97.31.21 is a class C of IPs

Sample IPs from the class C 97.31.21

97.31.21.2	View precise location of 97.31.21.2 on the map!
97.31.21.41	View precise location of 97.31.21.41 on the map!
97.31.21.205	View precise location of 97.31.21.205 on the map!
97.31.21.239	View precise location of 97.31.21.239 on the map!
97.31.21.166	View precise location of 97.31.21.166 on the map!
97.31.21.210	View precise location of 97.31.21.210 on the map!
97.31.21.144	View precise location of 97.31.21.144 on the map!
97.31.21.254	View precise location of 97.31.21.254 on the map!
97.31.21.30	View precise location of 97.31.21.30 on the map!
97.31.21.150	View precise location of 97.31.21.150 on the map!
97.31.21.39	View precise location of 97.31.21.39 on the map!

10 Random IPs

39.203.89.72	Find precise map location of 39.203.89.72
41.154.127.196	Find precise map location of 41.154.127.196
210.38.14.84	Find precise map location of 210.38.14.84
8.72.116.4	Find precise map location of 8.72.116.4
172.95.38.251	Find precise map location of 172.95.38.251
97.209.160.171	Find precise map location of 97.209.160.171
12.87.38.176	Find precise map location of 12.87.38.176
92.61.140.215	Find precise map location of 92.61.140.215
58.166.243.30	Find precise map location of 58.166.243.30
130.32.88.226	Find precise map location of 130.32.88.226
186.72.53.161	Find precise map location of 186.72.53.161

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