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 1131 known online nodes.

Here are 20 random nodes to get you started:

181.46.16.217
213.144.130.227
78.43.22.146
84.220.183.102
82.75.2.105
83.218.76.246
86.137.208.168
92.255.207.132
5.189.107.41
103.238.162.160
213.144.147.190
79.116.188.2
179.153.28.127
178.248.87.180
88.170.200.81
136.49.29.20
184.57.28.229
37.98.165.22
173.21.151.154
78.130.248.5

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" }