221.140.136 is a class C of IPs

Sample IPs from the class C 221.140.136

221.140.136.85	View precise location of 221.140.136.85 on the map!
221.140.136.161	View precise location of 221.140.136.161 on the map!
221.140.136.206	View precise location of 221.140.136.206 on the map!
221.140.136.95	View precise location of 221.140.136.95 on the map!
221.140.136.181	View precise location of 221.140.136.181 on the map!
221.140.136.81	View precise location of 221.140.136.81 on the map!
221.140.136.196	View precise location of 221.140.136.196 on the map!
221.140.136.60	View precise location of 221.140.136.60 on the map!
221.140.136.8	View precise location of 221.140.136.8 on the map!
221.140.136.237	View precise location of 221.140.136.237 on the map!
221.140.136.70	View precise location of 221.140.136.70 on the map!

10 Random IPs

6.186.85.246	Find precise map location of 6.186.85.246
162.80.105.255	Find precise map location of 162.80.105.255
128.203.184.248	Find precise map location of 128.203.184.248
137.75.57.121	Find precise map location of 137.75.57.121
150.102.143.114	Find precise map location of 150.102.143.114
87.234.155.222	Find precise map location of 87.234.155.222
231.100.167.169	Find precise map location of 231.100.167.169
24.66.86.23	Find precise map location of 24.66.86.23
33.205.19.220	Find precise map location of 33.205.19.220
110.210.21.140	Find precise map location of 110.210.21.140
109.60.216.25	Find precise map location of 109.60.216.25

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