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 1481 known online nodes.

Here are 20 random nodes to get you started:

85.23.89.100
65.28.33.18
178.169.158.140
188.60.157.188
20.190.193.98
35.135.86.198
154.42.3.213
24.155.174.209
199.119.86.181
109.131.71.110
90.79.200.6
188.218.75.226
82.66.40.208
79.116.23.123
46.187.42.7
217.180.203.126
37.24.77.107
96.66.200.54
90.2.62.12
216.226.95.57

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" }