221.116.55 is a class C of IPs

Sample IPs from the class C 221.116.55

221.116.55.157	View precise location of 221.116.55.157 on the map!
221.116.55.52	View precise location of 221.116.55.52 on the map!
221.116.55.207	View precise location of 221.116.55.207 on the map!
221.116.55.17	View precise location of 221.116.55.17 on the map!
221.116.55.72	View precise location of 221.116.55.72 on the map!
221.116.55.13	View precise location of 221.116.55.13 on the map!
221.116.55.162	View precise location of 221.116.55.162 on the map!
221.116.55.209	View precise location of 221.116.55.209 on the map!
221.116.55.83	View precise location of 221.116.55.83 on the map!
221.116.55.171	View precise location of 221.116.55.171 on the map!
221.116.55.143	View precise location of 221.116.55.143 on the map!

10 Random IPs

178.220.253.143	Find precise map location of 178.220.253.143
103.50.52.115	Find precise map location of 103.50.52.115
141.104.12.104	Find precise map location of 141.104.12.104
235.222.133.105	Find precise map location of 235.222.133.105
119.55.215.6	Find precise map location of 119.55.215.6
217.34.52.92	Find precise map location of 217.34.52.92
77.77.42.5	Find precise map location of 77.77.42.5
201.173.210.147	Find precise map location of 201.173.210.147
21.66.230.164	Find precise map location of 21.66.230.164
172.37.100.70	Find precise map location of 172.37.100.70
148.236.231.140	Find precise map location of 148.236.231.140

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