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:

81.15.187.198
208.102.222.85
114.230.221.9
91.218.200.187
108.66.213.104
83.246.175.46
77.91.103.195
97.82.141.163
89.100.210.174
114.230.221.69
78.10.167.237
94.198.132.113
222.173.213.178
86.52.52.128
108.20.225.209
70.80.1.105
93.99.7.117
114.230.221.54
119.236.160.72
47.72.230.147

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" }