The following table lists the ip address ranges that are recommended for home and office LANs.
http://www.faqs.org/docs/linux_network/x-087-2-issues.ip-addresses.html
Table 2-1. IP Address Ranges Reserved for Private Use
| Class | Networks |
|---|---|
| A | 10.0.0.0 through 10.255.255.255 |
| B | 172.16.0.0 through 172.31.0.0 |
| C | 192.168.0.0 through 192.168.255.0 |