Cloudflare、Gcore、Cloudfront等CDN回源IP列表。

有时候出于一些原因（比如需将CDN IP列入白名单），我们需要获取CDN的回源IP列表，以下列出了常见CDN的IP列表。
需要注意的是有些CDN的回源IP并不用作节点IP，比如Cloudflare的回源IP仅作回源IP使用，如果要获取Cloudflare的节点IP，可前往https://bgp.tools/as/13335#prefixes。而有些CDN的回源IP同时被用作CDN节点，比如BunnyCDN和Gcore CDN。

Cloudflare

Cloudflare节点中文官网公布网址：https://www.cloudflare-cn.com/ips/
# https://www.cloudflare.com/ips-v4
103.21.244.0/22
103.22.200.0/22
103.31.4.0/22
104.16.0.0/13
104.24.0.0/14
108.162.192.0/18
131.0.72.0/22
141.101.64.0/18
162.158.0.0/15
172.64.0.0/13
173.245.48.0/20
188.114.96.0/20
190.93.240.0/20
197.234.240.0/22
198.41.128.0/17

# https://www.cloudflare.com/ips-v6
2400:cb00::/32
2405:8100::/32
2405:b500::/32
2606:4700::/32
2803:f800::/32
2a06:98c0::/29
2c0f:f248::/32

Gcore

https://api.gcore.com/cdn/public-ip-list

BunnyCDN

https://api.bunny.net/system/edgeserverlist
https://api.bunny.net/system/edgeserverlist/plain

Cloudfront

https://d7uri8nf7uskq.cloudfront.net/tools/list-cloudfront-ips
https://files.imunify360.com/static/whitelist/v2/cloudfront-cdn.txt

CDN77

https://files.imunify360.com/static/whitelist/v2/cdn77.txt

Fastly

https://api.fastly.com/public-ip-list

Keycdn

https://www.keycdn.com/shield-prefixes.json

quic.cloud

https://quic.cloud/ips

Google CDN

https://files.imunify360.com/static/whitelist/v2/google-cdn.txt

CacheFly

https://cachefly.cachefly.net/ips/cdn.txt

Akaima

https://techdocs.akamai.com/origin-ip-acl/docs/update-your-origin-server