| IP-Klasse A | 0 | 7 Bit | 24 Bit |
| Prefix | Netzanteil | Hostanteil | |
| 1. Byte | 2. - 4. Byte | ||
| (2 hoch 7) minus 2 Netze (2 hoch 24) minus 2 Hosts pro Netz | |||
| IP-Klasse B | 10 | 14 Bit | 16 Bit |
| Prefix | Netzanteil | Hostanteil | |
| 1. + 2. Byte | 3. + 4. Byte | ||
| (2 hoch 14) minus 2 Netze (2 hoch 16) minus 2 Hosts pro Netz | |||
| IP-Klasse C | 110 | 21 Bit | 8 Bit |
| Prefix | Netzanteil | Hostanteil | |
| 1. - 3. Byte | 4. Byte | ||
| (2 hoch 21) minus 2 Netze (2 hoch 8) minus 2 Hosts pro Netz | |||
| 0.0.0.0 | 00000000 | 00000000 | 00000000 | 00000000 | reserviert |
| 1.0.0.0 | 00000001 | 00000000 | 00000000 | 00000000 | |
| 2.0.0.0 | 00000010 | 00000000 | 00000000 | 00000000 | |
| ... | |||||
| 126.0.0.0 | 01111110 | 00000000 | 00000000 | 00000000 | |
| 127.0.0.0 | 01111111 | 00000000 | 00000000 | 00000000 | reserviert |
| 128.0.0.0 | 10000000 | 00000000 | 00000000 | 00000000 | reserviert |
| 128.1.0.0 | 10000000 | 00000001 | 00000000 | 00000000 | |
| 128.2.0.0 | 10000000 | 00000010 | 00000000 | 00000000 | |
| ... | |||||
| 191.254.0.0 | 10111111 | 11111110 | 00000000 | 00000000 | |
| 191.255.0.0 | 10111111 | 11111111 | 00000000 | 00000000 | reserviert |
| 192.0.0.0 | 11000000 | 00000000 | 00000000 | 00000000 | reserviert |
| 192.0.1.0 | 11000000 | 00000000 | 00000001 | 00000000 | |
| 192.0.2.0 | 11000000 | 00000000 | 00000010 | 00000000 | |
| ... | |||||
| 223.255.254.0 | 11011111 | 11111111 | 11111110 | 00000000 | |
| 223.255.255.0 | 11011111 | 11111111 | 11111111 | 00000000 | reserviert |
| 255.255.255.0 | 11111111 | 11111111 | 11111111 | 00000000 | subnetmask |
| 195.37.84.0 | 11000011 | 00100101 | 01010100 | 00000000 | network |
| 195.37.84.1 | 11000011 | 00100101 | 01010100 | 00000001 | host |
| 195.37.84.2 | 11000011 | 00100101 | 01010100 | 00000010 | host |
| ... | |||||
| 195.37.84.254 | 11000011 | 00100101 | 01010100 | 11111110 | host |
| 195.37.84.255 | 11000011 | 00100101 | 01010100 | 11111111 | host (broadcast) |
| 255.255.255.0 | 11111111 | 11111111 | 11111111 | 00000000 | subnetmask |
| 195.37.85.0 | 11000011 | 00100101 | 01010101 | 00000000 | network |
| 195.37.85.1 | 11000011 | 00100101 | 01010101 | 00000001 | host |
| 195.37.85.2 | 11000011 | 00100101 | 01010101 | 00000010 | host |
| ... | |||||
| 195.37.85.254 | 11000011 | 00100101 | 01010101 | 11111110 | host |
| 195.37.85.255 | 11000011 | 00100101 | 01010101 | 11111111 | host (broadcast) |
| 255.255.255.0 | 11111111 | 11111111 | 11111111 | 00000000 | subnetmask |
| 195.37.86.0 | 11000011 | 00100101 | 01010110 | 00000000 | network |
| 195.37.86.1 | 11000011 | 00100101 | 01010110 | 00000001 | host |
| 195.37.86.2 | 11000011 | 00100101 | 01010110 | 00000010 | host |
| ... | |||||
| 195.37.86.254 | 11000011 | 00100101 | 01010110 | 11111110 | host |
| 195.37.86.255 | 11000011 | 00100101 | 01010110 | 11111111 | host (broadcast) |
| 255.255.255.0 | 11111111 | 11111111 | 11111111 | 00000000 | subnetmask |
| 195.37.87.0 | 11000011 | 00100101 | 01010111 | 00000000 | network |
| 195.37.87.1 | 11000011 | 00100101 | 01010111 | 00000001 | host |
| 195.37.87.2 | 11000011 | 00100101 | 01010111 | 00000010 | host |
| ... | |||||
| 195.37.87.254 | 11000011 | 00100101 | 01010111 | 11111110 | host |
| 195.37.87.255 | 11000011 | 00100101 | 01010111 | 11111111 | host (broadcast) |
| 255.255.255.0 | 11111111 | 11111111 | 11111111 | 00000000 | subnetmask |
| 213.39.232.0 | 11010101 | 00100111 | 11101000 | 00000000 | network |
| 213.39.232.1 | 11010101 | 00100111 | 11101000 | 00000001 | host |
| 213.39.232.2 | 11010101 | 00100111 | 11101000 | 00000010 | host |
| ... | |||||
| 213.39.232.254 | 11010101 | 00100111 | 11101000 | 11111110 | host |
| 213.39.232.255 | 11010101 | 00100111 | 11101000 | 11111111 | host (broadcast) |
| 255.255.255.0 | 11111111 | 11111111 | 11111111 | 00000000 | subnetmask |
| 213.39.233.0 | 11010101 | 00100111 | 11101001 | 00000000 | network |
| 213.39.233.1 | 11010101 | 00100111 | 11101001 | 00000001 | host |
| 213.39.233.2 | 11010101 | 00100111 | 11101001 | 00000010 | host |
| ... | |||||
| 213.39.233.254 | 11010101 | 00100111 | 11101001 | 11111110 | host |
| 213.39.233.255 | 11010101 | 00100111 | 11101001 | 11111111 | host (broadcast) |
| 255.255.255.240 | 11111111 | 11111111 | 11111111 | 11110000 | subnetmask | |
| 213.39.232.0 | 11010101 | 00100111 | 11101000 | 00000000 | network | reserved |
| 213.39.232.1 | 11010101 | 00100111 | 11101000 | 00000001 | host | |
| 213.39.232.2 | 11010101 | 00100111 | 11101000 | 00000010 | host | |
| ... | ||||||
| 213.39.232.14 | 11010101 | 00100111 | 11101000 | 00001110 | host | |
| 213.39.232.15 | 11010101 | 00100111 | 11101000 | 00001111 | host (broadcast) | |
| 255.255.255.240 | 11111111 | 11111111 | 11111111 | 11110000 | subnetmask | |
| 213.39.232.16 | 11010101 | 00100111 | 11101000 | 00010000 | network | |
| 213.39.232.17 | 11010101 | 00100111 | 11101000 | 00010001 | host | |
| 213.39.232.18 | 11010101 | 00100111 | 11101000 | 00010010 | host | |
| ... | ||||||
| 213.39.232.30 | 11010101 | 00100111 | 11101000 | 00011110 | host | |
| 213.39.232.31 | 11010101 | 00100111 | 11101000 | 00011111 | host (broadcast) | |
| 255.255.255.240 | 11111111 | 11111111 | 11111111 | 11110000 | subnetmask | |
| 213.39.232.32 | 11010101 | 00100111 | 11101000 | 00100000 | network | |
| 213.39.232.33 | 11010101 | 00100111 | 11101000 | 00100001 | host | |
| 213.39.232.34 | 11010101 | 00100111 | 11101000 | 00100010 | host | |
| ... | ||||||
| 213.39.232.46 | 11010101 | 00100111 | 11101000 | 00101110 | host | |
| 213.39.232.47 | 11010101 | 00100111 | 11101000 | 00101111 | host (broadcast) | |
| 255.255.255.240 | 11111111 | 11111111 | 11111111 | 11110000 | subnetmask | |
| 213.39.232.48 | 11010101 | 00100111 | 11101000 | 00110000 | network | |
| 213.39.232.49 | 11010101 | 00100111 | 11101000 | 00110001 | host | |
| 213.39.232.50 | 11010101 | 00100111 | 11101000 | 00110010 | host | |
| ... | ||||||
| 213.39.232.62 | 11010101 | 00100111 | 11101000 | 00111110 | host | |
| 213.39.232.63 | 11010101 | 00100111 | 11101000 | 00111111 | host (broadcast) | |
| 255.255.255.240 | 11111111 | 11111111 | 11111111 | 11110000 | subnetmask | |
| 213.39.232.64 | 11010101 | 00100111 | 11101000 | 01000000 | network | |
| 213.39.232.65 | 11010101 | 00100111 | 11101000 | 01000001 | host | |
| 213.39.232.66 | 11010101 | 00100111 | 11101000 | 01000010 | host | |
| ... | ||||||
| 213.39.232.78 | 11010101 | 00100111 | 11101000 | 01001110 | host | |
| 213.39.232.79 | 11010101 | 00100111 | 11101000 | 01001111 | host (broadcast) | |
| ... | ||||||
| 255.255.255.240 | 11111111 | 11111111 | 11111111 | 11110000 | subnetmask | |
| 213.39.232.224 | 11010101 | 00100111 | 11101000 | 11100000 | network | |
| 213.39.232.225 | 11010101 | 00100111 | 11101000 | 11100001 | host | |
| 213.39.232.226 | 11010101 | 00100111 | 11101000 | 11100010 | host | |
| ... | ||||||
| 213.39.232.238 | 11010101 | 00100111 | 11101000 | 11101110 | host | |
| 213.39.232.239 | 11010101 | 00100111 | 11101000 | 11101111 | host (broadcast) | |
| 255.255.255.240 | 11111111 | 11111111 | 11111111 | 11110000 | subnetmask | |
| 213.39.232.240 | 11010101 | 00100111 | 11101000 | 11110000 | network | reserved |
| 213.39.232.241 | 11010101 | 00100111 | 11101000 | 11110001 | host | |
| 213.39.232.242 | 11010101 | 00100111 | 11101000 | 11110010 | host | |
| ... | ||||||
| 213.39.232.254 | 11010101 | 00100111 | 11101000 | 11111110 | host | |
| 213.39.232.255 | 11010101 | 00100111 | 11101000 | 11111111 | host (broadcast) | |