129.56.172 is a class C of IPs

Sample IPs from the class C 129.56.172

129.56.172.130	View precise location of 129.56.172.130 on the map!
129.56.172.132	View precise location of 129.56.172.132 on the map!
129.56.172.112	View precise location of 129.56.172.112 on the map!
129.56.172.59	View precise location of 129.56.172.59 on the map!
129.56.172.51	View precise location of 129.56.172.51 on the map!
129.56.172.118	View precise location of 129.56.172.118 on the map!
129.56.172.144	View precise location of 129.56.172.144 on the map!
129.56.172.50	View precise location of 129.56.172.50 on the map!
129.56.172.189	View precise location of 129.56.172.189 on the map!
129.56.172.151	View precise location of 129.56.172.151 on the map!
129.56.172.158	View precise location of 129.56.172.158 on the map!

10 Random IPs

173.240.194.244	Find precise map location of 173.240.194.244
116.214.19.55	Find precise map location of 116.214.19.55
93.228.15.195	Find precise map location of 93.228.15.195
193.68.52.166	Find precise map location of 193.68.52.166
23.122.215.24	Find precise map location of 23.122.215.24
208.57.255.114	Find precise map location of 208.57.255.114
121.185.165.186	Find precise map location of 121.185.165.186
21.95.82.163	Find precise map location of 21.95.82.163
200.134.12.160	Find precise map location of 200.134.12.160
37.222.13.90	Find precise map location of 37.222.13.90
194.141.211.115	Find precise map location of 194.141.211.115

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