Robtex

Up: 221.120.190.0/23
Can't show all results, try to descend to a more specific CIDR
Down left: 221.120.191.0/25
Down right: 221.120.191.128/25
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
221.120.191.138	A	ns4.apstar.com
221.120.191.138	A	ps2.apstar.com
221.120.191.138	A	c2948g1.apstar.com
221.120.191.194	A	dns1.apstar.com
221.120.191.195	A	ns2.supereffort.com
221.120.191.195	A	dns2.apstar.com