Public iPerf Servers

Europe

IPv4

• iperf3 -c speedtest.serverius.net -p 5002 -P 10 -4
• iperf3 -c iperf.worldstream.nl -t 60 -P 8 -i 0
• iperf3 -c speedtest.wtnet.de -p 5200 -P 10 -4
• iperf3 -c iperf.par2.as49434.net -p 9202
• iperf3 -c iperf.online.net -p 5204
• iperf3 -c iperf.deic.dk
• iperf3 -c lon.speedtest.clouvider.net -p {5200-5209}
• iperf3 -c ams.speedtest.clouvider.net -p {5200-5209}
• iperf3 -c fra.speedtest.clouvider.net -p {5200-5209}

IPv6

• iperf3 -c speedtest.serverius.net -p 5002 -P 10 -6
• iperf3 -c speedtest.wtnet.de -p 5209 -P 10 -6

IPv4 -R reverse mode (server sends, client receives)

• iperf3 -c speedtest.serverius.net -p 5002 -P 10 -4 -R
• iperf3 -c speedtest.wtnet.de -p 5200 -P 10 -4 -R
• iperf3 -c iperf.par2.as49434.net -p 9202 -R

IPv6 -R reverse mode (server sends, client receives)

• iperf3 -c speedtest.serverius.net -p 5002 -P 10 -6 -R
• iperf3 -c speedtest.wtnet.de -p 5209 -P 10 -6 -R

US

IPv4

• iperf3 -c la.speedtest.clouvider.net -p {5200-5209}
• iperf3 -c atl.speedtest.clouvider.net -p {5200-5209}
• iperf3 -c nyc.speedtest.clouvider.net -p {5200-5209}
• iperf3 -c dal.speedtest.clouvider.net -p {5200-5209}
• iperf3 -c ash.speedtest.clouvider.net -p {5200-5209}
• iperf3 -c phx.speedtest.clouvider.net -p {5200-5209}