138.56.191 is a class C of IPs

Sample IPs from the class C 138.56.191

138.56.191.28	View precise location of 138.56.191.28 on the map!
138.56.191.109	View precise location of 138.56.191.109 on the map!
138.56.191.135	View precise location of 138.56.191.135 on the map!
138.56.191.232	View precise location of 138.56.191.232 on the map!
138.56.191.183	View precise location of 138.56.191.183 on the map!
138.56.191.77	View precise location of 138.56.191.77 on the map!
138.56.191.168	View precise location of 138.56.191.168 on the map!
138.56.191.53	View precise location of 138.56.191.53 on the map!
138.56.191.112	View precise location of 138.56.191.112 on the map!
138.56.191.223	View precise location of 138.56.191.223 on the map!
138.56.191.148	View precise location of 138.56.191.148 on the map!

10 Random IPs

240.177.85.143	Find precise map location of 240.177.85.143
20.182.188.113	Find precise map location of 20.182.188.113
19.90.34.64	Find precise map location of 19.90.34.64
141.151.139.233	Find precise map location of 141.151.139.233
85.235.245.194	Find precise map location of 85.235.245.194
202.33.151.193	Find precise map location of 202.33.151.193
253.24.76.168	Find precise map location of 253.24.76.168
61.245.93.146	Find precise map location of 61.245.93.146
232.138.95.173	Find precise map location of 232.138.95.173
14.75.254.181	Find precise map location of 14.75.254.181
35.168.120.240	Find precise map location of 35.168.120.240

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