Private IPv4 addresses
The private address space specified in RFC 1918 is defined by the following three address blocks:
| Range | Number | Network | |
|---|---|---|---|
| 10.0.0.0 – 10.255.255.255 | 16,777,216 | 10.0.0.0/8 (255.0.0.0) | 24 bits |
| 172.16.0.0 – 172.31.255.255 | 1,048,576 | 172.16.0.0/12 (255.240.0.0) | 20 bits |
| 192.168.0.0 – 192.168.255.255 | 65,536 | 192.168.0.0/16 (255.255.0.0) | 16 bits |
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