Below is the range of source IP addresses for notification requests from Mackerel. In the event of a change, an announcement will be made in advance.

52.193.111.118/32
52.196.125.133/32
13.113.213.40/32
52.197.186.229/32
52.198.79.40/32
13.114.12.29/32
13.113.240.89/32
52.68.245.9/32
13.112.142.176/32
See the following page for destination IP addresses for requests from mackerel-agent.
- What is Mackerel's IP address and port number?

Records

What is the source IP address for Webhook and other services’ alert notifications from Mackerel?