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 1320 known online nodes.

Here are 20 random nodes to get you started:

71.38.7.65
75.177.85.41
149.102.57.252
73.1.28.16
81.108.208.92
52.194.37.53
188.113.140.82
109.197.243.2
85.194.204.15
80.72.17.55
178.16.36.56
64.201.116.54
104.244.195.62
50.175.197.6
62.57.201.171
5.250.186.136
78.82.27.121
185.243.218.106
93.103.100.182
70.241.126.129

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" }