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| クラスＡＩＰアドレス | |||
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| クラス A IP アドレス (A unicast IP address that ranges from 1.0.0.1 through 127.255.255.254. The first octet indicates the network, and the last three octets indicate the host on the network. Class-based IP addressing has been superceded by Classless Interdomain Routing (CIDR)) | |||
