Private IP Addresses


Private IP Addresses
Last updated: 10/19/01

Q.  What are private IP addresses?

A.  The Internet Assigned Numbers Authority (IANA)
 has reserved the following three blocks of the IP
 address space for private internets (local networks):

10.0.0.0 - 10.255.255.255
172.16.0.0 - 172.31.255.255
192.168.0.0 - 192.168.255.255


Also, IP addresses in the range of 169.254.0.0 -169.254.255.255
 are reserved for Automatic Private IP Addressing.