13.81.106 is a class C of IPs

Sample IPs from the class C 13.81.106

13.81.106.249	View precise location of 13.81.106.249 on the map!
13.81.106.4	View precise location of 13.81.106.4 on the map!
13.81.106.1	View precise location of 13.81.106.1 on the map!
13.81.106.195	View precise location of 13.81.106.195 on the map!
13.81.106.102	View precise location of 13.81.106.102 on the map!
13.81.106.128	View precise location of 13.81.106.128 on the map!
13.81.106.142	View precise location of 13.81.106.142 on the map!
13.81.106.107	View precise location of 13.81.106.107 on the map!
13.81.106.162	View precise location of 13.81.106.162 on the map!
13.81.106.44	View precise location of 13.81.106.44 on the map!
13.81.106.169	View precise location of 13.81.106.169 on the map!

10 Random IPs

248.99.246.21	Find precise map location of 248.99.246.21
184.132.17.188	Find precise map location of 184.132.17.188
102.227.88.175	Find precise map location of 102.227.88.175
155.54.71.170	Find precise map location of 155.54.71.170
188.100.9.217	Find precise map location of 188.100.9.217
237.116.194.107	Find precise map location of 237.116.194.107
82.70.206.14	Find precise map location of 82.70.206.14
54.184.95.79	Find precise map location of 54.184.95.79
110.51.95.208	Find precise map location of 110.51.95.208
37.210.166.102	Find precise map location of 37.210.166.102
154.246.115.40	Find precise map location of 154.246.115.40

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