214.151.21 is a class C of IPs

Sample IPs from the class C 214.151.21

214.151.21.213	View precise location of 214.151.21.213 on the map!
214.151.21.67	View precise location of 214.151.21.67 on the map!
214.151.21.115	View precise location of 214.151.21.115 on the map!
214.151.21.100	View precise location of 214.151.21.100 on the map!
214.151.21.21	View precise location of 214.151.21.21 on the map!
214.151.21.79	View precise location of 214.151.21.79 on the map!
214.151.21.82	View precise location of 214.151.21.82 on the map!
214.151.21.215	View precise location of 214.151.21.215 on the map!
214.151.21.192	View precise location of 214.151.21.192 on the map!
214.151.21.253	View precise location of 214.151.21.253 on the map!
214.151.21.51	View precise location of 214.151.21.51 on the map!

10 Random IPs

210.192.83.64	Find precise map location of 210.192.83.64
185.225.5.95	Find precise map location of 185.225.5.95
210.232.89.109	Find precise map location of 210.232.89.109
254.239.46.161	Find precise map location of 254.239.46.161
110.59.80.222	Find precise map location of 110.59.80.222
138.115.178.230	Find precise map location of 138.115.178.230
16.116.148.56	Find precise map location of 16.116.148.56
33.50.219.202	Find precise map location of 33.50.219.202
245.31.95.220	Find precise map location of 245.31.95.220
148.59.204.183	Find precise map location of 148.59.204.183
113.52.21.128	Find precise map location of 113.52.21.128

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