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:

46.23.51.108
86.86.104.87
72.192.21.79
71.80.149.149
173.21.151.154
176.58.33.43
193.95.206.32
90.177.236.248
86.120.8.125
69.207.130.136
86.101.139.66
72.200.114.33
75.52.82.170
172.117.5.61
217.112.160.83
114.230.221.34
73.108.122.19
24.156.43.113
75.66.219.38
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" }