List of 529 registered instances:
social.ceod.net
bytepark.social
social.moltenaether.com
ciechom.nohost.me
key.by0.tech
onlinegemein.de
social.sp-codes.de
fed.crimsh.com
mastodon.wananavuoutfitters.com
eva00.cosplaytweet.com
social.vleij.com
social.krserv.de
mastodon.nextcraft.link
yapmi.net
fedi.abmgrt.dev
social.minecodes.de
rlp.social
glitch.sekbaer.de
mastodon.stormcrest.org
unsocial.morbia.org
soc.c11um.de
jsp.haus
mastodon.terpotiz.net
hollow.raccoon.quest
jaaber.ch
batchats.net
mastodon.projetretro.io
mastodon.1up2down.social
gnurfl.de
social.beaware.live
Moep.social
social.xyntion.consulting
hi.fabis.cafe
mastodon.mapf.net
schaumburg.social
fedi.tyil.nl
netcup.social
social.beachcom.org
social.suchtbasis.de
mastodon.fediverse.dedyn.io
firefish.fediverse.live
nochiiverse.eu
social.damacloud.duckdns.org
mastodon.maechler.cloud
sachsen-medien.social
social.redundantnoise.eu
mast.flups.familyds.org
otaku.1337.blue
fediverse.serialexperiments.club
ratingen.social
mast.lukeog.com
social.khaus.io
mastodon.calitabby.net
tusk.macer.life
social.itwien.net
fediverse-rocks.de
privacysafe.social
vaughan.social
social.archworks.co
mastodon.koch-server.de
mastodon.une.fi
don.origofraktale.de
social.marzillier.net
mastodon.mrtoto.de
unseen-university.social
mastodon.thecrimsontint.com
activityocean.org
mstdn.canarylabs.eu
thohme.de
friendica.collectifdhun.ovh
social.vir.group
misskey.eskimo.com
social.crablab.uk
mastodon.jamidisi-edu.de
social.cybertalk.io
social.iamernie.ca
wendland.elbe.social
fediverse.hybridlehrer.de
social.schnitzler.one
masto.budgie.lol
meerjungfrauengrotte.de
mstdn.kielo.me
losodokodon.bandrate.org
mastodon.bayern
dresden.network
collins-corner.cc
opencoaster.net
social.weiznich.de
mastodon.mynet.one
2k2k.org
netzverpetzer.de
social.witez.net
social.anoxinon.de
fed.interfree.ca
social.rrrr.wtf
mastodon.nordic.online
toot.houbahouba.de
fedi.smith.geek.nz
mastodon.pixadon.ch
social.kyzune.com
mastodon.ozioso.online
firefish.nospy.net
social.grafschaft-aw.de
social.fwcr.de
mastodon.awit.at
mastodon.eisenbergs.de
social.adlerweb.info
mastodon.phundrak.com
troet.witte-nyumbani.de
mstdn.sekbaer.de
mastodon.rprivat.eu
plusi.moe
dol.social
mastodon.forty-two.sh
schraepler.de
fedi.eisenbergs.de
fedi.social
mastodon.myocci.social
mastodon.magnor.ovh
mast.f0ck.org
social.hostpath.de
soc.intxiv.io
social.zerojay.com
gay.amsterdam
social.hostnetwork.xyz
social.digital-artifacts.net
toot.redundantnoise.eu
noto.social
mastodon.itwichtel.de
empuriabrava-newsletter.com
mstdn.jmrp.io
m.heine.xyz
mastodon.greilach.dev
mastodon.kmu-angebote.ch
talk.balfolk.social
matrix.rocks
schumacher.social
scrunkly.cat
toot.wiai.de
mastodon.weindl.biz
devellight.space
stpauli.social
troet.burg-halle.de
mastodon.maescool.be
masto.baranovski.cloud
social.trackside.blog
bb5.social
livingevil.de
mastodon.solvality.com
mastodon.gefrickel.nohost.me
masto.uc-netcorsoft.de
social.rooty.fr
hacks.fi
mstdn.budgie.lol
sharkey.wheelsbot.dev
mastodon.darkness.services
hauntshadesocial.nl
mastodon.e4b4.eu
social.zcore.org
mastodon.nerfwrecking.de
frawas.de
mastodontech.de
buckaroo.city
mastodon.deathbybandaid.net
social.relula.nl
made-online.net
social.anno79.de
rel.re
i-love.vodka
social.13-dx.de
social.la-scic.fr
mastodon.zypper.net
md.jott-emm.social
mstdn.jklmno.org
partyparrot.social
mastodon.dsdrive.fr
social.onlythe.net
mastodon.baderpetrick.de
mastodon.jhcooke.com
brettspiel.space
miltodon.social
drupal.community
social.livingtrust.store
masto.allerlei.it
mastodonian.org
mastodon.bstly.de
mastodon.daponline.com
mastodon.hostnetwork.xyz
schnauzer.cafe
social.msaood.com
pink-unicorn.club
social.championpictures.at
mooose.org
social.appbakery.ee
blog.dumango.com
mastodon.wivodaim.net
racoon.social
m.lonet.org
mastodon.livingonlinenow.com
otter.nexus
flipboard.social
masto.i-bobs.com
mas.todon.de
olsberg.social
mastdn.io
blog.davidmckeitch.com
social.rsl.gg
mastodon.circlewithadot.net
mastodon.moestel.eu
space.jeroenvd.nl
mastodon-dev.stevex.online
mastodon.rh-social.org
mastodon.girolab.foo
knse.net
mastodon.liersch.it
mastodon.anura.team
mastodon.georgschilling.de
fedi.welten-wanderin.de
ottweiler.social
fedineko.org
mastodon.dnns.icu
mastodon.digilol.net
fedihub.de
social.penzberg.me
mastodon.joschlies.nohost.me
test.mastodon.makerforce.io
sipstea.town
mastodon.irridium.de
firefish.nesohub.org
social.stefanberger.net
mastodon.gemo.social
birdbox.party
social.zauchen.io
social.macer.life
social.server17.net
shout.3xd.eu
mastodon.tgo.social
burnout.cafe
sueden.social
runbsd.duckdns.org
social.main-angler.de
troetmund.de
mastodon.neatobuilds.com
vhs.social
whatisthat.xyz
disobey.net
social.autonomy.earth
ostkind.social
misskey.bootjp.me
mastodon.argentwolf.org
mastodon.rzgierskopp.de
cailincat.cloud
club.dd5aa.de
mastodon.denike.io
fediverse.live
penguicon.social
troete.rechenkugel.de
social.dvdr.download
kitty.community
cosplaytweet.com
social.rand0m.fail
mastodon.kug.is
mastodon.derg.nz
mastodon.enitin.xyz
bitflipp.social
kupione.click
toot.zerojay.com
mastodon.mariustimmer.de
mstdn.dru5k1.io
17th.me
social.vermona.com
acn.social
fedi.latenightpopcorn.com
social.cooltux.net
mstdn.fun.systems
piraten-partei.social
ciechom.eu
masto2.100flowers.tech
m.deepspace.cafe
leipzig.town
mastodon.hu-social.de
technikpunk.net
fedi.bcna.de
firefish.crazy-to-bike.de
mastodon.dev-null.rocks
skyland.social
sidestore.social
team.dumango.com
social.greatvoid.org
masto.jann.dev
social.netguide.io
crafter.social
is-likely.gay
observatory.cyber.harvard.edu
social.kalterwinter.info
mastodon.lordoftheplex.com
mastodon.olivernitsche.synology.me
mas.x64.onl
mastodon.psykey.dev
mastodon.gaias.social
social-pflege.de
mastodon.ferox.cc
discover.holm.community
ramblings.social
public.brothertec.eu
fedi.timka.win
mstdn.azrak.io
x.good.news
social.pericles.hu
strangeminds.social
inthedeltawaves.social
catswords.social
social.redflag.ps
social.lex-blog.eu
sharkeyspace.de
social.eggipedia.de
lab.wheelsbot.dev
liberareto.nesohub.org
mastodon.hausofhomeaux.ca
mastodon.wormhole.eu
social.peregrinor.net
fedispace.de
social.row-social.de
social.asgardius.company
fruef.social
swissodon.ch
mastodon.expect.ovh
sharkey.coffeeandtrains.de
mstdn.business
homo.1919810.space
zeebo.social
mastodon.helvetet.eu
mastodon.1337.blue
m.mirv.top
reddawn247.se
fedi.frinx.network
social.undeadnetwork.de
falkensee.social
atergens.com
mastodon.naugrim.org
mstdn.org
social.flashz.directory
astroposting.de
ls-freunde.d-empires.de
social.stage.anoxinon.de
thomasjpr.social
mastodon.glombit.de
privacyofficers.social
fursona.party
mastodon.friendnet.eu
tranvender.site
toot.againstallodds.games
bayerwald.social
social.detektor.fm
mastdn.coffeehack.org
social.stezen.de
social.nrwonline.org
social.blazma.st
void.crypt0n.org
cyangant.dedyn.io
mastodon.gramschladen.de
franken.social
hoax.social
ruby.good.news
mastodon.zapfmeister.net
social.klein.ruhr
social.sebastian-neu.de
mastodon.server-heimnetz-scharfenbrueck.ipv64.net
mastodon.netconnect.icu
mstdn.fan
gampcc.online
kittie.gay
masto.versagt.wien
social.amichan.de
mastodon.cemunz.de
social.wokurka.net
mastodon.dsss.space
drip_drip_drip.activityocean.org
mastodon.luseho.com
mielke.social
k2pk.com
mrrp.chimmie.k.vu
social.alpacaverse.games
mast.marzillier.net
m.hu-social.de
mstdn.mv2k.net
swedishmastodon.social
messydata.de
connect.braydmedia.de
mastdn.communisme-informel.zone
freyjas.org
masto.kurohana.me
social.sixdegreesofohio.com
social.retronerd.at
flauschbar.thoshiswelt.de
afterspace.rocks
sikotter.hikamer.f5.si
spreebits.de
mastodon.fonsos.com
pfalz.social
mastopouet.fr
talk.mls20.de
notwork.in
mastodon.jabbxi.de
masto.tstoll.me
goingdark.social
toot.brumm.family
apotheke.social
www.mediacy.net
ruz.social
jasdemi.com
mastodon.bandrate.org
social.xnet.place
dark.morbia.org
mastodon.adtension.com
mastodon.kuenet.ch
mastodon.jonasled.de
bremen.digital
mastodon.kansaigaijin.com
soziale.cloud
social.yussuv.com
social.merk.ac
mastodon.cyberreality.org
f.dresden.network
unredacted.social
social.glisco.de
tacheles.social
her-mann.de
social.haug.systems
social.media-techport.de
maztodon.se
social.myexp.de
mast.internal.nullreference.io
genista.osrx.chat
social-potsdam.space
stay.woke.institute
eva.cosplaytweet.com
sharkey.daddelwerk.net
mstdn.radi0.cc
plaudern.duckdns.org
re.lire.im
social.k2pk.com
mastodon.trabus322.eu
misskey.dream-universe.org
mastodon.alphapuggle.dev
mastodon.deepspace.cafe
sharkey.pnyhf.eu
upload.chat
social.breadcrumbs.info
mastodon.h4x0.red
social.misk.cf
mastodon.loss.com.de
mastodon.flups.familyds.org
mastodon.greatvoid.org
social.k1024.de
social.eubf.net
sns.onjann.club
social.terminaltilt.com
social.openlab-saar.de
mastodon.saarland.social
fawkes.rocks
mastodon.eskimo.com
soc.cluboftone.com
sharkey.nospy.net
guerrill.art
social.bobjargus.net
ja.social
social.spicysources.de
qicx.net
social.michels.xyz
sk.milow.me
ravarkon.work.gd
burningboard.net
mastodon.kaschemme701.com
masto.namwen.me
relaxedgamers.de
social.noriakisana.dev
mstdn.doern.tech
justabit.social
mastodon.bruckner.email
mastodon.malmoe.social
borg.social
social.insider-it.de
matriochka.intxiv.ru.com
social.gnuweeb.org
m.freq.io
mastodon.scientiam.org
fastani.me
nautical.social
social.heizerdesk.workers.dev
m.pilz.foo
social.domaincrawler.com
m.azis.pt
status.pointless.one
frinx.online
social.mdosch.de
soc.femme.cat
fedi.pathsecho.quest
fedi.bryie.com
elektrine.ngrok.app
social.elstabloserver.de
pleroma.gruenelin.de
social.eldshort.de
social.otsuka.haus
snac.wheelsbot.dev
glegle.party
ebadf.port0.org
fedi.kooosh.de
fediblock.24-7.ro
soc.cluboftone.com
clew.lol
ferals-on.top
social.vengeful.eu
clew.live
www.paperbunny.asia
pl.ametic.ovh
social.kyzune.com
pleroma.7seven.cloud
fediblock.lol
yakup.karaman.app
fedi.u2p.net
reactionarytenderqueer.minecraftnoob.com
waifus.biz
akkoma.alster.space
channermemes.baselinux.net
social.retroedge.tech
dyli.moe
station.y-space.de
declin.eu