Summary
irc.pwnt.cn has one IP number , but the reverse is
dm.p4p.vip.cnb.yahoo.com.
pnxj.cn,
7040.cn,
sppc.cn,
ogxa.cn,
smii.cn and at least 100 other hosts point to the same IP.
pwnt.cn is delegated to two nameservers, however both delegated nameservers are missing in the zone. All nameservers are having a total of three IP numbers. All of them are on different IP networks.
pwnt.cn has one IP number.
irc.pwnt.cn is hosted on a server in Asia/Pacific Region even though the hostname implies China.