221.7.5 is a class C of IPs

Sample IPs from the class C 221.7.5

221.7.5.80	View precise location of 221.7.5.80 on the map!
221.7.5.113	View precise location of 221.7.5.113 on the map!
221.7.5.110	View precise location of 221.7.5.110 on the map!
221.7.5.243	View precise location of 221.7.5.243 on the map!
221.7.5.254	View precise location of 221.7.5.254 on the map!
221.7.5.13	View precise location of 221.7.5.13 on the map!
221.7.5.48	View precise location of 221.7.5.48 on the map!
221.7.5.29	View precise location of 221.7.5.29 on the map!
221.7.5.252	View precise location of 221.7.5.252 on the map!
221.7.5.161	View precise location of 221.7.5.161 on the map!
221.7.5.152	View precise location of 221.7.5.152 on the map!

10 Random IPs

237.61.30.23	Find precise map location of 237.61.30.23
189.243.86.182	Find precise map location of 189.243.86.182
45.117.170.123	Find precise map location of 45.117.170.123
152.3.101.24	Find precise map location of 152.3.101.24
61.192.21.134	Find precise map location of 61.192.21.134
220.88.57.32	Find precise map location of 220.88.57.32
235.196.179.96	Find precise map location of 235.196.179.96
223.10.122.86	Find precise map location of 223.10.122.86
177.67.165.163	Find precise map location of 177.67.165.163
163.99.26.195	Find precise map location of 163.99.26.195
211.136.4.205	Find precise map location of 211.136.4.205

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