138.173.207 is a class C of IPs

Sample IPs from the class C 138.173.207

138.173.207.168	View precise location of 138.173.207.168 on the map!
138.173.207.75	View precise location of 138.173.207.75 on the map!
138.173.207.20	View precise location of 138.173.207.20 on the map!
138.173.207.181	View precise location of 138.173.207.181 on the map!
138.173.207.166	View precise location of 138.173.207.166 on the map!
138.173.207.16	View precise location of 138.173.207.16 on the map!
138.173.207.28	View precise location of 138.173.207.28 on the map!
138.173.207.252	View precise location of 138.173.207.252 on the map!
138.173.207.223	View precise location of 138.173.207.223 on the map!
138.173.207.110	View precise location of 138.173.207.110 on the map!
138.173.207.139	View precise location of 138.173.207.139 on the map!

10 Random IPs

230.15.99.39	Find precise map location of 230.15.99.39
79.175.120.253	Find precise map location of 79.175.120.253
177.126.23.5	Find precise map location of 177.126.23.5
184.203.215.72	Find precise map location of 184.203.215.72
237.223.179.20	Find precise map location of 237.223.179.20
158.143.187.163	Find precise map location of 158.143.187.163
122.66.124.219	Find precise map location of 122.66.124.219
31.113.65.58	Find precise map location of 31.113.65.58
174.25.46.170	Find precise map location of 174.25.46.170
2.28.117.243	Find precise map location of 2.28.117.243
18.187.162.44	Find precise map location of 18.187.162.44

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