IP 218.223.139.0:11011010.11011111.10001011.00000000/25:11111111.11111111.11111111.10000000 128/26:11111111.11111111.11111111.11000000 64/27:11111111.11111111.11111111.11100000 32/28:11111111.11111111.11111111.11110000 16/29:11111111.11111111.11111111.11111000 8全范围是218.223.139.0开始到 218.223.139.12711011010.11011111.10001011.00000000 ->11011010.11011111.10001011.01111111xxx.xxx.xxx.0はネットワークアドレス(ホスト部が全て0)xxx.xxx.xxx..127はブロードキャストアドレス(ホスト部が全て1)第一种分割法NetWwork:A 6Host:NETWORK ADDRESS:218.223.139.0/28 BROADCAST ADDRESS :218.223.139.15NetWwork:B 12Host:NETWORK ADDRESS:218.223.139.16/28 BROADCAST ADDRESS :218.223.139.31NetWwork:C 25Host:NETWORK ADDRESS:218.223.139.32/27 BROADCAST ADDRESS :218.223.139.63NetWwork 50Host:NETWORK ADDRESS:218.223.139.64/26 BROADCAST ADDRESS :218.223.139.127第二种分割法NetWwork:A 6Host:NETWORK ADDRESS:218.223.139.112/29 BROADCAST ADDRESS :218.223.139.119NetWwork:B 12Host:NETWORK ADDRESS:218.223.139.96/28 BROADCAST ADDRESS :218.223.139.111NetWwork:C 25Host:NETWORK ADDRESS:218.223.139.64/27 BROADCAST ADDRESS :218.223.139.95NetWwork 50Host:NETWORK ADDRESS:218.223.139.0/26 BROADCAST ADDRESS :218.223.139.63
[此贴子已经被作者于2007-2-4 3:27:51编辑过] |