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 1105 known online nodes.

Here are 20 random nodes to get you started:

77.239.252.204
146.70.137.58
5.56.250.168
190.139.125.34
84.112.232.209
51.159.109.117
97.90.197.164
94.254.89.107
93.83.40.252
136.58.127.216
84.72.185.161
95.84.240.54
125.229.44.17
174.114.252.184
68.98.72.134
77.58.249.231
146.66.177.9
98.4.25.188
118.107.211.43
78.130.245.90

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" }