Madrid, Spain (2) – IP: 126.96.36.199
Texas, Dallas (US MID5) – IP: 188.8.131.52
Tokyo (Japan3) – IP: 184.108.40.206
NY, US (US-NY5) – IP: 220.127.116.11
Also, we’ve recently enlarged our list of monitoring locations by adding Istanbul, Turkey with the following IP: 18.104.22.168 .
We encourage having a minimum of 2 locations selected for improved alerting accuracy.
Find a complete list of IPs for monitoring locations here.