获取 Google IP 地址范围
作为管理员，如果您需要获取 Google API 和服务的默认网域的 IP 地址范围，则可以参考以下信息来源。
Google 发布的 IP 地址范围清单：
以上两个来源的 IP 地址范围清单就相当于两个集合，而要想获得 Google API 和服务的默认网域的 IP 地址范围，则需要对两个集合进行相应操作。方法是使用完整清单所代表的集合减去 Google Cloud 客户可用的全球性和区域性的外部 IP 地址范围清单所代表的集合。
如需详细了解获取 Google IP 地址范围的方式，请参阅：
"8.8.4.0/24"
"8.8.8.0/24"
"8.34.208.0/20"
"8.35.192.0/20"
"23.236.48.0/20"
"23.251.128.0/19"
"34.64.0.0/10"
"34.128.0.0/10"
"35.184.0.0/13"
"35.192.0.0/14"
"35.196.0.0/15"
"35.198.0.0/16"
"35.199.0.0/17"
"35.199.128.0/18"
"35.200.0.0/13"
"35.208.0.0/12"
"35.224.0.0/12"
"35.240.0.0/13"
"64.15.112.0/20"
"64.233.160.0/19"
"66.102.0.0/20"
"66.249.64.0/19"
"70.32.128.0/19"
"72.14.192.0/18"
"74.114.24.0/21"
"74.125.0.0/16"
"104.154.0.0/15"
"104.196.0.0/14"
"104.237.160.0/19"
"107.167.160.0/19"
"107.178.192.0/18"
"108.59.80.0/20"
"108.170.192.0/18"
"108.177.0.0/17"
"130.211.0.0/16"
"136.112.0.0/12"
"142.250.0.0/15"
"146.148.0.0/17"
"162.216.148.0/22"
"162.222.176.0/21"
"172.110.32.0/21"
"172.217.0.0/16"
"172.253.0.0/16"
"173.194.0.0/16"
"173.255.112.0/20"
"192.158.28.0/22"
"192.178.0.0/15"
"193.186.4.0/24"
"199.36.154.0/23"
"199.36.156.0/24"
"199.192.112.0/22"
"199.223.232.0/21"
"207.223.160.0/20"
"208.65.152.0/22"
"208.68.108.0/22"
"208.81.188.0/22"
"208.117.224.0/19"
"209.85.128.0/17"
"216.58.192.0/19"
"216.73.80.0/20"
"216.239.32.0/19"
"2001:4860::/32"
"2404:6800::/32"
"2404:f340::/32"
"2600:1900::/28"
"2607:f8b0::/32"
"2620:11a:a000::/40"
"2620:120:e000::/40"
"2800:3f0::/32"
"2a00:1450::/32"
"2c0f:fb50::/32"