Robtex

Up: 208.86.200.0/22
Can't show all results, try to descend to a more specific CIDR
Down left: 208.86.202.0/24
Down right: 208.86.203.0/24
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
208.86.202.9	A	spf-mailers.proofpoint.com
208.86.202.10	PTR	snv-gw.proofpoint.com
208.86.202.10	A	spf-mailers.proofpoint.com
208.86.202.10	A	imap.proofpoint.com
208.86.202.15	A+PTR	mx2.proofpoint.com
208.86.202.15	A+PTR	mail.proofpoint.com
208.86.202.15	A	spf-mailers.proofpoint.com
208.86.202.21	A	bugzilla01.proofpoint.com
208.86.202.24	PTR	vpn.proofpoint.com
208.86.202.45	A	chat.proofpoint.com
208.86.202.59	A+PTR	mx3.proofpoint.com
208.86.202.60	PTR	ns-snv.proofpoint.com
208.86.202.80	A	fw-mgmt.sendmail.com
208.86.202.83	A	ns2.sendmail.com
208.86.202.83	A	mothra.sendmail.com
208.86.202.84	A	foon.sendmail.com
208.86.202.85	A	lincoln.sendmail.com
208.86.202.86	A	zim.sendmail.com
208.86.202.87	A	gir.sendmail.com
208.86.202.88	A	voltage-pp-0000.sendmail.com
208.86.202.89	A	voltage-ps-0000.sendmail.com
208.86.202.90	A+PTR	fife.sendmail.com
208.86.202.90	A	tls.sendmail.com
208.86.202.91	A+PTR	spork.sendmail.com
208.86.202.91	A	tls.sendmail.com
208.86.202.94	A	pinot.sendmail.com
208.86.202.95	A	weboutlook.sendmail.com
208.86.202.95	A	weboutlook2007.sendmail.com
208.86.202.97	A	abaca-1.mx.abacamail.com
208.86.202.97	A	mx.abaca.com
208.86.202.125	A+PTR	ns-snv.proofpoint.com
208.86.202.162	A	smi-training.net
208.86.202.162	A	fw.smi-training.net
208.86.202.163	A	ns.smi-training.net
208.86.202.167	A	mta1.smi-training.net
208.86.202.185	A	dmz217.smi-training.net
208.86.202.228	PTR	scrubber.globax.com
208.86.202.229	A+PTR	pp3.funkware.com
208.86.202.229	A	mx1.aka-inc.net
208.86.202.229	A	mail.funkware.com
208.86.202.230	A	goodmansystems.net
208.86.202.230	A	mxqa.southcentralsunnyvale.net
208.86.202.230	A	eboxmail.us
208.86.202.231	A	capell.freemail.ne.jp
208.86.202.234	A+PTR	mbay6.mx.proofpoint.com
208.86.203.12	PTR	208-86-203-0.proofpoint.com
208.86.203.12	A	smtp.companyassociate.com
208.86.203.12	A	smtp.bbphotoandframe.com
208.86.203.13	PTR	208-86-203-0.proofpoint.com
208.86.203.15	A	cupquest.net
208.86.203.15	A	mx1-pps.cupquest.net
208.86.203.17	A	dlowe.se.proofpoint.com
208.86.203.18	A	rdavis.se.proofpoint.com
208.86.203.25	PTR	208-86-203-0.proofpoint.com
208.86.203.25	A	smtp.se.proofpoint.com
208.86.203.31	A	smtp.bcollar.se.proofpoint.com
208.86.203.31	A	bcollar.se.proofpoint.com
208.86.203.42	A	rcoulter.se.proofpoint.com
208.86.203.46	A	mail.allthingsoffice365.com
208.86.203.56	A	duanderson.se.proofpoint.com
208.86.203.60	A	mail.ramnauth.net
208.86.203.70	A	smtp.cascade36.com
208.86.203.73	A	mx1.gmandelstam.net
208.86.203.73	A	smtp.jdeshaies.se.proofpoint.com
208.86.203.73	A	jdeshaies.se.proofpoint.com
208.86.203.74	A	siasillo.se.proofpoint.com
208.86.203.74	A	smtp.siasillo.se.proofpoint.com
208.86.203.81	A	pps.no-more-spam.com
208.86.203.82	A	dkitt.se.proofpoint.com
208.86.203.82	A	pps.kittservices.com
208.86.203.85	A	mblackhurst.se.proofpoint.com
208.86.203.87	PTR	208-86-203-0.proofpoint.com
208.86.203.87	A	pfptpentest.com
208.86.203.87	A	email.pfptpentest.com
208.86.203.101	PTR	208-86-203-0.proofpoint.com
208.86.203.101	A	se.proofpoint.com
208.86.203.109	PTR	208-86-203-0.proofpoint.com
208.86.203.109	A	aroman.se.proofpoint.com
208.86.203.109	A	smtp.aroman.se.proofpoint.com
208.86.203.115	A	seg.cmlawrence.com
208.86.203.115	A	clawrence.se.proofpoint.com
208.86.203.115	A	smtp.clawrence.se.proofpoint.com
208.86.203.123	A	secure.darkethereal.com
208.86.203.177	PTR	208-86-203-0.proofpoint.com
208.86.203.197	A	smtp.now-defender.com
208.86.203.210	A	hendrix-1.proofpointdemo.com
208.86.203.220	PTR	208-86-203-0.proofpoint.com
208.86.203.224	PTR	208-86-203-0.proofpoint.com
208.86.203.224	A	demo-share1.proofpointdemo.com
208.86.203.228	PTR	208-86-203-0.proofpoint.com
208.86.203.243	A	ptmaster.proofpointdemo.com
208.86.203.251	A	ptrdemo.com
208.86.203.255	PTR	208-86-203-0.proofpoint.com