CloudFlare IP Ranges to unblock in Firewall

| November 19, 2015 | Cloudflare | No Comments

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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JAY

JAY is Founder of Anonymiz.com and a passionate blogger and Cyber security Professional.