Robtex

Up: 196.45.123.0/24
Can't show all results, try to descend to a more specific CIDR
Down left: 196.45.123.128/26
Down right: 196.45.123.192/26
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
196.45.123.200	A+PTR	www.newslettersndr.com
196.45.123.200	A	ns1.newslettersndr.com
196.45.123.200	A	ns2.newslettersrv.com
196.45.123.201	A	mail.newslettersndr.com
196.45.123.202	PTR	www.newslettersrv.com
196.45.123.202	A	perfectdeliver.com
196.45.123.202	A	ns2.newslettersndr.com
196.45.123.203	A+PTR	mail.newslettersrv.com
196.45.123.203	A	mail.nimbledeliver.com
196.45.123.203	A	mail.perfectdeliver.com
196.45.123.208	A	mta001.newslettersrv.com
196.45.123.216	A+PTR	mta001.perfectdeliver.com
196.45.123.217	A+PTR	mta002.perfectdeliver.com
196.45.123.218	A+PTR	mta003.perfectdeliver.com
196.45.123.219	A+PTR	mta004.perfectdeliver.com