158.38.99 is a class C of IPs

Sample IPs from the class C 158.38.99

158.38.99.166	View precise location of 158.38.99.166 on the map!
158.38.99.223	View precise location of 158.38.99.223 on the map!
158.38.99.31	View precise location of 158.38.99.31 on the map!
158.38.99.49	View precise location of 158.38.99.49 on the map!
158.38.99.173	View precise location of 158.38.99.173 on the map!
158.38.99.154	View precise location of 158.38.99.154 on the map!
158.38.99.171	View precise location of 158.38.99.171 on the map!
158.38.99.55	View precise location of 158.38.99.55 on the map!
158.38.99.30	View precise location of 158.38.99.30 on the map!
158.38.99.186	View precise location of 158.38.99.186 on the map!
158.38.99.178	View precise location of 158.38.99.178 on the map!

10 Random IPs

190.63.49.171	Find precise map location of 190.63.49.171
229.18.31.12	Find precise map location of 229.18.31.12
89.236.244.45	Find precise map location of 89.236.244.45
61.204.141.42	Find precise map location of 61.204.141.42
28.213.52.189	Find precise map location of 28.213.52.189
232.49.64.135	Find precise map location of 232.49.64.135
173.176.246.178	Find precise map location of 173.176.246.178
160.153.129.90	Find precise map location of 160.153.129.90
240.196.51.223	Find precise map location of 240.196.51.223
80.188.204.73	Find precise map location of 80.188.204.73
221.226.60.23	Find precise map location of 221.226.60.23

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