SmartWhois

SmartWhois是一个非常有用的网络信息工具，使您可以查找一个IP地址的所有可用信息，主机名或域名，包括国家，州或省，城市，网络供应商的名称，管理员和技术支持联系信息。

SmartWhois is a useful network information utility that allows you to look up all the available information about an IP address, hostname or domain, including country, state or province, city, name of the network provider, administrator and technical support contact information.