Robtex

Up: 209.79.32.0/19
Can't show all results, try to descend to a more specific CIDR
Down left: 209.79.48.0/21
Down right: 209.79.56.0/21
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
209.79.53.2	PTR	aopenusa.com
209.79.53.2	A	ns2.aopenglobal.com
209.79.53.2	A	ns1.aopen.com.tr
209.79.53.105	A	ftp.aopen.com
209.79.63.13	A	postal.dmk.org
209.79.63.15	A	www.dmk.org
209.79.63.15	A	web.dmk.org