IP 地址列表: 123.*.*.* (123.0.*.* - 123.255.*.*)

IPSHU ^©

您在這裡

這是第壹個字節為123，第二個字節在0 - 255之間，第三、第四字節可變動（下面為星號）的IP地址列表，表示為123.*.*.* (123.0.0.0 - 123.255.255.255)。

這個IP地址列表中包含256 * 256 * 256 = 16,777,216個IP地址，我們以其中壹個IP地址123.1.1.1為例，來描述這個IP的屬性：

第一個 IP 地址示例

但這只是其中1個IP地址的例子，並不代表這個列表中所有的IP地址都有同樣的屬性，如果需要了解其它IP和更詳細的IP地址段信息，請點擊下面列表中的標題鏈接。

IPv4: 123 Network Class, Net ID, Host ID

二進制、十進制和十六進制的 IP 地址說明 IP 地址類別 A/B/C/D/E 和網絡 ID、主機 ID 的說明

內容:

2. A類IP地址列表

A類IP地址是指：在IP地址的四段號碼（例如：字節1.字節2.字節3.字節4）中，第壹段號碼（字節1）為網絡號碼，剩下的後三段號碼（字節2.字節3.字節4）為本地計算機的號碼。

如果用二進制表示IP地址的話，A類IP地址就由1字節的網絡地址和3字節主機地址組成，網絡地址的最高位必須是'0'。

A類IP地址範圍：1.0.0.0 ~ 127.255.255.255，可用IP地址範圍：1.0.0.1 ~ 127.255.255.254。

A類IP地址中網絡的標識長度為7位，主機標識的長度為24位，A類網絡地址數量較少（2 ^ 7 - 2 = 126個），可以用於容納1600多萬計算機的大型網絡（2 ^ 24 - 2 = 16777214個）。

如果您需要了解A類IP段更詳細的IP地址信息，請點擊A類IP地址列表中的標題鏈接。

123.0.*.*(123.0.0.0 - 123.0.255.255)
123.1.*.*(123.1.0.0 - 123.1.255.255)
123.2.*.*(123.2.0.0 - 123.2.255.255)
123.3.*.*(123.3.0.0 - 123.3.255.255)
123.4.*.*(123.4.0.0 - 123.4.255.255)
123.5.*.*(123.5.0.0 - 123.5.255.255)
123.6.*.*(123.6.0.0 - 123.6.255.255)
123.7.*.*(123.7.0.0 - 123.7.255.255)
123.8.*.*(123.8.0.0 - 123.8.255.255)
123.9.*.*(123.9.0.0 - 123.9.255.255)
123.10.*.*(123.10.0.0 - 123.10.255.255)
123.11.*.*(123.11.0.0 - 123.11.255.255)
123.12.*.*(123.12.0.0 - 123.12.255.255)
123.13.*.*(123.13.0.0 - 123.13.255.255)
123.14.*.*(123.14.0.0 - 123.14.255.255)
123.15.*.*(123.15.0.0 - 123.15.255.255)
123.16.*.*(123.16.0.0 - 123.16.255.255)
123.17.*.*(123.17.0.0 - 123.17.255.255)
123.18.*.*(123.18.0.0 - 123.18.255.255)
123.19.*.*(123.19.0.0 - 123.19.255.255)
123.20.*.*(123.20.0.0 - 123.20.255.255)
123.21.*.*(123.21.0.0 - 123.21.255.255)
123.22.*.*(123.22.0.0 - 123.22.255.255)
123.23.*.*(123.23.0.0 - 123.23.255.255)
123.24.*.*(123.24.0.0 - 123.24.255.255)
123.25.*.*(123.25.0.0 - 123.25.255.255)
123.26.*.*(123.26.0.0 - 123.26.255.255)
123.27.*.*(123.27.0.0 - 123.27.255.255)
123.28.*.*(123.28.0.0 - 123.28.255.255)
123.29.*.*(123.29.0.0 - 123.29.255.255)
123.30.*.*(123.30.0.0 - 123.30.255.255)
123.31.*.*(123.31.0.0 - 123.31.255.255)
123.32.*.*(123.32.0.0 - 123.32.255.255)
123.33.*.*(123.33.0.0 - 123.33.255.255)
123.34.*.*(123.34.0.0 - 123.34.255.255)
123.35.*.*(123.35.0.0 - 123.35.255.255)
123.36.*.*(123.36.0.0 - 123.36.255.255)
123.37.*.*(123.37.0.0 - 123.37.255.255)
123.38.*.*(123.38.0.0 - 123.38.255.255)
123.39.*.*(123.39.0.0 - 123.39.255.255)
123.40.*.*(123.40.0.0 - 123.40.255.255)
123.41.*.*(123.41.0.0 - 123.41.255.255)
123.42.*.*(123.42.0.0 - 123.42.255.255)
123.43.*.*(123.43.0.0 - 123.43.255.255)
123.44.*.*(123.44.0.0 - 123.44.255.255)
123.45.*.*(123.45.0.0 - 123.45.255.255)
123.46.*.*(123.46.0.0 - 123.46.255.255)
123.47.*.*(123.47.0.0 - 123.47.255.255)
123.48.*.*(123.48.0.0 - 123.48.255.255)
123.49.*.*(123.49.0.0 - 123.49.255.255)
123.50.*.*(123.50.0.0 - 123.50.255.255)
123.51.*.*(123.51.0.0 - 123.51.255.255)
123.52.*.*(123.52.0.0 - 123.52.255.255)
123.53.*.*(123.53.0.0 - 123.53.255.255)
123.54.*.*(123.54.0.0 - 123.54.255.255)
123.55.*.*(123.55.0.0 - 123.55.255.255)
123.56.*.*(123.56.0.0 - 123.56.255.255)
123.57.*.*(123.57.0.0 - 123.57.255.255)
123.58.*.*(123.58.0.0 - 123.58.255.255)
123.59.*.*(123.59.0.0 - 123.59.255.255)
123.60.*.*(123.60.0.0 - 123.60.255.255)
123.61.*.*(123.61.0.0 - 123.61.255.255)
123.62.*.*(123.62.0.0 - 123.62.255.255)
123.63.*.*(123.63.0.0 - 123.63.255.255)
123.64.*.*(123.64.0.0 - 123.64.255.255)
123.65.*.*(123.65.0.0 - 123.65.255.255)
123.66.*.*(123.66.0.0 - 123.66.255.255)
123.67.*.*(123.67.0.0 - 123.67.255.255)
123.68.*.*(123.68.0.0 - 123.68.255.255)
123.69.*.*(123.69.0.0 - 123.69.255.255)
123.70.*.*(123.70.0.0 - 123.70.255.255)
123.71.*.*(123.71.0.0 - 123.71.255.255)
123.72.*.*(123.72.0.0 - 123.72.255.255)
123.73.*.*(123.73.0.0 - 123.73.255.255)
123.74.*.*(123.74.0.0 - 123.74.255.255)
123.75.*.*(123.75.0.0 - 123.75.255.255)
123.76.*.*(123.76.0.0 - 123.76.255.255)
123.77.*.*(123.77.0.0 - 123.77.255.255)
123.78.*.*(123.78.0.0 - 123.78.255.255)
123.79.*.*(123.79.0.0 - 123.79.255.255)
123.80.*.*(123.80.0.0 - 123.80.255.255)
123.81.*.*(123.81.0.0 - 123.81.255.255)
123.82.*.*(123.82.0.0 - 123.82.255.255)
123.83.*.*(123.83.0.0 - 123.83.255.255)
123.84.*.*(123.84.0.0 - 123.84.255.255)
123.85.*.*(123.85.0.0 - 123.85.255.255)
123.86.*.*(123.86.0.0 - 123.86.255.255)
123.87.*.*(123.87.0.0 - 123.87.255.255)
123.88.*.*(123.88.0.0 - 123.88.255.255)
123.89.*.*(123.89.0.0 - 123.89.255.255)
123.90.*.*(123.90.0.0 - 123.90.255.255)
123.91.*.*(123.91.0.0 - 123.91.255.255)
123.92.*.*(123.92.0.0 - 123.92.255.255)
123.93.*.*(123.93.0.0 - 123.93.255.255)
123.94.*.*(123.94.0.0 - 123.94.255.255)
123.95.*.*(123.95.0.0 - 123.95.255.255)
123.96.*.*(123.96.0.0 - 123.96.255.255)
123.97.*.*(123.97.0.0 - 123.97.255.255)
123.98.*.*(123.98.0.0 - 123.98.255.255)
123.99.*.*(123.99.0.0 - 123.99.255.255)
123.100.*.*(123.100.0.0 - 123.100.255.255)
123.101.*.*(123.101.0.0 - 123.101.255.255)
123.102.*.*(123.102.0.0 - 123.102.255.255)
123.103.*.*(123.103.0.0 - 123.103.255.255)
123.104.*.*(123.104.0.0 - 123.104.255.255)
123.105.*.*(123.105.0.0 - 123.105.255.255)
123.106.*.*(123.106.0.0 - 123.106.255.255)
123.107.*.*(123.107.0.0 - 123.107.255.255)
123.108.*.*(123.108.0.0 - 123.108.255.255)
123.109.*.*(123.109.0.0 - 123.109.255.255)
123.110.*.*(123.110.0.0 - 123.110.255.255)
123.111.*.*(123.111.0.0 - 123.111.255.255)
123.112.*.*(123.112.0.0 - 123.112.255.255)
123.113.*.*(123.113.0.0 - 123.113.255.255)
123.114.*.*(123.114.0.0 - 123.114.255.255)
123.115.*.*(123.115.0.0 - 123.115.255.255)
123.116.*.*(123.116.0.0 - 123.116.255.255)
123.117.*.*(123.117.0.0 - 123.117.255.255)
123.118.*.*(123.118.0.0 - 123.118.255.255)
123.119.*.*(123.119.0.0 - 123.119.255.255)
123.120.*.*(123.120.0.0 - 123.120.255.255)
123.121.*.*(123.121.0.0 - 123.121.255.255)
123.122.*.*(123.122.0.0 - 123.122.255.255)
123.123.*.*(123.123.0.0 - 123.123.255.255)
123.124.*.*(123.124.0.0 - 123.124.255.255)
123.125.*.*(123.125.0.0 - 123.125.255.255)
123.126.*.*(123.126.0.0 - 123.126.255.255)
123.127.*.*(123.127.0.0 - 123.127.255.255)
123.128.*.*(123.128.0.0 - 123.128.255.255)
123.129.*.*(123.129.0.0 - 123.129.255.255)
123.130.*.*(123.130.0.0 - 123.130.255.255)
123.131.*.*(123.131.0.0 - 123.131.255.255)
123.132.*.*(123.132.0.0 - 123.132.255.255)
123.133.*.*(123.133.0.0 - 123.133.255.255)
123.134.*.*(123.134.0.0 - 123.134.255.255)
123.135.*.*(123.135.0.0 - 123.135.255.255)
123.136.*.*(123.136.0.0 - 123.136.255.255)
123.137.*.*(123.137.0.0 - 123.137.255.255)
123.138.*.*(123.138.0.0 - 123.138.255.255)
123.139.*.*(123.139.0.0 - 123.139.255.255)
123.140.*.*(123.140.0.0 - 123.140.255.255)
123.141.*.*(123.141.0.0 - 123.141.255.255)
123.142.*.*(123.142.0.0 - 123.142.255.255)
123.143.*.*(123.143.0.0 - 123.143.255.255)
123.144.*.*(123.144.0.0 - 123.144.255.255)
123.145.*.*(123.145.0.0 - 123.145.255.255)
123.146.*.*(123.146.0.0 - 123.146.255.255)
123.147.*.*(123.147.0.0 - 123.147.255.255)
123.148.*.*(123.148.0.0 - 123.148.255.255)
123.149.*.*(123.149.0.0 - 123.149.255.255)
123.150.*.*(123.150.0.0 - 123.150.255.255)
123.151.*.*(123.151.0.0 - 123.151.255.255)
123.152.*.*(123.152.0.0 - 123.152.255.255)
123.153.*.*(123.153.0.0 - 123.153.255.255)
123.154.*.*(123.154.0.0 - 123.154.255.255)
123.155.*.*(123.155.0.0 - 123.155.255.255)
123.156.*.*(123.156.0.0 - 123.156.255.255)
123.157.*.*(123.157.0.0 - 123.157.255.255)
123.158.*.*(123.158.0.0 - 123.158.255.255)
123.159.*.*(123.159.0.0 - 123.159.255.255)
123.160.*.*(123.160.0.0 - 123.160.255.255)
123.161.*.*(123.161.0.0 - 123.161.255.255)
123.162.*.*(123.162.0.0 - 123.162.255.255)
123.163.*.*(123.163.0.0 - 123.163.255.255)
123.164.*.*(123.164.0.0 - 123.164.255.255)
123.165.*.*(123.165.0.0 - 123.165.255.255)
123.166.*.*(123.166.0.0 - 123.166.255.255)
123.167.*.*(123.167.0.0 - 123.167.255.255)
123.168.*.*(123.168.0.0 - 123.168.255.255)
123.169.*.*(123.169.0.0 - 123.169.255.255)
123.170.*.*(123.170.0.0 - 123.170.255.255)
123.171.*.*(123.171.0.0 - 123.171.255.255)
123.172.*.*(123.172.0.0 - 123.172.255.255)
123.173.*.*(123.173.0.0 - 123.173.255.255)
123.174.*.*(123.174.0.0 - 123.174.255.255)
123.175.*.*(123.175.0.0 - 123.175.255.255)
123.176.*.*(123.176.0.0 - 123.176.255.255)
123.177.*.*(123.177.0.0 - 123.177.255.255)
123.178.*.*(123.178.0.0 - 123.178.255.255)
123.179.*.*(123.179.0.0 - 123.179.255.255)
123.180.*.*(123.180.0.0 - 123.180.255.255)
123.181.*.*(123.181.0.0 - 123.181.255.255)
123.182.*.*(123.182.0.0 - 123.182.255.255)
123.183.*.*(123.183.0.0 - 123.183.255.255)
123.184.*.*(123.184.0.0 - 123.184.255.255)
123.185.*.*(123.185.0.0 - 123.185.255.255)
123.186.*.*(123.186.0.0 - 123.186.255.255)
123.187.*.*(123.187.0.0 - 123.187.255.255)
123.188.*.*(123.188.0.0 - 123.188.255.255)
123.189.*.*(123.189.0.0 - 123.189.255.255)
123.190.*.*(123.190.0.0 - 123.190.255.255)
123.191.*.*(123.191.0.0 - 123.191.255.255)
123.192.*.*(123.192.0.0 - 123.192.255.255)
123.193.*.*(123.193.0.0 - 123.193.255.255)
123.194.*.*(123.194.0.0 - 123.194.255.255)
123.195.*.*(123.195.0.0 - 123.195.255.255)
123.196.*.*(123.196.0.0 - 123.196.255.255)
123.197.*.*(123.197.0.0 - 123.197.255.255)
123.198.*.*(123.198.0.0 - 123.198.255.255)
123.199.*.*(123.199.0.0 - 123.199.255.255)
123.200.*.*(123.200.0.0 - 123.200.255.255)
123.201.*.*(123.201.0.0 - 123.201.255.255)
123.202.*.*(123.202.0.0 - 123.202.255.255)
123.203.*.*(123.203.0.0 - 123.203.255.255)
123.204.*.*(123.204.0.0 - 123.204.255.255)
123.205.*.*(123.205.0.0 - 123.205.255.255)
123.206.*.*(123.206.0.0 - 123.206.255.255)
123.207.*.*(123.207.0.0 - 123.207.255.255)
123.208.*.*(123.208.0.0 - 123.208.255.255)
123.209.*.*(123.209.0.0 - 123.209.255.255)
123.210.*.*(123.210.0.0 - 123.210.255.255)
123.211.*.*(123.211.0.0 - 123.211.255.255)
123.212.*.*(123.212.0.0 - 123.212.255.255)
123.213.*.*(123.213.0.0 - 123.213.255.255)
123.214.*.*(123.214.0.0 - 123.214.255.255)
123.215.*.*(123.215.0.0 - 123.215.255.255)
123.216.*.*(123.216.0.0 - 123.216.255.255)
123.217.*.*(123.217.0.0 - 123.217.255.255)
123.218.*.*(123.218.0.0 - 123.218.255.255)
123.219.*.*(123.219.0.0 - 123.219.255.255)
123.220.*.*(123.220.0.0 - 123.220.255.255)
123.221.*.*(123.221.0.0 - 123.221.255.255)
123.222.*.*(123.222.0.0 - 123.222.255.255)
123.223.*.*(123.223.0.0 - 123.223.255.255)
123.224.*.*(123.224.0.0 - 123.224.255.255)
123.225.*.*(123.225.0.0 - 123.225.255.255)
123.226.*.*(123.226.0.0 - 123.226.255.255)
123.227.*.*(123.227.0.0 - 123.227.255.255)
123.228.*.*(123.228.0.0 - 123.228.255.255)
123.229.*.*(123.229.0.0 - 123.229.255.255)
123.230.*.*(123.230.0.0 - 123.230.255.255)
123.231.*.*(123.231.0.0 - 123.231.255.255)
123.232.*.*(123.232.0.0 - 123.232.255.255)
123.233.*.*(123.233.0.0 - 123.233.255.255)
123.234.*.*(123.234.0.0 - 123.234.255.255)
123.235.*.*(123.235.0.0 - 123.235.255.255)
123.236.*.*(123.236.0.0 - 123.236.255.255)
123.237.*.*(123.237.0.0 - 123.237.255.255)
123.238.*.*(123.238.0.0 - 123.238.255.255)
123.239.*.*(123.239.0.0 - 123.239.255.255)
123.240.*.*(123.240.0.0 - 123.240.255.255)
123.241.*.*(123.241.0.0 - 123.241.255.255)
123.242.*.*(123.242.0.0 - 123.242.255.255)
123.243.*.*(123.243.0.0 - 123.243.255.255)
123.244.*.*(123.244.0.0 - 123.244.255.255)
123.245.*.*(123.245.0.0 - 123.245.255.255)
123.246.*.*(123.246.0.0 - 123.246.255.255)
123.247.*.*(123.247.0.0 - 123.247.255.255)
123.248.*.*(123.248.0.0 - 123.248.255.255)
123.249.*.*(123.249.0.0 - 123.249.255.255)
123.250.*.*(123.250.0.0 - 123.250.255.255)
123.251.*.*(123.251.0.0 - 123.251.255.255)
123.252.*.*(123.252.0.0 - 123.252.255.255)
123.253.*.*(123.253.0.0 - 123.253.255.255)
123.254.*.*(123.254.0.0 - 123.254.255.255)
123.255.*.*(123.255.0.0 - 123.255.255.255)

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您在這裡

IP 地址列表: 123...* (123.0.. - 123.255..)

內容:

1. 第一個 IP 地址示例

2. A類IP地址列表

3. 最後一個 IP 地址示例

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