Crisp uses a large outbound and inbound IP space. Some corporate offices or government agencies need to whitelist IP addresses their employees are allowed to use.
Here's a list that will help them whitelist Crisp (this only affects the operators using Crisp apps, not your actual website visitors).
|Email service IPs||🇳🇱 NL||
|Status Page probes||🇳🇱 NL||