209.21.30 is a class C of IPs

Sample IPs from the class C 209.21.30

209.21.30.89	View precise location of 209.21.30.89 on the map!
209.21.30.248	View precise location of 209.21.30.248 on the map!
209.21.30.133	View precise location of 209.21.30.133 on the map!
209.21.30.151	View precise location of 209.21.30.151 on the map!
209.21.30.75	View precise location of 209.21.30.75 on the map!
209.21.30.76	View precise location of 209.21.30.76 on the map!
209.21.30.230	View precise location of 209.21.30.230 on the map!
209.21.30.98	View precise location of 209.21.30.98 on the map!
209.21.30.161	View precise location of 209.21.30.161 on the map!
209.21.30.223	View precise location of 209.21.30.223 on the map!
209.21.30.182	View precise location of 209.21.30.182 on the map!

10 Random IPs

87.97.222.167	Find precise map location of 87.97.222.167
33.95.32.122	Find precise map location of 33.95.32.122
11.73.15.7	Find precise map location of 11.73.15.7
205.174.59.56	Find precise map location of 205.174.59.56
83.198.167.109	Find precise map location of 83.198.167.109
68.89.90.177	Find precise map location of 68.89.90.177
167.12.143.133	Find precise map location of 167.12.143.133
249.213.93.239	Find precise map location of 249.213.93.239
174.243.2.51	Find precise map location of 174.243.2.51
30.73.52.39	Find precise map location of 30.73.52.39
153.48.250.219	Find precise map location of 153.48.250.219

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