7.21.148 is a class C of IPs

Sample IPs from the class C 7.21.148

7.21.148.47	View precise location of 7.21.148.47 on the map!
7.21.148.254	View precise location of 7.21.148.254 on the map!
7.21.148.31	View precise location of 7.21.148.31 on the map!
7.21.148.21	View precise location of 7.21.148.21 on the map!
7.21.148.219	View precise location of 7.21.148.219 on the map!
7.21.148.226	View precise location of 7.21.148.226 on the map!
7.21.148.133	View precise location of 7.21.148.133 on the map!
7.21.148.145	View precise location of 7.21.148.145 on the map!
7.21.148.40	View precise location of 7.21.148.40 on the map!
7.21.148.34	View precise location of 7.21.148.34 on the map!
7.21.148.68	View precise location of 7.21.148.68 on the map!

10 Random IPs

193.88.167.123	Find precise map location of 193.88.167.123
1.80.181.151	Find precise map location of 1.80.181.151
10.41.130.14	Find precise map location of 10.41.130.14
226.241.110.151	Find precise map location of 226.241.110.151
97.245.190.222	Find precise map location of 97.245.190.222
58.157.29.183	Find precise map location of 58.157.29.183
155.237.247.203	Find precise map location of 155.237.247.203
203.86.167.81	Find precise map location of 203.86.167.81
24.162.166.115	Find precise map location of 24.162.166.115
27.198.221.178	Find precise map location of 27.198.221.178
166.208.29.184	Find precise map location of 166.208.29.184

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