ip:port node list for testnet?
#!/bin/bash


for i in testnet-seed.bitcoin.jonasschnelli.ch \
    seed.tbtc.petertodd.org \
    testnet-seed.bluematt.me \
    testnet-seed.bitcoin.schildbach.de
do
    nslookup $i 2&gt;&amp;1 | grep Address | cut -d' ' -f2
done


Testnet is port 18333 by default. Or run a testnet node and check what it connects to.