18.177.21 is a class C of IPs

Sample IPs from the class C 18.177.21

18.177.21.215	View precise location of 18.177.21.215 on the map!
18.177.21.227	View precise location of 18.177.21.227 on the map!
18.177.21.253	View precise location of 18.177.21.253 on the map!
18.177.21.30	View precise location of 18.177.21.30 on the map!
18.177.21.95	View precise location of 18.177.21.95 on the map!
18.177.21.179	View precise location of 18.177.21.179 on the map!
18.177.21.229	View precise location of 18.177.21.229 on the map!
18.177.21.231	View precise location of 18.177.21.231 on the map!
18.177.21.124	View precise location of 18.177.21.124 on the map!
18.177.21.180	View precise location of 18.177.21.180 on the map!
18.177.21.11	View precise location of 18.177.21.11 on the map!

10 Random IPs

177.154.216.70	Find precise map location of 177.154.216.70
27.105.105.78	Find precise map location of 27.105.105.78
32.44.205.202	Find precise map location of 32.44.205.202
154.50.244.213	Find precise map location of 154.50.244.213
144.249.186.220	Find precise map location of 144.249.186.220
115.42.179.241	Find precise map location of 115.42.179.241
222.111.171.113	Find precise map location of 222.111.171.113
43.9.201.150	Find precise map location of 43.9.201.150
249.229.209.196	Find precise map location of 249.229.209.196
173.54.160.232	Find precise map location of 173.54.160.232
42.41.215.23	Find precise map location of 42.41.215.23

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