165.252.21 is a class C of IPs

Sample IPs from the class C 165.252.21

165.252.21.96	View precise location of 165.252.21.96 on the map!
165.252.21.143	View precise location of 165.252.21.143 on the map!
165.252.21.139	View precise location of 165.252.21.139 on the map!
165.252.21.43	View precise location of 165.252.21.43 on the map!
165.252.21.106	View precise location of 165.252.21.106 on the map!
165.252.21.191	View precise location of 165.252.21.191 on the map!
165.252.21.127	View precise location of 165.252.21.127 on the map!
165.252.21.164	View precise location of 165.252.21.164 on the map!
165.252.21.182	View precise location of 165.252.21.182 on the map!
165.252.21.5	View precise location of 165.252.21.5 on the map!
165.252.21.104	View precise location of 165.252.21.104 on the map!

10 Random IPs

62.143.200.65	Find precise map location of 62.143.200.65
90.202.73.205	Find precise map location of 90.202.73.205
153.211.20.181	Find precise map location of 153.211.20.181
108.104.207.176	Find precise map location of 108.104.207.176
39.194.199.100	Find precise map location of 39.194.199.100
41.184.94.176	Find precise map location of 41.184.94.176
210.130.109.119	Find precise map location of 210.130.109.119
189.45.96.236	Find precise map location of 189.45.96.236
75.185.215.182	Find precise map location of 75.185.215.182
167.142.3.78	Find precise map location of 167.142.3.78
230.35.4.201	Find precise map location of 230.35.4.201

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