Robtex

Up: 206.53.192.0/19
Can't show all results, try to descend to a more specific CIDR
Down left: 206.53.208.0/21
Down right: 206.53.216.0/21
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
206.53.211.10	PTR	www.mediabase.com
206.53.211.10	A	mis2.musicinfosystem.net
206.53.211.10	A	musicinfosystem.com
206.53.211.52	A	mbdev.mediabase.com
206.53.211.52	A	musicinfodev.mediabase.com
206.53.211.52	A	misweb32.mediabase.com
206.53.211.69	A+PTR	audiolookup.mediabase.com
206.53.211.69	A	pdf.mediabase.com
206.53.211.69	A	dataservice.mediabase.com
206.53.211.114	PTR	ftp.mediabase.com
206.53.211.114	A	iftp.mmr247.net
206.53.211.114	A	ftp.mmr247.net
206.53.211.127	PTR	adboard.mediabase.com
206.53.211.129	A	mediabasemusic.com
206.53.211.200	A+PTR	mailbag.mediabase.com
206.53.211.200	A	mail.mmr247.com
206.53.211.200	A	mail.mmr247.net
206.53.211.201	PTR	mail3.mediabase.com
206.53.212.11	PTR	selector2go.com
206.53.212.11	A	rcsthailand.com
206.53.212.11	A	rcssoundsoftware.com
206.53.212.16	A+PTR	rcssupport.com
206.53.212.16	A	www.rcssupport.com
206.53.212.16	A	selectorlicense.com
206.53.212.21	A+PTR	supportold.rcsworks.com
206.53.212.21	A	support.rcsworks.com
206.53.212.26	PTR	testallmedia.com
206.53.212.58	A+PTR	vbulletin.rcsworks.com
206.53.212.58	A	rcscommunity.com
206.53.212.61	A	mminet.mediamonitors.com
206.53.212.73	A+PTR	spotspot.com
206.53.212.73	A	mmanalytics.com
206.53.212.73	A	mediamonitors.com
206.53.212.81	A	airnet3.mediamonitors.com
206.53.212.83	A	mmfarm2.mediamonitors.com
206.53.212.86	A+PTR	data.mediamonitors.com
206.53.212.86	A	mscore.com
206.53.212.100	A+PTR	acuitastv.com
206.53.212.100	A	floricalsystems.com
206.53.212.100	A	sharecasting.com
206.53.212.134	A+PTR	mmwebmy.mediamonitors.com
206.53.212.134	A	www.powerplaylist.com
206.53.212.156	A	mediamonitors.fr
206.53.212.162	A	audioproxy03.mediamonitors.com
206.53.212.164	A	audioproxy05.mediamonitors.com
206.53.212.178	A	support.rcsworks.com
206.53.212.202	A	tvproxy3.mediamonitors.com
206.53.212.203	A	tvproxy5.mediamonitors.com
206.53.212.203	A	tvproxy05.mediamonitors.com
206.53.212.204	A	tvproxy07.mediamonitors.com
206.53.212.208	A+PTR	tvp13b.mediamonitors.com
206.53.212.208	A	tvproxy06.mediamonitors.com
206.53.212.209	A+PTR	tvp14.mediamonitors.com
206.53.212.213	A+PTR	tvp15.mediamonitors.com
206.53.212.224	A	ns4.mediabase.net
206.53.212.224	A	hitpredictor.com
206.53.212.226	A	mscore.com
206.53.212.226	A	www.mscore.com
206.53.213.20	A	idstatic.com
206.53.213.25	A+PTR	mta1.idmemail.net
206.53.213.26	A+PTR	mta2.idmemail.net
206.53.213.27	A	mta3.idmemail.net
206.53.213.32	PTR	13weeksofsummer.com
206.53.213.32	A	inergizecms.com
206.53.213.32	A	mobile.newswatch50.com
206.53.213.51	A	w10.centralmediaserver.com
206.53.213.52	A	w10.localadbuy.com
206.53.213.92	PTR	northcountrycw.com
206.53.213.92	A	nexstardigitalsales.com
206.53.213.92	A	kasn.com
206.53.213.93	PTR	northcountrycw.com
206.53.213.93	A	nexstardigitalsales.com
206.53.213.93	A	kasn.com
206.53.213.95	A	cdn.inergizecms.com
206.53.213.96	A	cdn.inergizecms.com