213.140.66 is a class C of IPs

Sample IPs from the class C 213.140.66

213.140.66.10	View precise location of 213.140.66.10 on the map!
213.140.66.108	View precise location of 213.140.66.108 on the map!
213.140.66.193	View precise location of 213.140.66.193 on the map!
213.140.66.253	View precise location of 213.140.66.253 on the map!
213.140.66.42	View precise location of 213.140.66.42 on the map!
213.140.66.90	View precise location of 213.140.66.90 on the map!
213.140.66.105	View precise location of 213.140.66.105 on the map!
213.140.66.59	View precise location of 213.140.66.59 on the map!
213.140.66.147	View precise location of 213.140.66.147 on the map!
213.140.66.94	View precise location of 213.140.66.94 on the map!
213.140.66.21	View precise location of 213.140.66.21 on the map!

10 Random IPs

44.221.240.194	Find precise map location of 44.221.240.194
212.238.30.14	Find precise map location of 212.238.30.14
77.168.84.196	Find precise map location of 77.168.84.196
105.244.41.152	Find precise map location of 105.244.41.152
146.51.113.96	Find precise map location of 146.51.113.96
62.209.109.167	Find precise map location of 62.209.109.167
220.123.60.227	Find precise map location of 220.123.60.227
244.159.230.255	Find precise map location of 244.159.230.255
181.35.92.49	Find precise map location of 181.35.92.49
55.56.184.250	Find precise map location of 55.56.184.250
96.2.241.33	Find precise map location of 96.2.241.33

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