Robtex

Up: 199.16.0.0/20
Can't show all results, try to descend to a more specific CIDR
Down left: 199.16.8.0/22
Down right: 199.16.12.0/22
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
199.16.8.5	PTR	199.16.8.5.rdns.continuumdatacenters.com
199.16.8.5	A	www.finco.com
199.16.8.5	A	70-228-192-232.finco.com
199.16.8.7	PTR	199.16.8.7.rdns.continuumdatacenters.com
199.16.8.7	A	smtp.finco.com
199.16.8.27	A	killer.org
199.16.8.27	A	ns1.killer.org
199.16.8.27	A	mail.killer.org
199.16.8.28	PTR	199.16.8.28.rdns.continuumdatacenters.com
199.16.8.28	A	sadistic.net
199.16.8.58	PTR	199.16.8.58.rdns.continuumdatacenters.com
199.16.8.58	A	ns1.onepurposeonly.com
199.16.8.58	A	onepurposeonly.com
199.16.8.139	A	apps.ladosanostra.com
199.16.8.140	PTR	vps140.cugnet.net
199.16.8.140	A	cugnet.net
199.16.8.141	A+PTR	vps141.cugnet.net
199.16.8.141	A	vm195.cugnet.net
199.16.8.144	A	vps144.cugnet.net
199.16.8.144	A	etchltd.com
199.16.8.144	A	vm198.cugnet.net
199.16.8.150	PTR	ponyexpress-graphics.com
199.16.8.154	A+PTR	vps154.cugnet.net
199.16.8.154	A	webmail.circlecitycon.com
199.16.8.178	A	mail2.smbtrials.com
199.16.8.225	PTR	199.16.8.225.rdns.continuumdatacenters.com
199.16.8.228	PTR	cpanel1.bonafideitsolutions.com
199.16.8.228	A	fullpotentialdev.com
199.16.8.228	A	bonafideitsolutions.com
199.16.8.229	A	ns2.bonafideitsolutions.com
199.16.8.248	PTR	199.16.8.248.rdns.continuumdatacenters.com
199.16.8.248	A	fptpbx.fptservers.com
199.16.8.254	A+PTR	router1.fptservers.com
199.16.8.254	A	fptservers.com
199.16.9.3	A	larhs.com
199.16.9.3	A	bbutton.com
199.16.9.15	A	zcs01.bbutton.com
199.16.9.68	PTR	199.16.9.68.rdns.continuumdatacenters.com
199.16.10.30	PTR	199.16.10.30.rdns.continuumdatacenters.com
199.16.11.0	PTR	199.16.11.0.rdns.continuumdatacenters.com
199.16.11.130	PTR	www.vfemail.net
199.16.11.130	A	vfemail.net
199.16.11.132	A+PTR	onethreetwo.vfemail.net
199.16.11.138	A+PTR	onethreeeight.vfemail.net
199.16.11.138	A	mx3.vfemail.net
199.16.11.138	A	mx1.vfemail.net
199.16.11.139	PTR	onethreenine.vfemail.net
199.16.11.139	A	mx2.vfemail.net
199.16.11.150	PTR	onefivezero.vfemail.net
199.16.11.150	A	webfrontend.vfemail.net
199.16.11.150	A	www.openmail.cc
199.16.11.151	PTR	onefiveone.vfemail.net
199.16.11.151	A	mail.vfemail.net
199.16.11.151	A	mail.openmail.cc
199.16.11.152	PTR	onefivetwo.vfemail.net
199.16.11.152	A	metadatamitigator.com
199.16.11.152	A	offensivelytolerant.com
199.16.11.153	PTR	onefivethree.vfemail.net
199.16.11.228	PTR	199.16.11.228.rdns.continuumdatacenters.com
199.16.12.61	PTR	199.16.12.61.rdns.continuumdatacenters.com
199.16.12.74	PTR	199.16.12.74.rdns.continuumdatacenters.com
199.16.13.29	PTR	nikefreeboxs.tk
199.16.13.29	A	mx.nikefreeboxs.tk
199.16.13.33	A	ns1.comaron.com
199.16.13.33	A	ns2.comaron.com
199.16.13.33	A	lto.comaron.com
199.16.13.82	PTR	199.16.13.82.rdns.continuumdatacenters.com
199.16.13.83	PTR	mta30.check2one.com
199.16.13.83	A	hairnarrow.co.uk
199.16.13.96	A	ns1.vthinker.com
199.16.13.96	A	fig.vthinker.com
199.16.13.96	A	ns2.vthinker.com
199.16.13.106	PTR	199.16.13.106.rdns.continuumdatacenters.com
199.16.13.106	A	mx.codelambo.com
199.16.13.106	A	webqueb.com
199.16.13.107	PTR	joffre17.contatocerto.net
199.16.13.129	PTR	199.16.13.129.rdns.continuumdatacenters.com
199.16.13.129	A	m4.nikefreeboxs.ga
199.16.13.132	A	www.leadershipeducationnelenhaiti.com
199.16.13.135	PTR	199.16.13.135.rdns.continuumdatacenters.com
199.16.13.135	A	teach2motivate.com
199.16.13.136	PTR	199.16.13.136.rdns.continuumdatacenters.com
199.16.13.160	PTR	cha160.bild29stein.biz
199.16.13.160	A	ns1.shellservers.net
199.16.13.173	PTR	maisperformance.sjellegance.com.br
199.16.13.194	A	secure.shellservers.net
199.16.14.14	A	corrinemarket.com
199.16.14.15	PTR	199.16.14.15.rdns.continuumdatacenters.com
199.16.14.15	A	mail.learnchristianleadership.com
199.16.14.19	PTR	199.16.14.19.rdns.continuumdatacenters.com
199.16.14.19	A	mail.jualhpmurah.org
199.16.14.21	PTR	199.16.14.21.rdns.continuumdatacenters.com
199.16.14.21	A	mail.moviejapan.org
199.16.14.23	PTR	199.16.14.23.rdns.continuumdatacenters.com
199.16.14.74	A	mail.operationmilesforsmiles.org
199.16.14.74	A	operationmilesforsmiles.org
199.16.14.81	PTR	199.16.14.81.rdns.continuumdatacenters.com
199.16.14.81	A	mail.rightforohio.org
199.16.14.83	PTR	199.16.14.83.rdns.continuumdatacenters.com
199.16.14.84	PTR	199.16.14.84.rdns.continuumdatacenters.com
199.16.14.123	PTR	199.16.14.123.rdns.continuumdatacenters.com
199.16.14.123	A	mail.williamfoster.biz
199.16.14.123	A	mail.arizonataxrevolt.org
199.16.14.125	A	mail.parentsofdrugaddicts.net
199.16.14.134	PTR	199.16.14.134.rdns.continuumdatacenters.com
199.16.14.134	A	myclanhosting.com
199.16.14.134	A	dns1.myclanhosting.com
199.16.14.148	A	marriagelicenselasvegas.com
199.16.14.148	A	www.bloggingsense.com
199.16.14.151	A	mail.gorgeousglow.net
199.16.14.158	A	mail.visualmanufacturingreconciliations.com
199.16.14.167	PTR	ch167.mach9network.com
199.16.14.180	PTR	ch180.mach9network.com
199.16.14.227	PTR	199.16.14.227.rdns.continuumdatacenters.com
199.16.14.227	A	hauteur.greetingsplanet.com
199.16.14.227	A	greetingsplanet.com
199.16.14.238	A	breezing.grant-programs.com
199.16.14.241	A	lindane.business-lender.com
199.16.15.54	A	www.iapeel.com
199.16.15.54	A	iapeel.com