For each conversation participant, additional DNS and WHOIS lookup are performed. IP is presented as Hostname, whereas WHOIS description is shown in a tooltip when specific conversation is hovered. Tooltip contains information about organization name and address, network range, additional description and more, depending on data availability. In screenshot above, you can see that the first address relates to organization located in Germany, you can also see network range and name of the organization. By clicking on the arrow keys in the bottom left corner of the tooltip you can switch to info for the other address in this conversation.