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  • Rob Ricciricci
    Apr 25, 2025, 7:46 PM

    Thanks to suggestions from others, I did this with a much larger dataset of 27k fediverse servers (10x as many as my last post). This time the data is from fedilist.com/instance

    Here's what I get:

    CloudFlare does sit in front of a large number of servers (4620) but a smaller percentage: 17%

    Hetzner is replaced by OVH, barely, as the second most popular host, each host about 11% of fediverse servers

    Top 10 networks in this dataset:

    3000 Cloudflare, Inc.
    2471 Hetzner Online GmbH
    1009 DigitalOcean, LLC
    861 OVH SAS
    655 Akamai Connected Cloud
    627 netcup GmbH
    353 Amazon.com, Inc.
    340 IONOS SE
    334 Oracle Corporation
    327 Contabo GmbH

    The astute reader will notice that this does not match what I said above re: Hetzner and OVH; this is because the first set of stats counts each *domain* once, and this set counts each *IP address* once. Many of the domains at OVH are hosted from a handful of IP addresses, this is likely due to masto.host but I didn't look deeply.

    Here are the top 10 IP addresses hosting fediverse servers:

    681 94.23.75.107 (OVH)
    657 54.38.247.97 (OVH)
    481 151.101.3.7 (Fastly)
    255 104.21.16.1 (CloudFlare)
    251 178.33.220.142 (OVH)
    184 50.56.249.138 (Rackspace)
    172 217.182.80.236 (OVH)
    166 104.22.76.159 (CloudFlare)
    144 151.101.131.7 (Fastly)
    135 139.99.39.10 (OVH Singapore)

    Now, the majority fediverse servers are on networks that host *five or fewer* fedivserse servers. Six thousand fediverse servers are the only one on their network.

    To take out half of the fediverse (remember, we're talking servers here, not users), you'd have to take out more than *three hundred networks*.

    Top countries in this bigger dataset:

    7114 United States
    4230 Germany
    1248 France
    862 Japan
    605 Finland
    599 United Kingdom
    565 Netherlands
    529 Canada
    221 Australia
    217 Switzerland

    And by continent (as defined by ipinfo):

    8874 Europe
    7661 North America
    1218 Asia
    250 Oceania
    73 South America
    24 Africa

    Several folks suggested other interesting analyses:

    * A post that peeks behind the CloudFlare curtain: blog.benjojo.co.uk/post/who-ho

    * A cool site that displays similar data in a much more pretty form, and has some per-user data: fedi.wrm.sr/

    * A graph that shows that while there are big instances of course, users are actually spread across a large set of instances overall: aus.social/@Drbruced/114335400

    Thanks to the people that brought these to my attention!

    Finally, a more complete map:

    ipinfo.io/tools/map/190d4a54-1

    💬 6🔄 119⭐ 138

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