144.37.139 is a class C of IPs

Sample IPs from the class C 144.37.139

144.37.139.112	View precise location of 144.37.139.112 on the map!
144.37.139.206	View precise location of 144.37.139.206 on the map!
144.37.139.215	View precise location of 144.37.139.215 on the map!
144.37.139.58	View precise location of 144.37.139.58 on the map!
144.37.139.52	View precise location of 144.37.139.52 on the map!
144.37.139.82	View precise location of 144.37.139.82 on the map!
144.37.139.233	View precise location of 144.37.139.233 on the map!
144.37.139.115	View precise location of 144.37.139.115 on the map!
144.37.139.150	View precise location of 144.37.139.150 on the map!
144.37.139.191	View precise location of 144.37.139.191 on the map!
144.37.139.211	View precise location of 144.37.139.211 on the map!

10 Random IPs

70.208.5.199	Find precise map location of 70.208.5.199
141.176.169.127	Find precise map location of 141.176.169.127
104.43.180.131	Find precise map location of 104.43.180.131
78.209.57.230	Find precise map location of 78.209.57.230
120.132.12.163	Find precise map location of 120.132.12.163
227.43.57.173	Find precise map location of 227.43.57.173
197.202.128.23	Find precise map location of 197.202.128.23
198.84.98.233	Find precise map location of 198.84.98.233
30.64.59.54	Find precise map location of 30.64.59.54
11.54.78.139	Find precise map location of 11.54.78.139
106.253.120.122	Find precise map location of 106.253.120.122

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