从IP地址的第一段（最左边字节）可以判断它属于A、B、C哪类网络。对不对

网上有很多查询网站。如www.ip138.com

所谓A类IP地址,即:一个A类IP地址由1字节（每个字节是8位）的网络地址和3个字节主机地址组成，网络地址的最高位必须是“0”,即第一段数字范围为1～127。每个A类地址可连接16387064台主机，Internet有126个A类地址。
但中国分配了多少呢?我帮你查了下,累死了... 追加点分哦!

中国的 A类IP地址列表:
58.14.0.0～58.63.255.255
58.64.128.0～58.64.255.255
58.66.0.0～58.67.255.255
58.68.128.0～58.68.255.255
58.82.0.0～58.82.142.255
58.82.144.0～58.83.255.255
58.86.0.0～58.86.255.255
58.87.64.0～58.87.127.255
58.99.0.0～58.101.255.255
58.114.0.0～58.119.255.255
58.128.0.0～58.135.255.255
58.144.0.0～58.144.255.255
58.152.0.0～58.155.255.255
58.176.0.0～58.177.255.255
58.192.0.0～58.223.255.255
58.240.0.0～58.255.255.255
59.32.0.0～59.83.255.255
59.104.0.0～59.105.255.255
59.107.0.0～59.127.255.255
59.148.0.0～59.149.255.255
59.151.0.0～59.151.127.255
59.152.192.0～59.152.223.255
59.