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Re: [tor-talk] >600 Tor relays without ContactInfo and similar properties

> Since the Tor directory authorities are no longer removing such undeclared relay groups
> and I feel bad about sitting on this list without doing anything with it 
> I'm posting it here for your information.
> 
> This is a set of over 600 Tor relays that got added since 2020-01-29  on a limited set of hosters.
> They have some similarities in their sign-up pattern and properties.
> 
> 
> Most of them are middle relays (non exit relays).
> 
> total guard probability: 3.6%
> total middle probability: 10.1%
> 
> https://github.com/nusenu/tor-network-observations/blob/master/20200129-20200819_unknown_middle_relaygroup.txt
> 
> +-----------------------+----------+
> | as_name               |   relays |
> +-----------------------+----------+
> | Microsoft Corporation |      254 |

all of those that used to run at at Microsoft 
left (or got kicked?) on 2020-09-19 20:00

but no worries they keep pumping new relays into the network
and their fraction is impressive: 

>20% middle probability 
at the beginning of the month (before many hibernate)
and 
>5% guard probability

> | Linode, LLC           |       82 |
> | UAB Cherry Servers    |       75 |
> | <missing ASN data>    |       62 |
> | Cogent Communications |       44 |
> | Hetzner Online GmbH   |       38 |
> | OVH SAS               |       26 |
> | DigitalOcean, LLC     |       11 |
> | Online S.a.s.         |        9 |
> | Enzu Inc              |        7 |
> +-----------------------+----------+


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