IP 位址列表: 27.0.*.* (27.0.0.* - 27.0.255.*) | IP 位址 - IPSHU

您在這裡

這是第壹個字節為27，第二個字節為0，第三個字節在0 - 255之間，第四字節可變動（下面為星號）的 IP 位址列表，表示為27.0.*.* (27.0.0.0 - 27.0.255.255)。

這個 IP 位址列表中包含256 * 256 = 65,536個 IP 位址，我們以其中壹個 IP 位址27.0.1.1為例，來描述這個IP的屬性：

首個 IP 位址範例

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

IPv4: 27.0 Network Class, Net ID, Host ID

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

內容:

2. A 類別 IP 位址列表

在歷史上的「分類」定址系統中，A 類 IP 位址 是為超大型網路設計的一部分範圍。其結構分為兩個主要部分：第一個數字（第一個位元組）用於識別網路，而最後三個數字（最後三個位元組）用於識別該網路內的個別裝置（或主機）。A 類位址的一個關鍵技術規則是，在其二進位形式中，第一位元必須始終為 0。

這種結構定義了可用的 A 類位址範圍為 1.0.0.0 到 126.255.255.255（127.x.x.x 位址區塊被保留用於回送等特殊目的）。這導致了 A 類網路可能存在的數量很少（只有 126 個），但每個網路都可以支援海量裝置：超過 1600 萬台主機 (2²⁴ - 2)。

要了解有關此類中特定網路區塊的更多詳細資訊，您可以點擊下面列表中的條目。

27.0.0.*(27.0.0.0 - 27.0.0.254)
27.0.1.*(27.0.1.0 - 27.0.1.254)
27.0.2.*(27.0.2.0 - 27.0.2.254)
27.0.3.*(27.0.3.0 - 27.0.3.254)
27.0.4.*(27.0.4.0 - 27.0.4.254)
27.0.5.*(27.0.5.0 - 27.0.5.254)
27.0.6.*(27.0.6.0 - 27.0.6.254)
27.0.7.*(27.0.7.0 - 27.0.7.254)
27.0.8.*(27.0.8.0 - 27.0.8.254)
27.0.9.*(27.0.9.0 - 27.0.9.254)
27.0.10.*(27.0.10.0 - 27.0.10.254)
27.0.11.*(27.0.11.0 - 27.0.11.254)
27.0.12.*(27.0.12.0 - 27.0.12.254)
27.0.13.*(27.0.13.0 - 27.0.13.254)
27.0.14.*(27.0.14.0 - 27.0.14.254)
27.0.15.*(27.0.15.0 - 27.0.15.254)
27.0.16.*(27.0.16.0 - 27.0.16.254)
27.0.17.*(27.0.17.0 - 27.0.17.254)
27.0.18.*(27.0.18.0 - 27.0.18.254)
27.0.19.*(27.0.19.0 - 27.0.19.254)
27.0.20.*(27.0.20.0 - 27.0.20.254)
27.0.21.*(27.0.21.0 - 27.0.21.254)
27.0.22.*(27.0.22.0 - 27.0.22.254)
27.0.23.*(27.0.23.0 - 27.0.23.254)
27.0.24.*(27.0.24.0 - 27.0.24.254)
27.0.25.*(27.0.25.0 - 27.0.25.254)
27.0.26.*(27.0.26.0 - 27.0.26.254)
27.0.27.*(27.0.27.0 - 27.0.27.254)
27.0.28.*(27.0.28.0 - 27.0.28.254)
27.0.29.*(27.0.29.0 - 27.0.29.254)
27.0.30.*(27.0.30.0 - 27.0.30.254)
27.0.31.*(27.0.31.0 - 27.0.31.254)
27.0.32.*(27.0.32.0 - 27.0.32.254)
27.0.33.*(27.0.33.0 - 27.0.33.254)
27.0.34.*(27.0.34.0 - 27.0.34.254)
27.0.35.*(27.0.35.0 - 27.0.35.254)
27.0.36.*(27.0.36.0 - 27.0.36.254)
27.0.37.*(27.0.37.0 - 27.0.37.254)
27.0.38.*(27.0.38.0 - 27.0.38.254)
27.0.39.*(27.0.39.0 - 27.0.39.254)
27.0.40.*(27.0.40.0 - 27.0.40.254)
27.0.41.*(27.0.41.0 - 27.0.41.254)
27.0.42.*(27.0.42.0 - 27.0.42.254)
27.0.43.*(27.0.43.0 - 27.0.43.254)
27.0.44.*(27.0.44.0 - 27.0.44.254)
27.0.45.*(27.0.45.0 - 27.0.45.254)
27.0.46.*(27.0.46.0 - 27.0.46.254)
27.0.47.*(27.0.47.0 - 27.0.47.254)
27.0.48.*(27.0.48.0 - 27.0.48.254)
27.0.49.*(27.0.49.0 - 27.0.49.254)
27.0.50.*(27.0.50.0 - 27.0.50.254)
27.0.51.*(27.0.51.0 - 27.0.51.254)
27.0.52.*(27.0.52.0 - 27.0.52.254)
27.0.53.*(27.0.53.0 - 27.0.53.254)
27.0.54.*(27.0.54.0 - 27.0.54.254)
27.0.55.*(27.0.55.0 - 27.0.55.254)
27.0.56.*(27.0.56.0 - 27.0.56.254)
27.0.57.*(27.0.57.0 - 27.0.57.254)
27.0.58.*(27.0.58.0 - 27.0.58.254)
27.0.59.*(27.0.59.0 - 27.0.59.254)
27.0.60.*(27.0.60.0 - 27.0.60.254)
27.0.61.*(27.0.61.0 - 27.0.61.254)
27.0.62.*(27.0.62.0 - 27.0.62.254)
27.0.63.*(27.0.63.0 - 27.0.63.254)
27.0.64.*(27.0.64.0 - 27.0.64.254)
27.0.65.*(27.0.65.0 - 27.0.65.254)
27.0.66.*(27.0.66.0 - 27.0.66.254)
27.0.67.*(27.0.67.0 - 27.0.67.254)
27.0.68.*(27.0.68.0 - 27.0.68.254)
27.0.69.*(27.0.69.0 - 27.0.69.254)
27.0.70.*(27.0.70.0 - 27.0.70.254)
27.0.71.*(27.0.71.0 - 27.0.71.254)
27.0.72.*(27.0.72.0 - 27.0.72.254)
27.0.73.*(27.0.73.0 - 27.0.73.254)
27.0.74.*(27.0.74.0 - 27.0.74.254)
27.0.75.*(27.0.75.0 - 27.0.75.254)
27.0.76.*(27.0.76.0 - 27.0.76.254)
27.0.77.*(27.0.77.0 - 27.0.77.254)
27.0.78.*(27.0.78.0 - 27.0.78.254)
27.0.79.*(27.0.79.0 - 27.0.79.254)
27.0.80.*(27.0.80.0 - 27.0.80.254)
27.0.81.*(27.0.81.0 - 27.0.81.254)
27.0.82.*(27.0.82.0 - 27.0.82.254)
27.0.83.*(27.0.83.0 - 27.0.83.254)
27.0.84.*(27.0.84.0 - 27.0.84.254)
27.0.85.*(27.0.85.0 - 27.0.85.254)
27.0.86.*(27.0.86.0 - 27.0.86.254)
27.0.87.*(27.0.87.0 - 27.0.87.254)
27.0.88.*(27.0.88.0 - 27.0.88.254)
27.0.89.*(27.0.89.0 - 27.0.89.254)
27.0.90.*(27.0.90.0 - 27.0.90.254)
27.0.91.*(27.0.91.0 - 27.0.91.254)
27.0.92.*(27.0.92.0 - 27.0.92.254)
27.0.93.*(27.0.93.0 - 27.0.93.254)
27.0.94.*(27.0.94.0 - 27.0.94.254)
27.0.95.*(27.0.95.0 - 27.0.95.254)
27.0.96.*(27.0.96.0 - 27.0.96.254)
27.0.97.*(27.0.97.0 - 27.0.97.254)
27.0.98.*(27.0.98.0 - 27.0.98.254)
27.0.99.*(27.0.99.0 - 27.0.99.254)
27.0.100.*(27.0.100.0 - 27.0.100.254)
27.0.101.*(27.0.101.0 - 27.0.101.254)
27.0.102.*(27.0.102.0 - 27.0.102.254)
27.0.103.*(27.0.103.0 - 27.0.103.254)
27.0.104.*(27.0.104.0 - 27.0.104.254)
27.0.105.*(27.0.105.0 - 27.0.105.254)
27.0.106.*(27.0.106.0 - 27.0.106.254)
27.0.107.*(27.0.107.0 - 27.0.107.254)
27.0.108.*(27.0.108.0 - 27.0.108.254)
27.0.109.*(27.0.109.0 - 27.0.109.254)
27.0.110.*(27.0.110.0 - 27.0.110.254)
27.0.111.*(27.0.111.0 - 27.0.111.254)
27.0.112.*(27.0.112.0 - 27.0.112.254)
27.0.113.*(27.0.113.0 - 27.0.113.254)
27.0.114.*(27.0.114.0 - 27.0.114.254)
27.0.115.*(27.0.115.0 - 27.0.115.254)
27.0.116.*(27.0.116.0 - 27.0.116.254)
27.0.117.*(27.0.117.0 - 27.0.117.254)
27.0.118.*(27.0.118.0 - 27.0.118.254)
27.0.119.*(27.0.119.0 - 27.0.119.254)
27.0.120.*(27.0.120.0 - 27.0.120.254)
27.0.121.*(27.0.121.0 - 27.0.121.254)
27.0.122.*(27.0.122.0 - 27.0.122.254)
27.0.123.*(27.0.123.0 - 27.0.123.254)
27.0.124.*(27.0.124.0 - 27.0.124.254)
27.0.125.*(27.0.125.0 - 27.0.125.254)
27.0.126.*(27.0.126.0 - 27.0.126.254)
27.0.127.*(27.0.127.0 - 27.0.127.254)
27.0.128.*(27.0.128.0 - 27.0.128.254)
27.0.129.*(27.0.129.0 - 27.0.129.254)
27.0.130.*(27.0.130.0 - 27.0.130.254)
27.0.131.*(27.0.131.0 - 27.0.131.254)
27.0.132.*(27.0.132.0 - 27.0.132.254)
27.0.133.*(27.0.133.0 - 27.0.133.254)
27.0.134.*(27.0.134.0 - 27.0.134.254)
27.0.135.*(27.0.135.0 - 27.0.135.254)
27.0.136.*(27.0.136.0 - 27.0.136.254)
27.0.137.*(27.0.137.0 - 27.0.137.254)
27.0.138.*(27.0.138.0 - 27.0.138.254)
27.0.139.*(27.0.139.0 - 27.0.139.254)
27.0.140.*(27.0.140.0 - 27.0.140.254)
27.0.141.*(27.0.141.0 - 27.0.141.254)
27.0.142.*(27.0.142.0 - 27.0.142.254)
27.0.143.*(27.0.143.0 - 27.0.143.254)
27.0.144.*(27.0.144.0 - 27.0.144.254)
27.0.145.*(27.0.145.0 - 27.0.145.254)
27.0.146.*(27.0.146.0 - 27.0.146.254)
27.0.147.*(27.0.147.0 - 27.0.147.254)
27.0.148.*(27.0.148.0 - 27.0.148.254)
27.0.149.*(27.0.149.0 - 27.0.149.254)
27.0.150.*(27.0.150.0 - 27.0.150.254)
27.0.151.*(27.0.151.0 - 27.0.151.254)
27.0.152.*(27.0.152.0 - 27.0.152.254)
27.0.153.*(27.0.153.0 - 27.0.153.254)
27.0.154.*(27.0.154.0 - 27.0.154.254)
27.0.155.*(27.0.155.0 - 27.0.155.254)
27.0.156.*(27.0.156.0 - 27.0.156.254)
27.0.157.*(27.0.157.0 - 27.0.157.254)
27.0.158.*(27.0.158.0 - 27.0.158.254)
27.0.159.*(27.0.159.0 - 27.0.159.254)
27.0.160.*(27.0.160.0 - 27.0.160.254)
27.0.161.*(27.0.161.0 - 27.0.161.254)
27.0.162.*(27.0.162.0 - 27.0.162.254)
27.0.163.*(27.0.163.0 - 27.0.163.254)
27.0.164.*(27.0.164.0 - 27.0.164.254)
27.0.165.*(27.0.165.0 - 27.0.165.254)
27.0.166.*(27.0.166.0 - 27.0.166.254)
27.0.167.*(27.0.167.0 - 27.0.167.254)
27.0.168.*(27.0.168.0 - 27.0.168.254)
27.0.169.*(27.0.169.0 - 27.0.169.254)
27.0.170.*(27.0.170.0 - 27.0.170.254)
27.0.171.*(27.0.171.0 - 27.0.171.254)
27.0.172.*(27.0.172.0 - 27.0.172.254)
27.0.173.*(27.0.173.0 - 27.0.173.254)
27.0.174.*(27.0.174.0 - 27.0.174.254)
27.0.175.*(27.0.175.0 - 27.0.175.254)
27.0.176.*(27.0.176.0 - 27.0.176.254)
27.0.177.*(27.0.177.0 - 27.0.177.254)
27.0.178.*(27.0.178.0 - 27.0.178.254)
27.0.179.*(27.0.179.0 - 27.0.179.254)
27.0.180.*(27.0.180.0 - 27.0.180.254)
27.0.181.*(27.0.181.0 - 27.0.181.254)
27.0.182.*(27.0.182.0 - 27.0.182.254)
27.0.183.*(27.0.183.0 - 27.0.183.254)
27.0.184.*(27.0.184.0 - 27.0.184.254)
27.0.185.*(27.0.185.0 - 27.0.185.254)
27.0.186.*(27.0.186.0 - 27.0.186.254)
27.0.187.*(27.0.187.0 - 27.0.187.254)
27.0.188.*(27.0.188.0 - 27.0.188.254)
27.0.189.*(27.0.189.0 - 27.0.189.254)
27.0.190.*(27.0.190.0 - 27.0.190.254)
27.0.191.*(27.0.191.0 - 27.0.191.254)
27.0.192.*(27.0.192.0 - 27.0.192.254)
27.0.193.*(27.0.193.0 - 27.0.193.254)
27.0.194.*(27.0.194.0 - 27.0.194.254)
27.0.195.*(27.0.195.0 - 27.0.195.254)
27.0.196.*(27.0.196.0 - 27.0.196.254)
27.0.197.*(27.0.197.0 - 27.0.197.254)
27.0.198.*(27.0.198.0 - 27.0.198.254)
27.0.199.*(27.0.199.0 - 27.0.199.254)
27.0.200.*(27.0.200.0 - 27.0.200.254)
27.0.201.*(27.0.201.0 - 27.0.201.254)
27.0.202.*(27.0.202.0 - 27.0.202.254)
27.0.203.*(27.0.203.0 - 27.0.203.254)
27.0.204.*(27.0.204.0 - 27.0.204.254)
27.0.205.*(27.0.205.0 - 27.0.205.254)
27.0.206.*(27.0.206.0 - 27.0.206.254)
27.0.207.*(27.0.207.0 - 27.0.207.254)
27.0.208.*(27.0.208.0 - 27.0.208.254)
27.0.209.*(27.0.209.0 - 27.0.209.254)
27.0.210.*(27.0.210.0 - 27.0.210.254)
27.0.211.*(27.0.211.0 - 27.0.211.254)
27.0.212.*(27.0.212.0 - 27.0.212.254)
27.0.213.*(27.0.213.0 - 27.0.213.254)
27.0.214.*(27.0.214.0 - 27.0.214.254)
27.0.215.*(27.0.215.0 - 27.0.215.254)
27.0.216.*(27.0.216.0 - 27.0.216.254)
27.0.217.*(27.0.217.0 - 27.0.217.254)
27.0.218.*(27.0.218.0 - 27.0.218.254)
27.0.219.*(27.0.219.0 - 27.0.219.254)
27.0.220.*(27.0.220.0 - 27.0.220.254)
27.0.221.*(27.0.221.0 - 27.0.221.254)
27.0.222.*(27.0.222.0 - 27.0.222.254)
27.0.223.*(27.0.223.0 - 27.0.223.254)
27.0.224.*(27.0.224.0 - 27.0.224.254)
27.0.225.*(27.0.225.0 - 27.0.225.254)
27.0.226.*(27.0.226.0 - 27.0.226.254)
27.0.227.*(27.0.227.0 - 27.0.227.254)
27.0.228.*(27.0.228.0 - 27.0.228.254)
27.0.229.*(27.0.229.0 - 27.0.229.254)
27.0.230.*(27.0.230.0 - 27.0.230.254)
27.0.231.*(27.0.231.0 - 27.0.231.254)
27.0.232.*(27.0.232.0 - 27.0.232.254)
27.0.233.*(27.0.233.0 - 27.0.233.254)
27.0.234.*(27.0.234.0 - 27.0.234.254)
27.0.235.*(27.0.235.0 - 27.0.235.254)
27.0.236.*(27.0.236.0 - 27.0.236.254)
27.0.237.*(27.0.237.0 - 27.0.237.254)
27.0.238.*(27.0.238.0 - 27.0.238.254)
27.0.239.*(27.0.239.0 - 27.0.239.254)
27.0.240.*(27.0.240.0 - 27.0.240.254)
27.0.241.*(27.0.241.0 - 27.0.241.254)
27.0.242.*(27.0.242.0 - 27.0.242.254)
27.0.243.*(27.0.243.0 - 27.0.243.254)
27.0.244.*(27.0.244.0 - 27.0.244.254)
27.0.245.*(27.0.245.0 - 27.0.245.254)
27.0.246.*(27.0.246.0 - 27.0.246.254)
27.0.247.*(27.0.247.0 - 27.0.247.254)
27.0.248.*(27.0.248.0 - 27.0.248.254)
27.0.249.*(27.0.249.0 - 27.0.249.254)
27.0.250.*(27.0.250.0 - 27.0.250.254)
27.0.251.*(27.0.251.0 - 27.0.251.254)
27.0.252.*(27.0.252.0 - 27.0.252.254)
27.0.253.*(27.0.253.0 - 27.0.253.254)
27.0.254.*(27.0.254.0 - 27.0.254.254)
27.0.255.*(27.0.255.0 - 27.0.255.254)

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