Как убрать всё до и после proxy?

1 101.255.124.242:3128 ID Jakarta
2 103.14.250.38:8080 KH Preah Sihanouk
3 103.216.82.206:6667 IN Gujarat
4 103.239.254.150:8080 BD Dhaka
5 103.44.139.81:9999 IN National Capital Territory of Delhi
6 103.83.15.66:61896 BD
7 107.170.254.167:4132 US California
8 109.71.181.170:53983 RU St.-Petersburg
9 114.134.5.96:61110 NZ Waikato
10 118.172.211.39:49186 TH
11 121.12.92.124:3000 CN Guangdong
12 123.249.94.43:9999 CN Guangdong
13 125.27.10.195:38153 TH Changwat Chachoengsao
14 138.0.36.53:53281 BR Espirito Santo
15 14.102.50.28:52667 IN National Capital Territory of Delhi
16 151.80.58.175:80 IT
100 14.102.50.28:52667 IN National Capital Territory of Delhi
1000 14.102.50.28:52667 IN National Capital Territory of Delhi
10000 14.102.50.28:52667 IN National Capital Territory of Delhi
20000 14.102.50.28:52667 IN National Capital Territory of Delhi

125.27.10.195:38153
14.102.50.28:52667
151.80.58.175:80