137.83.53 is a class C of IPs

Sample IPs from the class C 137.83.53

137.83.53.221	View precise location of 137.83.53.221 on the map!
137.83.53.13	View precise location of 137.83.53.13 on the map!
137.83.53.102	View precise location of 137.83.53.102 on the map!
137.83.53.178	View precise location of 137.83.53.178 on the map!
137.83.53.136	View precise location of 137.83.53.136 on the map!
137.83.53.90	View precise location of 137.83.53.90 on the map!
137.83.53.57	View precise location of 137.83.53.57 on the map!
137.83.53.89	View precise location of 137.83.53.89 on the map!
137.83.53.49	View precise location of 137.83.53.49 on the map!
137.83.53.183	View precise location of 137.83.53.183 on the map!
137.83.53.34	View precise location of 137.83.53.34 on the map!

10 Random IPs

30.49.5.205	Find precise map location of 30.49.5.205
190.114.123.95	Find precise map location of 190.114.123.95
243.41.109.120	Find precise map location of 243.41.109.120
127.38.60.175	Find precise map location of 127.38.60.175
125.119.159.247	Find precise map location of 125.119.159.247
23.17.94.64	Find precise map location of 23.17.94.64
46.186.3.5	Find precise map location of 46.186.3.5
64.21.10.1	Find precise map location of 64.21.10.1
251.246.218.52	Find precise map location of 251.246.218.52
6.149.220.232	Find precise map location of 6.149.220.232
63.8.50.91	Find precise map location of 63.8.50.91

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