Administered by:
Owners of small servers, if you want to expand your server's view of the Fediverse you can use relays.
General relays tend to use a very great amount of resources, so you may prefer to use topic-specific relays such as those provided at FediBuzz:
There's more info on how admins can add relays to Mastodon servers at:
https://fedi.tips/using-relays-to-quickly-expand-a-servers-view-of-the-fediverse
relay.fedi.buzz#FediBuzz Relay
More from 
Astro
@Rush@mstdn.social@feditips so, this bridges the gap between smaller instances and the wider fediverse if I understand right?
Sounds interesting, definitely sounds like something I'd use if I ever host a Mastodon instance 
