137.30.40 is a class C of IPs

Sample IPs from the class C 137.30.40

137.30.40.80	View precise location of 137.30.40.80 on the map!
137.30.40.183	View precise location of 137.30.40.183 on the map!
137.30.40.27	View precise location of 137.30.40.27 on the map!
137.30.40.140	View precise location of 137.30.40.140 on the map!
137.30.40.188	View precise location of 137.30.40.188 on the map!
137.30.40.165	View precise location of 137.30.40.165 on the map!
137.30.40.56	View precise location of 137.30.40.56 on the map!
137.30.40.57	View precise location of 137.30.40.57 on the map!
137.30.40.235	View precise location of 137.30.40.235 on the map!
137.30.40.245	View precise location of 137.30.40.245 on the map!
137.30.40.161	View precise location of 137.30.40.161 on the map!

10 Random IPs

223.43.135.79	Find precise map location of 223.43.135.79
36.149.59.230	Find precise map location of 36.149.59.230
174.104.148.38	Find precise map location of 174.104.148.38
122.246.188.151	Find precise map location of 122.246.188.151
63.43.195.73	Find precise map location of 63.43.195.73
12.99.6.21	Find precise map location of 12.99.6.21
164.14.202.78	Find precise map location of 164.14.202.78
157.131.30.217	Find precise map location of 157.131.30.217
91.201.184.229	Find precise map location of 91.201.184.229
148.71.147.112	Find precise map location of 148.71.147.112
165.228.216.195	Find precise map location of 165.228.216.195

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