Robtex

Up: 74.123.192.0/20
Can't show all results, try to descend to a more specific CIDR
Down left: 74.123.200.0/22
Down right: 74.123.204.0/22
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
74.123.200.10	PTR	ns3.batblue.com
74.123.200.20	A+PTR	concur.batblue.com
74.123.200.21	A+PTR	bb-nj1-smr-1.batblue.com
74.123.200.26	A	support.batblue.com
74.123.200.27	A	batred.com
74.123.200.31	A+PTR	mailsec1.batblue.net
74.123.200.36	A+PTR	espn2.mailsec1.batblue.net
74.123.200.36	A	espn.mailsec1.batblue.net
74.123.200.37	A+PTR	espn5.mailsec1.batblue.net
74.123.200.37	A	espn.mailsec1.batblue.net
74.123.200.39	A	em.primeauto.com
74.123.200.40	PTR	mailsec1.batblue.net
74.123.200.40	A	rs-nj1-smr-0.batblue.com
74.123.200.40	A	rs-nj1-smr-1.batblue.com
74.123.200.113	A	lightpathsecurityportal.com
74.123.200.193	A+PTR	dns5.espn.com
74.123.200.194	A+PTR	www.batblue.com
74.123.200.194	A	batblue.com
74.123.200.194	A	cloudsec.us
74.123.200.202	A	mail.thlp.org
74.123.200.213	A	www.mta-hq.info
74.123.200.217	A	labofragrances.net
74.123.200.217	A	labofragrances.org
74.123.200.217	A	mx2.lelabofragrances.com
74.123.200.222	PTR	espn-nj2-mailsec.batblue.net
74.123.201.12	PTR	nus-nj1-smr-1.batblue.com
74.123.201.12	PTR	mailsec1.batblue.net
74.123.201.19	PTR	bb-nj1-smr-test.batblue.com
74.123.201.19	A	zixvpm.milesstockbridge.com
74.123.201.19	A	zix.milesstockbridge.com
74.123.201.78	A+PTR	mail.greenwichct.org
74.123.201.82	A	www.greenwichct.org
74.123.201.84	A+PTR	mta2.greenwichct.org
74.123.201.85	A	mta1.greenwichct.org
74.123.201.114	A	thegriffgolf.com
74.123.201.114	A	griffharris.com
74.123.201.167	A	sandyconnect.com
74.123.201.170	A	trellancestorefront.com
74.123.202.10	PTR	mail2.theday.com
74.123.202.15	A	media.theday.com
74.123.202.15	A	ftp.theday.com
74.123.202.16	A	weather.theday.com
74.123.202.23	A	outside4.theday.com
74.123.202.24	A	outside8.theday.com
74.123.202.25	A	outside9.theday.com
74.123.202.26	A	outside10.theday.com
74.123.202.27	A	outside11.theday.com
74.123.202.32	A+PTR	nldspam.theday.com
74.123.202.211	A+PTR	telx-gateway.batblue.com
74.123.203.10	A+PTR	ns4.batblue.com
74.123.203.12	A+PTR	espn4.mailsec3.batblue.net
74.123.203.12	A	espn.mailsec3.batblue.net
74.123.203.15	A+PTR	mailsec2.batblue.net
74.123.203.97	A+PTR	dns3.espn.com
74.123.203.98	A+PTR	espn-la1-mailsec.batblue.net
74.123.205.132	PTR	mail.nyhart.com
74.123.205.132	A	mail.votaire.com