Difference between revisions of "Private LAN IP addresses"
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Revision as of 22:28, 20 January 2009
IP addresses reserved for private networks. These are routable only in a LAN; WAN gateways will not route the following IP addresses. The 192.168.x.x range is the most familiar. Often forgotten is the 172.16.0.0/12 range.
| IANA Reserved Private Network Ranges | Start of range | End of range | Total addresses |
|---|---|---|---|
| 24-bit Block (/8 prefix, 1 x A) | 10.0.0.0 | 10.255.255.255 | 16,777,216 |
| 20-bit Block (/12 prefix, 16 x B) | 172.16.0.0 | 172.31.255.255 | 1,048,576 |
| 16-bit Block (/16 prefix, 256 x C) | 192.168.0.0 | 192.168.255.255 | 65,536 |
