135.240.21 is a class C of IPs

Sample IPs from the class C 135.240.21

135.240.21.179	View precise location of 135.240.21.179 on the map!
135.240.21.46	View precise location of 135.240.21.46 on the map!
135.240.21.144	View precise location of 135.240.21.144 on the map!
135.240.21.123	View precise location of 135.240.21.123 on the map!
135.240.21.126	View precise location of 135.240.21.126 on the map!
135.240.21.248	View precise location of 135.240.21.248 on the map!
135.240.21.138	View precise location of 135.240.21.138 on the map!
135.240.21.247	View precise location of 135.240.21.247 on the map!
135.240.21.201	View precise location of 135.240.21.201 on the map!
135.240.21.194	View precise location of 135.240.21.194 on the map!
135.240.21.12	View precise location of 135.240.21.12 on the map!

10 Random IPs

137.224.16.76	Find precise map location of 137.224.16.76
42.9.67.213	Find precise map location of 42.9.67.213
39.99.192.35	Find precise map location of 39.99.192.35
185.113.6.236	Find precise map location of 185.113.6.236
88.213.1.145	Find precise map location of 88.213.1.145
8.2.241.133	Find precise map location of 8.2.241.133
212.231.129.240	Find precise map location of 212.231.129.240
35.191.163.1	Find precise map location of 35.191.163.1
170.159.42.73	Find precise map location of 170.159.42.73
230.252.147.186	Find precise map location of 230.252.147.186
39.103.95.109	Find precise map location of 39.103.95.109

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