128.181.143 is a class C of IPs

Sample IPs from the class C 128.181.143

128.181.143.131	View precise location of 128.181.143.131 on the map!
128.181.143.255	View precise location of 128.181.143.255 on the map!
128.181.143.148	View precise location of 128.181.143.148 on the map!
128.181.143.180	View precise location of 128.181.143.180 on the map!
128.181.143.201	View precise location of 128.181.143.201 on the map!
128.181.143.124	View precise location of 128.181.143.124 on the map!
128.181.143.73	View precise location of 128.181.143.73 on the map!
128.181.143.218	View precise location of 128.181.143.218 on the map!
128.181.143.232	View precise location of 128.181.143.232 on the map!
128.181.143.216	View precise location of 128.181.143.216 on the map!
128.181.143.190	View precise location of 128.181.143.190 on the map!

10 Random IPs

10.151.75.88	Find precise map location of 10.151.75.88
234.111.178.206	Find precise map location of 234.111.178.206
159.206.244.12	Find precise map location of 159.206.244.12
255.56.233.101	Find precise map location of 255.56.233.101
37.146.147.215	Find precise map location of 37.146.147.215
123.246.235.224	Find precise map location of 123.246.235.224
185.228.67.249	Find precise map location of 185.228.67.249
250.171.8.105	Find precise map location of 250.171.8.105
78.31.167.165	Find precise map location of 78.31.167.165
106.215.185.73	Find precise map location of 106.215.185.73
5.66.173.122	Find precise map location of 5.66.173.122

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