Just add some of the nodes to establish a connection and it will work:

addnode=104.137.9.183
addnode=104.172.5.31
addnode=104.173.216.187
addnode=107.145.189.7
addnode=109.144.221.139
addnode=109.203.61.176
addnode=110.44.120.46
addnode=124.121.244.69
addnode=124.170.131.44
addnode=14.192.203.61
addnode=142.44.212.178
addnode=144.76.237.39
addnode=151.54.221.7
addnode=168.205.148.43
addnode=172.10.132.218
addnode=173.169.16.222
addnode=174.20.14.30
addnode=174.97.113.242
addnode=176.72.110.243
addnode=176.79.81.187
addnode=177.55.245.10
addnode=18.197.178.3
addnode=184.6.75.48
addnode=185.100.84.247
addnode=185.138.230.47
addnode=185.147.237.8
addnode=189.186.117.187
addnode=189.232.13.113
addnode=192.136.216.207
addnode=192.99.6.207
addnode=194.126.70.66
addnode=194.182.65.33
addnode=195.18.12.61
addnode=195.2.205.211
addnode=201.21.36.57
addnode=207.228.78.24
addnode=208.69.150.8
addnode=209.239.123.108
addnode=212.24.97.214
addnode=216.181.227.81
addnode=216.208.24.147
addnode=217.168.241.202
addnode=220.135.50.239
addnode=23.227.207.84
addnode=23.92.54.39
addnode=24.101.253.125
addnode=24.178.242.146
addnode=24.203.76.158
addnode=24.209.49.1
addnode=24.222.57.34
addnode=37.0.51.237
addnode=46.199.203.152
addnode=46.208.229.26
addnode=46.242.10.0
addnode=47.156.122.98
addnode=47.51.161.66
addnode=49.197.33.74
addnode=5.166.243.46
addnode=5.9.145.112
addnode=50.225.198.67
addnode=50.241.208.93
addnode=64.229.103.215
addnode=67.189.45.97
addnode=67.70.34.102
addnode=68.14.74.131
addnode=68.203.74.74
addnode=68.235.35.12
addnode=68.47.241.193
addnode=68.51.171.169
addnode=68.7.2.30
addnode=69.49.83.63
addnode=70.175.63.135
addnode=70.181.75.159
addnode=70.29.205.132
addnode=71.60.105.210
addnode=71.76.176.17
addnode=72.172.198.219
addnode=72.192.144.20
addnode=72.42.100.254
addnode=72.76.2.121
addnode=73.153.233.239
addnode=73.235.98.49
addnode=73.255.95.110
addnode=74.194.228.105
addnode=76.173.164.187
addnode=76.87.204.252
addnode=80.110.93.223
addnode=82.25.232.52
addnode=83.83.58.44
addnode=84.192.95.183
addnode=84.193.219.231
addnode=84.76.24.134
addnode=85.74.196.206
addnode=86.234.136.137
addnode=87.64.161.152
addnode=88.130.153.125
addnode=89.103.176.90
addnode=90.62.137.63
addnode=91.113.19.11
addnode=91.113.2.192
addnode=91.113.74.1
addnode=91.229.77.4
addnode=92.8.83.79
addnode=94.130.51.181
addnode=94.226.129.128
addnode=94.242.171.86
addnode=95.32.134.182
addnode=95.43.211.140
addnode=96.2.22.76
addnode=99.149.128.177
addnode=99.40.232.92