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:

92.162.108.35
115.70.83.211
152.170.51.230
81.17.57.154
212.241.101.55
115.93.50.106
178.252.189.19
78.139.21.222
62.68.184.49
31.208.9.20
193.248.51.240
207.144.82.3
217.70.27.173
191.186.88.136
108.196.85.92
213.172.234.124
84.72.185.161
91.192.32.197
88.152.250.119
73.130.176.219

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" }