Background

• There are several blocks of IP address space reserved for private use:

• • 10.0.0.0/8
  • 172.16.0.0/12
  • 192.168.0.0/16
  • These are also referred to as unroutable addresses

• These addresses can be used by any person or organization in a private network

• • Helps ease configuration and provide large numbers of IP addresses to organizations that cannot or will not get enough public IP addresses

• However, devices using these addresses CANNOT be connected directly to the Internet!

• • It is illegal for an address in these ranges to appear on a public IP network