Freescale Semiconductor TWR-MCF52259-Ethenet User Manual page 25

With IP V4, there are
To solve this problem,
IP addresses consists of 2 parts, a node address and a network
address.
The class of the address and the subnet mask determine which part
belongs to the network address and which part belongs to the node
address.
Each class is defined by the first 4 bits of the IP address.
Class A = 0xxx, or 1 to 126
•
Class B = 10xx, or 128 to 191
•
Class C = 110x, or 192 to 223
•
Class D = 1110, or 224 to 239
•
Class E = 1111, or 240 to 254
•
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not enough IP addresses
subnetting is used.
IP Classes
for everbody.
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