137.68.255 is a class C of IPs

Sample IPs from the class C 137.68.255

137.68.255.109	View precise location of 137.68.255.109 on the map!
137.68.255.71	View precise location of 137.68.255.71 on the map!
137.68.255.152	View precise location of 137.68.255.152 on the map!
137.68.255.102	View precise location of 137.68.255.102 on the map!
137.68.255.196	View precise location of 137.68.255.196 on the map!
137.68.255.160	View precise location of 137.68.255.160 on the map!
137.68.255.72	View precise location of 137.68.255.72 on the map!
137.68.255.245	View precise location of 137.68.255.245 on the map!
137.68.255.253	View precise location of 137.68.255.253 on the map!
137.68.255.27	View precise location of 137.68.255.27 on the map!
137.68.255.71	View precise location of 137.68.255.71 on the map!

10 Random IPs

141.114.51.131	Find precise map location of 141.114.51.131
121.135.183.137	Find precise map location of 121.135.183.137
214.115.96.67	Find precise map location of 214.115.96.67
210.103.129.236	Find precise map location of 210.103.129.236
168.221.249.114	Find precise map location of 168.221.249.114
54.5.96.42	Find precise map location of 54.5.96.42
127.34.4.73	Find precise map location of 127.34.4.73
74.103.25.145	Find precise map location of 74.103.25.145
232.247.130.127	Find precise map location of 232.247.130.127
76.239.53.214	Find precise map location of 76.239.53.214
12.135.39.147	Find precise map location of 12.135.39.147

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