21.30.197 is a class C of IPs

Sample IPs from the class C 21.30.197

21.30.197.155	View precise location of 21.30.197.155 on the map!
21.30.197.38	View precise location of 21.30.197.38 on the map!
21.30.197.170	View precise location of 21.30.197.170 on the map!
21.30.197.208	View precise location of 21.30.197.208 on the map!
21.30.197.179	View precise location of 21.30.197.179 on the map!
21.30.197.92	View precise location of 21.30.197.92 on the map!
21.30.197.222	View precise location of 21.30.197.222 on the map!
21.30.197.142	View precise location of 21.30.197.142 on the map!
21.30.197.191	View precise location of 21.30.197.191 on the map!
21.30.197.46	View precise location of 21.30.197.46 on the map!
21.30.197.36	View precise location of 21.30.197.36 on the map!

10 Random IPs

190.219.248.243	Find precise map location of 190.219.248.243
184.117.239.121	Find precise map location of 184.117.239.121
142.155.23.41	Find precise map location of 142.155.23.41
251.208.143.48	Find precise map location of 251.208.143.48
240.212.253.45	Find precise map location of 240.212.253.45
26.125.85.66	Find precise map location of 26.125.85.66
167.248.49.187	Find precise map location of 167.248.49.187
95.226.142.49	Find precise map location of 95.226.142.49
216.27.36.235	Find precise map location of 216.27.36.235
4.68.54.183	Find precise map location of 4.68.54.183
251.6.243.151	Find precise map location of 251.6.243.151

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