121.152.141 is a class C of IPs

Sample IPs from the class C 121.152.141

121.152.141.130	View precise location of 121.152.141.130 on the map!
121.152.141.199	View precise location of 121.152.141.199 on the map!
121.152.141.69	View precise location of 121.152.141.69 on the map!
121.152.141.213	View precise location of 121.152.141.213 on the map!
121.152.141.226	View precise location of 121.152.141.226 on the map!
121.152.141.36	View precise location of 121.152.141.36 on the map!
121.152.141.12	View precise location of 121.152.141.12 on the map!
121.152.141.8	View precise location of 121.152.141.8 on the map!
121.152.141.163	View precise location of 121.152.141.163 on the map!
121.152.141.150	View precise location of 121.152.141.150 on the map!
121.152.141.17	View precise location of 121.152.141.17 on the map!

10 Random IPs

105.73.21.244	Find precise map location of 105.73.21.244
129.53.151.5	Find precise map location of 129.53.151.5
116.179.173.34	Find precise map location of 116.179.173.34
60.6.61.86	Find precise map location of 60.6.61.86
135.158.204.207	Find precise map location of 135.158.204.207
71.64.68.191	Find precise map location of 71.64.68.191
162.172.1.86	Find precise map location of 162.172.1.86
201.41.171.168	Find precise map location of 201.41.171.168
221.184.153.101	Find precise map location of 221.184.153.101
230.235.232.251	Find precise map location of 230.235.232.251
24.83.159.93	Find precise map location of 24.83.159.93

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