137.103 is a class B of IPs

Sample IPs from the class B 137.103

137.103.255.219	View precise location of 137.103.255.219 on the map!
137.103.143.122	View precise location of 137.103.143.122 on the map!
137.103.194.185	View precise location of 137.103.194.185 on the map!
137.103.235.228	View precise location of 137.103.235.228 on the map!
137.103.78.157	View precise location of 137.103.78.157 on the map!
137.103.165.111	View precise location of 137.103.165.111 on the map!
137.103.58.234	View precise location of 137.103.58.234 on the map!
137.103.120.181	View precise location of 137.103.120.181 on the map!
137.103.55.72	View precise location of 137.103.55.72 on the map!
137.103.254.144	View precise location of 137.103.254.144 on the map!
137.103.120.67	View precise location of 137.103.120.67 on the map!

10 Random IPs

111.62.213.190	Find precise map location of 111.62.213.190
244.4.25.205	Find precise map location of 244.4.25.205
210.175.204.124	Find precise map location of 210.175.204.124
219.200.167.121	Find precise map location of 219.200.167.121
33.8.91.19	Find precise map location of 33.8.91.19
88.79.36.182	Find precise map location of 88.79.36.182
100.153.147.109	Find precise map location of 100.153.147.109
93.149.20.62	Find precise map location of 93.149.20.62
161.25.51.250	Find precise map location of 161.25.51.250
8.94.237.222	Find precise map location of 8.94.237.222
210.140.164.234	Find precise map location of 210.140.164.234

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