Maybe try one of these options:
--add-peer 177.44.210.13:8080
--add-peer 176.67.199.203:8080
--add-peer 97.82.163.220:8080
--add-peer 94.211.97.108:8080
--add-peer 67.170.34.149:8080
--add-peer 114.74.0.67:8080
--add-peer 46.200.8.105:8080
--add-peer 95.88.93.38:8080
--add-peer 81.155.98.169:8080
--add-peer 151.74.159.244:8080
--add-peer 70.162.183.191:8080
--add-peer 79.111.151.188:8080
--add-peer 91.234.2.249:8080
--add-peer 35.188.44.219:8080
--add-peer 209.250.235.32:8080

I had issues till I found one that worked.