193.21.168 is a class C of IPs

Sample IPs from the class C 193.21.168

193.21.168.189	View precise location of 193.21.168.189 on the map!
193.21.168.65	View precise location of 193.21.168.65 on the map!
193.21.168.69	View precise location of 193.21.168.69 on the map!
193.21.168.127	View precise location of 193.21.168.127 on the map!
193.21.168.93	View precise location of 193.21.168.93 on the map!
193.21.168.51	View precise location of 193.21.168.51 on the map!
193.21.168.174	View precise location of 193.21.168.174 on the map!
193.21.168.191	View precise location of 193.21.168.191 on the map!
193.21.168.59	View precise location of 193.21.168.59 on the map!
193.21.168.66	View precise location of 193.21.168.66 on the map!
193.21.168.153	View precise location of 193.21.168.153 on the map!

10 Random IPs

237.75.109.148	Find precise map location of 237.75.109.148
47.213.39.103	Find precise map location of 47.213.39.103
109.185.91.206	Find precise map location of 109.185.91.206
133.112.172.137	Find precise map location of 133.112.172.137
27.48.172.148	Find precise map location of 27.48.172.148
184.50.231.110	Find precise map location of 184.50.231.110
45.8.192.167	Find precise map location of 45.8.192.167
249.247.22.73	Find precise map location of 249.247.22.73
152.33.172.45	Find precise map location of 152.33.172.45
48.233.225.248	Find precise map location of 48.233.225.248
137.213.226.194	Find precise map location of 137.213.226.194

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