Notes for Class 2
Binary 101
| 128 | 64 | 32 | 16 | 8 | 4 | 2 | 1 |
| 00000000 = 0 | 11111111 = 255 | |
| 00000001 = 1 | 11111110 = 254 | |
| 00000011 = 3 | 11111100 = 252 | |
| 00000111 = 7 | 11111000 = 248 | |
| 00001111 = 15 | 11110000 = 240 | |
| 00011111 = 31 | 11100000 = 224 | |
| 00111111 = 63 | 11000000 = 192 | |
| 01111111 = 127 | 10000000 = 128 |
IP 101 4 sets of 8 (octaves) seperated by a period.
Class A 1-126.x.x.x
Class B 128-191.y.x.x
Class C 192 - 223.y.y.x
Class D Broadcast
127 loopback
| Class A | 122 | 28 | 32 | 244 |
| Class B | 129 | 219 | 222 | 250 |
| Class C | 192 | 21 | 33 | 214 |