172.145.13 is a class C of IPs

Sample IPs from the class C 172.145.13

172.145.13.29	View precise location of 172.145.13.29 on the map!
172.145.13.74	View precise location of 172.145.13.74 on the map!
172.145.13.90	View precise location of 172.145.13.90 on the map!
172.145.13.95	View precise location of 172.145.13.95 on the map!
172.145.13.44	View precise location of 172.145.13.44 on the map!
172.145.13.14	View precise location of 172.145.13.14 on the map!
172.145.13.134	View precise location of 172.145.13.134 on the map!
172.145.13.158	View precise location of 172.145.13.158 on the map!
172.145.13.151	View precise location of 172.145.13.151 on the map!
172.145.13.188	View precise location of 172.145.13.188 on the map!
172.145.13.164	View precise location of 172.145.13.164 on the map!

10 Random IPs

221.105.168.204	Find precise map location of 221.105.168.204
54.82.196.128	Find precise map location of 54.82.196.128
131.90.20.84	Find precise map location of 131.90.20.84
200.25.187.176	Find precise map location of 200.25.187.176
176.118.126.231	Find precise map location of 176.118.126.231
67.15.181.86	Find precise map location of 67.15.181.86
16.244.73.123	Find precise map location of 16.244.73.123
242.196.67.80	Find precise map location of 242.196.67.80
41.168.68.125	Find precise map location of 41.168.68.125
241.30.109.36	Find precise map location of 241.30.109.36
83.44.214.12	Find precise map location of 83.44.214.12

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