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:

73.161.204.73
188.194.58.18
84.72.185.161
194.38.1.192
84.72.86.152
82.67.44.235
71.162.130.90
78.80.84.171
103.44.239.244
95.84.170.137
46.227.154.52
80.108.14.16
213.225.215.146
125.229.44.17
174.112.135.229
89.71.206.150
136.37.221.218
93.159.184.83
184.105.70.125
114.230.221.79

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" }