Сетевые маски переменной длины
| адресов |
бит |
префикс |
класс |
маска |
| 1 |
0 |
/32 |
|
255.255.255.255 |
| 2 |
1 |
/31 |
|
255.255.255.254 |
| 4 |
2 |
/30 |
|
255.255.255.252 |
| 8 |
3 |
/29 |
|
255.255.255.248 |
| 16 |
4 |
/28 |
|
255.255.255.240 |
| 32 |
5 |
/27 |
|
255.255.255.224 |
| 64 |
6 |
/26 |
|
255.255.255.192 |
| 128 |
7 |
/25 |
|
255.255.255.128 |
| 256 |
8 |
/24 |
1C |
255.255.255.0 |
| 512 |
9 |
/23 |
2C |
255.255.254.0 |
| 1K |
10 |
/22 |
4C |
255.255.252.0 |
| 2K |
11 |
/21 |
8C |
255.255.248.0 |
| 4K |
12 |
/20 |
16C |
255.255.240.0 |
| 8K |
13 |
/19 |
32C |
255.255.224.0 |
| 16K |
14 |
/18 |
64C |
255.255.192.0 |
| 32K |
15 |
/17 |
128C |
255.255.128.0 |
| 64K |
16 |
/16 |
1B |
255.255.0.0 |
| 128K |
17 |
/15 |
2B |
255.254.0.0 |
| 256K |
18 |
/14 |
4B |
255.252.0.0 |
| 512K |
19 |
/13 |
8B |
255.248.0.0 |
| 1M |
20 |
/12 |
16B |
255.240.0.0 |
| 2M |
21 |
/11 |
32B |
255.224.0.0 |
| 4M |
22 |
/10 |
64B |
255.192.0.0 |
| 8M |
23 |
/9 |
128B |
255.128.0.0 |
| 16M |
24 |
/8 |
1A |
255.0.0.0 |
| 32M |
25 |
/7 |
2A |
254.0.0.0 |
| 64M |
26 |
/6 |
4A |
252.0.0.0 |
| 128M |
27 |
/5 |
8A |
248.0.0.0 |
| 256M |
28 |
/4 |
16A |
240.0.0.0 |
| 512M |
29 |
/3 |
32A |
224.0.0.0 |
| 1024M |
30 |
/2 |
64A |
192.0.0.0 |
| 2048M |
31 |
/1 |
128A |
128.0.0.0 |
| 4096M |
32 |
/0 |
256A |
0.0.0.0 |
Запись опубликована в рубрике
Quick Tip с метками
IP,
Networks. Добавьте в закладки
постоянную ссылку.
