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Class | Mask | Slash | Addresses | Nodes |
A | 255.000.000.000 | /8 | 16777216 | 16777214 |
B | 255.255.000.000 | /16 | 65536 | 65534 |
B | 255.255.128.000 | /17 | 32768 | 32766 |
B | 255.255.192.000 | /18 | 16384 | 16382 |
B | 255.255.224.000 | /19 | 8192 | 8190 |
B | 255.255.240.000 | /20 | 4096 | 4094 |
B | 255.255.248.000 | /21 | 2048 | 2046 |
B | 255.255.252.000 | /22 | 1024 | 1022 |
B | 255.255.254.000 | /23 | 512 | 510 |
C | 255.255.255.000 | /24 | 256 | 254 |
C | 255.255.255.128 | /25 | 128 | 126 |
C | 255.255.255.192 | /26 | 64 | 62 |
C | 255.255.255.224 | /27 | 32 | 30 |
C | 255.255.255.240 | /28 | 16 | 14 |
C | 255.255.255.248 | /29 | 8 | 6 |
C | 255.255.255.252 | /30 | 4 | 2 |
C | 255.255.255.254 | /31 | 2 | 0 |
C | 255.255.255.255 | /32 | 1 | 0 |