This wiki plugin, available since Tiki1, can display the following about the visitor viewing the page:
info
This code:
{agentinfo}
Would produce: 3.229.135.146
{agentinfo info="IP"}
{agentinfo info="BROWSER"}
Would produce: CCBot/2.0 (https://commoncrawl.org/faq/)
{agentinfo info="SVRSW"}
Would produce: Apache/2.4.6 (CentOS) OpenSSL/1.0.2k-fips