21.214.139 is a class C of IPs

Sample IPs from the class C 21.214.139

21.214.139.139	View precise location of 21.214.139.139 on the map!
21.214.139.148	View precise location of 21.214.139.148 on the map!
21.214.139.216	View precise location of 21.214.139.216 on the map!
21.214.139.197	View precise location of 21.214.139.197 on the map!
21.214.139.154	View precise location of 21.214.139.154 on the map!
21.214.139.189	View precise location of 21.214.139.189 on the map!
21.214.139.165	View precise location of 21.214.139.165 on the map!
21.214.139.18	View precise location of 21.214.139.18 on the map!
21.214.139.33	View precise location of 21.214.139.33 on the map!
21.214.139.137	View precise location of 21.214.139.137 on the map!
21.214.139.152	View precise location of 21.214.139.152 on the map!

10 Random IPs

243.9.240.63	Find precise map location of 243.9.240.63
170.155.224.242	Find precise map location of 170.155.224.242
223.2.120.91	Find precise map location of 223.2.120.91
48.46.228.9	Find precise map location of 48.46.228.9
131.161.158.38	Find precise map location of 131.161.158.38
66.199.142.63	Find precise map location of 66.199.142.63
114.155.45.60	Find precise map location of 114.155.45.60
234.128.239.3	Find precise map location of 234.128.239.3
131.51.39.230	Find precise map location of 131.51.39.230
229.136.162.220	Find precise map location of 229.136.162.220
110.111.91.69	Find precise map location of 110.111.91.69

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