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
  • 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
  • 199.27.128.0/21

IPv6

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