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 1450 known online nodes.

Here are 20 random nodes to get you started:

82.12.11.250
90.75.142.255
73.243.167.69
82.65.242.115
117.25.135.219
2.15.44.157
99.82.204.189
96.252.4.50
188.12.220.28
46.23.51.108
78.153.4.130
49.207.44.36
74.197.215.211
23.93.191.221
73.240.139.13
78.80.84.171
80.147.148.27
188.122.2.21
84.112.79.44
68.60.250.165

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" }