试辩认以下IP地址的网络类别: ①128.136.199.3 ②21.142.240.17 ③192.152.69.248 ④89.3.0.1 ⑤200.13.232.2
正确答案:
①128.136.199.3:B类
②21.142.240.17:A类
③192.152.69.248:C类
④89.3.0.1:A类
⑤200.13.232.2:C类
②21.142.240.17:A类
③192.152.69.248:C类
④89.3.0.1:A类
⑤200.13.232.2:C类
答案解析:有

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