I have internet, and yet I get "no server found" error

joao@delft:~$ sudo npm install --global speed-test
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joao@delft:~$ speed-test

      Ping ⠏ 
  Download   
    Upload   
✖ Error: No server found, verify your proxy/network
    at gotServers (/usr/lib/node_modules/speed-test/node_modules/speedtest-net/index.js:649:25)
    at /usr/lib/node_modules/speed-test/node_modules/speedtest-net/index.js:119:16
    at /usr/lib/node_modules/speed-test/node_modules/speedtest-net/index.js:330:7
    at Parser.<anonymous> (/usr/lib/node_modules/speed-test/node_modules/xml2js/lib/parser.js:304:18)
    at Parser.emit (node:events:513:28)
    at SAXParser.onclosetag (/usr/lib/node_modules/speed-test/node_modules/xml2js/lib/parser.js:262:26)
    at emit (/usr/lib/node_modules/speed-test/node_modules/sax/lib/sax.js:624:35)
    at emitNode (/usr/lib/node_modules/speed-test/node_modules/sax/lib/sax.js:629:5)
    at closeTag (/usr/lib/node_modules/speed-test/node_modules/sax/lib/sax.js:889:7)
    at SAXParser.write (/usr/lib/node_modules/speed-test/node_modules/sax/lib/sax.js:1436:13)
joao@delft:~$ ping google.com
PING google.com(ams16s32-in-x0e.1e100.net (2a00:1450:400e:80c::200e)) 56 data bytes
64 bytes from ams16s32-in-x0e.1e100.net (2a00:1450:400e:80c::200e): icmp_seq=1 ttl=119 time=3.57 ms
64 bytes from ams16s32-in-x0e.1e100.net (2a00:1450:400e:80c::200e): icmp_seq=2 ttl=119 time=3.36 ms
64 bytes from ams16s32-in-x0e.1e100.net (2a00:1450:400e:80c::200e): icmp_seq=3 ttl=119 time=3.72 ms
64 bytes from ams16s32-in-x0e.1e100.net (2a00:1450:400e:80c::200e): icmp_seq=4 ttl=119 time=3.82 ms
64 bytes from ams16s32-in-x0e.1e100.net (2a00:1450:400e:80c::200e): icmp_seq=5 ttl=119 time=4.08 ms
64 bytes from ams16s32-in-x0e.1e100.net (2a00:1450:400e:80c::200e): icmp_seq=6 ttl=119 time=3.69 ms
64 bytes from ams16s32-in-x0e.1e100.net (2a00:1450:400e:80c::200e): icmp_seq=7 ttl=119 time=3.61 ms
^C
--- google.com ping statistics ---
7 packets transmitted, 7 received, 0% packet loss, time 6009ms
rtt min/avg/max/mdev = 3.361/3.691/4.075/0.205 ms