89.19.21 is a class C of IPs

Sample IPs from the class C 89.19.21

89.19.21.127	View precise location of 89.19.21.127 on the map!
89.19.21.223	View precise location of 89.19.21.223 on the map!
89.19.21.198	View precise location of 89.19.21.198 on the map!
89.19.21.99	View precise location of 89.19.21.99 on the map!
89.19.21.127	View precise location of 89.19.21.127 on the map!
89.19.21.173	View precise location of 89.19.21.173 on the map!
89.19.21.184	View precise location of 89.19.21.184 on the map!
89.19.21.238	View precise location of 89.19.21.238 on the map!
89.19.21.86	View precise location of 89.19.21.86 on the map!
89.19.21.131	View precise location of 89.19.21.131 on the map!
89.19.21.47	View precise location of 89.19.21.47 on the map!

10 Random IPs

133.245.98.98	Find precise map location of 133.245.98.98
219.82.38.115	Find precise map location of 219.82.38.115
146.228.91.20	Find precise map location of 146.228.91.20
104.44.154.195	Find precise map location of 104.44.154.195
131.109.108.203	Find precise map location of 131.109.108.203
227.38.188.76	Find precise map location of 227.38.188.76
37.228.28.127	Find precise map location of 37.228.28.127
151.165.73.12	Find precise map location of 151.165.73.12
192.155.249.229	Find precise map location of 192.155.249.229
162.161.146.124	Find precise map location of 162.161.146.124
2.158.86.197	Find precise map location of 2.158.86.197

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