This site keeps track of all Chia Nodes participating on the Chia Network.
Each node has been verified to be listenting on port 8444.

There are currently 1313 known online nodes.

Here are 20 random nodes to get you started:

91.64.182.57
190.93.30.67
77.240.189.60
62.33.139.220
194.183.54.119
121.135.161.15
211.149.251.108
58.33.150.218
116.115.69.38
188.255.95.155
108.20.225.209
95.31.20.205
82.78.127.127
114.34.142.16
70.80.1.105
50.73.249.59
51.158.96.158
159.224.213.159
74.138.224.105
208.102.222.85

To add 20 random nodes to your Chia client, run the following commands:
Linux Terminal:
curl https://ChiaNodes.com | grep -Eo '[0-9]{1,3}\.[0-9]{1,3}\.[0-9]{1,3}\.[0-9]{1,3}' | while read line; do timeout 2s chia peer full_node -a $line:8444 ;done

Windows Powershell:
Invoke-WebRequest -Uri 'https://ChiaNodes.com' | Select-String -Pattern '\b\d{1,3}\.\d{1,3}\.\d{1,3}\.\d{1,3}\b' -AllMatches | %{ $_.Matches } | %{ $_.Value } | %{ Start-Sleep -Seconds 2; chia peer full_node -a $_":8444" }