15.157 is a class B of IPs

Sample IPs from the class B 15.157

15.157.95.93	View precise location of 15.157.95.93 on the map!
15.157.240.248	View precise location of 15.157.240.248 on the map!
15.157.27.203	View precise location of 15.157.27.203 on the map!
15.157.171.27	View precise location of 15.157.171.27 on the map!
15.157.245.97	View precise location of 15.157.245.97 on the map!
15.157.236.89	View precise location of 15.157.236.89 on the map!
15.157.191.253	View precise location of 15.157.191.253 on the map!
15.157.1.41	View precise location of 15.157.1.41 on the map!
15.157.119.185	View precise location of 15.157.119.185 on the map!
15.157.102.8	View precise location of 15.157.102.8 on the map!
15.157.50.123	View precise location of 15.157.50.123 on the map!

10 Random IPs

25.215.171.22	Find precise map location of 25.215.171.22
222.105.12.69	Find precise map location of 222.105.12.69
198.143.194.19	Find precise map location of 198.143.194.19
79.141.219.128	Find precise map location of 79.141.219.128
40.250.150.158	Find precise map location of 40.250.150.158
51.185.201.64	Find precise map location of 51.185.201.64
112.165.236.113	Find precise map location of 112.165.236.113
76.7.126.94	Find precise map location of 76.7.126.94
230.145.205.213	Find precise map location of 230.145.205.213
87.175.103.10	Find precise map location of 87.175.103.10
60.65.127.75	Find precise map location of 60.65.127.75

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