45.181.21 is a class C of IPs

Sample IPs from the class C 45.181.21

45.181.21.191	View precise location of 45.181.21.191 on the map!
45.181.21.208	View precise location of 45.181.21.208 on the map!
45.181.21.253	View precise location of 45.181.21.253 on the map!
45.181.21.34	View precise location of 45.181.21.34 on the map!
45.181.21.178	View precise location of 45.181.21.178 on the map!
45.181.21.47	View precise location of 45.181.21.47 on the map!
45.181.21.218	View precise location of 45.181.21.218 on the map!
45.181.21.166	View precise location of 45.181.21.166 on the map!
45.181.21.69	View precise location of 45.181.21.69 on the map!
45.181.21.247	View precise location of 45.181.21.247 on the map!
45.181.21.233	View precise location of 45.181.21.233 on the map!

10 Random IPs

45.41.27.144	Find precise map location of 45.41.27.144
227.253.162.11	Find precise map location of 227.253.162.11
68.123.13.47	Find precise map location of 68.123.13.47
63.254.254.91	Find precise map location of 63.254.254.91
235.152.195.63	Find precise map location of 235.152.195.63
143.229.29.139	Find precise map location of 143.229.29.139
122.157.52.225	Find precise map location of 122.157.52.225
92.55.54.131	Find precise map location of 92.55.54.131
59.228.153.243	Find precise map location of 59.228.153.243
88.217.160.30	Find precise map location of 88.217.160.30
191.120.227.32	Find precise map location of 191.120.227.32

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