Examples of Wildcard Masks
| Wildcard Mask | Bits in IPv4 Address | Description |
|---|---|---|
| 0.0.0.63 | 00000000 00000000 00000000 00111111 | Matches the first three octets. Matches the two leftmost bits of the last octet. Ignores the last six bits. |
| 0.0.0.254 | 00000000 00000000 00000000 11111110 | Matches the first three octets. Matches the rightmost bit of the last octet. Ignores the first seven bits. |
| 0.0.0.255 | 00000000 00000000 00000000 11111111 | Matches the first three octets. Ignores the last octet. |