List of 493 registered instances:
spreebits.de
social.stage.anoxinon.de
tacheles.social
mastodon.hostnetwork.xyz
social.rrrr.wtf
mrrp.chimmie.k.vu
zeebo.social
mastodon.mynet.one
sharkeyspace.de
mastdn.io
mastodon.wivodaim.net
m.freq.io
reddawn247.se
mastodon.tgo.social
mstdn.fun.systems
mastodon.deepspace.cafe
plaudern.duckdns.org
masto.tstoll.me
masto.budgie.lol
mastodon.projetretro.io
social.misk.cf
social.khaus.io
techtett.de
mastodon.scientiam.org
whatisthat.xyz
social.autonomy.earth
vhs.social
apotheke.social
mstdn.jklmno.org
mastodon.stormcrest.org
losodokodon.bandrate.org
mstdn.doern.tech
social.anno79.de
troetmund.de
social.onlythe.net
fediverse.serialexperiments.club
social.greatvoid.org
onlinegemein.de
plusi.moe
mastodon.digilol.net
crafter.social
hi.fabis.cafe
ciechom.eu
social.kalterwinter.info
homo.1919810.space
shout.3xd.eu
social.schnitzler.one
knse.net
social.marzillier.net
m.lonet.org
fruef.social
swissodon.ch
mastodon.magnor.ovh
fursona.party
leipzig.town
mstdn.fan
social.zerojay.com
soc.cluboftone.com
social.redflag.ps
mastodon.rprivat.eu
pfalz.social
activityocean.org
unredacted.social
liberareto.nesohub.org
cosplaytweet.com
social-potsdam.space
observatory.cyber.harvard.edu
upload.chat
ratingen.social
mastodon.jabbxi.de
nochiiverse.eu
social.rand0m.fail
team.dumango.com
social.bobjargus.net
social.championpictures.at
2k2k.org
social.vermona.com
qicx.net
mastodon.server-heimnetz-scharfenbrueck.ipv64.net
mastodon.nextcraft.link
masto.i-bobs.com
mstdn.kielo.me
mastodon.alphapuggle.dev
sidestore.social
social.domaincrawler.com
social.media-techport.de
mastodon.cyberreality.org
mast.flups.familyds.org
social.rsl.gg
mastodon.baderpetrick.de
masto.versagt.wien
disobey.net
toot.zerojay.com
misskey.eskimo.com
mastodon.darkness.services
collins-corner.cc
firefish.crazy-to-bike.de
bayerwald.social
toot.wiai.de
fastani.me
dol.social
social.xyntion.consulting
mstdn.org
matriochka.intxiv.ru.com
mastodon.hu-social.de
sachsen-medien.social
sipstea.town
strangeminds.social
mastodon.enitin.xyz
friendica.collectifdhun.ovh
social.digital-artifacts.net
f.dresden.network
mastodon.gefrickel.nohost.me
eva.cosplaytweet.com
rlp.social
social.noriakisana.dev
scrunkly.cat
skyland.social
mastodon.derg.nz
don.origofraktale.de
privacyofficers.social
stay.woke.institute
mastodon.saarland.social
masto.uc-netcorsoft.de
mastodon.myocci.social
frinx.online
birdbox.party
vaughan.social
mastdn.communisme-informel.zone
ruz.social
mastodon.mariustimmer.de
soziale.cloud
olsberg.social
privacysafe.social
mastodon.zypper.net
ruby.good.news
misskey.dream-universe.org
mastodon.dsdrive.fr
social.penzberg.me
social.detektor.fm
schraepler.de
fedi.timka.win
social.ceod.net
afterspace.rocks
wendland.elbe.social
mastodon.thecrimsontint.com
matrix.rocks
mastodon.terpotiz.net
catswords.social
mastodon.friendnet.eu
social.13-dx.de
schnauzer.cafe
mastodon.kug.is
fediverse.live
social.netguide.io
hauntshadesocial.nl
mastodon.fonsos.com
elbmatsch.de
mastodon.anura.team
mastodon-dev.stevex.online
sharkey.wheelsbot.dev
mastodon.circlewithadot.net
social.wokurka.net
mastodon.netconnect.icu
gay.amsterdam
social.appbakery.ee
fediverse-rocks.de
drupal.community
swedishmastodon.social
public.brothertec.eu
m.deepspace.cafe
mastodon.irridium.de
social.eggipedia.de
troet.burg-halle.de
schaumburg.social
masto.baranovski.cloud
opencoaster.net
fedi.abmgrt.dev
hacks.fi
mast.f0ck.org
social.main-angler.de
runbsd.duckdns.org
racoon.social
mastodon.joschlies.nohost.me
fedi.eisenbergs.de
kitty.community
mast.marzillier.net
mast.internal.nullreference.io
jsp.haus
m.azis.pt
social.weiznich.de
mastodon.greilach.dev
bytepark.social
troet.witte-nyumbani.de
misskey.bootjp.me
social.ism.yt
social.alpacaverse.games
www.mediacy.net
edafe.social
mastodon.wananavuoutfitters.com
club.dd5aa.de
social.grafschaft-aw.de
mastodon.1337.blue
borg.social
atergens.com
mastodon.kaschemme701.com
mstdn.sekbaer.de
social.damacloud.duckdns.org
mastodon.loss.com.de
mastodon.eskimo.com
fediverse.hybridlehrer.de
masto.allerlei.it
gnurfl.de
social.sixdegreesofohio.com
pink-unicorn.club
social.adlerweb.info
mastodon.hausofhomeaux.ca
m.heine.xyz
buckaroo.city
sns.onjann.club
franken.social
fed.crimsh.com
mastodon.livingonlinenow.com
social.macer.life
sk.milow.me
netzverpetzer.de
ciechom.nohost.me
mastodon.1up2down.social
mastodon.itwichtel.de
justabit.social
mastodon.e4b4.eu
flipboard.social
social.merk.ac
kupione.click
bb5.social
fedineko.org
firefish.nospy.net
fedi.bcna.de
is-likely.gay
mastodon.jhcooke.com
social.anoxinon.de
partyparrot.social
mastodonian.org
mastodon.bstly.de
social.beaware.live
maztodon.se
mastodon.forty-two.sh
nautical.social
social.cooltux.net
miltodon.social
mastodon.argentwolf.org
m.hu-social.de
mastodon.dnns.icu
flauschbar.thoshiswelt.de
meerjungfrauengrotte.de
ravarkon.work.gd
sharkey.daddelwerk.net
social.zentonic.org
social.nrwonline.org
fedispace.de
social.flashz.directory
social.stezen.de
schumacher.social
mastodon.phundrak.com
mstdn.radi0.cc
toot.againstallodds.games
k2pk.com
fedi.social
brettspiel.space
social.xnet.place
mastodon.naugrim.org
unseen-university.social
mstdn.dru5k1.io
glitch.sekbaer.de
social.trackside.blog
mastdn.coffeehack.org
mastodon.rh-social.org
mast.lukeog.com
social.insider-it.de
inthedeltawaves.social
kittie.gay
mastodon.bayern
test.mastodon.makerforce.io
social.k2pk.com
social.la-scic.fr
mastodon.flups.familyds.org
acn.social
mastodon.ozioso.online
mastodon.malmoe.social
penguicon.social
byzantinenexus.io
social.k1024.de
social.sp-codes.de
mstdn.business
mastodon.deathbybandaid.net
mas.todon.de
masto2.100flowers.tech
social.jnpw.net
mastodon.solvality.com
Moep.social
mastodon.mapf.net
dorm.social
mastodontech.de
fedi.frinx.network
freyjas.org
goingdark.social
social.redundantnoise.eu
mastodon.zapfmeister.net
social.klein.ruhr
livingevil.de
mastodon.greatvoid.org
connect.braydmedia.de
social.iamernie.ca
social.retronerd.at
social.archworks.co
mastodon.liersch.it
social.hostnetwork.xyz
mastodon.calitabby.net
social.beachcom.org
toot.redundantnoise.eu
mastodon.pixadon.ch
mastodon.kansaigaijin.com
mastodon.wappler.systems
fedihub.de
mastodon.luseho.com
frawas.de
fedi.smith.geek.nz
social.gnuweeb.org
talk.balfolk.social
otter.nexus
toot.brumm.family
social.breisgaucave.de
masto.kurohana.me
social.eubf.net
mastodon.gemo.social
social.itwien.net
mastodon.olivernitsche.synology.me
mastodon.eisenbergs.de
mastodon.lordoftheplex.com
soc.intxiv.io
x.good.news
astroposting.de
blog.dumango.com
social.blazma.st
soc.c11um.de
thomasjpr.social
otaku.1337.blue
genista.osrx.chat
mastodon.adtension.com
jasdemi.com
netcup.social
social.undeadnetwork.de
lab.wheelsbot.dev
social.suchtbasis.de
firefish.nesohub.org
firefish.fediverse.live
talk.mls20.de
mastodon.mrtoto.de
thohme.de
mastodon.bandrate.org
mastodon.maechler.cloud
mastodon.une.fi
unsocial.morbia.org
key.by0.tech
social.pericles.hu
bremen.digital
mastodon.helvetet.eu
social.kyzune.com
m.pilz.foo
mastodon.bruckner.email
mas.x64.onl
ottweiler.social
social.glisco.de
tranvender.site
burnout.cafe
technikpunk.net
sharkey.nospy.net
social.openlab-saar.de
social.amichan.de
m.mirv.top
yapmi.net
noto.social
sharkey.coffeeandtrains.de
social.row-social.de
mastodon.moestel.eu
burningboard.net
devellight.space
status.pointless.one
ramblings.social
social.michels.xyz
social.spicysources.de
mstdn.canarylabs.eu
cailincat.cloud
social.asgardius.company
social.techniverse.net
mastodon.maescool.be
mastodon.gramschladen.de
her-mann.de
mstdn.jmrp.io
mastodon.girolab.foo
i-love.vodka
space.jeroenvd.nl
social.msaood.com
bitflipp.social
eva00.cosplaytweet.com
mastodon.gaias.social
17th.me
dresden.network
mastopouet.fr
social-pflege.de
social.lex-blog.eu
mastodon.cemunz.de
social.rooty.fr
stpauli.social
mastodon.dev-null.rocks
mstdn.azrak.io
social.relula.nl
mastodon.rzgierskopp.de
jaaber.ch
social.dvdr.download
mastodon.daponline.com
blog.davidmckeitch.com
mastodon.nordic.online
social.vleij.com
falkensee.social
social.minecodes.de
fed.interfree.ca
guerrill.art
social.sebastian-neu.de
mooose.org
social.yussuv.com
mastodon.dsss.space
mstdn.budgie.lol
social.peregrinor.net
troete.rechenkugel.de
toot.houbahouba.de
fedi.latenightpopcorn.com
md.jott-emm.social
mastodon.trabus322.eu
mastodon.jonasled.de
re.lire.im
c64.social
social.crablab.uk
social.cybertalk.io
mastodon.wormhole.eu
sueden.social
notwork.in
mastodon.kuenet.ch
mastodon.jamidisi-edu.de
messydata.de
social.hostpath.de
drip_drip_drip.activityocean.org
dark.morbia.org
mastodon.kmu-angebote.ch
void.crypt0n.org
social.stefanberger.net
social.krserv.de
mastodon.koch-server.de
mastodon.georgschilling.de
station.y-space.de
social.eldshort.de
social.kyzune.com
fedi.pathsecho.quest
pleroma.7seven.cloud
social.vengeful.eu
clew.live
social.elstabloserver.de
social.otsuka.haus
fediblock.24-7.ro
ebadf.port0.org
elektrine.ngrok.app
pleroma.gruenelin.de
social.mdosch.de
yakup.karaman.app
waifus.biz
pl.ametic.ovh
soc.cluboftone.com
snac.wheelsbot.dev
channermemes.baselinux.net
clew.lol
www.paperbunny.asia
fedi.kooosh.de
declin.eu
social.retroedge.tech
ferals-on.top
dyli.moe
fedi.bryie.com
reactionarytenderqueer.minecraftnoob.com
fediblock.lol
glegle.party
soc.femme.cat
akkoma.alster.space
fedi.u2p.net