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Table 1. Decimal Equivalents for Netmasking

128 64 32 16 8 4 2 1 decimal
1 0 0 0 0 0 0 0 128
1 1 0 0 0 0 0 0 192
1 1 1 0 0 0 0 0 224
1 1 1 1 0 0 0 0 240
1 1 1 1 1 0 0 0 248
1 1 1 1 1 1 0 0 252
1 1 1 1 1 1 1 0 254
1 1 1 1 1 1 1 1 255
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