121.54.49 is a class C of IPs

Sample IPs from the class C 121.54.49

121.54.49.251	View precise location of 121.54.49.251 on the map!
121.54.49.47	View precise location of 121.54.49.47 on the map!
121.54.49.229	View precise location of 121.54.49.229 on the map!
121.54.49.181	View precise location of 121.54.49.181 on the map!
121.54.49.113	View precise location of 121.54.49.113 on the map!
121.54.49.213	View precise location of 121.54.49.213 on the map!
121.54.49.206	View precise location of 121.54.49.206 on the map!
121.54.49.45	View precise location of 121.54.49.45 on the map!
121.54.49.47	View precise location of 121.54.49.47 on the map!
121.54.49.75	View precise location of 121.54.49.75 on the map!
121.54.49.155	View precise location of 121.54.49.155 on the map!

10 Random IPs

191.43.253.233	Find precise map location of 191.43.253.233
41.137.62.150	Find precise map location of 41.137.62.150
25.108.205.117	Find precise map location of 25.108.205.117
57.43.118.20	Find precise map location of 57.43.118.20
31.18.177.221	Find precise map location of 31.18.177.221
209.111.239.3	Find precise map location of 209.111.239.3
124.149.70.130	Find precise map location of 124.149.70.130
127.90.98.121	Find precise map location of 127.90.98.121
24.238.202.44	Find precise map location of 24.238.202.44
110.215.6.126	Find precise map location of 110.215.6.126
255.214.27.34	Find precise map location of 255.214.27.34

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