ditu.google.cn has one IP number , which is the same as for google.cn, but the reverse is iw-in-f160.1e100.net. g.cn, 265.com, guge.cn, guge.com, ttjj.net and at least 40 other hosts point to the same IP. google.cn is a domain controlled by five nameservers. All of them are on different IP networks. Incoming mail for google.cn is handled by four mailservers. All of them are on the same IP network. ditu.google.cn is hosted on a server in United States even though the hostname implies China.