19.137.28 is a class C of IPs

Sample IPs from the class C 19.137.28

19.137.28.108	View precise location of 19.137.28.108 on the map!
19.137.28.24	View precise location of 19.137.28.24 on the map!
19.137.28.157	View precise location of 19.137.28.157 on the map!
19.137.28.198	View precise location of 19.137.28.198 on the map!
19.137.28.187	View precise location of 19.137.28.187 on the map!
19.137.28.110	View precise location of 19.137.28.110 on the map!
19.137.28.149	View precise location of 19.137.28.149 on the map!
19.137.28.243	View precise location of 19.137.28.243 on the map!
19.137.28.111	View precise location of 19.137.28.111 on the map!
19.137.28.66	View precise location of 19.137.28.66 on the map!
19.137.28.32	View precise location of 19.137.28.32 on the map!

10 Random IPs

129.193.234.109	Find precise map location of 129.193.234.109
133.78.113.88	Find precise map location of 133.78.113.88
169.193.157.22	Find precise map location of 169.193.157.22
3.145.146.7	Find precise map location of 3.145.146.7
214.241.15.29	Find precise map location of 214.241.15.29
143.46.194.124	Find precise map location of 143.46.194.124
120.182.103.255	Find precise map location of 120.182.103.255
229.159.16.25	Find precise map location of 229.159.16.25
249.43.155.222	Find precise map location of 249.43.155.222
80.180.173.182	Find precise map location of 80.180.173.182
1.219.55.130	Find precise map location of 1.219.55.130

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