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:

67.170.194.35
80.220.63.40
81.22.51.199
68.231.22.166
93.125.49.134
174.126.156.102
104.167.243.14
109.204.184.64
217.155.104.73
70.89.67.105
181.45.140.151
51.81.107.67
185.9.77.249
64.181.90.92
72.93.78.174
78.186.6.179
79.11.115.41
51.158.96.158
24.87.32.157
95.243.137.141

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" }