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:

93.190.63.132
78.102.142.53
76.137.112.19
211.68.127.108
64.5.100.130
23.241.139.3
14.193.36.78
73.64.188.152
178.175.207.154
111.217.1.159
89.19.178.231
136.27.6.125
194.50.88.237
86.20.240.44
94.226.228.125
94.63.111.255
88.103.173.94
70.175.76.239
81.175.244.168
72.175.215.76

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" }