163.229.81 is a class C of IPs

Sample IPs from the class C 163.229.81

163.229.81.57	View precise location of 163.229.81.57 on the map!
163.229.81.33	View precise location of 163.229.81.33 on the map!
163.229.81.247	View precise location of 163.229.81.247 on the map!
163.229.81.157	View precise location of 163.229.81.157 on the map!
163.229.81.131	View precise location of 163.229.81.131 on the map!
163.229.81.106	View precise location of 163.229.81.106 on the map!
163.229.81.120	View precise location of 163.229.81.120 on the map!
163.229.81.100	View precise location of 163.229.81.100 on the map!
163.229.81.107	View precise location of 163.229.81.107 on the map!
163.229.81.222	View precise location of 163.229.81.222 on the map!
163.229.81.104	View precise location of 163.229.81.104 on the map!

10 Random IPs

61.22.215.169	Find precise map location of 61.22.215.169
250.64.15.16	Find precise map location of 250.64.15.16
26.40.173.187	Find precise map location of 26.40.173.187
56.52.79.19	Find precise map location of 56.52.79.19
63.133.113.76	Find precise map location of 63.133.113.76
219.58.196.133	Find precise map location of 219.58.196.133
222.15.37.159	Find precise map location of 222.15.37.159
29.165.246.216	Find precise map location of 29.165.246.216
175.186.147.183	Find precise map location of 175.186.147.183
10.146.138.136	Find precise map location of 10.146.138.136
86.189.90.43	Find precise map location of 86.189.90.43

TestURI.org is a free web-sniffer.net alternative. It alows you to send custom HTTP request and check the HTTP response.