Subnet Mask
255.255.240.0
Subnet Mask (HEX)
FF.FF.F0.00
Total IP Addresses
4,096
Usable Hosts
4,094
Wildcard Mask
0.0.15.255
Class
16 C
Subnet Reference Table
| CIDR | Subnet Mask | Subnet Mask (HEX) | # of IPs | Wildcard Mask | Host Bits | Class |
|---|---|---|---|---|---|---|
| /32 | 255.255.255.255 | FF.FF.FF.FF | 1 | 0.0.0.0 | 0 | Single Host |
| /31 | 255.255.255.254 | FF.FF.FF.FE | 2 | 0.0.0.1 | 1 | 1/1 C |
| /30 | 255.255.255.252 | FF.FF.FF.FC | 4 | 0.0.0.3 | 2 | 1/2 C |
| /29 | 255.255.255.248 | FF.FF.FF.F8 | 8 | 0.0.0.7 | 3 | 1/4 C |
| /28 | 255.255.255.240 | FF.FF.FF.F0 | 16 | 0.0.0.15 | 4 | 1/8 C |
| /27 | 255.255.255.224 | FF.FF.FF.E0 | 32 | 0.0.0.31 | 5 | 1/16 C |
| /26 | 255.255.255.192 | FF.FF.FF.C0 | 64 | 0.0.0.63 | 6 | 1/32 C |
| /25 | 255.255.255.128 | FF.FF.FF.80 | 128 | 0.0.0.127 | 7 | 1/64 C |
| /24 | 255.255.255.0 | FF.FF.FF.00 | 256 | 0.0.0.255 | 8 | 1 C |
| /23 | 255.255.254.0 | FF.FF.FE.00 | 512 | 0.0.1.255 | 9 | 2 C |
| /22 | 255.255.252.0 | FF.FF.FC.00 | 1,024 | 0.0.3.255 | 10 | 4 C |
| /21 | 255.255.248.0 | FF.FF.F8.00 | 2,048 | 0.0.7.255 | 11 | 8 C |
| /20 | 255.255.240.0 | FF.FF.F0.00 | 4,096 | 0.0.15.255 | 12 | 16 C |
| /19 | 255.255.224.0 | FF.FF.E0.00 | 8,192 | 0.0.31.255 | 13 | 32 C |
| /18 | 255.255.192.0 | FF.FF.C0.00 | 16,384 | 0.0.63.255 | 14 | 64 C |
| /17 | 255.255.128.0 | FF.FF.80.00 | 32,768 | 0.0.127.255 | 15 | 128 C |
| /16 | 255.255.0.0 | FF.FF.00.00 | 65,536 | 0.0.255.255 | 16 | 1 B |
| /15 | 255.254.0.0 | FF.FE.00.00 | 131,072 | 0.1.255.255 | 17 | 2 B |
| /14 | 255.252.0.0 | FF.FC.00.00 | 262,144 | 0.3.255.255 | 18 | 4 B |
| /13 | 255.248.0.0 | FF.F8.00.00 | 524,288 | 0.7.255.255 | 19 | 8 B |
| /12 | 255.240.0.0 | FF.F0.00.00 | 1,048,576 | 0.15.255.255 | 20 | 16 B |
| /11 | 255.224.0.0 | FF.E0.00.00 | 2,097,152 | 0.31.255.255 | 21 | 32 B |
| /10 | 255.192.0.0 | FF.C0.00.00 | 4,194,304 | 0.63.255.255 | 22 | 64 B |
| /9 | 255.128.0.0 | FF.80.00.00 | 8,388,608 | 0.127.255.255 | 23 | 128 B |
| /8 | 255.0.0.0 | FF.00.00.00 | 16,777,216 | 0.255.255.255 | 24 | 1 A |
| /7 | 254.0.0.0 | FE.00.00.00 | 33,554,432 | 1.255.255.255 | 25 | 2 A |
| /6 | 252.0.0.0 | FC.00.00.00 | 67,108,864 | 3.255.255.255 | 26 | 4 A |
| /5 | 248.0.0.0 | F8.00.00.00 | 134,217,728 | 7.255.255.255 | 27 | 8 A |
| /4 | 240.0.0.0 | F0.00.00.00 | 268,435,456 | 15.255.255.255 | 28 | 16 A |
| /3 | 224.0.0.0 | E0.00.00.00 | 536,870,912 | 31.255.255.255 | 29 | 32 A |
| /2 | 192.0.0.0 | C0.00.00.00 | 1,073,741,824 | 63.255.255.255 | 30 | 64 A |
| /1 | 128.0.0.0 | 80.00.00.00 | 2,147,483,648 | 127.255.255.255 | 31 | 128 A |
| /0 | 255.255.255.255 | FF.FF.FF.FF | 4,294,967,296 | 0.0.0.0 | 32 | Default Route |