137.51.218 is a class C of IPs

Sample IPs from the class C 137.51.218

137.51.218.141	View precise location of 137.51.218.141 on the map!
137.51.218.206	View precise location of 137.51.218.206 on the map!
137.51.218.228	View precise location of 137.51.218.228 on the map!
137.51.218.98	View precise location of 137.51.218.98 on the map!
137.51.218.41	View precise location of 137.51.218.41 on the map!
137.51.218.216	View precise location of 137.51.218.216 on the map!
137.51.218.194	View precise location of 137.51.218.194 on the map!
137.51.218.64	View precise location of 137.51.218.64 on the map!
137.51.218.135	View precise location of 137.51.218.135 on the map!
137.51.218.172	View precise location of 137.51.218.172 on the map!
137.51.218.88	View precise location of 137.51.218.88 on the map!

10 Random IPs

246.199.116.60	Find precise map location of 246.199.116.60
5.120.98.59	Find precise map location of 5.120.98.59
59.64.211.220	Find precise map location of 59.64.211.220
214.58.130.19	Find precise map location of 214.58.130.19
131.72.182.162	Find precise map location of 131.72.182.162
58.192.42.115	Find precise map location of 58.192.42.115
165.184.43.139	Find precise map location of 165.184.43.139
201.171.82.225	Find precise map location of 201.171.82.225
212.184.54.111	Find precise map location of 212.184.54.111
92.250.181.41	Find precise map location of 92.250.181.41
211.1.109.188	Find precise map location of 211.1.109.188

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