42.57.37 is a class C of IPs

Sample IPs from the class C 42.57.37

42.57.37.137	View precise location of 42.57.37.137 on the map!
42.57.37.6	View precise location of 42.57.37.6 on the map!
42.57.37.240	View precise location of 42.57.37.240 on the map!
42.57.37.121	View precise location of 42.57.37.121 on the map!
42.57.37.28	View precise location of 42.57.37.28 on the map!
42.57.37.186	View precise location of 42.57.37.186 on the map!
42.57.37.145	View precise location of 42.57.37.145 on the map!
42.57.37.36	View precise location of 42.57.37.36 on the map!
42.57.37.36	View precise location of 42.57.37.36 on the map!
42.57.37.20	View precise location of 42.57.37.20 on the map!
42.57.37.228	View precise location of 42.57.37.228 on the map!

10 Random IPs

156.233.157.198	Find precise map location of 156.233.157.198
100.46.240.53	Find precise map location of 100.46.240.53
254.183.41.89	Find precise map location of 254.183.41.89
132.84.66.160	Find precise map location of 132.84.66.160
10.209.106.248	Find precise map location of 10.209.106.248
93.94.154.169	Find precise map location of 93.94.154.169
40.81.110.241	Find precise map location of 40.81.110.241
83.108.255.89	Find precise map location of 83.108.255.89
223.3.136.117	Find precise map location of 223.3.136.117
82.172.247.119	Find precise map location of 82.172.247.119
206.189.196.28	Find precise map location of 206.189.196.28

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