151.55.139 is a class C of IPs

Sample IPs from the class C 151.55.139

151.55.139.184	View precise location of 151.55.139.184 on the map!
151.55.139.142	View precise location of 151.55.139.142 on the map!
151.55.139.82	View precise location of 151.55.139.82 on the map!
151.55.139.135	View precise location of 151.55.139.135 on the map!
151.55.139.172	View precise location of 151.55.139.172 on the map!
151.55.139.39	View precise location of 151.55.139.39 on the map!
151.55.139.136	View precise location of 151.55.139.136 on the map!
151.55.139.105	View precise location of 151.55.139.105 on the map!
151.55.139.62	View precise location of 151.55.139.62 on the map!
151.55.139.194	View precise location of 151.55.139.194 on the map!
151.55.139.26	View precise location of 151.55.139.26 on the map!

10 Random IPs

216.54.112.204	Find precise map location of 216.54.112.204
78.119.154.85	Find precise map location of 78.119.154.85
65.85.224.142	Find precise map location of 65.85.224.142
249.96.241.166	Find precise map location of 249.96.241.166
215.168.31.244	Find precise map location of 215.168.31.244
129.195.87.134	Find precise map location of 129.195.87.134
254.88.172.251	Find precise map location of 254.88.172.251
122.173.203.171	Find precise map location of 122.173.203.171
203.186.65.171	Find precise map location of 203.186.65.171
84.116.83.222	Find precise map location of 84.116.83.222
243.145.197.32	Find precise map location of 243.145.197.32

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