116.128.81 is a class C of IPs

Sample IPs from the class C 116.128.81

116.128.81.216	View precise location of 116.128.81.216 on the map!
116.128.81.204	View precise location of 116.128.81.204 on the map!
116.128.81.72	View precise location of 116.128.81.72 on the map!
116.128.81.182	View precise location of 116.128.81.182 on the map!
116.128.81.107	View precise location of 116.128.81.107 on the map!
116.128.81.152	View precise location of 116.128.81.152 on the map!
116.128.81.207	View precise location of 116.128.81.207 on the map!
116.128.81.145	View precise location of 116.128.81.145 on the map!
116.128.81.151	View precise location of 116.128.81.151 on the map!
116.128.81.162	View precise location of 116.128.81.162 on the map!
116.128.81.49	View precise location of 116.128.81.49 on the map!

10 Random IPs

239.227.158.206	Find precise map location of 239.227.158.206
89.23.46.144	Find precise map location of 89.23.46.144
220.247.116.180	Find precise map location of 220.247.116.180
97.56.132.164	Find precise map location of 97.56.132.164
236.87.29.79	Find precise map location of 236.87.29.79
71.44.144.6	Find precise map location of 71.44.144.6
223.221.110.200	Find precise map location of 223.221.110.200
238.231.174.117	Find precise map location of 238.231.174.117
55.75.47.6	Find precise map location of 55.75.47.6
47.203.186.48	Find precise map location of 47.203.186.48
75.28.36.146	Find precise map location of 75.28.36.146

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