236.243.81 is a class C of IPs

Sample IPs from the class C 236.243.81

236.243.81.68	View precise location of 236.243.81.68 on the map!
236.243.81.3	View precise location of 236.243.81.3 on the map!
236.243.81.194	View precise location of 236.243.81.194 on the map!
236.243.81.36	View precise location of 236.243.81.36 on the map!
236.243.81.117	View precise location of 236.243.81.117 on the map!
236.243.81.171	View precise location of 236.243.81.171 on the map!
236.243.81.117	View precise location of 236.243.81.117 on the map!
236.243.81.231	View precise location of 236.243.81.231 on the map!
236.243.81.191	View precise location of 236.243.81.191 on the map!
236.243.81.154	View precise location of 236.243.81.154 on the map!
236.243.81.223	View precise location of 236.243.81.223 on the map!

10 Random IPs

231.104.147.219	Find precise map location of 231.104.147.219
22.24.97.54	Find precise map location of 22.24.97.54
28.219.59.232	Find precise map location of 28.219.59.232
252.172.29.91	Find precise map location of 252.172.29.91
23.144.186.228	Find precise map location of 23.144.186.228
90.23.168.109	Find precise map location of 90.23.168.109
192.46.166.175	Find precise map location of 192.46.166.175
32.172.12.55	Find precise map location of 32.172.12.55
101.36.210.117	Find precise map location of 101.36.210.117
13.186.128.14	Find precise map location of 13.186.128.14
101.249.145.177	Find precise map location of 101.249.145.177

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