[Oct 6, 2025]
These changes are essential only if you’ve previously whitelisted our uptime monitoring IPs in your firewall; otherwise, no action is required on your part.
The changes below will take effect on October 15, 2025. However, you can make modifications to your firewall at any point until then.
The following nodes will be removed from our global monitoring network:
- New York 9: 23.226.128.254
- New York 10: 194.33.45.219
- San Francisco 6: 23.108.190.195
- San Francisco 7: 66.63.177.246
- Dallas 6: 96.44.142.174
- Warsaw 3: 5.22.223.148
- Warsaw 4: 50.3.181.10
The following nodes will be added to our global monitoring network:
- New York 9: 67.213.120.27
- New York 10: 94.154.159.133
- New York 11: 66.206.13.170
- New York 12: 79.127.243.80
- San Francisco 6: 23.106.180.172
- San Francisco 7: 69.67.149.243
- San Francisco 9: 104.194.8.169
- San Francisco 10: 172.235.62.113
- San Francisco 11: 66.42.97.101
- Dallas 6: 207.188.6.20
- Dallas 7: 121.127.40.34
- Amsterdam 8: 217.195.155.50
- London 9: 94.72.181.90
- London 10: 185.38.148.144
- London 11: 51.89.144.57
- Frankfurt 8: 66.206.25.250
- Frankfurt 9: 164.92.161.215
- Frankfurt 10: 172.105.249.219
- Frankfurt 11: 152.53.124.134
- Frankfurt 12: 51.89.47.4
- Singapore 9: 51.79.212.229
- Sydney 7: 91.242.215.225
- Sydney 8: 139.99.233.44
- São Paulo 6: 45.158.39.210
- Tokyo 6: 199.254.199.6
- Mumbai 5: 65.20.70.55
- Mumbai 6: 181.41.142.170
- Mumbai 7: 148.113.25.248
- Warsaw 3: 84.17.55.195
- Warsaw 4: 151.115.123.218
- Warsaw 5: 51.38.143.147
- Warsaw 6: 70.34.248.245
Find the full list of our uptime monitoring nodes here:
https://docs.hetrixtools.com/uptime-monitoring-nodes/
Resources:
Up-to-date list of our monitoring IPs
Up-to-date list of our monitoring IPs (plain text)
[Guide] How to whitelist our IPs in CSF