181.3.57 is a class C of IPs

Sample IPs from the class C 181.3.57

181.3.57.31	View precise location of 181.3.57.31 on the map!
181.3.57.209	View precise location of 181.3.57.209 on the map!
181.3.57.103	View precise location of 181.3.57.103 on the map!
181.3.57.245	View precise location of 181.3.57.245 on the map!
181.3.57.172	View precise location of 181.3.57.172 on the map!
181.3.57.146	View precise location of 181.3.57.146 on the map!
181.3.57.243	View precise location of 181.3.57.243 on the map!
181.3.57.107	View precise location of 181.3.57.107 on the map!
181.3.57.35	View precise location of 181.3.57.35 on the map!
181.3.57.144	View precise location of 181.3.57.144 on the map!
181.3.57.184	View precise location of 181.3.57.184 on the map!

10 Random IPs

91.124.255.216	Find precise map location of 91.124.255.216
42.188.82.191	Find precise map location of 42.188.82.191
43.176.42.217	Find precise map location of 43.176.42.217
39.101.175.5	Find precise map location of 39.101.175.5
202.174.4.190	Find precise map location of 202.174.4.190
239.65.45.62	Find precise map location of 239.65.45.62
28.115.127.143	Find precise map location of 28.115.127.143
67.59.127.128	Find precise map location of 67.59.127.128
180.132.5.77	Find precise map location of 180.132.5.77
230.240.41.168	Find precise map location of 230.240.41.168
16.46.81.253	Find precise map location of 16.46.81.253

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