D-Link DSL-G604T User Manual page 86

It is recommended that you choose private network IP Addresses from the above list. For more
information on address assignment, refer to RFC 1597, Address Allocation for Private Internets and
RFC 1466, Guidelines for Management of IP Address Space.
DSL-G604T 54Mbps Wireless ADSL2/2+ Modem/Router Manual
B 172.16.0.0
C 192.168.0.0
172.31.255.25
5
192.168.255.2
55
86