Robtex

Up: 50.20.0.0/18
Can't show all results, try to descend to a more specific CIDR
Down left: 50.20.0.0/20
Down right: 50.20.16.0/20
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
50.20.0.20	A+PTR	50-20-0-20.customerip.birch.net
50.20.0.122	A	mail.martensonlaw.com
50.20.0.188	A+PTR	mail.theatlantainternists.com
50.20.0.188	A+PTR	50-20-0-188.customerip.birch.net
50.20.0.188	A	theatlantainternists.com
50.20.0.195	A	mail.bennettgraphics.com
50.20.0.195	A	mxtemporary.bennettgraphics.com
50.20.0.226	PTR	smtp.tbwarehouse.com
50.20.0.226	A	tbwarehouse.com
50.20.0.228	A+PTR	50-20-0-228.customerip.birch.net
50.20.0.228	A	mytextbookwarehouse.com
50.20.1.18	A	mail.bbzksfund.com
50.20.1.18	A	mail.atlantacapitalholdingsprivatebank.com
50.20.1.18	A	mail.atlcapitalholdings.com
50.20.1.42	PTR	50-20-1-42.customerip.birch.net
50.20.1.195	A+PTR	mainserver.iwfatlanta.com
50.20.1.195	A	remote.iwfatlanta.com
50.20.1.196	A+PTR	50-20-1-196.customerip.birch.net
50.20.2.18	A+PTR	mail.architecturalbrass.com
50.20.2.18	A	mail.mdeintl.com
50.20.2.19	A	smtp.architecturalbrass.com
50.20.2.20	PTR	50-20-2-20.customerip.birch.net
50.20.2.20	A	mdeintl.info
50.20.2.126	A+PTR	50-20-2-126.customerip.birch.net
50.20.2.126	A	mail.vnivacations.com
50.20.2.126	A	mail.vacationnetworkinc.com
50.20.2.131	A+PTR	50-20-2-131.customerip.birch.net
50.20.2.131	A	manage.1usm.net
50.20.2.131	A	manage.sobonetworks.com
50.20.2.137	PTR	50-20-2-137.customerip.birch.net
50.20.2.138	PTR	50-20-2-138.customerip.birch.net
50.20.3.35	A	mail.criatlanta.com
50.20.3.170	PTR	mail.lumaenergy.com
50.20.4.20	PTR	mail.procheminc.com
50.20.4.20	A+PTR	50-20-4-20.customerip.birch.net
50.20.4.202	A	mail.louisblusk.com
50.20.5.40	A	www.deposit2day.com
50.20.5.60	A+PTR	50-20-5-60.customerip.birch.net
50.20.5.60	A	vmsonlinefi.com
50.20.5.83	A	unionbank.deposit2day.com
50.20.5.100	PTR	50-20-5-100.customerip.birch.net
50.20.5.244	A	toland-mizell.com
50.20.6.42	A	owa.atlanticchemical.com
50.20.7.58	A+PTR	50-20-7-58.customerip.birch.net
50.20.7.58	A	remote.cssbrokers.com
50.20.7.74	A+PTR	50-20-7-74.customerip.birch.net
50.20.8.3	A+PTR	50-20-8-3.customerip.birch.net
50.20.8.187	A+PTR	50-20-8-187.customerip.birch.net
50.20.8.187	A	mail.metrovaluationservices.com
50.20.9.58	A	mail.airrite.com
50.20.9.83	A+PTR	50-20-9-83.customerip.birch.net
50.20.9.83	A	ictechnical.net
50.20.9.84	A+PTR	50-20-9-84.customerip.birch.net
50.20.9.84	A	mail.ictechnical.net
50.20.9.202	A+PTR	50-20-9-202.customerip.birch.net
50.20.10.22	A+PTR	50-20-10-22.customerip.birch.net
50.20.10.195	PTR	50-20-10-195.customerip.birch.net
50.20.10.195	A	smtp.pinfs.com
50.20.10.195	A	mail.pinfs.com
50.20.11.2	A+PTR	50-20-11-2.customerip.birch.net
50.20.12.11	A+PTR	50-20-12-11.customerip.birch.net
50.20.12.11	A	www.macgregorassoc.com
50.20.12.42	PTR	50-20-12-42.customerip.birch.net
50.20.15.229	A	www.firstviewcorp.com
50.20.30.7	A	slb01bay-v11.nrcrgaby.cbeyond.net
50.20.30.9	A	omx.cbeyond.com
50.20.30.10	A	omx.cbeyond.com
50.20.30.11	A	mts.cbeyond.com
50.20.30.15	A	smtp.zytron.net
50.20.30.29	A	omx.cbeyond.com
50.20.30.30	A	omx.cbeyond.com
50.20.31.2	A+PTR	cat00dev-v10.dev.cbeyond.net
50.20.31.35	A	mobile-atst.cbeyondonline.net
50.20.31.58	A	mobinv-test.cbeyond.net
50.20.31.58	A	mobinv-dev.cbeyond.net
50.20.31.58	A	ilecticket-dev.cbeyond.net