171.18.221 is a class C of IPs

Sample IPs from the class C 171.18.221

171.18.221.70	View precise location of 171.18.221.70 on the map!
171.18.221.167	View precise location of 171.18.221.167 on the map!
171.18.221.208	View precise location of 171.18.221.208 on the map!
171.18.221.128	View precise location of 171.18.221.128 on the map!
171.18.221.89	View precise location of 171.18.221.89 on the map!
171.18.221.13	View precise location of 171.18.221.13 on the map!
171.18.221.173	View precise location of 171.18.221.173 on the map!
171.18.221.213	View precise location of 171.18.221.213 on the map!
171.18.221.247	View precise location of 171.18.221.247 on the map!
171.18.221.23	View precise location of 171.18.221.23 on the map!
171.18.221.32	View precise location of 171.18.221.32 on the map!

10 Random IPs

30.224.140.227	Find precise map location of 30.224.140.227
103.71.176.176	Find precise map location of 103.71.176.176
174.247.167.218	Find precise map location of 174.247.167.218
6.5.130.29	Find precise map location of 6.5.130.29
111.173.108.236	Find precise map location of 111.173.108.236
213.181.198.88	Find precise map location of 213.181.198.88
205.86.41.4	Find precise map location of 205.86.41.4
245.99.158.80	Find precise map location of 245.99.158.80
152.98.204.77	Find precise map location of 152.98.204.77
202.93.123.13	Find precise map location of 202.93.123.13
45.8.10.231	Find precise map location of 45.8.10.231

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