178.248.21 is a class C of IPs

Sample IPs from the class C 178.248.21

178.248.21.248	View precise location of 178.248.21.248 on the map!
178.248.21.39	View precise location of 178.248.21.39 on the map!
178.248.21.42	View precise location of 178.248.21.42 on the map!
178.248.21.45	View precise location of 178.248.21.45 on the map!
178.248.21.102	View precise location of 178.248.21.102 on the map!
178.248.21.56	View precise location of 178.248.21.56 on the map!
178.248.21.23	View precise location of 178.248.21.23 on the map!
178.248.21.174	View precise location of 178.248.21.174 on the map!
178.248.21.3	View precise location of 178.248.21.3 on the map!
178.248.21.207	View precise location of 178.248.21.207 on the map!
178.248.21.172	View precise location of 178.248.21.172 on the map!

10 Random IPs

32.113.50.168	Find precise map location of 32.113.50.168
163.7.154.30	Find precise map location of 163.7.154.30
34.243.215.36	Find precise map location of 34.243.215.36
160.56.122.126	Find precise map location of 160.56.122.126
137.146.175.251	Find precise map location of 137.146.175.251
91.162.110.146	Find precise map location of 91.162.110.146
108.20.221.9	Find precise map location of 108.20.221.9
227.81.26.96	Find precise map location of 227.81.26.96
238.216.253.93	Find precise map location of 238.216.253.93
223.18.185.119	Find precise map location of 223.18.185.119
56.101.223.161	Find precise map location of 56.101.223.161

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