121.154.61 is a class C of IPs

Sample IPs from the class C 121.154.61

121.154.61.25	View precise location of 121.154.61.25 on the map!
121.154.61.20	View precise location of 121.154.61.20 on the map!
121.154.61.249	View precise location of 121.154.61.249 on the map!
121.154.61.137	View precise location of 121.154.61.137 on the map!
121.154.61.30	View precise location of 121.154.61.30 on the map!
121.154.61.216	View precise location of 121.154.61.216 on the map!
121.154.61.219	View precise location of 121.154.61.219 on the map!
121.154.61.165	View precise location of 121.154.61.165 on the map!
121.154.61.41	View precise location of 121.154.61.41 on the map!
121.154.61.115	View precise location of 121.154.61.115 on the map!
121.154.61.206	View precise location of 121.154.61.206 on the map!

10 Random IPs

58.202.120.30	Find precise map location of 58.202.120.30
113.112.109.35	Find precise map location of 113.112.109.35
117.48.218.196	Find precise map location of 117.48.218.196
35.97.220.178	Find precise map location of 35.97.220.178
177.241.37.74	Find precise map location of 177.241.37.74
114.189.24.241	Find precise map location of 114.189.24.241
222.52.171.215	Find precise map location of 222.52.171.215
177.144.47.127	Find precise map location of 177.144.47.127
1.191.164.100	Find precise map location of 1.191.164.100
144.170.153.208	Find precise map location of 144.170.153.208
232.15.114.182	Find precise map location of 232.15.114.182

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