221.48.231 is a class C of IPs

Sample IPs from the class C 221.48.231

221.48.231.135	View precise location of 221.48.231.135 on the map!
221.48.231.191	View precise location of 221.48.231.191 on the map!
221.48.231.128	View precise location of 221.48.231.128 on the map!
221.48.231.29	View precise location of 221.48.231.29 on the map!
221.48.231.5	View precise location of 221.48.231.5 on the map!
221.48.231.11	View precise location of 221.48.231.11 on the map!
221.48.231.32	View precise location of 221.48.231.32 on the map!
221.48.231.60	View precise location of 221.48.231.60 on the map!
221.48.231.128	View precise location of 221.48.231.128 on the map!
221.48.231.11	View precise location of 221.48.231.11 on the map!
221.48.231.250	View precise location of 221.48.231.250 on the map!

10 Random IPs

5.98.142.106	Find precise map location of 5.98.142.106
14.6.131.223	Find precise map location of 14.6.131.223
211.5.34.69	Find precise map location of 211.5.34.69
78.164.172.223	Find precise map location of 78.164.172.223
195.178.254.121	Find precise map location of 195.178.254.121
85.25.104.100	Find precise map location of 85.25.104.100
222.14.19.24	Find precise map location of 222.14.19.24
42.63.51.109	Find precise map location of 42.63.51.109
74.241.145.142	Find precise map location of 74.241.145.142
219.149.74.235	Find precise map location of 219.149.74.235
187.44.98.148	Find precise map location of 187.44.98.148

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