203.147.81 is a class C of IPs

Sample IPs from the class C 203.147.81

203.147.81.236	View precise location of 203.147.81.236 on the map!
203.147.81.147	View precise location of 203.147.81.147 on the map!
203.147.81.102	View precise location of 203.147.81.102 on the map!
203.147.81.224	View precise location of 203.147.81.224 on the map!
203.147.81.48	View precise location of 203.147.81.48 on the map!
203.147.81.76	View precise location of 203.147.81.76 on the map!
203.147.81.209	View precise location of 203.147.81.209 on the map!
203.147.81.42	View precise location of 203.147.81.42 on the map!
203.147.81.246	View precise location of 203.147.81.246 on the map!
203.147.81.199	View precise location of 203.147.81.199 on the map!
203.147.81.168	View precise location of 203.147.81.168 on the map!

10 Random IPs

208.114.66.224	Find precise map location of 208.114.66.224
240.246.50.19	Find precise map location of 240.246.50.19
6.134.97.196	Find precise map location of 6.134.97.196
111.201.2.181	Find precise map location of 111.201.2.181
228.69.161.79	Find precise map location of 228.69.161.79
171.192.30.36	Find precise map location of 171.192.30.36
31.71.208.16	Find precise map location of 31.71.208.16
189.74.93.68	Find precise map location of 189.74.93.68
79.120.185.22	Find precise map location of 79.120.185.22
76.242.133.177	Find precise map location of 76.242.133.177
197.175.90.21	Find precise map location of 197.175.90.21

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