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 1313 known online nodes.

Here are 20 random nodes to get you started:

85.198.208.15
91.176.102.233
76.214.233.210
23.241.139.3
166.70.59.222
78.186.6.179
218.65.6.38
89.228.47.170
99.228.238.223
147.78.248.43
73.64.188.152
185.113.120.195
179.0.59.217
23.240.187.187
209.147.111.220
38.21.216.215
114.230.221.93
178.177.20.242
66.96.210.106
65.186.220.15

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" }