Posts for: #Statistics

Mirrors generating most traffic in 2025

The total outgoing traffic of ftp.fau.de increased from 10.06 PiB in 2024 to 10.22 PiB in 2025, a below-noise-level increase of only 1.5%.

Rank Mirror Traffic 2025 in TB Rank/Traffic 2024 (for comparison)
1 mint/iso (Linux distribution, disc images) 1517 2 / 1381
2 kiwix (offline Wikipedia) 807 3 / 1106
3 almalinux (Linux distribution) 741 6 / 353
4 fdroid (Free and Open-Source Android app repository) 669 1 / 1794
5 cdn.media.ccc.de (recordings of IT-related events) 651 8 / 273
6 opensuse (Linux distribution) 592 5 / 354
7 gimp (Free and Open-Source image manipulation program) 541 15 / 203
8 fedora (Linux distribution) 510 4 / 438
9 macports 383 9 / 263
10 rockylinux 382 18 / 182

The percentage of IPv6 traffic increased marginally to 30% (3.02 PiB), after 29% in 2024, 26% in 2023, 26% in 2022, 27% in 2021, 27% in 2020, 25% in 2019, 22% in 2018, 22% in 2017, 14% in 2016 and 11% in 2015.

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Mirrors generating most traffic in 2024

The total outgoing traffic of ftp.fau.de increased from 8.51 PiB in 2023 to 10.06 PiB in 2024, an increase of only 18%.

Rank Mirror Traffic 2024 in TB Rank/Traffic 2023 (for comparison)
1 fdroid (Free and Open-Source Android app repository) 1794 1 / 1639
2 mint/iso (Linux distribution, disc images) 1381 2 / 1040
3 kiwix (offline Wikipedia) 1106 3 / 1021
4 fedora (Linux distribution) 438 5 / 456
5 opensuse (Linux distribution) 354 7 / 244
6 almalinux (Linux distribution) 353 28 / 66
7 epel (Extra Packages for Enterprise Linux) 282 12 / 192
8 cdn.media.ccc.de (recordings of IT-related events) 273 26 / 77
9 macports 263 27 / 68
10 ubuntu 259 11 / 200

The percentage of IPv6 traffic increased slightly to 29% (2.88 PiB), after 26% in 2023, 26% in 2022, 27% in 2021, 27% in 2020, 25% in 2019, 22% in 2018, 22% in 2017, 14% in 2016 and 11% in 2015.

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Mirrors generating most traffic in 2023

The total outgoing traffic of ftp.fau.de increased from 6.57 PiB in 2022 to 8.51 PiB in 2023, an increase of 30%.

Rank Mirror Traffic 2023 in TB Rank/Traffic 2022 (for comparison)
1 fdroid (Free and Open-Source Android app repository) 1639 4 / 494
2 mint/iso (Linux distribution, disc images) 1040 1 / 1075
3 kiwix (offline Wikipedia) 1021 3 / 726
4 centos (Linux distribution) 853 2 / 780
5 fedora (Linux distribution) 456 6 / 293
6 qtproject (Qt Toolkit) 261 5 / 295
7 opensuse (Linux distribution) 244 7 / 270
8 gimp (Free and Open-Source image manipulation program) 230 10 / 173
9 lineageos (Free and Open-Source Android distribution) 217 9 / 189
10 eclipse 215 8 / 238

The percentage of IPv6 traffic stagnated at 26% (2.23 PiB), after 26% in 2022, 27% in 2021, 27% in 2020, 25% in 2019, 22% in 2018, 22% in 2017, 14% in 2016 and 11% in 2015.

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Mirrors generating most traffic in 2022

The total outgoing traffic of ftp.fau.de increased from 5.04 PiB in 2021 to 6.57 PiB in 2022, an increase of 30%.

Rank Mirror Traffic 2022 in TB Rank/Traffic 2021 (for comparison)
1 mint/iso (Linux distribution, disc images) 1075 1 / 849
2 centos (Linux distribution) 780 10 / 160
3 kiwix (offline Wikipedia) 726 2 / 519
4 fdroid (Free and Open-Source Android app repository) 494 3 / 304
5 qtproject (Qt Toolkit) 295 4 / 275
6 fedora (Linux distribution) 293 8 / 186
7 opensuse (Linux distribution) 270 9 / 175
8 eclipse 238 7 / 193
9 lineageos (Free and Open-Source Android distribution) 189 6 / 199
10 gimp (Free and Open-Source image manipulation program) 173 5 / 266

The percentage of IPv6 traffic dropped slightly, it is now at 26% (1.68 PiB), after 27% in 2021, 27% in 2020, 25% in 2019, 22% in 2018, 22% in 2017, 14% in 2016 and 11% in 2015.

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Mirrors generating most traffic in 2021

The total outgoing traffic of ftp.fau.de increased from 4.12 PiB in 2020 to 5.04 PiB in 2021, an increase of 22%.

Rank Mirror Traffic 2021 in TB Rank/Traffic 2020 (for comparison)
1 mint/iso 849 2 / 389
2 kiwix (offline Wikipedia) 519 1 / 538
3 fdroid (Free and Open-Source Android app repository 304 5 / 242
4 qtproject (Qt Toolkit) 275 4 / 356
5 gimp 266 3 / 376
6 lineageos (Free and Open-Source Android distribution) 199 6 / 204
7 eclipse 193 - / 99
8 fedora 186 8 / 148
9 opensuse 175 10 / 108
10 centos 160 7 / 159

The percentage of IPv6 traffic stagnated, with 27% (1.36 PiB), after 27% in 2020, 25% in 2019, 22% in 2018, 22% in 2017, 14% in 2016 and 11% in 2015.

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Mirrors generating most traffic in 2020

It seems that I have not posted the traffic stats for 2020 yet. Well, better late than never, so here they are.

The total outgoing traffic of ftp.fau.de increased from 3.52 PiB in 2019 to 4.12 PiB in 2020, an increase of 17%.

Rank Mirror Traffic 2020 in TB Rank/Traffic 2019 (for comparison)
1 kiwix (offline Wikipedia) 538 2 / 458
2 mint/iso 389 3 / 260
3 gimp 376 - / 1
4 qtproject (Qt Toolkit) 356 1 / 511
5 fdroid (Free and Open-Source Android app repository 242 11 / 109
6 lineageos (Free and Open-Source Android distribution) 204 4 / 246
7 centos 159 9 / 117
8 fedora 148 7 / 136
9 videolan 114 - / 97
10 opensuse 108 6 / 138

The percentage of IPv6 traffic increased a tiny bit again, to 27% (1.13 PB), after 25% in 2019, 22% in 2018, 22% in 2017, 14% in 2016 and 11% in 2015.

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Mirrors generating most traffic in 2019

The total traffic of ftp.fau.de increased from 3.22 PB in 2018 to 3.52 PB in 2019, an unusually small increase of only 9%.

Rank Mirror Traffic 2019 in TB Rank/Traffic 2018 (for comparison)
1 qtproject (Qt Toolkit) 511 2 / 445
2 kiwix (offline Wikipedia) 458 1 / 476
3 mint/iso 260 5 / 255
4 lineageos (Free and Open-Source Android distribution) 246 3 / 327
5 eclipse 162 4 / 266
6 opensuse 138 7 / 119
7 fedora 136 6 / 137
8 cdn.media.ccc.de (Talk recordings from CCC and related conferences) 120 - / 94
9 centos 117 9 / 109
10 osmc (Open Source Media Center) 112 8 / 113

The percentage of IPv6 traffic increased a tiny bit again, to 25% (0.87 PB), after 22% in 2018, 22% in 2017, 14% in 2016 and 11% in 2015.

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Mirrors Generating Most Traffic in 2018

The total traffic of ftp.fau.de increased from 2.51 PB in 2017 to 3.22 PB in 2018, a 28% increase.

Rank Mirror Traffic 2018 in TB Rank/Traffic 2017 (for comparison)
1 kiwix (offline Wikipedia) 476 1 / 371
2 qtproject (Qt Toolkit) 445 2 / 274
3 lineageos (Free and Open-Source Android distribution) 327 3 / 203
4 eclipse 266 7 / 147
5 mint/iso 255 5 / 190
6 fedora 137 8 / 103
7 opensuse 119 5 / 152
8 osmc (Open Source Media Center) 113 6 / 149
9 centos 109 11 / 69
10 ctan (comprehensive TEX archive network) 95 10 / 93

Even though the absolute amount of IPv6 traffic increased a bit, its percentage of all traffic stagnated, with 22% (0.72 PB) in 2018, after 22% in 2017, 14% in 2016 and 11% in 2015.

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Mirrors generating most traffic in 2017

The total traffic of ftp.fau.de increased from 1.89 PB in 2016 to 2.51 PB in 2017, by 33%. 203 TB alone was accounted to one of our newest additions from late may 2017: lineageos, a free and open-source android distribution and successor of cyanogenmod (which was discontinued).

Rank Mirror Traffic 2017 in TB Rank/Traffic 2016 (for comparison)
1 kiwix (offline Wikipedia) 371 2 / 262
2 qtproject (Qt Toolkit) 274 1 / 264
3 lineageos (Free and Open-Source Android distribution) 203 (since late may) - / -
4 mint/iso 190 5 / 134
5 opensuse 152 4 / 145
6 osmc (Open Source Media Center) 149 3 / 172
7 eclipse 147 6 / 131
8 fedora 103 7 / 115
9 cdn.media.ccc.de (Talk recordings from CCC conferences) 99 8 / 91
10 ctan (comprehensive TEX archive network) 93 9 / 76

The total IPv6 traffic increased significantly, to 22% (0.55 PB) of all traffic in 2017, from 14% in 2016 and 11% in 2015.

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Mirrors Generating Most Traffic in 2016

It seems I haven’t posted the traditional annual mirror stats for 2016 yet. Well, lets fix that: Here are the most used mirrors on ftp.fau.de in 2016:

Rank Mirror Traffic 2016 in TB Rank/Traffic 2015 (for comparison)
1 qtproject (Qt Toolkit) 264 1 / 199
2 kiwix (offline Wikipedia) 262 2 / 179
3 osmc (Open Source Media Center) 172 - / 35
4 opensuse 145 4 / 139
5 mint 134 3 / 179
6 eclipse 131 6 / 97
7 fedora 115 5 / 100
8 cdn.media.ccc.de (Talk recordings from CCC conferences) 91 7 / 83
9 ctan (comprehensive TEX archive network) 76 8 / 63
10 tdf (The Document Foundation - LibreOffice) 58 9 / 48

Comparing this list to last year, the first thing one notices is the new entry on rank 3: OSMC generates a steady amount of traffic, with visible peaks whenever they do a release. They were not in the 2015 top ten because we only started mirroring it in Q4 of 2015.

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