CloudFlare IP Ranges to unblock in Firewall

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

IPv4

  • 103.21.244.0/22
  • 103.22.200.0/22
  • 103.31.4.0/22
  • 104.16.0.0/12
  • 108.162.192.0/18
  • 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
  • 199.27.128.0/21

Also available as a IPv4 text list.

IPv6

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

Also available as a IPv6 text list.

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