To prevent potential blocking by your internal firewall or on-prem security services, it is recommended that you whitelist the below StackPath IP addresses. Whitelisting prevents 502 response codes being generated unexpectedly. You can also download the list of all blocks in .txt format from the attachment in this article at the bottom of the page.
CDN IP Blocks
| 151.139.26.0/23 | 2407:1580:1100::/40 | 151.139.58.0/23 | 2407:1580:1200::/40 |
| 151.139.32.0/24 | 2407:1580:1300::/40 | 151.139.118.0/23 | 2407:1580:1400::/40 |
| 151.139.114.0/23 | 2407:1580:1500::/40 | 2407:1580:1600::/40 | 151.139.96.0/23 |
| 151.139.40.0/22 | 2a0a:e200:1100::/40 | 151.139.76.0/23 | 2a0a:e200:1200::/40 |
| 151.139.90.0/23 | 2a0a:e200:1300::/40 | 151.139.78.0/23 | 2a0a:e200:1400::/40 |
| 151.139.84.0/22 | 2a0a:e200:1500::/40 | 151.139.80.0/22 | 2a0a:e200:1600::/40 |
| 64.125.76.64/27 | 94.31.33.160/27 | 119.81.0.104/30 | 158.85.206.228/32 |
| 64.125.76.96/27 | 94.31.33.192/27 | 119.81.1.144/30 | 158.85.206.231/32 |
| 151.139.94.0/23 | 2a0a:e200:1700::/40 | 151.139.88.0/23 | 2a0a:e200:1800::/40 |
| 151.139.52.0/22 | 2604:6840:1200::/40 | 151.139.48.0/22 | 2604:6840:1300::/40 |
| 151.139.44.0/22 | 2604:6840:1400::/40 | 151.139.28.0/22 | 2604:6840:1500::/40 |
| 151.139.68.0/22 | 2604:6840:1600::/40 | 151.139.64.0/23 | 2604:6840:1700::/40 |
| 151.139.66.0/23 | 2604:6840:1800::/40 | 151.139.72.0/22 | 2604:6840:1900::/40 |
| 151.139.60.0/22 | 2604:6840:1a00::/40 | 151.139.116.0/23 | 2604:6840:1b00::/40 |
| 151.139.92.0/23 | 2604:6840:1c00::/40 | 151.139.126.0/23 | 2604:6840:1d00::/40 |
CDN Complete iptables list
iptables -I INPUT -s 151.139.26.0/23 -p tcp -m multiport --dports 80,443 -j ACCEPT iptables -I INPUT -s 151.139.58.0/23 -p tcp -m multiport --dports 80,443 -j ACCEPT iptables -I INPUT -s 151.139.32.0/24 -p tcp -m multiport --dports 80,443 -j ACCEPT iptables -I INPUT -s 151.139.118.0/23 -p tcp -m multiport --dports 80,443 -j ACCEPT iptables -I INPUT -s 151.139.114.0/23 -p tcp -m multiport --dports 80,443 -j ACCEPT iptables -I INPUT -s 151.139.98.0/23 -p tcp -m multiport --dports 80,443 -j ACCEPT iptables -I INPUT -s 151.139.96.0/23 -p tcp -m multiport --dports 80,443 -j ACCEPT iptables -I INPUT -s 151.139.40.0/22 -p tcp -m multiport --dports 80,443 -j ACCEPT iptables -I INPUT -s 151.139.76.0/23 -p tcp -m multiport --dports 80,443 -j ACCEPT iptables -I INPUT -s 151.139.90.0/23 -p tcp -m multiport --dports 80,443 -j ACCEPT iptables -I INPUT -s 151.139.78.0/23 -p tcp -m multiport --dports 80,443 -j ACCEPT iptables -I INPUT -s 151.139.84.0/22 -p tcp -m multiport --dports 80,443 -j ACCEPT iptables -I INPUT -s 151.139.80.0/22 -p tcp -m multiport --dports 80,443 -j ACCEPT iptables -I INPUT -s 151.139.94.0/23 -p tcp -m multiport --dports 80,443 -j ACCEPT iptables -I INPUT -s 151.139.88.0/23 -p tcp -m multiport --dports 80,443 -j ACCEPT iptables -I INPUT -s 151.139.52.0/22 -p tcp -m multiport --dports 80,443 -j ACCEPT iptables -I INPUT -s 151.139.48.0/22 -p tcp -m multiport --dports 80,443 -j ACCEPT iptables -I INPUT -s 151.139.44.0/22 -p tcp -m multiport --dports 80,443 -j ACCEPT iptables -I INPUT -s 151.139.28.0/22 -p tcp -m multiport --dports 80,443 -j ACCEPT iptables -I INPUT -s 151.139.68.0/22 -p tcp -m multiport --dports 80,443 -j ACCEPT iptables -I INPUT -s 151.139.64.0/23 -p tcp -m multiport --dports 80,443 -j ACCEPT iptables -I INPUT -s 151.139.66.0/23 -p tcp -m multiport --dports 80,443 -j ACCEPT iptables -I INPUT -s 151.139.72.0/22 -p tcp -m multiport --dports 80,443 -j ACCEPT iptables -I INPUT -s 151.139.60.0/22 -p tcp -m multiport --dports 80,443 -j ACCEPT iptables -I INPUT -s 151.139.116.0/23 -p tcp -m multiport --dports 80,443 -j ACCEPT iptables -I INPUT -s 151.139.92.0/23 -p tcp -m multiport --dports 80,443 -j ACCEPT iptables -I INPUT -s 151.139.126.0/23 -p tcp -m multiport --dports 80,443 -j ACCEPT iptables -I INPUT -s 119.81.0.104/30 -p tcp -m multiport --dports 80,443 -j ACCEPT iptables -I INPUT -s 119.81.1.144/30 -p tcp -m multiport --dports 80,443 -j ACCEPT iptables -I INPUT -s 64.125.76.64/27 -p tcp -m multiport --dports 80,443 -j ACCEPT iptables -I INPUT -s 64.125.76.96/27 -p tcp -m multiport --dports 80,443 -j ACCEPT iptables -I INPUT -s 94.31.33.160/27 -p tcp -m multiport --dports 80,443 -j ACCEPT iptables -I INPUT -s 94.31.33.192/27 -p tcp -m multiport --dports 80,443 -j ACCEPT iptables -I INPUT -s 119.81.0.104/30 -p tcp -m multiport --dports 80,443 -j ACCEPT iptables -I INPUT -s 119.81.1.144/30 -p tcp -m multiport --dports 80,443 -j ACCEPT iptables -I INPUT -s 158.85.206.228/32 -p tcp -m multiport --dports 80,443 -j ACCEPT iptables -I INPUT -s 158.85.206.231/32 -p tcp -m multiport --dports 80,443 -j ACCEPT iptables6 -I INPUT -s 2407:1580:1100::/40 -p tcp -m multiport --dports 80,443 -j ACCEPT iptables6 -I INPUT -s 2407:1580:1200::/40 -p tcp -m multiport --dports 80,443 -j ACCEPT iptables6 -I INPUT -s 2407:1580:1300::/40 -p tcp -m multiport --dports 80,443 -j ACCEPT iptables6 -I INPUT -s 2407:1580:1400::/40 -p tcp -m multiport --dports 80,443 -j ACCEPT iptables6 -I INPUT -s 2407:1580:1500::/40 -p tcp -m multiport --dports 80,443 -j ACCEPT iptables6 -I INPUT -s 2407:1580:1600::/40 -p tcp -m multiport --dports 80,443 -j ACCEPT iptables6 -I INPUT -s 2407:1580:1700::/40 -p tcp -m multiport --dports 80,443 -j ACCEPT iptables6 -I INPUT -s 2407:1580:1800::/40 -p tcp -m multiport --dports 80,443 -j ACCEPT iptables6 -I INPUT -s 2a0a:e200:1100::/40 -p tcp -m multiport --dports 80,443 -j ACCEPT iptables6 -I INPUT -s 2a0a:e200:1200::/40 -p tcp -m multiport --dports 80,443 -j ACCEPT iptables6 -I INPUT -s 2a0a:e200:1300::/40 -p tcp -m multiport --dports 80,443 -j ACCEPT iptables6 -I INPUT -s 2a0a:e200:1400::/40 -p tcp -m multiport --dports 80,443 -j ACCEPT iptables6 -I INPUT -s 2a0a:e200:1500::/40 -p tcp -m multiport --dports 80,443 -j ACCEPT iptables6 -I INPUT -s 2a0a:e200:1600::/40 -p tcp -m multiport --dports 80,443 -j ACCEPT iptables6 -I INPUT -s 2a0a:e200:1700::/40 -p tcp -m multiport --dports 80,443 -j ACCEPT iptables6 -I INPUT -s 2a0a:e200:1800::/40 -p tcp -m multiport --dports 80,443 -j ACCEPT iptables6 -I INPUT -s 2604:6840:1200::/40 -p tcp -m multiport --dports 80,443 -j ACCEPT iptables6 -I INPUT -s 2604:6840:1300::/40 -p tcp -m multiport --dports 80,443 -j ACCEPT iptables6 -I INPUT -s 2604:6840:1400::/40 -p tcp -m multiport --dports 80,443 -j ACCEPT iptables6 -I INPUT -s 2604:6840:1500::/40 -p tcp -m multiport --dports 80,443 -j ACCEPT iptables6 -I INPUT -s 2604:6840:1600::/40 -p tcp -m multiport --dports 80,443 -j ACCEPT iptables6 -I INPUT -s 2604:6840:1700::/40 -p tcp -m multiport --dports 80,443 -j ACCEPT iptables6 -I INPUT -s 2604:6840:1800::/40 -p tcp -m multiport --dports 80,443 -j ACCEPT iptables6 -I INPUT -s 2604:6840:1900::/40 -p tcp -m multiport --dports 80,443 -j ACCEPT iptables6 -I INPUT -s 2604:6840:1a00::/40 -p tcp -m multiport --dports 80,443 -j ACCEPT iptables6 -I INPUT -s 2604:6840:1b00::/40 -p tcp -m multiport --dports 80,443 -j ACCEPT iptables6 -I INPUT -s 2604:6840:1c00::/40 -p tcp -m multiport --dports 80,443 -j ACCEPT iptables6 -I INPUT -s 2604:6840:1d00::/40 -p tcp -m multiport --dports 80,443 -j ACCEPT
Monitoring Service IP Blocks
| 81.171.108.198 | 81.171.108.199 | 108.61.185.90 | 104.156.232.232 |
| 138.122.234.150 | 138.122.234.151 | 37.235.52.70 | 37.235.52.196 |
| 120.26.119.191 | 121.41.93.88 | 151.236.21.35 | 151.236.21.87 |
| 81.171.75.194 | 81.171.81.209 | 151.236.24.35 | 151.236.24.50 |
| 34.249.164.113 | 54.76.234.169 | 149.154.157.239 | 151.236.18.167 |
| 104.214.150.207 | 104.214.147.166 | 173.245.217.176 | 173.245.217.177 |
| 45.32.45.117 | 45.32.52.15 | 151.236.14.231 | 151.236.14.238 |
| 176.67.84.249 | 185.99.132.203 | 176.67.84.254 | 185.99.132.195 |
| 173.245.211.194 | 173.245.211.195 | 104.238.41.147 | 129.232.244.141 |
| 151.236.23.78 | 151.236.23.142 | 46.246.93.179 | 46.246.126.136 |
| 213.183.56.71 | 213.183.56.187 | 185.157.232.52 | 185.157.233.153 |
| 45.32.183.237 | 45.32.179.191 | 95.138.170.88 | 95.138.175.4 |
| 23.253.20.207 | 23.253.22.201 | 104.140.105.152 | 104.140.105.165 |
| 45.32.69.31 | 45.32.94.5 | 195.181.168.151 | 195.181.168.150 |
| 52.52.23.91 | 52.53.106.71 | 216.151.183.166 | 216.151.183.167 |
| 104.238.157.42 | 45.32.225.132 | 34.201.233.220 | 34.203.52.30 |
| 149.154.159.21 | 158.255.208.86 | 151.236.15.26 | 151.236.20.95 |
| 176.119.30.197 | 176.119.30.198 | 80.246.28.30 | 80.246.28.31 |
| 81.171.110.200 | 173.245.203.164 | 209.107.216.205 | 209.107.216.206 |
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ipblocks.txt
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