https://server:2031/***/admin/index.php?module=firewall page has a Temporary Allow and Deny IP entries part that links the IPs to the following site:
http://www.senderbase.org/lookup/?search_string=8.8.8.8
but as the URL changed, it must now be lined to:
https://talosintelligence.com/reputation_center/lookup?search=8.8.8.8