From Japan, on NAT / non-44 IP address:
shiro$ iperf -c
kk7kx.ampr.org -p 7000
------------------------------------------------------------
Client connecting to
kk7kx.ampr.org, TCP port 7000
TCP window size: 129 KByte (default)
------------------------------------------------------------
[ 5] local 10.0.100.120 port 63984 connected with 44.8.0.160 port 7000
[ ID] Interval Transfer Bandwidth
[ 5] 0.0-10.2 sec 2.00 MBytes 1.64 Mbits/sec
shiro$ iperf -c
kk7kx.ampr.org -u -p 7000
------------------------------------------------------------
Client connecting to
kk7kx.ampr.org, UDP port 7000
Sending 1470 byte datagrams
UDP buffer size: 9.00 KByte (default)
------------------------------------------------------------
[ 5] local 10.0.100.120 port 65135 connected with 44.8.0.160 port 7000
[ ID] Interval Transfer Bandwidth
[ 5] 0.0-10.0 sec 1.25 MBytes 1.05 Mbits/sec
[ 5] Sent 893 datagrams
[ 5] Server Report:
[ 5] 0.0-10.0 sec 1.25 MBytes 1.05 Mbits/sec 0.610 ms 0/ 893 (0%)
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JH1VBB