21.77.152 is a class C of IPs

Sample IPs from the class C 21.77.152

21.77.152.249	View precise location of 21.77.152.249 on the map!
21.77.152.81	View precise location of 21.77.152.81 on the map!
21.77.152.212	View precise location of 21.77.152.212 on the map!
21.77.152.229	View precise location of 21.77.152.229 on the map!
21.77.152.126	View precise location of 21.77.152.126 on the map!
21.77.152.50	View precise location of 21.77.152.50 on the map!
21.77.152.34	View precise location of 21.77.152.34 on the map!
21.77.152.20	View precise location of 21.77.152.20 on the map!
21.77.152.79	View precise location of 21.77.152.79 on the map!
21.77.152.105	View precise location of 21.77.152.105 on the map!
21.77.152.251	View precise location of 21.77.152.251 on the map!

10 Random IPs

148.171.133.181	Find precise map location of 148.171.133.181
230.238.180.24	Find precise map location of 230.238.180.24
94.16.116.51	Find precise map location of 94.16.116.51
135.202.190.21	Find precise map location of 135.202.190.21
133.54.11.210	Find precise map location of 133.54.11.210
90.181.230.41	Find precise map location of 90.181.230.41
158.230.235.130	Find precise map location of 158.230.235.130
104.35.122.235	Find precise map location of 104.35.122.235
197.127.148.249	Find precise map location of 197.127.148.249
200.168.133.95	Find precise map location of 200.168.133.95
196.145.142.79	Find precise map location of 196.145.142.79

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