ip尋址ipaddress-全文預(yù)覽
【正文】 rved. . 13 Exercise: IP Address Classes Address Class Network Host 169。 2020, Shenzhen Polytechnic. All rights reserved. . 11 保留地址（ Reserved Address） 保留地址 指某些地址不能分配網(wǎng)絡(luò)上的設(shè)備使用 Certain host addresses are reserved and cannot be assigned to devices on a work. 0表示網(wǎng)絡(luò)地址 An IP address that has binary 0s in all host bit positions is reserved for the work address. 1表示廣播地址 An IP address that has binary 1s in all host bit positions is reserved for the broadcast address. 0的 IP地址，即 。 2020, Shenzhen Polytechnic. All rights reserved. . 7 A類地址（ Class A） 地址范圍： 1~126(127保留 ) Address Range:1126(127 Reserved) 169。 Each puter in a TCP/IP work must be given a unique identifier, or IP address. An IP address is a 32bit sequence of 1s and 0s. 169。169。 2020, Shenzhen Polytechnic. All rights reserved. . 3 IP地址（ IP Address） IP地址唯一的標(biāo)識網(wǎng)絡(luò)上計算機， IP地址就是由0和 1組成的 32位字符串。 2020, Shenzhen Polytechnic. All rights reserved. . 6 IP地址的類別（ Class of IP Address） 169。 2020, Shenzhen Polytechnic. All rights reserved. . 10 地址分配（ Address Allocating） 分配 A類 IP：國際網(wǎng)絡(luò)信息中心 NIC 分配 B類 IP： InterNIC、 APNIC、 ENIC 分配 C類 IP：國家或地區(qū)的 NIC 169。 2020, Shenzhen Polytechnic. All rights reserved. . 12 私有地址 （ Private IP Address） 1. 私有地址可以節(jié)省 IP地址 Private IP addresses are another solution to the problem of the impending exhaustion of public IP addresses. 2. 私有地址不能在 Inter上被路由 Private IP addresses are not routed on the Inter backbone. 169。 2020, Shenzhen Polytechnic. All rights reserved. . 16 網(wǎng)絡(luò)掩碼的作用（ Function of Network Mask） 10101100 00010000 00000010 10100000 ? 11111111 11111111 00000000 00000000 10101100 00010000 00000000 00000000 Network ID 169。 2020, Shenzhen Polytechnic. All rights reserved. . 19 介紹子網(wǎng)劃分（ Introduction to Subting） 劃分子網(wǎng)要從主機位借位 Host bits must are reassigned (or “borrowed”) as work bits. 3 bits borrowed allows 232 or 6 subs 5 bits borrowed allows 252 or 30 subs 12 bits borrowed allows 2122 or 4094 subs 169。 2020, Shenzhen Polytechnic. All rights reserved. . 23 實例 2： C類地址 4位子網(wǎng)化 （ 4 Bits Subting for Class C ） 組合 子網(wǎng)號
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