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Subnetting
El subnetting consiste en dividir una red grande en varias subredes más pequeñas
Direccionamiento para redes privadas
Clase | A | B | C |
---|---|---|---|
Direccionamiento privado | 10.0.0.0 a 10.255.255.255.255 | 172.16.0.0 a 172.31.255.255 | 192.168.0.0 a 192.168.255.255 |
CIDR
CIDR (Classless Inter-Domain Routing)
La notación CIDR es una forma abreviada de especificar la máscara de subred.
CIDR | Máscara subred | Máscara Comodín | Total direcciones IP | Total IP utilizables |
---|---|---|---|---|
32 | 255.255.255.255 | 0.0.0.0 | ||
31 | 255.255.255.254 | 0.0.0.1 | 2 | 2 (RFC3021) |
30 | 255.255.255.252 | 0.0.0.3 | 4 | 2 |
29 | 255.255.255.248 | 0.0.0.7 | 8 | 6 |
28 | 255.255.255.240 | 0.0.0.15 | 16 | 14 |
27 | 255.255.255.224 | 0.0.0.31 | 32 | 30 |
26 | 255.255.255.192 | 0.0.0.63 | 64 | 62 |
25 | 255.255.255.128 | 0.0.0.127 | 128 | 126 |
24 | 255.255.255.0 | 0.0.0.255 | 256 | 254 |
23 | 255.255.254.0 | 0.0.1.255 | 512 | 510 |
22 | 255.255.252.0 | 0.0.3.255 | 1,024 | 1,022 |
21 | 255.255.248.0 | 0.0.7.255 | 2,048 | 2,046 |
20 | 255.255.240.0 | 0.0.15.255 | 4,096 | 4,094 |
19 | 255.255.224.0 | 0.0.31.255 | 8,192 | 8,190 |
18 | 255.255.192.0 | 0.0.63.255 | 16,384 | 16,382 |
17 | 255.255.128.0 | 0.0.127.255 | 32,768 | 32,766 |
16 | 255.255.0.0 | 0.0.255.255 | 65,536 | 65,534 |
15 | 255.254.0.0 | 0.1.255.255 | 131,072 | 131,070 |
14 | 255.252.0.0 | 0.3.255.255 | 262,144 | 262,142 |
13 | 255.248.0.0 | 0.7.255.255 | 524,288 | 524,286 |
12 | 255.240.0.0 | 0.15.255.255 | 1,048,576 | 1,048,574 |
11 | 255.224.0.0 | 0.31.255.255 | 2,097,152 | 2,097,150 |
10 | 255.192.0.0 | 0.63.255.255 | 4,194,304 | 4,194,302 |
9 | 255.128.0.0 | 0.127.255.255 | 8,388,608 | 8,388,606 |
8 | 255.0.0.0 | 0.255.255.255 | 16,777,216 | 16,777,214 |
7 | 254.0.0.0 | 1.255.255.255 | 33,554,432 | 33,554,430 |
6 | 252.0.0.0 | 3.255.255.255 | 67,108,864 | 67,108,862 |
5 | 248.0.0.0 | 7.255.255.255 | 134,217,728 | 134,217,726 |
4 | 240.0.0.0 | 15.255.255.255 | 268,435,456 | 268,435,454 |
3 | 224.0.0.0 | 31.255.255.255 | 536,870,912 | 536,870,910 |
2 | 192.0.0.0 | 63.255.255.255 | 1,073,741,824 | 1,073,741,822 |
1 | 128.0.0.0 | 127.255.255.255 | 2,147,483,648 | 2,147,483,646 |
0 | 0.0.0.0 | 255.255.255.255 | 4,294,967,296 | 4,294,967,294 |