158.99.131 is a class C of IPs

Sample IPs from the class C 158.99.131

158.99.131.115	View precise location of 158.99.131.115 on the map!
158.99.131.187	View precise location of 158.99.131.187 on the map!
158.99.131.157	View precise location of 158.99.131.157 on the map!
158.99.131.150	View precise location of 158.99.131.150 on the map!
158.99.131.219	View precise location of 158.99.131.219 on the map!
158.99.131.102	View precise location of 158.99.131.102 on the map!
158.99.131.168	View precise location of 158.99.131.168 on the map!
158.99.131.153	View precise location of 158.99.131.153 on the map!
158.99.131.2	View precise location of 158.99.131.2 on the map!
158.99.131.96	View precise location of 158.99.131.96 on the map!
158.99.131.59	View precise location of 158.99.131.59 on the map!

10 Random IPs

94.131.219.171	Find precise map location of 94.131.219.171
111.217.213.75	Find precise map location of 111.217.213.75
202.8.230.74	Find precise map location of 202.8.230.74
161.137.70.37	Find precise map location of 161.137.70.37
47.33.124.215	Find precise map location of 47.33.124.215
127.25.71.141	Find precise map location of 127.25.71.141
171.105.229.250	Find precise map location of 171.105.229.250
238.25.219.88	Find precise map location of 238.25.219.88
121.130.219.184	Find precise map location of 121.130.219.184
66.155.112.229	Find precise map location of 66.155.112.229
177.90.161.29	Find precise map location of 177.90.161.29

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