127.77.21 is a class C of IPs

Sample IPs from the class C 127.77.21

127.77.21.7	View precise location of 127.77.21.7 on the map!
127.77.21.152	View precise location of 127.77.21.152 on the map!
127.77.21.52	View precise location of 127.77.21.52 on the map!
127.77.21.37	View precise location of 127.77.21.37 on the map!
127.77.21.99	View precise location of 127.77.21.99 on the map!
127.77.21.253	View precise location of 127.77.21.253 on the map!
127.77.21.222	View precise location of 127.77.21.222 on the map!
127.77.21.115	View precise location of 127.77.21.115 on the map!
127.77.21.156	View precise location of 127.77.21.156 on the map!
127.77.21.156	View precise location of 127.77.21.156 on the map!
127.77.21.125	View precise location of 127.77.21.125 on the map!

10 Random IPs

233.68.16.64	Find precise map location of 233.68.16.64
220.177.229.43	Find precise map location of 220.177.229.43
156.207.77.181	Find precise map location of 156.207.77.181
91.141.239.217	Find precise map location of 91.141.239.217
186.116.87.185	Find precise map location of 186.116.87.185
233.107.216.200	Find precise map location of 233.107.216.200
182.167.141.223	Find precise map location of 182.167.141.223
110.196.243.238	Find precise map location of 110.196.243.238
116.208.131.209	Find precise map location of 116.208.131.209
126.182.46.94	Find precise map location of 126.182.46.94
2.162.214.73	Find precise map location of 2.162.214.73

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