121.252.242 is a class C of IPs

Sample IPs from the class C 121.252.242

121.252.242.172	View precise location of 121.252.242.172 on the map!
121.252.242.163	View precise location of 121.252.242.163 on the map!
121.252.242.222	View precise location of 121.252.242.222 on the map!
121.252.242.124	View precise location of 121.252.242.124 on the map!
121.252.242.23	View precise location of 121.252.242.23 on the map!
121.252.242.230	View precise location of 121.252.242.230 on the map!
121.252.242.191	View precise location of 121.252.242.191 on the map!
121.252.242.39	View precise location of 121.252.242.39 on the map!
121.252.242.14	View precise location of 121.252.242.14 on the map!
121.252.242.35	View precise location of 121.252.242.35 on the map!
121.252.242.253	View precise location of 121.252.242.253 on the map!

10 Random IPs

236.218.181.225	Find precise map location of 236.218.181.225
179.59.154.255	Find precise map location of 179.59.154.255
169.28.74.95	Find precise map location of 169.28.74.95
39.76.135.137	Find precise map location of 39.76.135.137
100.217.187.213	Find precise map location of 100.217.187.213
223.136.54.18	Find precise map location of 223.136.54.18
60.231.20.98	Find precise map location of 60.231.20.98
202.237.202.223	Find precise map location of 202.237.202.223
175.84.167.62	Find precise map location of 175.84.167.62
13.68.19.100	Find precise map location of 13.68.19.100
128.76.78.29	Find precise map location of 128.76.78.29

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