168.89.81 is a class C of IPs

Sample IPs from the class C 168.89.81

168.89.81.196	View precise location of 168.89.81.196 on the map!
168.89.81.109	View precise location of 168.89.81.109 on the map!
168.89.81.183	View precise location of 168.89.81.183 on the map!
168.89.81.171	View precise location of 168.89.81.171 on the map!
168.89.81.111	View precise location of 168.89.81.111 on the map!
168.89.81.53	View precise location of 168.89.81.53 on the map!
168.89.81.56	View precise location of 168.89.81.56 on the map!
168.89.81.244	View precise location of 168.89.81.244 on the map!
168.89.81.243	View precise location of 168.89.81.243 on the map!
168.89.81.191	View precise location of 168.89.81.191 on the map!
168.89.81.142	View precise location of 168.89.81.142 on the map!

10 Random IPs

116.99.37.17	Find precise map location of 116.99.37.17
185.64.104.191	Find precise map location of 185.64.104.191
111.14.17.195	Find precise map location of 111.14.17.195
221.152.16.15	Find precise map location of 221.152.16.15
192.114.153.155	Find precise map location of 192.114.153.155
39.172.233.75	Find precise map location of 39.172.233.75
61.8.145.30	Find precise map location of 61.8.145.30
253.29.146.223	Find precise map location of 253.29.146.223
253.19.17.224	Find precise map location of 253.19.17.224
122.138.125.148	Find precise map location of 122.138.125.148
61.255.190.107	Find precise map location of 61.255.190.107

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