.255.157	PTR	rrcs-67-53-255-157.west.biz.rr.com
67.53.255.160	A+PTR	rrcs-67-53-255-160.west.biz.rr.com
67.53.255.162	PTR	rrcs-67-53-255-162.west.biz.rr.com
67.53.255.162	A	mail.themailhaus.com
67.53.255.163	A+PTR	rrcs-67-53-255-163.west.biz.rr.com
67.53.255.164	PTR	rrcs-67-53-255-164.west.biz.rr.com
67.53.255.164	A	mail2.themailhaus.com
67.53.255.164	A	mx1.themailhaus.com
67.53.255.170	PTR	mail.gbdioc.org
67.53.255.173	A+PTR	rrcs-67-53-255-173.west.biz.rr.com
67.53.255.179	A+PTR	rrcs-67-53-255-179.west.biz.rr.com
67.53.255.182	A+PTR	rrcs-67-53-255-182.west.biz.rr.com
67.53.255.190	A+PTR	rrcs-67-53-255-190.west.biz.rr.com
67.53.255.191	A+PTR	rrcs-67-53-255-191.west.biz.rr.com
67.53.255.193	A+PTR	rrcs-67-53-255-193.west.biz.rr.com
67.53.255.194	A+PTR	rrcs-67-53-255-194.west.biz.rr.com
67.53.255.200	A+PTR	rrcs-67-53-255-200.west.biz.rr.com
67.53.255.211	PTR	rrcs-67-53-255-211.west.biz.rr.com
67.53.255.212	A+PTR	rrcs-67-53-255-212.west.biz.rr.com
67.53.255.213	A+PTR	rrcs-67-53-255-213.west.biz.rr.com
67.53.255.216	A+PTR	rrcs-67-53-255-216.west.biz.rr.com
67.53.255.216	A	prtg02.rennesgroup.com
67.53.255.218	A+PTR	rrcs-67-53-255-218.west.biz.rr.com
67.53.255.221	A+PTR	rrcs-67-53-255-221.west.biz.rr.com
67.53.255.222	A+PTR	rrcs-67-53-255-222.west.biz.rr.com
67.53.255.226	PTR	mail.vansconstruction.com
67.53.255.233	A+PTR	rrcs-67-53-255-233.west.biz.rr.com
67.53.255.238	A+PTR	mail.grandyassociates.com
67.53.255.241	A+PTR	rrcs-67-53-255-241.west.biz.rr.com
67.53.255.246	A	mail.northfieldcorp.com
67.53.255.250	A	mail.wisretirement.com
67.53.255.254	A+PTR	rrcs-67-53-255-254.west.biz.rr.com
67.53.255.255	PTR	rrcs-67-53-255-255.west.biz.rr.com