This speedtest server is located at the MIRhosting DataCenter1 US, AS52000 and is running on a 20GE connection.
iperf -c speedtest.us.mirhosting.net -p 5000-5010 -P 10 (for IPv4) iperf -c speedtest.us.mirhosting.net -p 5000-5010 -V -P 10 (for IPv6)Also you can use IPERFv3 (client sends, server receives)
iperf3 -c speedtest.us.mirhosting.net -p 5200-5210 -P 10 -4 (for IPv4) iperf3 -c speedtest.us.mirhosting.net -p 5200-5210 -P 10 -6 (for IPv6)( -R reverse mode (server sends, client receives)
iperf3 -c speedtest.us.mirhosting.net -p 5200-5210 -P 10 -4 -R (for IPv4) iperf3 -c speedtest.us.mirhosting.net -p 5200-5210 -P 10 -6 -R (for IPv6)
wget -4 -O /dev/null http://speedtest.us.mirhosting.net/2000mb.bin (for IPv4) wget -6 -O /dev/null http://speedtest.us.mirhosting.net/2000mb.bin (for IPv6)