198.58.138 is a class C of IPs

Sample IPs from the class C 198.58.138

198.58.138.49	View precise location of 198.58.138.49 on the map!
198.58.138.8	View precise location of 198.58.138.8 on the map!
198.58.138.5	View precise location of 198.58.138.5 on the map!
198.58.138.124	View precise location of 198.58.138.124 on the map!
198.58.138.33	View precise location of 198.58.138.33 on the map!
198.58.138.6	View precise location of 198.58.138.6 on the map!
198.58.138.219	View precise location of 198.58.138.219 on the map!
198.58.138.92	View precise location of 198.58.138.92 on the map!
198.58.138.27	View precise location of 198.58.138.27 on the map!
198.58.138.51	View precise location of 198.58.138.51 on the map!
198.58.138.59	View precise location of 198.58.138.59 on the map!

10 Random IPs

184.3.66.203	Find precise map location of 184.3.66.203
17.168.30.180	Find precise map location of 17.168.30.180
239.209.158.194	Find precise map location of 239.209.158.194
162.240.126.125	Find precise map location of 162.240.126.125
24.29.112.243	Find precise map location of 24.29.112.243
121.188.112.176	Find precise map location of 121.188.112.176
92.71.121.134	Find precise map location of 92.71.121.134
11.149.210.30	Find precise map location of 11.149.210.30
132.143.146.78	Find precise map location of 132.143.146.78
8.55.66.164	Find precise map location of 8.55.66.164
203.40.163.209	Find precise map location of 203.40.163.209

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