Robtex

Up: 208.89.128.0/21
Can't show all results, try to descend to a more specific CIDR
Down left: 208.89.132.0/23
Down right: 208.89.134.0/23
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
208.89.132.2	PTR	btroc2-br1.roc2.bluetie.com
208.89.132.3	A	btroc2-br2.roc2.bluetie.com
208.89.132.4	PTR	gateway.bluetie.com
208.89.132.18	PTR	generic.roc2.bluetie.com
208.89.132.21	A+PTR	webmail.excite.com
208.89.132.21	A	mail.excite.com
208.89.132.21	A	iac-excite.pl.bluetie.com
208.89.132.22	PTR	webmail.myway.com
208.89.132.24	A+PTR	api2.bluetie.com
208.89.132.27	A+PTR	mail-in-excite.roc2.bluetie.com
208.89.132.28	A+PTR	mail-in-myway.roc2.bluetie.com
208.89.132.29	A+PTR	mail-in-iwon.roc2.bluetie.com
208.89.132.30	PTR	pop.roc2.bluetie.com
208.89.132.30	A	pop3.excite.com
208.89.132.30	A	smtp.roc2.bluetie.com
208.89.132.32	PTR	www.breezesocial.com
208.89.132.33	A	stage.breezesocial.com
208.89.132.35	PTR	mx04.register.com
208.89.132.36	A+PTR	mailapp02.register.com
208.89.132.37	A	api.breezesocial.com
208.89.132.41	PTR	tls-pl-imap.bluetie.com
208.89.132.41	A	mail.carlsmower.com
208.89.132.41	A	mail.hillyridge.com
208.89.132.47	PTR	dashboard.adventive.com
208.89.132.50	A	mail.myfam.com
208.89.132.50	A	mail.honorcraft.com
208.89.132.50	A	smtp.torrealba.com
208.89.132.53	A	esmtp.unwired.com.au
208.89.132.53	A	smtp-unwired.bluetie.com
208.89.132.74	A	api.bluetie.com
208.89.132.100	A	access.bluetie.com
208.89.132.113	A+PTR	mail.bluetie.com
208.89.132.113	A	mail3.bluetie.com
208.89.132.113	A	mail1.bluetie.com
208.89.132.121	A+PTR	www.bluetie.com
208.89.132.121	A	bluetie.com
208.89.132.121	A	breezesocial.com
208.89.132.141	A+PTR	outbound001.roc2.bluetie.com
208.89.132.142	A+PTR	outbound002.roc2.bluetie.com
208.89.132.143	A+PTR	outbound003.roc2.bluetie.com
208.89.132.144	A+PTR	outbound004.roc2.bluetie.com
208.89.132.145	A+PTR	outbound005.roc2.bluetie.com
208.89.132.147	A+PTR	altout002.roc2.bluetie.com
208.89.132.173	PTR	outbound006.nyc1.bluetie.com
208.89.132.199	A+PTR	mail.bluetie.com
208.89.132.199	A	mail3.bluetie.com
208.89.132.199	A	mail1.bluetie.com
208.89.132.201	A	app2.bluetie.com
208.89.132.202	A+PTR	mail-in.roc2.bluetie.com
208.89.132.204	A	freeservers.pl.bluetie.com
208.89.132.208	A	ftp.bluetie.com
208.89.132.209	A	bluetiestage.com
208.89.132.217	A+PTR	pl-web.bluetie.com
208.89.132.217	A	libertytax.pl.bluetie.com
208.89.132.217	A	zeemail.libertytax.com
208.89.132.219	PTR	imap-migration.roc2.bluetie.com
208.89.132.219	A	mycompanyemail.com
208.89.132.219	A	support.bluetie.com
208.89.132.220	PTR	app3.bluetie.com
208.89.132.220	A	app.bluetie.com
208.89.132.222	A	webmail.arinet.com
208.89.132.224	A	lunarpc.pl.bluetie.com
208.89.132.226	PTR	webmail.ezmailcenter.com
208.89.132.226	A	ezmailcenter.pl.bluetie.com
208.89.132.241	PTR	mail1.communityarchitect.com
208.89.132.241	A	mai1.communityarchitect.com
208.89.133.7	A	bluetie.com
208.89.133.7	A	www.bluetie.com
208.89.133.7	A	support.bluetie.com
208.89.133.9	A	imap.bluetie.com
208.89.133.18	A+PTR	outbound003.nyc1.bluetie.net
208.89.133.19	A+PTR	outbound004.nyc1.bluetie.net
208.89.133.130	A	login.excite.com
208.89.135.32	A	inbound001.btdev1.net
208.89.135.33	A+PTR	inbound001.btdev2.net
208.89.135.34	A+PTR	inbound001.bttst1.com
208.89.135.34	A	inbound001.bttest.com
208.89.135.77	A	chscts.com
208.89.135.120	A	mail.bluetiestage.com