Robtex

Up: 37.77.16.0/23
Can't show all results, try to descend to a more specific CIDR
Down left: 37.77.16.0/25
Down right: 37.77.16.128/25
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
37.77.16.121	A	mail.biltam.net.tr
37.77.16.122	A	mail2.biltam.net.tr
37.77.16.252	A	ns2.biltam.com.tr
37.77.16.252	A	ns1.biltam.com.tr
37.77.16.252	A	ns2.btam.com.tr
37.77.16.254	A+PTR	mail.biltam.com.tr
37.77.16.254	A+PTR	mail.btam.com.tr
37.77.16.254	A+PTR	mail.comtec.com.tr