181.173.12 is a class C of IPs

Sample IPs from the class C 181.173.12

181.173.12.23	View precise location of 181.173.12.23 on the map!
181.173.12.41	View precise location of 181.173.12.41 on the map!
181.173.12.1	View precise location of 181.173.12.1 on the map!
181.173.12.44	View precise location of 181.173.12.44 on the map!
181.173.12.52	View precise location of 181.173.12.52 on the map!
181.173.12.110	View precise location of 181.173.12.110 on the map!
181.173.12.180	View precise location of 181.173.12.180 on the map!
181.173.12.13	View precise location of 181.173.12.13 on the map!
181.173.12.51	View precise location of 181.173.12.51 on the map!
181.173.12.63	View precise location of 181.173.12.63 on the map!
181.173.12.252	View precise location of 181.173.12.252 on the map!

10 Random IPs

156.150.15.23	Find precise map location of 156.150.15.23
36.249.164.173	Find precise map location of 36.249.164.173
255.192.210.197	Find precise map location of 255.192.210.197
2.74.159.39	Find precise map location of 2.74.159.39
134.167.6.60	Find precise map location of 134.167.6.60
18.150.207.89	Find precise map location of 18.150.207.89
103.60.60.53	Find precise map location of 103.60.60.53
222.251.150.38	Find precise map location of 222.251.150.38
53.56.35.177	Find precise map location of 53.56.35.177
84.210.225.108	Find precise map location of 84.210.225.108
222.156.145.2	Find precise map location of 222.156.145.2

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