189.45.21 is a class C of IPs

Sample IPs from the class C 189.45.21

189.45.21.254	View precise location of 189.45.21.254 on the map!
189.45.21.128	View precise location of 189.45.21.128 on the map!
189.45.21.221	View precise location of 189.45.21.221 on the map!
189.45.21.176	View precise location of 189.45.21.176 on the map!
189.45.21.109	View precise location of 189.45.21.109 on the map!
189.45.21.32	View precise location of 189.45.21.32 on the map!
189.45.21.82	View precise location of 189.45.21.82 on the map!
189.45.21.55	View precise location of 189.45.21.55 on the map!
189.45.21.5	View precise location of 189.45.21.5 on the map!
189.45.21.90	View precise location of 189.45.21.90 on the map!
189.45.21.109	View precise location of 189.45.21.109 on the map!

10 Random IPs

79.80.171.246	Find precise map location of 79.80.171.246
180.12.108.3	Find precise map location of 180.12.108.3
241.20.20.239	Find precise map location of 241.20.20.239
213.166.166.39	Find precise map location of 213.166.166.39
101.133.77.222	Find precise map location of 101.133.77.222
234.213.116.121	Find precise map location of 234.213.116.121
116.188.209.106	Find precise map location of 116.188.209.106
175.200.120.204	Find precise map location of 175.200.120.204
186.62.167.206	Find precise map location of 186.62.167.206
187.93.167.243	Find precise map location of 187.93.167.243
74.82.188.142	Find precise map location of 74.82.188.142

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