Paris/Médiactive en général. Ceci dit Speedtest n'est pas idéal pour tester son upload en fibre, tu as essayé iperf ?
Nico_NAS> iperf -c 3.testdebit.info -i 2 -t 20
------------------------------------------------------------
Client connecting to testdebit.info, TCP port 5001
TCP window size: 16.0 KByte (default)
------------------------------------------------------------
[ 5] local 192.168.26.80 port 51062 connected with 89.84.127.55 port 5001
[ ID] Interval Transfer Bandwidth
[ 5] 0.0- 2.0 sec 22.2 MBytes 93.3 Mbits/sec
[ ID] Interval Transfer Bandwidth
[ 5] 2.0- 4.0 sec 22.4 MBytes 94.1 Mbits/sec
[ ID] Interval Transfer Bandwidth
[ 5] 4.0- 6.0 sec 22.4 MBytes 93.8 Mbits/sec
[ ID] Interval Transfer Bandwidth
[ 5] 6.0- 8.0 sec 22.6 MBytes 94.9 Mbits/sec
[ ID] Interval Transfer Bandwidth
[ 5] 8.0-10.0 sec 22.4 MBytes 93.8 Mbits/sec
[ ID] Interval Transfer Bandwidth
[ 5] 10.0-12.0 sec 22.3 MBytes 93.6 Mbits/sec
[ ID] Interval Transfer Bandwidth
[ 5] 12.0-14.0 sec 22.4 MBytes 93.8 Mbits/sec
[ ID] Interval Transfer Bandwidth
[ 5] 14.0-16.0 sec 22.4 MBytes 93.8 Mbits/sec
[ ID] Interval Transfer Bandwidth
[ 5] 16.0-18.0 sec 22.4 MBytes 93.8 Mbits/sec
[ ID] Interval Transfer Bandwidth
[ 5] 18.0-20.0 sec 22.2 MBytes 93.3 Mbits/sec
[ ID] Interval Transfer Bandwidth
[ 5] 0.0-20.0 sec 224 MBytes 93.8 Mbits/sec