Private LAN IP addresses
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These IP addresses are reserved for private networks (sometimes called localnet). These are routable only in a LAN; WAN gateways will not route the following IP addresses. The 192.168.0.0/16 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, 1 x A) | 10.0.0.0 | 10.255.255.255 | 16777216 |
20-bit Block (/12, 16 x B) | 172.16.0.0 | 172.31.255.255 | 1048576 |
16-bit Block (/16, 256 x C) | 192.168.0.0 | 192.168.255.255 | 65536 |
Link-local Zeroconf (/16 minus the first and last /24 ranges) | 169.254.1.0 | 169.254.254.255 | 65026 |