255.123 is a class B of IPs

Sample IPs from the class B 255.123

255.123.43.133	View precise location of 255.123.43.133 on the map!
255.123.66.61	View precise location of 255.123.66.61 on the map!
255.123.145.121	View precise location of 255.123.145.121 on the map!
255.123.70.98	View precise location of 255.123.70.98 on the map!
255.123.36.130	View precise location of 255.123.36.130 on the map!
255.123.248.176	View precise location of 255.123.248.176 on the map!
255.123.43.87	View precise location of 255.123.43.87 on the map!
255.123.250.100	View precise location of 255.123.250.100 on the map!
255.123.81.48	View precise location of 255.123.81.48 on the map!
255.123.41.198	View precise location of 255.123.41.198 on the map!
255.123.111.107	View precise location of 255.123.111.107 on the map!

10 Random IPs

46.43.5.150	Find precise map location of 46.43.5.150
104.77.221.41	Find precise map location of 104.77.221.41
19.55.147.64	Find precise map location of 19.55.147.64
97.3.119.253	Find precise map location of 97.3.119.253
209.78.127.95	Find precise map location of 209.78.127.95
50.224.201.230	Find precise map location of 50.224.201.230
134.55.32.187	Find precise map location of 134.55.32.187
230.18.114.75	Find precise map location of 230.18.114.75
111.242.55.188	Find precise map location of 111.242.55.188
31.3.119.88	Find precise map location of 31.3.119.88
57.100.220.46	Find precise map location of 57.100.220.46

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