これは5年前のブログ記事であるため、古い情報である可能性があります。
Wireguard - rotate internal static IP-address
In the latest Mullvad App (Linux, macOS and Android beta) you can manually rotate WireGuard keys and internal static IP-addresses.
Keep in mind: The rotation can take up to two minutes before it propagates to all servers.
Desktop
Settings, Advanced, WireGuard Key and press Regenerate key.
Mobile
Settings, WireGuard Key and press Replace key.