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 1396 known online nodes.

Here are 20 random nodes to get you started:

86.234.98.13
114.230.221.95
119.18.33.55
188.242.74.177
172.219.27.176
176.124.122.210
80.147.142.159
190.0.234.10
212.55.254.189
94.33.202.12
71.126.246.193
49.13.131.191
114.230.221.65
78.30.220.119
45.24.3.177
84.122.214.252
87.196.9.123
68.144.92.96
40.129.58.194
31.223.63.108

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" }