Robtex

Up: 216.40.78.0/23
Can't show all results, try to descend to a more specific CIDR
Down left: 216.40.78.0/25
Down right: 216.40.78.128/25
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
216.40.78.2	A	ld-va-3845-01.res.openband.net
216.40.78.6	A+PTR	asbn-va-7604-02.res.openband.net
216.40.78.32	PTR	relay2-drs.mcdean.com
216.40.78.85	PTR	ns1.openband.net
216.40.78.86	PTR	ns2.openband.net
216.40.78.88	A+PTR	relay3.openband.net
216.40.78.94	A+PTR	relay.openband.net
216.40.78.161	A	ld-va-isg-01.res.openband.net
216.40.78.186	A	ns1.openband.net
216.40.78.186	A	ns1.res.openband.net
216.40.78.186	A	ns3.smartneighborhood.net
216.40.78.196	A	mx5.imms-mailer.com
216.40.78.197	A	cco-host-02.openband.net
216.40.78.228	A	imms-mailer.com
216.40.78.228	A	mx1.imms-mailer.com
216.40.78.229	A	mx4.imms-mailer.com
216.40.78.230	A	mx2.imms-mailer.com
216.40.78.231	PTR	relay2-drs.mcdean.com
216.40.78.231	A	ns3.mcdean.com
216.40.78.232	A+PTR	relay2-drs.mcdean.com
216.40.78.232	A	ns6.mcdean.com