CloudFlare IP Ranges

Some applications or host providers might find it handy to know about CloudFlare's IPs. This page is intended to be the definitive source of CloudFlare's current IP ranges.


IPv4

199.27.128.0/21
173.245.48.0/20
103.21.244.0/22
103.22.200.0/22
103.31.4.0/22
141.101.64.0/18
108.162.192.0/18
190.93.240.0/20
188.114.96.0/20
197.234.240.0/22
198.41.128.0/17
162.158.0.0/15
104.16.0.0/12

Also available as a IPv4 text list.

IPv6

2400:cb00::/32
2606:4700::/32
2803:f800::/32
2405:b500::/32
2405:8100::/32

Also available as a IPv6 text list.