228.70.21 is a class C of IPs

Sample IPs from the class C 228.70.21

228.70.21.167	View precise location of 228.70.21.167 on the map!
228.70.21.132	View precise location of 228.70.21.132 on the map!
228.70.21.24	View precise location of 228.70.21.24 on the map!
228.70.21.217	View precise location of 228.70.21.217 on the map!
228.70.21.104	View precise location of 228.70.21.104 on the map!
228.70.21.30	View precise location of 228.70.21.30 on the map!
228.70.21.72	View precise location of 228.70.21.72 on the map!
228.70.21.117	View precise location of 228.70.21.117 on the map!
228.70.21.176	View precise location of 228.70.21.176 on the map!
228.70.21.19	View precise location of 228.70.21.19 on the map!
228.70.21.195	View precise location of 228.70.21.195 on the map!

10 Random IPs

156.178.29.30	Find precise map location of 156.178.29.30
226.241.3.156	Find precise map location of 226.241.3.156
151.252.107.8	Find precise map location of 151.252.107.8
200.190.140.58	Find precise map location of 200.190.140.58
62.153.45.220	Find precise map location of 62.153.45.220
35.141.111.130	Find precise map location of 35.141.111.130
118.24.216.71	Find precise map location of 118.24.216.71
236.71.139.183	Find precise map location of 236.71.139.183
136.28.79.184	Find precise map location of 136.28.79.184
10.71.153.109	Find precise map location of 10.71.153.109
200.18.115.113	Find precise map location of 200.18.115.113

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