There is a good joke about so-called anonymity on the Internet: “Putin at an online press conference. “I just received a good question via the Internet: “Aren’t you tired, Vova, of answering anonymous questions on the Internet?” I’m answering the owner of IP 195.58.60.15, host mtu-net.ru, MTU-Inform provider, Sergei Vladimirovich Ivanov, who asked this question, living on Kartoshkina Street 13/2, apartment 112. Don’t be fooled!” So let's clarify the concepts.