129.129.20 is a class C of IPs

Sample IPs from the class C 129.129.20

129.129.20.69	View precise location of 129.129.20.69 on the map!
129.129.20.191	View precise location of 129.129.20.191 on the map!
129.129.20.151	View precise location of 129.129.20.151 on the map!
129.129.20.199	View precise location of 129.129.20.199 on the map!
129.129.20.115	View precise location of 129.129.20.115 on the map!
129.129.20.251	View precise location of 129.129.20.251 on the map!
129.129.20.137	View precise location of 129.129.20.137 on the map!
129.129.20.44	View precise location of 129.129.20.44 on the map!
129.129.20.122	View precise location of 129.129.20.122 on the map!
129.129.20.135	View precise location of 129.129.20.135 on the map!
129.129.20.66	View precise location of 129.129.20.66 on the map!

10 Random IPs

69.86.221.192	Find precise map location of 69.86.221.192
102.186.118.249	Find precise map location of 102.186.118.249
196.187.219.167	Find precise map location of 196.187.219.167
77.167.145.45	Find precise map location of 77.167.145.45
38.78.19.156	Find precise map location of 38.78.19.156
54.227.14.85	Find precise map location of 54.227.14.85
181.7.220.175	Find precise map location of 181.7.220.175
236.230.174.18	Find precise map location of 236.230.174.18
193.86.153.94	Find precise map location of 193.86.153.94
18.48.243.23	Find precise map location of 18.48.243.23
80.175.50.209	Find precise map location of 80.175.50.209

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