12.81.73 is a class C of IPs

Sample IPs from the class C 12.81.73

12.81.73.132	View precise location of 12.81.73.132 on the map!
12.81.73.149	View precise location of 12.81.73.149 on the map!
12.81.73.96	View precise location of 12.81.73.96 on the map!
12.81.73.171	View precise location of 12.81.73.171 on the map!
12.81.73.48	View precise location of 12.81.73.48 on the map!
12.81.73.137	View precise location of 12.81.73.137 on the map!
12.81.73.203	View precise location of 12.81.73.203 on the map!
12.81.73.112	View precise location of 12.81.73.112 on the map!
12.81.73.14	View precise location of 12.81.73.14 on the map!
12.81.73.163	View precise location of 12.81.73.163 on the map!
12.81.73.243	View precise location of 12.81.73.243 on the map!

10 Random IPs

79.58.175.165	Find precise map location of 79.58.175.165
153.175.36.174	Find precise map location of 153.175.36.174
3.176.41.179	Find precise map location of 3.176.41.179
99.51.147.56	Find precise map location of 99.51.147.56
113.215.17.164	Find precise map location of 113.215.17.164
16.95.103.186	Find precise map location of 16.95.103.186
11.51.149.10	Find precise map location of 11.51.149.10
118.248.253.88	Find precise map location of 118.248.253.88
70.145.79.81	Find precise map location of 70.145.79.81
218.223.7.97	Find precise map location of 218.223.7.97
141.255.157.23	Find precise map location of 141.255.157.23

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