| 254 | 126 | 62 | 30 | 14 | 6 | 2 | 0 | Subnets < | |||||
| 128 | 64 | 32 | 16 | 8 | 4 | 2 | 1 | Range > | |||||
| 128 | 192 | 224 | 240 | 248 | 252 | 254 | 255 | Subnet Mask > | |||||
| * SUBTRACT 2 FOR THE MAXIMUM NUMBER OF HOST ADDRESSES AVAILABLE | |||||||||||||
| 4,294,967,296 2,147,483,648 1,073,741,824 536,870,912 268,435,456 134,217,728 67,108,864 33,554,432 CLASS A HOSTS 16,777,216 8,388,608 4,194,304 2,097,152 1,048,576 524,288 262,144 131,072 CLASS B HOSTS 65,536 32,768 16,384 8,192 4,096 2,048 1,024 512 CLASS C HOSTS 256 128 64 32 16 8 4 2 |
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| CLASS A | 1-126 | ||||||||||||
| LOOPBACK | 127 DIAGNOSITC | ||||||||||||
| CLASS B | 128-191 | ||||||||||||
| CLASS C | 192-223 | ||||||||||||
| EXAMPLE OF SUBNETTED CLASS B INTO 6 CLASS C SUBNETS: RANGE = 32; MASK = 224 | |||||||||||||
| XXX | 0-31 | CAN'T USE ANY - CONTAINS ALL ZEROS | |||||||||||
| 32-63 | CAN'T USE 32 (ALL 0'S) AND 63 (ALL 1'S) | ||||||||||||
| 64-95 | CAN'T USE 64 (ALL 0'S) AND 95 (ALL 2'S) | ||||||||||||
| 96-127 | CAN'T USE 96 (ALL 0'S) AND 127 (ALL 1'S) | ||||||||||||
| 128-159 | CAN'T USE 128 (ALL 0'S AND 159 (ALL 1'S) | ||||||||||||
| 160-191 | CAN'T USE 160 (ALL 0'S AND 191 (ALL 1'S) | ||||||||||||
| 192-223 | CAN'T USE 192 (ALL 0'S AND 223 (ALL1'S) | ||||||||||||
| XXX | 224-255 | CAN'T USE ANY - CONTAINS 255 | |||||||||||
| AN EXAMPLE OF A VALID IP ADDRESS IS 129.119.107.33 | |||||||||||||
| THE SUBNET MASK IS 255.255.255.224 | |||||||||||||
| WINS NODE TYPES | |||||||||||||
| 1 = B-NODE = BROADCAST | |||||||||||||
| 2 = P-NODE = PEER TO PEER | |||||||||||||
| 4 = M-NODE = MIXED (BROADCAST THEN WINS) | |||||||||||||
| 8 = H-NODE = HYBRID (WINS THEN BROADCAST) ****** PREFERRED | |||||||||||||
| WINS NETBIOS 16TH CHARACTER DESCRIPTION | WORKGROUP | ||||||||||||
| 16TH BIT | COMPUTER | OR DOMAIN | |||||||||||
| 00 | WORKSTATION SERVICE | DOMAIN NAME | |||||||||||
| 03 | MESSENGER SERVICE | USERNAME | |||||||||||
| 06 | ROUTER OR MULTI-HOMED PC | ||||||||||||
| 06 | RAS SERVER SERVICE | ||||||||||||
| 20 | SERVER SERVICE | ||||||||||||
| 1B | DOMAIN MASTER BROWSER | ||||||||||||
| 1B | PDC | ||||||||||||
| 1C | DOMAIN CONTROLLER | ||||||||||||
| 1D | LOCAL MASTER BROWSER | ||||||||||||
| 1E | BROWSER ELECTIONS | ||||||||||||