ActivityPub勢の多いインスタンスは下記のような感じ。
> SELECT COUNT(1), domain FROM accounts WHERE protocol=1 GROUP BY domain HAVING COUNT(1) > 5 ORDER BY 1 DESC;
count | domain
-------+-----------------
53 | mstdn.jp
21 | pawoo.net
13 | mstdn.guru
13 | mstdn.maud.io
10 | mastodon.social
(5 rows)