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 1387 known online nodes.

Here are 20 random nodes to get you started:

126.86.150.168
86.15.239.158
184.60.26.100
31.223.63.108
211.63.189.249
68.119.245.162
144.6.78.49
18.140.127.101
81.167.26.57
114.230.221.85
75.185.57.31
119.244.93.126
84.3.240.43
5.100.106.107
99.104.194.159
84.255.199.148
185.122.55.104
114.230.221.47
88.89.133.87
71.228.11.132

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" }