단디연구소
IPV4 SUBNETTING 본문
Subnets | |||
CIDR |
Subnet Mask |
Addresses |
Wlidcard |
/32 |
255.255.255.255 |
1 |
0.0.0.0 |
/31 |
255.255.255.254 |
2 |
128.0.0.0 |
/30 |
255.255.255.252 |
4 |
192.0.0.0 |
/29 |
255.255.255.248 |
8 |
224.0.0.0 |
/28 |
255.255.255.240 |
16 |
240.0.0.0 |
/27 |
255.255.255.224 |
32 |
248.0.0.0 |
/26 |
255.255.255.192 |
64 |
252.0.0.0 |
/25 |
255.255.255.128 |
128 |
254.0.0.0 |
/24 |
255.255.255.0 |
256 |
255.0.0.0 |
/23 |
255.255.254.0 |
512 |
255.128.0.0 |
/22 |
255.255.252.0 |
1024 |
255.192.0.0 |
/21 |
255.255.248.0 |
2048 |
255.224.0.0 |
/20 |
255.255.240.0 |
4096 |
255.240.0.0 |
/19 |
255.255.224.0 |
8192 |
255.248.0.0 |
/18 |
255.255.192.0 |
16384 |
255.252.0.0 |
/17 |
255.255.128.0 |
32768 |
255.254.0.0 |
/16 |
255.255.0.0 |
65536 |
255.255.0.0 |
/15 |
255.254.0.0 |
131072 |
255.255.128.0 |
/14 |
255.252.0.0 |
262144 |
255.255.192.0 |
/13 |
255.248.0.0 |
524288 |
255.255.224.0 |
/12 |
255.240.0.0 |
1048576 |
255.255.240.0 |
/11 |
255.224.0.0 |
2097152 |
255.255.248.0 |
/10 |
255.192.0.0 |
4194304 |
255.255.252.0 |
/9 |
255.128.0.0 |
8388608 |
255.255.254.0 |
/8 |
255.0.0.0 |
16777216 |
255.255.255.0 |
/7 |
254.0.0.0 |
33554432 |
255.255.255.128 |
/6 |
252.0.0.0 |
67108864 |
255.255.255.192 |
/5 |
248.0.0.0 |
134217728 |
255.255.255.224 |
/4 |
240.0.0.0 |
268435456 |
255.255.255.240 |
/3 |
224.0.0.0 |
536870912 |
255.255.255.248 |
/2 |
192.0.0.0 |
1073741824 |
255.255.255.252 |
/1 |
128.0.0.0 |
2147483648 |
255.255.255.254 |
/0 |
0.0.0.0 |
4294967296 |
255.255.255.255 |
Classful Ranges |
‘A’ 0.0.0.0 – 127.255.255.255 |
‘B’ 128.0.0.0 - 191.255.255.255 |
‘C’ 192.0.0.0 - 223.255.255.255 |
‘D’ 224.0.0.0 - 239.255.255.255 |
‘E’ 240.0.0.0 - 255.255.255.255 |