Ho effettuato qualche altra prova, con risultati che mi lasciano davvero perplesso. Indico il sommario e poi i singoli test, consistenti nel download di un file di 14.73M, di dimensioni adeguate per valutare la velocità senza attese troppo prolungate. Ho effettuato tali download da una workstation connessa via cavo al Tim Hub senza nessun altro (sottolineo "nessun altro") device collegato. I risultati sono consistenti anche ripetendo la singola prova.
1) ftp.at.debian.org (76.9 KB/s)
2) ftp.be.debian.org (85.9 KB/s)
3) ftp.de.debian.org (54.1 KB/s)
4) ftp.it.debian.org (159 KB/s)
5) ftp.fr.debian.org (71.4 KB/s)
6) ftp.fi.debian.org (3.24 MB/s)
7) ftp.dk.debian.org (4.48 MB/s)
8) ftp.pl.debian.org (Giving up)
1) ftp.at.debian.org (76.9 KB/s)
http://ftp.at.debian.org/debian/ls-lR.gz
Resolving ftp.at.debian.org (ftp.at.debian.org)... 213.129.232.18, 2001:858:2:1::10
100%[=>] 14.73M 76.9KB/s in 3m 50s
Traccia instradamento verso debian.sil.at [213.129.232.18]
1 <1 ms <1 ms <1 ms 192.168.1.1
2 * * * Richiesta scaduta.
3 8 ms 7 ms 8 ms 172.18.48.144
4 8 ms 8 ms 9 ms 172.18.48.178
5 11 ms 10 ms 10 ms 172.19.184.96
6 16 ms 15 ms 15 ms 172.19.177.18
7 15 ms 15 ms 14 ms 195.22.196.170
8 17 ms 17 ms 16 ms 195.22.212.149
9 16 ms 16 ms 16 ms 80.150.168.132
10 35 ms 35 ms 35 ms vie-sb5-i.VIE.AT.NET.DTAG.DE [217.239.49.98]
11 36 ms 36 ms 36 ms 80.157.201.201
12 37 ms 37 ms 37 ms c72wsued4-gi0-1.net.uta.at [212.152.193.178]
13 39 ms 39 ms 39 ms debian.sil.at [213.129.232.18]
2) ftp.be.debian.org (85.9 KB/s)
http://ftp.be.debian.org/debian/ls-lR.gz
Resolving ftp.be.debian.org (ftp.be.debian.org)... 195.234.45.114, 2a05:7300:0:100:195:234:45:114
100%[=>] 14.73M 85.9KB/s in 3m 31s
Traccia instradamento verso mirror.as35701.net [195.234.45.114]
1 <1 ms <1 ms <1 ms 192.168.1.1
2 * * * Richiesta scaduta.
3 8 ms 8 ms 8 ms 172.18.48.148
4 8 ms 8 ms 8 ms 172.18.48.188
5 12 ms 12 ms 13 ms 172.19.184.102
6 14 ms 13 ms 17 ms 172.19.177.26
7 17 ms 16 ms 15 ms 195.22.205.98
8 30 ms 29 ms 30 ms 195.22.210.120
9 29 ms 28 ms 29 ms 213.144.168.33
10 34 ms 34 ms 34 ms edg01.lcldg.bra.be.verixi.net [62.112.29.168]
11 35 ms 35 ms 35 ms edg01.intx1.bra.be.verixi.net [87.238.225.4]
12 35 ms 35 ms 35 ms as35701.edg01.intx1.bra.be.verixi.net [62.112.29.75]
13 37 ms 38 ms 38 ms vl10.access-01.bru.as35701.net [195.234.45.44]
14 35 ms 36 ms 36 ms mirror.as35701.net [195.234.45.114]
3) ftp.de.debian.org (54.1 KB/s)
http://ftp.de.debian.org/debian/ls-lR.gz
Resolving ftp.de.debian.org (ftp.de.debian.org)... 141.76.2.4
100%[=>] 14.73M 54.1KB/s in 5m 18s
Traccia instradamento verso ftp.de.debian.org [141.76.2.4]
1 <1 ms <1 ms 1 ms 192.168.1.1
2 * * * Richiesta scaduta.
3 8 ms 7 ms 8 ms 172.18.48.148
4 9 ms 8 ms 8 ms 172.18.48.182
5 12 ms 12 ms 12 ms 172.19.184.98
6 17 ms 16 ms 16 ms 172.19.177.16
7 15 ms 14 ms 15 ms 195.22.205.116
8 15 ms 15 ms 15 ms 195.22.196.71
9 17 ms 16 ms 17 ms ae-5.edge1.Milan1.Level3.net [4.68.73.37]
10 33 ms 37 ms 33 ms ae1.3122.edge9.frf1.neo.colt.net [171.75.10.131]
11 39 ms 39 ms 39 ms VEREIN-ZUR.edge9.Frankfurt1.Level3.net [62.67.67.154]
12 35 ms 35 ms 34 ms cr-han2-be6.x-win.dfn.de [188.1.144.134]
13 38 ms 38 ms 38 ms cr-tub2-be9.x-win.dfn.de [188.1.144.138]
14 40 ms 40 ms 40 ms kr-dre151-0.x-win.dfn.de [188.1.243.30]
15 41 ms 41 ms 41 ms 141.76.0.31
16 46 ms 45 ms 45 ms 141.30.1.22
17 53 ms 53 ms 52 ms 141.30.2.138
18 53 ms 52 ms 54 ms debian.inf.tu-dresden.de [141.76.2.4]
4) ftp.it.debian.org (159 KB/s)
http://ftp.it.debian.org/debian/ls-lR.gz
Resolving ftp.it.debian.org (ftp.it.debian.org)... 85.94.199.210, 2001:4b78:2000:1::1
100%[=>] 14.73M 159KB/s in 2m 4s
Traccia instradamento verso 85.94.199.210 su un massimo di 30 punti di passaggio
1 <1 ms <1 ms <1 ms 192.168.1.1
2 * * * Richiesta scaduta.
3 8 ms 8 ms 8 ms 172.18.48.148
4 17 ms 16 ms 16 ms 172.18.48.182
5 15 ms 15 ms 15 ms 172.19.184.96
6 17 ms 16 ms 15 ms 172.19.177.80
7 14 ms 14 ms 14 ms 172.19.177.25
8 14 ms 14 ms 13 ms 172.17.18.171
9 20 ms 14 ms 14 ms host-31-199-18-30.business.telecomitalia.it [31.199.18.30]
10 14 ms 14 ms 13 ms 85.94.199.210
5) ftp.fr.debian.org (71.4 KB/s)
http://ftp.fr.debian.org/debian/ls-lR.gz
Resolving ftp.fr.debian.org (ftp.fr.debian.org)... 212.27.32.66, 2a01:e0c:1:1598::2
100%[=>] 14.72M 71.4KB/s in 3m 28s
Traccia instradamento verso debian.proxad.net [212.27.32.66]
1 <1 ms <1 ms <1 ms 192.168.1.1
2 * * * Richiesta scaduta.
3 8 ms 8 ms 7 ms 172.18.48.148
4 8 ms 8 ms 9 ms 172.18.48.188
5 10 ms 10 ms 10 ms 172.19.184.100
6 17 ms 18 ms 17 ms 172.19.177.76
7 15 ms 15 ms 15 ms 195.22.196.170
8 32 ms 33 ms 32 ms 195.22.196.137
9 * * * Richiesta scaduta.
10 37 ms 38 ms 37 ms be2800.ccr42.par01.atlas.cogentco.com [154.54.58.238]
11 38 ms 38 ms 38 ms be3184.ccr31.par04.atlas.cogentco.com [154.54.38.158]
12 37 ms 37 ms 37 ms iliad.demarc.cogentco.com [149.11.175.170]
13 36 ms 36 ms 36 ms p19-6k-2-v918.intf.nra.proxad.net [78.254.254.166]
14 38 ms 38 ms 38 ms bzn-9k-2-sys-be2001.intf.routers.proxad.net [194.149.161.246]
15 37 ms 36 ms 37 ms debian.proxad.net [212.27.32.66]
6) ftp.fi.debian.org (3.24 MB/s)
http://ftp.fi.debian.org/debian/ls-lR.gz
Resolving ftp.fi.debian.org (ftp.fi.debian.org)... 194.71.11.173, 194.71.11.163, 194.71.11.165, ...
Location: http://saimei.ftp.acc.umu.se/debian/ls-lR.gz [following]
Resolving saimei.ftp.acc.umu.se (saimei.ftp.acc.umu.se)... 194.71.11.138, 2001:6b0:19::138
100%[=>] 14.73M 3.24MB/s in 5.8s
Traccia instradamento verso saimei.ftp.acc.umu.se [194.71.11.138]
1 <1 ms <1 ms <1 ms 192.168.1.1
2 * * * Richiesta scaduta.
3 8 ms 8 ms 8 ms 172.18.48.148
4 8 ms 8 ms 8 ms 172.18.48.188
5 12 ms 12 ms 12 ms 172.19.184.102
6 13 ms 13 ms 14 ms 172.19.177.26
7 16 ms 15 ms 16 ms 195.22.192.144
8 42 ms 36 ms 36 ms 185.100.113.147
9 42 ms 35 ms 47 ms nl-ams.nordu.net [80.249.209.203]
10 42 ms 42 ms 59 ms dk-esbj.nordu.net [109.105.97.74]
11 51 ms 46 ms 87 ms dk-bal2.nordu.net [109.105.102.2]
12 49 ms 49 ms 49 ms lnd88-r1.sunet.se [109.105.102.3]
13 51 ms 51 ms 51 ms vaxjo-vxj-r11.sunet.se [86.104.202.109]
14 50 ms 51 ms 50 ms jonkoping-jkg-r11.sunet.se [86.104.202.54]
15 57 ms 57 ms 57 ms linkoping-lin3-r11.sunet.se [86.104.202.57]
16 56 ms 56 ms 55 ms norrkoping-nkg188-r11.sunet.se [86.104.202.97]
17 57 ms 56 ms 56 ms stockholm-tug-r12.sunet.se [86.104.203.67]
18 57 ms 57 ms 57 ms stockholm-tug-r11.sunet.se [86.104.202.140]
19 59 ms 59 ms 59 ms uppsala-upa-r11.sunet.se [86.104.202.143]
20 58 ms 58 ms 58 ms gavle-sbo-r11.sunet.se [86.104.202.16]
21 61 ms 60 ms 61 ms sundsvall-sva-r11.sunet.se [86.104.202.19]
22 62 ms 62 ms 62 ms umea-umu-r22.sunet.se [86.104.202.153]
23 65 ms 64 ms 64 ms umea-umu-r21.sunet.se [86.104.202.248]
24 62 ms 62 ms 62 ms saimei.ftp.acc.umu.se [194.71.11.138]
7) ftp.dk.debian.org (4.48 MB/s)
http://ftp.dk.debian.org/debian/ls-lR.gz
Resolving ftp.dk.debian.org (ftp.dk.debian.org)... 130.225.254.116, 001:878:346::116
100%[=>] 14.73M 4.48MB/s in 3.3s
Traccia instradamento verso mirrors.dotsrc.org [130.225.254.116]
1 <1 ms <1 ms <1 ms 192.168.1.1
2 * * * Richiesta scaduta.
3 8 ms 8 ms 8 ms 172.18.48.148
4 9 ms 9 ms 9 ms 172.18.48.188
5 12 ms 12 ms 12 ms 172.19.184.102
6 316 ms 65 ms 19 ms 172.19.177.78
7 16 ms 16 ms 16 ms 195.22.196.170
8 34 ms 34 ms 34 ms 185.100.113.149
9 33 ms 33 ms 33 ms nl-ams.nordu.net [80.249.209.203]
10 40 ms 40 ms 39 ms dk-esbj.nordu.net [109.105.97.74]
11 44 ms 43 ms 43 ms dk-bal2.nordu.net [109.105.97.2]
12 45 ms 45 ms 46 ms dk-ore.nordu.net [109.105.102.160]
13 50 ms 49 ms 49 ms ore.core.fsknet.dk [109.105.102.161]
14 52 ms 52 ms 56 ms 130.225.242.198
15 51 ms 51 ms 51 ms mirrors.dotsrc.org [130.225.254.116]
8) ftp.pl.debian.org (n/a)
http://ftp.pl.debian.org/debian/ls-lR.gz
Resolving ftp.pl.debian.org (ftp.pl.debian.org)... 153.19.251.221, 2001:4070:1:2::3
2024-07-13 16:09:27 (58.4 KB/s) - Read error at byte 332254/15450504 (Connection reset by peer). Retrying.
2024-07-13 16:09:46 (62.9 KB/s) - Read error at byte 1493562/15450504 (Connection reset by peer). Retrying.
2024-07-13 16:09:54 (59.7 KB/s) - Read error at byte 1821421/15450504 (Connection reset by peer). Retrying.
..
2024-07-13 16:14:04 (50.2 KB/s) - Read error at byte 9303547/15450504 (Connection reset by peer). Retrying.
2024-07-13 16:14:17 (42.3 KB/s) - Read error at byte 9447003/15450504 (Connection reset by peer). Retrying.
2024-07-13 16:14:36 (64.3 KB/s) - Read error at byte 10010087/15450504 (Connection reset by peer). Giving up.
Traccia instradamento verso ftp.pl.debian.org [153.19.251.221]
1 <1 ms <1 ms 1 ms 192.168.1.1
2 * * * Richiesta scaduta.
3 9 ms 9 ms 8 ms 172.18.48.144
4 8 ms 8 ms 8 ms 172.18.48.178
5 13 ms 13 ms 12 ms 172.19.184.98
6 14 ms 14 ms 14 ms 172.19.177.82
7 16 ms 16 ms 16 ms 195.22.205.98
8 15 ms 15 ms 15 ms 195.22.192.139
9 21 ms 16 ms 17 ms 195.22.212.223
10 35 ms 33 ms 32 ms ae2.3602.edge3.ber1.neo.colt.net [171.75.9.134]
11 37 ms 37 ms 37 ms 212.162.10.82
12 45 ms 44 ms 48 ms z-poznan-gw3.gdansk.10Gb.rtr.pionier.gov.pl [212.191.224.206]
13 43 ms 44 ms 43 ms grot-cio4.task.gda.pl [153.19.252.25]
14 44 ms 44 ms 44 ms ftp.pl.debian.org [153.19.251.221]
E' evidente che da qualche parte ci sia un serio problema, parte che sicuramente non è la mia.