113.108.80.252，谁可以查出这个IP是不是QQ的登陆IP？

应该不是。原因如下：

你打开你的qq，在登陆界面有个设置，你点击那个设置，在登陆服务器那个地方，类型你选择udp类型或者tcp类型，在右边的地址那里就会显示qq的登陆ip或者域名，ip你直接看，对于域名，你ping一下域名 就会解析出来地址，你对照一下即可查出来。
或者 命令提示符那个窗口里面输入nslookup 然后输入域名，下面会解析出来地址

下面的地址都是qq的登陆ip你找找有没有你说的这个
> sz2.tencent.com
Server: UnKnown
Address: 192.168.0.179

Non-authoritative answer:
Name: sz2.tencent.com
Addresses: 58.60.14.201, 58.60.14.202, 58.60.14.40, 58.60.14.41
58.60.14.47, 58.60.14.48, 58.60.14.52, 58.60.14.53, 58.60.14.54
58.60.14.55, 58.60.9.137, 58.60.9.235, 58.60.11.253, 58.60.14.102
58.60.14.193, 58.60.14.195

> sz3.tencent.com
Server: UnKnown
Address: 192.168.0.179

Non-authoritative answer:
Name: sz3.tencent.com
Addresses: 58.251.58.199, 58.251.58.200, 58.251.58.241, 58.251.61.203
58.251.62.41, 58.251.62.42, 58.251.62.61, 58.251.62.62, 58.251.62.63
58.251.62.64, 58.251.62.69, 58.251.63.107, 58.251.63.125, 58.251.63.58

58.251.63.60, 58.251.148.183

> sz4.tencent.com
Server: UnKnown
Address: 192.168.0.179

Non-authoritative answer:
Name: sz4.tencent.com
Addresses: 119.147.13.244, 113.108.80.217, 119.147.12.170, 119.147.12.188
119.147.12.189, 119.147.12.190, 119.147.12.192, 119.147.12.193, 119.14
7.12.195
119.147.12.196, 119.147.12.197, 119.147.12.198, 119.147.13.226, 119.14
7.13.227
119.147.13.230, 119.147.13.233

> sz5.tencent.com
Server: UnKnown
Address: 192.168.0.179

Non-authoritative answer:
Name: sz5.tencent.com
Addresses: 121.14.101.232, 121.14.75.60, 121.14.80.58, 121.14.95.134
121.14.95.24, 121.14.95.42, 121.14.95.43, 121.14.97.231, 121.14.97.232

119.147.65.48, 119.147.66.89, 119.147.67.251, 119.147.68.14, 119.147.6
8.17
121.14.101.171, 121.14.101.231

> sz6.tencent.com
Server: UnKnown
Address: 192.168.0.179

Non-authoritative answer:
Name: sz6.tencent.com
Addresses: 112.90.138.207, 112.90.138.211, 112.90.138.215, 112.90.138.220
112.90.138.223, 112.90.136.105, 112.90.138.144, 112.90.138.148, 112.90
.138.153
112.90.138.160, 112.90.138.189, 112.90.138.191, 112.90.138.192, 112.90
.138.195
112.90.138.196, 112.90.138.199

> tcpconn2.tencent.com
Server: UnKnown
Address: 192.168.0.179

Non-authoritative answer:
Name: tcpconn2.tencent.com
Addresses: 58.251.148.192, 58.251.148.195, 58.251.148.202, 58.251.149.232
58.251.149.233, 58.251.149.234, 58.251.149.235, 58.251.149.236, 58.251
.149.237
58.251.149.238, 58.251.149.239, 58.251.149.240, 58.251.150.137, 112.90
.137.199
112.90.138.155

> tcpconn3.tencent.com
Server: UnKnown
Address: 192.168.0.179

Non-authoritative answer:
Name: tcpconn3.tencent.com
Addresses: 58.60.9.242, 58.61.165.61, 58.61.34.20, 58.61.34.24
58.61.34.51, 58.60.14.101, 58.60.14.107, 58.60.14.114, 58.60.14.191
58.60.14.194, 58.60.14.198, 58.60.14.242, 58.60.14.46, 58.60.15.34
58.60.15.41, 58.60.15.96

> tcpconn4.tencent.com
Server: UnKnown
Address: 192.168.0.179

Non-authoritative answer:
Name: tcpconn4.tencent.com
Addresses: 119.147.18.38, 119.147.18.49, 119.147.18.50, 119.147.18.51
119.147.18.52, 119.147.18.54, 119.147.18.55, 119.147.18.56, 119.147.19
.211
119.147.19.213, 119.147.9.239, 119.147.9.78, 119.147.12.180, 119.147.1
4.144
119.147.14.146, 119.147.14.150

IP就像一个人的家庭地址一样，没有必要和楼的那位兄弟那样说得那么复杂。你直接进入这网站：http://www.ip138.com 后输入你的IP地址一查就可以知道是那里的了。