181.4.131 is a class C of IPs

Sample IPs from the class C 181.4.131

181.4.131.61	View precise location of 181.4.131.61 on the map!
181.4.131.53	View precise location of 181.4.131.53 on the map!
181.4.131.101	View precise location of 181.4.131.101 on the map!
181.4.131.101	View precise location of 181.4.131.101 on the map!
181.4.131.69	View precise location of 181.4.131.69 on the map!
181.4.131.80	View precise location of 181.4.131.80 on the map!
181.4.131.89	View precise location of 181.4.131.89 on the map!
181.4.131.81	View precise location of 181.4.131.81 on the map!
181.4.131.27	View precise location of 181.4.131.27 on the map!
181.4.131.36	View precise location of 181.4.131.36 on the map!
181.4.131.52	View precise location of 181.4.131.52 on the map!

10 Random IPs

80.180.228.232	Find precise map location of 80.180.228.232
55.204.109.46	Find precise map location of 55.204.109.46
90.182.161.24	Find precise map location of 90.182.161.24
86.17.80.35	Find precise map location of 86.17.80.35
130.1.255.157	Find precise map location of 130.1.255.157
132.201.11.246	Find precise map location of 132.201.11.246
180.210.222.219	Find precise map location of 180.210.222.219
204.26.29.232	Find precise map location of 204.26.29.232
32.211.135.192	Find precise map location of 32.211.135.192
198.8.206.169	Find precise map location of 198.8.206.169
142.150.255.44	Find precise map location of 142.150.255.44

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