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Cloudflare IP ranges

Cloudflare IPv4 and IPv6 ranges with range basis, freshness, address counts, and related network information.

Range summary

Unique IPv4 prefixes
919
Unique IPv6 prefixes
1602
Total IPv4 addresses
1,838,080
Total IPv6 addresses
2.4662 x 10^30

IP prefixes

Showing 100 prefixes per page with all applicable range bases.

CIDR Addresses First address Last address Range basis
1.0.0.0/24 256 1.0.0.0 1.0.0.255 ASN-announced
1.1.1.0/24 256 1.1.1.0 1.1.1.255 ASN-announced
5.10.214.0/23 512 5.10.214.0 5.10.215.255 ASN-announced
5.83.149.0/24 256 5.83.149.0 5.83.149.255 ASN-announced
5.226.183.0/24 256 5.226.183.0 5.226.183.255 ASN-announced
5.252.81.0/24 256 5.252.81.0 5.252.81.255 ASN-announced
8.6.112.0/24 256 8.6.112.0 8.6.112.255 ASN-announced
8.20.125.0/24 256 8.20.125.0 8.20.125.255 ASN-announced
8.21.10.0/24 256 8.21.10.0 8.21.10.255 ASN-announced
8.24.87.0/24 256 8.24.87.0 8.24.87.255 ASN-announced
8.27.64.0/24 256 8.27.64.0 8.27.64.255 ASN-announced
8.27.66.0/23 512 8.27.66.0 8.27.67.255 ASN-announced
8.29.109.0/24 256 8.29.109.0 8.29.109.255 ASN-announced
8.29.228.0/24 256 8.29.228.0 8.29.228.255 ASN-announced
8.29.230.0/23 512 8.29.230.0 8.29.231.255 ASN-announced
8.31.160.0/23 512 8.31.160.0 8.31.161.255 ASN-announced
8.34.70.0/24 256 8.34.70.0 8.34.70.255 ASN-announced
8.34.146.0/24 256 8.34.146.0 8.34.146.255 ASN-announced
8.35.211.0/24 256 8.35.211.0 8.35.211.255 ASN-announced
8.39.125.0/24 256 8.39.125.0 8.39.125.255 ASN-announced
8.39.204.0/24 256 8.39.204.0 8.39.204.255 ASN-announced
8.39.214.0/24 256 8.39.214.0 8.39.214.255 ASN-announced
8.44.61.0/24 256 8.44.61.0 8.44.61.255 ASN-announced
8.47.69.0/24 256 8.47.69.0 8.47.69.255 ASN-announced
16.5.144.0/20 4,096 16.5.144.0 16.5.159.255 ASN-announced
23.131.204.0/24 256 23.131.204.0 23.131.204.255 ASN-announced
23.145.136.0/24 256 23.145.136.0 23.145.136.255 ASN-announced
23.145.152.0/24 256 23.145.152.0 23.145.152.255 ASN-announced
23.145.248.0/24 256 23.145.248.0 23.145.248.255 ASN-announced
23.180.136.0/24 256 23.180.136.0 23.180.136.255 ASN-announced
23.227.37.0/24 256 23.227.37.0 23.227.37.255 ASN-announced
23.227.38.0/23 512 23.227.38.0 23.227.39.255 ASN-announced
23.227.42.0/23 512 23.227.42.0 23.227.43.255 ASN-announced
23.227.48.0/23 512 23.227.48.0 23.227.49.255 ASN-announced
23.227.60.0/24 256 23.227.60.0 23.227.60.255 ASN-announced
31.56.192.0/24 256 31.56.192.0 31.56.192.255 ASN-announced
31.185.108.0/24 256 31.185.108.0 31.185.108.255 ASN-announced
37.72.109.0/24 256 37.72.109.0 37.72.109.255 ASN-announced
37.153.170.0/23 512 37.153.170.0 37.153.171.255 ASN-announced
38.96.28.0/23 512 38.96.28.0 38.96.29.255 ASN-announced
42.61.47.0/24 256 42.61.47.0 42.61.47.255 ASN-announced
43.229.39.0/24 256 43.229.39.0 43.229.39.255 ASN-announced
43.230.144.0/24 256 43.230.144.0 43.230.144.255 ASN-announced
45.12.44.0/23 512 45.12.44.0 45.12.45.255 ASN-announced
45.43.147.0/24 256 45.43.147.0 45.43.147.255 ASN-announced
45.43.158.0/24 256 45.43.158.0 45.43.158.255 ASN-announced
45.45.255.0/24 256 45.45.255.0 45.45.255.255 ASN-announced
45.128.76.0/24 256 45.128.76.0 45.128.76.255 ASN-announced
45.130.106.0/24 256 45.130.106.0 45.130.106.255 ASN-announced
45.130.125.0/24 256 45.130.125.0 45.130.125.255 ASN-announced
45.134.227.0/24 256 45.134.227.0 45.134.227.255 ASN-announced
45.146.130.0/24 256 45.146.130.0 45.146.130.255 ASN-announced
45.148.100.0/24 256 45.148.100.0 45.148.100.255 ASN-announced
45.157.17.0/24 256 45.157.17.0 45.157.17.255 ASN-announced
45.192.223.0/24 256 45.192.223.0 45.192.223.255 ASN-announced
45.192.224.0/24 256 45.192.224.0 45.192.224.255 ASN-announced
45.195.153.0/24 256 45.195.153.0 45.195.153.255 ASN-announced
45.196.29.0/24 256 45.196.29.0 45.196.29.255 ASN-announced
45.196.168.0/24 256 45.196.168.0 45.196.168.255 ASN-announced
45.198.114.0/24 256 45.198.114.0 45.198.114.255 ASN-announced
45.198.116.0/24 256 45.198.116.0 45.198.116.255 ASN-announced
45.198.139.0/24 256 45.198.139.0 45.198.139.255 ASN-announced
45.199.183.0/24 256 45.199.183.0 45.199.183.255 ASN-announced
45.199.188.0/24 256 45.199.188.0 45.199.188.255 ASN-announced
46.38.152.0/24 256 46.38.152.0 46.38.152.255 ASN-announced
49.238.236.0/22 1,024 49.238.236.0 49.238.239.255 ASN-announced
51.194.144.0/22 1,024 51.194.144.0 51.194.147.255 ASN-announced
51.241.128.0/23 512 51.241.128.0 51.241.129.255 ASN-announced
57.250.49.0/24 256 57.250.49.0 57.250.49.255 ASN-announced
57.250.51.0/24 256 57.250.51.0 57.250.51.255 ASN-announced
61.8.33.0/24 256 61.8.33.0 61.8.33.255 ASN-announced
61.32.240.0/24 256 61.32.240.0 61.32.240.255 ASN-announced
61.245.108.0/24 256 61.245.108.0 61.245.108.255 ASN-announced
62.146.255.0/24 256 62.146.255.0 62.146.255.255 ASN-announced
64.8.255.0/24 256 64.8.255.0 64.8.255.255 ASN-announced
64.40.138.0/24 256 64.40.138.0 64.40.138.255 ASN-announced
64.40.140.0/24 256 64.40.140.0 64.40.140.255 ASN-announced
65.110.63.0/24 256 65.110.63.0 65.110.63.255 ASN-announced
66.71.220.0/24 256 66.71.220.0 66.71.220.255 ASN-announced
66.80.5.0/24 256 66.80.5.0 66.80.5.255 ASN-announced
66.84.82.0/24 256 66.84.82.0 66.84.82.255 ASN-announced
66.93.178.0/24 256 66.93.178.0 66.93.178.255 ASN-announced
66.203.249.0/24 256 66.203.249.0 66.203.249.255 ASN-announced
66.235.200.0/24 256 66.235.200.0 66.235.200.255 ASN-announced
66.242.60.0/23 512 66.242.60.0 66.242.61.255 ASN-announced
68.182.187.0/24 256 68.182.187.0 68.182.187.255 ASN-announced
69.87.126.0/24 256 69.87.126.0 69.87.126.255 ASN-announced
69.90.210.0/24 256 69.90.210.0 69.90.210.255 ASN-announced
72.11.158.0/24 256 72.11.158.0 72.11.158.255 ASN-announced
72.22.87.0/24 256 72.22.87.0 72.22.87.255 ASN-announced
74.1.17.0/24 256 74.1.17.0 74.1.17.255 ASN-announced
77.73.113.0/24 256 77.73.113.0 77.73.113.255 ASN-announced
78.128.122.0/24 256 78.128.122.0 78.128.122.255 ASN-announced
80.240.93.0/24 256 80.240.93.0 80.240.93.255 ASN-announced
82.21.82.0/24 256 82.21.82.0 82.21.82.255 ASN-announced
82.22.16.0/24 256 82.22.16.0 82.22.16.255 ASN-announced
82.22.21.0/24 256 82.22.21.0 82.22.21.255 ASN-announced
82.25.20.0/24 256 82.25.20.0 82.25.20.255 ASN-announced
82.26.156.0/24 256 82.26.156.0 82.26.156.255 ASN-announced
82.39.253.0/24 256 82.39.253.0 82.39.253.255 ASN-announced

Range basis and freshness

Provider-published entries are published by the provider. Third-party published entries come from independent publications. ASN-announced entries describe routing and do not prove that every address belongs to a particular product.

Range basis Prefixes Updated
Provider-published 22
ASN-announced 2504