211.236.21 is a class C of IPs

Sample IPs from the class C 211.236.21

211.236.21.252	View precise location of 211.236.21.252 on the map!
211.236.21.83	View precise location of 211.236.21.83 on the map!
211.236.21.195	View precise location of 211.236.21.195 on the map!
211.236.21.27	View precise location of 211.236.21.27 on the map!
211.236.21.80	View precise location of 211.236.21.80 on the map!
211.236.21.156	View precise location of 211.236.21.156 on the map!
211.236.21.206	View precise location of 211.236.21.206 on the map!
211.236.21.114	View precise location of 211.236.21.114 on the map!
211.236.21.140	View precise location of 211.236.21.140 on the map!
211.236.21.49	View precise location of 211.236.21.49 on the map!
211.236.21.16	View precise location of 211.236.21.16 on the map!

10 Random IPs

131.75.61.192	Find precise map location of 131.75.61.192
116.113.59.64	Find precise map location of 116.113.59.64
88.202.201.46	Find precise map location of 88.202.201.46
227.164.100.1	Find precise map location of 227.164.100.1
64.59.88.198	Find precise map location of 64.59.88.198
168.62.216.117	Find precise map location of 168.62.216.117
201.135.59.221	Find precise map location of 201.135.59.221
146.211.240.22	Find precise map location of 146.211.240.22
146.8.177.56	Find precise map location of 146.8.177.56
2.22.177.223	Find precise map location of 2.22.177.223
249.156.31.245	Find precise map location of 249.156.31.245

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