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 1097 known online nodes.

Here are 20 random nodes to get you started:

69.146.132.223
217.112.160.83
86.27.135.168
212.156.131.214
83.151.206.122
88.170.117.74
114.35.175.41
184.92.130.209
99.250.167.123
91.207.89.211
188.232.29.78
125.229.181.32
73.137.19.29
185.138.176.65
85.23.237.145
178.13.0.176
114.230.221.91
213.144.147.190
2.238.197.180
82.66.30.215

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" }