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IP 段

Namecheap IP 段列表

Namecheap（AS22612）当前在公网上宣告的全部 IPv4 与 IPv6 段，含 CIDR 与起止 IP，可免费下载 TXT / CSV。数据快照日期：2026-11-02。

Namecheap 通过 AS22612 宣告了 327 个 IPv4 前缀（共覆盖 82,752 个地址）和 6 个 IPv6 前缀。下面的列表是 2026-11-02 从公开 BGP 路由表取得的快照，按地址顺序排列、保持公告原样。

ASNAS22612
IPv4 前缀数327
IPv4 地址总数82,752互相包含的部分只算一次
IPv6 前缀数6
数据快照日期

下载完整列表

完整列表共 333 条（IPv4 与 IPv6）。TXT 一行一个 CIDR；CSV 含 cidr、version、start_ip、end_ip、addresses 五列。

下载 TXT下载 CSV仅 IPv4（TXT）仅 IPv6（TXT）

Namecheap 的 IPv4 地址段

Namecheap 宣告的 IPv4 段：CIDR、起始与结束 IP、地址数
CIDR起始 IP – 结束 IP地址数
63.250.32.0/2063.250.32.0–63.250.47.2554,096
63.250.32.0/2463.250.32.0–63.250.32.255256
63.250.33.0/2463.250.33.0–63.250.33.255256
63.250.34.0/2463.250.34.0–63.250.34.255256
63.250.35.0/2463.250.35.0–63.250.35.255256
63.250.36.0/2463.250.36.0–63.250.36.255256
63.250.37.0/2463.250.37.0–63.250.37.255256
63.250.38.0/2463.250.38.0–63.250.38.255256
63.250.39.0/2463.250.39.0–63.250.39.255256
63.250.40.0/2463.250.40.0–63.250.40.255256
63.250.41.0/2463.250.41.0–63.250.41.255256
63.250.42.0/2463.250.42.0–63.250.42.255256
63.250.43.0/2463.250.43.0–63.250.43.255256
63.250.44.0/2463.250.44.0–63.250.44.255256
63.250.45.0/2463.250.45.0–63.250.45.255256
63.250.46.0/2463.250.46.0–63.250.46.255256
63.250.47.0/2463.250.47.0–63.250.47.255256
66.29.128.0/1966.29.128.0–66.29.159.2558,192
66.29.128.0/2466.29.128.0–66.29.128.255256
66.29.129.0/2466.29.129.0–66.29.129.255256
66.29.130.0/2466.29.130.0–66.29.130.255256
66.29.131.0/2466.29.131.0–66.29.131.255256
66.29.132.0/2466.29.132.0–66.29.132.255256
66.29.133.0/2466.29.133.0–66.29.133.255256
66.29.134.0/2466.29.134.0–66.29.134.255256
66.29.135.0/2466.29.135.0–66.29.135.255256
66.29.136.0/2466.29.136.0–66.29.136.255256
66.29.137.0/2466.29.137.0–66.29.137.255256
66.29.138.0/2466.29.138.0–66.29.138.255256
66.29.139.0/2466.29.139.0–66.29.139.255256
66.29.140.0/2466.29.140.0–66.29.140.255256
66.29.141.0/2466.29.141.0–66.29.141.255256
66.29.142.0/2466.29.142.0–66.29.142.255256
66.29.143.0/2466.29.143.0–66.29.143.255256
66.29.144.0/2466.29.144.0–66.29.144.255256
66.29.145.0/2466.29.145.0–66.29.145.255256
66.29.146.0/2466.29.146.0–66.29.146.255256
66.29.147.0/2466.29.147.0–66.29.147.255256
66.29.148.0/2466.29.148.0–66.29.148.255256
66.29.149.0/2466.29.149.0–66.29.149.255256
66.29.150.0/2466.29.150.0–66.29.150.255256
66.29.151.0/2466.29.151.0–66.29.151.255256
66.29.152.0/2466.29.152.0–66.29.152.255256
66.29.153.0/2466.29.153.0–66.29.153.255256
66.29.154.0/2466.29.154.0–66.29.154.255256
66.29.155.0/2466.29.155.0–66.29.155.255256
66.29.156.0/2466.29.156.0–66.29.156.255256
66.29.157.0/2466.29.157.0–66.29.157.255256
66.29.159.0/2466.29.159.0–66.29.159.255256
67.223.116.0/2467.223.116.0–67.223.116.255256
67.223.117.0/2467.223.117.0–67.223.117.255256
67.223.118.0/2467.223.118.0–67.223.118.255256
67.223.119.0/2467.223.119.0–67.223.119.255256
68.65.120.0/2468.65.120.0–68.65.120.255256
68.65.121.0/2468.65.121.0–68.65.121.255256
68.65.122.0/2468.65.122.0–68.65.122.255256
68.65.123.0/2468.65.123.0–68.65.123.255256
69.57.160.0/2469.57.160.0–69.57.160.255256
69.57.161.0/2469.57.161.0–69.57.161.255256
69.57.162.0/2469.57.162.0–69.57.162.255256
69.57.163.0/2469.57.163.0–69.57.163.255256
104.207.64.0/24104.207.64.0–104.207.64.255256
104.207.65.0/24104.207.65.0–104.207.65.255256
104.207.66.0/24104.207.66.0–104.207.66.255256
104.207.67.0/24104.207.67.0–104.207.67.255256
104.207.68.0/24104.207.68.0–104.207.68.255256
104.207.69.0/24104.207.69.0–104.207.69.255256
104.207.70.0/24104.207.70.0–104.207.70.255256
104.207.71.0/24104.207.71.0–104.207.71.255256
104.207.72.0/24104.207.72.0–104.207.72.255256
104.207.73.0/24104.207.73.0–104.207.73.255256
104.207.74.0/24104.207.74.0–104.207.74.255256
104.207.75.0/24104.207.75.0–104.207.75.255256
104.207.76.0/24104.207.76.0–104.207.76.255256
104.207.77.0/24104.207.77.0–104.207.77.255256
104.207.78.0/24104.207.78.0–104.207.78.255256
104.207.79.0/24104.207.79.0–104.207.79.255256
104.207.80.0/24104.207.80.0–104.207.80.255256
104.207.81.0/24104.207.81.0–104.207.81.255256
104.207.82.0/24104.207.82.0–104.207.82.255256
104.207.83.0/24104.207.83.0–104.207.83.255256
104.207.84.0/24104.207.84.0–104.207.84.255256
104.207.85.0/24104.207.85.0–104.207.85.255256
104.207.86.0/24104.207.86.0–104.207.86.255256
104.207.87.0/24104.207.87.0–104.207.87.255256
104.207.88.0/24104.207.88.0–104.207.88.255256
104.207.89.0/24104.207.89.0–104.207.89.255256
104.207.90.0/24104.207.90.0–104.207.90.255256
104.207.91.0/24104.207.91.0–104.207.91.255256
104.207.92.0/24104.207.92.0–104.207.92.255256
104.207.93.0/24104.207.93.0–104.207.93.255256
104.207.94.0/24104.207.94.0–104.207.94.255256
104.207.95.0/24104.207.95.0–104.207.95.255256
104.219.248.0/24104.219.248.0–104.219.248.255256
104.219.249.0/24104.219.249.0–104.219.249.255256
104.219.250.0/24104.219.250.0–104.219.250.255256
104.219.251.0/24104.219.251.0–104.219.251.255256
153.79.251.0/24153.79.251.0–153.79.251.255256
153.79.252.0/24153.79.252.0–153.79.252.255256
153.79.253.0/24153.79.253.0–153.79.253.255256
153.79.254.0/24153.79.254.0–153.79.254.255256
153.79.255.0/24153.79.255.0–153.79.255.255256
159.198.32.0/24159.198.32.0–159.198.32.255256
159.198.33.0/24159.198.33.0–159.198.33.255256
159.198.34.0/24159.198.34.0–159.198.34.255256
159.198.35.0/24159.198.35.0–159.198.35.255256
159.198.36.0/24159.198.36.0–159.198.36.255256
159.198.37.0/24159.198.37.0–159.198.37.255256
159.198.39.0/24159.198.39.0–159.198.39.255256
159.198.40.0/24159.198.40.0–159.198.40.255256
159.198.41.0/24159.198.41.0–159.198.41.255256
159.198.42.0/24159.198.42.0–159.198.42.255256
159.198.43.0/24159.198.43.0–159.198.43.255256
159.198.44.0/24159.198.44.0–159.198.44.255256
159.198.45.0/24159.198.45.0–159.198.45.255256
159.198.46.0/24159.198.46.0–159.198.46.255256
159.198.47.0/24159.198.47.0–159.198.47.255256
159.198.64.0/24159.198.64.0–159.198.64.255256
159.198.65.0/24159.198.65.0–159.198.65.255256
159.198.66.0/24159.198.66.0–159.198.66.255256
159.198.67.0/24159.198.67.0–159.198.67.255256
159.198.68.0/24159.198.68.0–159.198.68.255256
159.198.69.0/24159.198.69.0–159.198.69.255256
159.198.70.0/24159.198.70.0–159.198.70.255256
159.198.71.0/24159.198.71.0–159.198.71.255256
159.198.72.0/24159.198.72.0–159.198.72.255256
159.198.73.0/24159.198.73.0–159.198.73.255256
159.198.74.0/24159.198.74.0–159.198.74.255256
159.198.75.0/24159.198.75.0–159.198.75.255256
159.198.76.0/24159.198.76.0–159.198.76.255256
159.198.77.0/24159.198.77.0–159.198.77.255256
159.198.78.0/24159.198.78.0–159.198.78.255256
159.198.79.0/24159.198.79.0–159.198.79.255256
162.0.208.0/24162.0.208.0–162.0.208.255256
162.0.209.0/24162.0.209.0–162.0.209.255256
162.0.210.0/24162.0.210.0–162.0.210.255256
162.0.211.0/24162.0.211.0–162.0.211.255256
162.0.212.0/24162.0.212.0–162.0.212.255256
162.0.213.0/24162.0.213.0–162.0.213.255256
162.0.214.0/24162.0.214.0–162.0.214.255256
162.0.215.0/24162.0.215.0–162.0.215.255256
162.0.216.0/24162.0.216.0–162.0.216.255256
162.0.217.0/24162.0.217.0–162.0.217.255256
162.0.218.0/24162.0.218.0–162.0.218.255256
162.0.219.0/24162.0.219.0–162.0.219.255256
162.0.220.0/24162.0.220.0–162.0.220.255256
162.0.221.0/24162.0.221.0–162.0.221.255256
162.0.222.0/24162.0.222.0–162.0.222.255256
162.0.223.0/24162.0.223.0–162.0.223.255256
162.0.224.0/24162.0.224.0–162.0.224.255256
162.0.225.0/24162.0.225.0–162.0.225.255256
162.0.226.0/24162.0.226.0–162.0.226.255256
162.0.227.0/24162.0.227.0–162.0.227.255256
162.0.228.0/24162.0.228.0–162.0.228.255256
162.0.229.0/24162.0.229.0–162.0.229.255256
162.0.230.0/24162.0.230.0–162.0.230.255256
162.0.231.0/24162.0.231.0–162.0.231.255256
162.0.232.0/24162.0.232.0–162.0.232.255256
162.0.233.0/24162.0.233.0–162.0.233.255256
162.0.234.0/24162.0.234.0–162.0.234.255256
162.0.235.0/24162.0.235.0–162.0.235.255256
162.0.236.0/24162.0.236.0–162.0.236.255256
162.0.237.0/24162.0.237.0–162.0.237.255256
162.0.238.0/24162.0.238.0–162.0.238.255256
162.0.239.0/24162.0.239.0–162.0.239.255256
162.213.248.0/24162.213.248.0–162.213.248.255256
162.213.249.0/24162.213.249.0–162.213.249.255256
162.213.250.0/24162.213.250.0–162.213.250.255256
162.213.251.0/24162.213.251.0–162.213.251.255256
162.213.252.0/24162.213.252.0–162.213.252.255256
162.213.253.0/24162.213.253.0–162.213.253.255256
162.213.254.0/24162.213.254.0–162.213.254.255256
162.213.255.0/24162.213.255.0–162.213.255.255256
162.254.32.0/24162.254.32.0–162.254.32.255256
162.254.33.0/24162.254.33.0–162.254.33.255256
162.254.34.0/24162.254.34.0–162.254.34.255256
162.254.35.0/24162.254.35.0–162.254.35.255256
162.254.36.0/24162.254.36.0–162.254.36.255256
162.254.37.0/24162.254.37.0–162.254.37.255256
162.254.38.0/24162.254.38.0–162.254.38.255256
162.254.39.0/24162.254.39.0–162.254.39.255256
162.255.116.0/24162.255.116.0–162.255.116.255256
162.255.117.0/24162.255.117.0–162.255.117.255256
162.255.118.0/24162.255.118.0–162.255.118.255256
162.255.119.0/24162.255.119.0–162.255.119.255256
184.94.212.0/24184.94.212.0–184.94.212.255256
184.94.213.0/24184.94.213.0–184.94.213.255256
184.94.215.0/24184.94.215.0–184.94.215.255256
185.61.152.0/22185.61.152.0–185.61.155.2551,024
185.61.152.0/24185.61.152.0–185.61.152.255256
185.61.153.0/24185.61.153.0–185.61.153.255256
185.61.154.0/24185.61.154.0–185.61.154.255256
185.61.155.0/24185.61.155.0–185.61.155.255256
192.64.112.0/24192.64.112.0–192.64.112.255256
192.64.113.0/24192.64.113.0–192.64.113.255256
192.64.114.0/24192.64.114.0–192.64.114.255256
192.64.115.0/24192.64.115.0–192.64.115.255256
192.64.116.0/24192.64.116.0–192.64.116.255256
192.64.117.0/24192.64.117.0–192.64.117.255256
192.64.118.0/24192.64.118.0–192.64.118.255256
192.64.119.0/24192.64.119.0–192.64.119.255256
198.54.112.0/24198.54.112.0–198.54.112.255256
198.54.113.0/24198.54.113.0–198.54.113.255256
198.54.114.0/24198.54.114.0–198.54.114.255256
198.54.115.0/24198.54.115.0–198.54.115.255256
198.54.116.0/24198.54.116.0–198.54.116.255256
198.54.117.0/24198.54.117.0–198.54.117.255256
198.54.118.0/24198.54.118.0–198.54.118.255256
198.54.119.0/24198.54.119.0–198.54.119.255256
198.54.120.0/24198.54.120.0–198.54.120.255256
198.54.121.0/24198.54.121.0–198.54.121.255256
198.54.122.0/24198.54.122.0–198.54.122.255256
198.54.123.0/24198.54.123.0–198.54.123.255256
198.54.124.0/24198.54.124.0–198.54.124.255256
198.54.125.0/24198.54.125.0–198.54.125.255256
198.54.126.0/24198.54.126.0–198.54.126.255256
198.54.127.0/24198.54.127.0–198.54.127.255256
198.177.120.0/24198.177.120.0–198.177.120.255256
198.177.121.0/24198.177.121.0–198.177.121.255256
198.177.122.0/24198.177.122.0–198.177.122.255256
198.177.123.0/24198.177.123.0–198.177.123.255256
198.177.124.0/24198.177.124.0–198.177.124.255256
198.177.125.0/24198.177.125.0–198.177.125.255256
198.177.126.0/24198.177.126.0–198.177.126.255256
198.177.127.0/24198.177.127.0–198.177.127.255256
198.187.28.0/24198.187.28.0–198.187.28.255256
198.187.29.0/24198.187.29.0–198.187.29.255256
198.187.30.0/24198.187.30.0–198.187.30.255256
198.187.31.0/24198.187.31.0–198.187.31.255256
199.85.208.0/24199.85.208.0–199.85.208.255256
199.85.209.0/24199.85.209.0–199.85.209.255256
199.85.210.0/24199.85.210.0–199.85.210.255256
199.85.211.0/24199.85.211.0–199.85.211.255256
199.188.200.0/24199.188.200.0–199.188.200.255256
199.188.201.0/24199.188.201.0–199.188.201.255256
199.188.202.0/24199.188.202.0–199.188.202.255256
199.188.203.0/24199.188.203.0–199.188.203.255256
199.188.204.0/24199.188.204.0–199.188.204.255256
199.188.205.0/24199.188.205.0–199.188.205.255256
199.188.206.0/24199.188.206.0–199.188.206.255256
199.188.207.0/24199.188.207.0–199.188.207.255256
199.192.16.0/24199.192.16.0–199.192.16.255256
199.192.17.0/24199.192.17.0–199.192.17.255256
199.192.18.0/24199.192.18.0–199.192.18.255256
199.192.19.0/24199.192.19.0–199.192.19.255256
199.192.20.0/24199.192.20.0–199.192.20.255256
199.192.21.0/24199.192.21.0–199.192.21.255256
199.192.22.0/24199.192.22.0–199.192.22.255256
199.192.23.0/24199.192.23.0–199.192.23.255256
199.192.24.0/24199.192.24.0–199.192.24.255256
199.192.25.0/24199.192.25.0–199.192.25.255256
199.192.26.0/24199.192.26.0–199.192.26.255256
199.192.27.0/24199.192.27.0–199.192.27.255256
199.192.28.0/24199.192.28.0–199.192.28.255256
199.192.29.0/24199.192.29.0–199.192.29.255256
199.192.30.0/24199.192.30.0–199.192.30.255256
199.192.31.0/24199.192.31.0–199.192.31.255256
199.193.6.0/24199.193.6.0–199.193.6.255256
199.193.7.0/24199.193.7.0–199.193.7.255256
199.201.110.0/24199.201.110.0–199.201.110.255256
203.161.32.0/24203.161.32.0–203.161.32.255256
203.161.33.0/24203.161.33.0–203.161.33.255256
203.161.35.0/24203.161.35.0–203.161.35.255256
203.161.36.0/24203.161.36.0–203.161.36.255256
203.161.37.0/24203.161.37.0–203.161.37.255256
203.161.38.0/24203.161.38.0–203.161.38.255256
203.161.39.0/24203.161.39.0–203.161.39.255256
203.161.40.0/24203.161.40.0–203.161.40.255256
203.161.41.0/24203.161.41.0–203.161.41.255256
203.161.42.0/24203.161.42.0–203.161.42.255256
203.161.43.0/24203.161.43.0–203.161.43.255256
203.161.44.0/24203.161.44.0–203.161.44.255256
203.161.45.0/24203.161.45.0–203.161.45.255256
203.161.46.0/24203.161.46.0–203.161.46.255256
203.161.47.0/24203.161.47.0–203.161.47.255256
203.161.48.0/24203.161.48.0–203.161.48.255256
203.161.49.0/24203.161.49.0–203.161.49.255256
203.161.50.0/24203.161.50.0–203.161.50.255256
203.161.51.0/24203.161.51.0–203.161.51.255256
203.161.52.0/24203.161.52.0–203.161.52.255256
203.161.53.0/24203.161.53.0–203.161.53.255256
203.161.54.0/24203.161.54.0–203.161.54.255256
203.161.55.0/24203.161.55.0–203.161.55.255256
203.161.56.0/24203.161.56.0–203.161.56.255256
203.161.57.0/24203.161.57.0–203.161.57.255256
203.161.58.0/24203.161.58.0–203.161.58.255256
203.161.59.0/24203.161.59.0–203.161.59.255256
203.161.60.0/24203.161.60.0–203.161.60.255256
203.161.61.0/24203.161.61.0–203.161.61.255256
203.161.62.0/24203.161.62.0–203.161.62.255256
203.161.63.0/24203.161.63.0–203.161.63.255256
209.74.64.0/24209.74.64.0–209.74.64.255256
209.74.65.0/24209.74.65.0–209.74.65.255256
209.74.66.0/24209.74.66.0–209.74.66.255256
209.74.67.0/24209.74.67.0–209.74.67.255256
209.74.68.0/24209.74.68.0–209.74.68.255256
209.74.69.0/24209.74.69.0–209.74.69.255256
209.74.70.0/24209.74.70.0–209.74.70.255256
209.74.71.0/24209.74.71.0–209.74.71.255256
209.74.72.0/24209.74.72.0–209.74.72.255256
209.74.73.0/24209.74.73.0–209.74.73.255256
209.74.74.0/24209.74.74.0–209.74.74.255256
209.74.75.0/24209.74.75.0–209.74.75.255256
209.74.76.0/24209.74.76.0–209.74.76.255256
209.74.77.0/24209.74.77.0–209.74.77.255256
209.74.78.0/24209.74.78.0–209.74.78.255256
209.74.79.0/24209.74.79.0–209.74.79.255256
209.74.80.0/24209.74.80.0–209.74.80.255256
209.74.81.0/24209.74.81.0–209.74.81.255256
209.74.82.0/24209.74.82.0–209.74.82.255256
209.74.83.0/24209.74.83.0–209.74.83.255256
209.74.84.0/24209.74.84.0–209.74.84.255256
209.74.85.0/24209.74.85.0–209.74.85.255256
209.74.86.0/24209.74.86.0–209.74.86.255256
209.74.87.0/24209.74.87.0–209.74.87.255256
209.74.88.0/24209.74.88.0–209.74.88.255256
209.74.89.0/24209.74.89.0–209.74.89.255256
209.74.90.0/24209.74.90.0–209.74.90.255256
209.74.91.0/24209.74.91.0–209.74.91.255256
209.74.92.0/24209.74.92.0–209.74.92.255256
209.74.93.0/24209.74.93.0–209.74.93.255256
209.74.94.0/24209.74.94.0–209.74.94.255256
209.74.95.0/24209.74.95.0–209.74.95.255256
209.188.7.128/25209.188.7.128–209.188.7.255128
209.188.18.128/25209.188.18.128–209.188.18.255128
209.188.21.0/24209.188.21.0–209.188.21.255256
209.188.31.0/26209.188.31.0–209.188.31.6364

共 327 条，已全部列出。

Namecheap 的 IPv6 地址段

Namecheap 宣告的 IPv6 段：CIDR、起始与结束 IP、地址数
CIDR起始 IP – 结束 IP地址数
2606:5b80::/322606:5b80::–2606:5b80:ffff:ffff:ffff:ffff:ffff:ffff296
2606:5b80:2156::/482606:5b80:2156::–2606:5b80:2156:ffff:ffff:ffff:ffff:ffff280
2606:5b80:ff00::/482606:5b80:ff00::–2606:5b80:ff00:ffff:ffff:ffff:ffff:ffff280
2a02:77e0::/442a02:77e0::–2a02:77e0:f:ffff:ffff:ffff:ffff:ffff284
2a02:77e0:10::/442a02:77e0:10::–2a02:77e0:1f:ffff:ffff:ffff:ffff:ffff284
2a02:77e0:100::/442a02:77e0:100::–2a02:77e0:10f:ffff:ffff:ffff:ffff:ffff284

共 6 条，已全部列出。

关于 Namecheap 的 IP 段数据

  • ASN 与持有机构

    Namecheap 使用 AS22612 宣告前缀。注册信息里的持有机构：AS22612 (NAMECHEAP-NET - Namecheap, Inc.)。

  • 列表包含什么

    列表是这些 ASN 在公开 BGP 路由表里宣告的前缀（经 RIPEstat 取得），相邻的块不合并。它不是地址归属记录：可能包含客户自带的前缀和转租的地址段，也可能漏掉只有很少节点能看到的路由。快照日期 2026-11-02。

  • 常见用途

    在防火墙、WAF 或 nginx 里放行 / 拦截来自 Namecheap 的流量，给日志里的来源 IP 归类，或用 CIDR 匹配判断某个 IP 是否属于 Namecheap。注意云厂商和运营商的地址里也运行着客户的业务，整段封禁可能误伤无关的服务。

怎么使用 Namecheap 的 IP 段列表

  1. 先看上面的表格：IPv4 和 IPv6 各一张，每行有 CIDR、起始 IP – 结束 IP 和地址数。
  2. 点「下载 TXT」或「下载 CSV」获取完整列表，文件包含全部 333 条，不只是页面上显示的前几行。
  3. 把 TXT 作为一个地址集合导入防火墙、路由器或 ipset，或把 CIDR 粘贴进云安全组的规则里。
  4. 用于生产环境前先看快照日期（2026-11-02）；云厂商的地址段变动频繁，请再对照厂商自己发布的官方范围文件。

Namecheap IP 段常见问题

Namecheap 有多少个 IP 段？

截至 2026-11-02，Namecheap 通过 AS22612 在公网 BGP 路由表里宣告了 327 个 IPv4 前缀（共覆盖 82,752 个地址）和 6 个 IPv6 前缀。

Namecheap 的 ASN 是多少？

Namecheap 使用 AS22612。注册信息里的持有机构：AS22612 (NAMECHEAP-NET - Namecheap, Inc.)。大型机构常有多个 ASN，本页把核对过的都合并在一起。

怎么用 Namecheap 的 IP 段做防火墙白名单或黑名单？

下载 TXT 文件（一行一个 CIDR），导入 ipset、nftables、nginx 的 allow / deny 配置、路由器地址列表或云安全组。333 条建议整体作为一个地址集合导入，不要逐条建规则。注意 Namecheap 的地址里也运行着客户的服务，整段封禁会连带封掉无关的网站。

Namecheap 的 IP 段列表多久更新一次？

这份列表是 2026-11-02 的快照，大约每周从公开 BGP 数据（RIPEstat）重新生成一次。路由公告每天都在变化，用于生产环境前请重新下载，云厂商还应对照其官方发布的范围文件。

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