So i looked up, http://www.geo.tv/chat/ and it uses software from http://paprachat.com i can find no evidence that it uses IRCd as its back end...
"Since 1996, ParaChat chat software has been used by S&P 500 companies, small businesses and personal web sites alike to increase revenue and productivity, and to raise web site awareness, membership, traffic and visit duration.
ParaChat is a powerful, fast and easy-to-use chat software coupled with impeccable reliability and a rock-solid network. In under 5 minutes, ParaChat service can be implemented in your own web site to add the live interaction that is missing, and that your visitors expect. "
However that makes me think wow, i want to buy it!!!! THINK OF ALL THE REVENUE!!!
Not rly.