List of 532 registered instances:
mastodontech.de
fedi.tyil.nl
jsp.haus
social.trackside.blog
mastodon.digilol.net
social.kyzune.com
2k2k.org
mastodon.h4x0.red
social.macer.life
cyangant.dedyn.io
spreebits.de
eva00.cosplaytweet.com
netcup.social
sharkey.wheelsbot.dev
social.beachcom.org
mastodon.wivodaim.net
social.ceod.net
space.jeroenvd.nl
mastodon.jhcooke.com
meerjungfrauengrotte.de
hi.fabis.cafe
technikpunk.net
social.cooltux.net
mastodon.1337.blue
troetmund.de
fedi.latenightpopcorn.com
ostkind.social
mastodon.malmoe.social
brettspiel.space
mastodon.bayern
mast.marzillier.net
yapmi.net
social.onlythe.net
tusk.macer.life
mastodon.psykey.dev
noto.social
social.schnitzler.one
social.alpacaverse.games
mastdn.communisme-informel.zone
mastodon.eskimo.com
mastodon.tgo.social
social.cybertalk.io
mastodon.dsss.space
social.haug.systems
mastdn.io
social.myexp.de
tranvender.site
md.jott-emm.social
mastodon.maechler.cloud
mastodon.ozioso.online
borg.social
mastodon.kansaigaijin.com
mastodon.mariustimmer.de
status.pointless.one
social.lex-blog.eu
fruef.social
mastodon.argentwolf.org
social.main-angler.de
fediverse.live
mastodonian.org
social.penzberg.me
mastodon.rh-social.org
re.lire.im
mstdn.business
fedi.eisenbergs.de
hell.cloud
mast.lukeog.com
social.digital-artifacts.net
social.redundantnoise.eu
social.row-social.de
social.vleij.com
mastodon.cemunz.de
social.detektor.fm
social.damacloud.duckdns.org
f.dresden.network
dark.morbia.org
mastodon.moestel.eu
mastopouet.fr
notwork.in
nautical.social
social.rand0m.fail
falkensee.social
Moep.social
m.mirv.top
discover.holm.community
racoon.social
burningboard.net
fedispace.de
penguicon.social
social.vir.group
rlp.social
mastodon.ferox.cc
mastodon.weindl.biz
livingevil.de
fedi.abmgrt.dev
schnauzer.cafe
vaughan.social
mastodon.cyberreality.org
social.netguide.io
acn.social
social.redflag.ps
mastodon.georgschilling.de
masto.uc-netcorsoft.de
mastodon.glombit.de
social.undeadnetwork.de
social.msaood.com
mastodon.deepspace.cafe
sidestore.social
social.khaus.io
sharkeyspace.de
social.hamburg
social.media-techport.de
relaxedgamers.de
mielke.social
mastodon.rprivat.eu
mstdn.jklmno.org
social.suchtbasis.de
key.by0.tech
masto.baranovski.cloud
mastodon.bstly.de
partyparrot.social
social.glisco.de
social.klein.ruhr
friendica.collectifdhun.ovh
social.anoxinon.de
mastodon.mrtoto.de
social.grafschaft-aw.de
masto.namwen.me
mastodon.gefrickel.nohost.me
scrunkly.cat
k2pk.com
mastodon.darkness.services
batchats.net
soziale.cloud
firefish.fediverse.live
unseen-university.social
leipzig.town
mastodon.neatobuilds.com
made-online.net
masto2.100flowers.tech
mstdn.fun.systems
mastodon.lordoftheplex.com
plaudern.duckdns.org
mastodon.gaias.social
mastodon.trabus322.eu
mast.internal.nullreference.io
mastodon.olivernitsche.synology.me
social.zcore.org
mstdn.budgie.lol
don.origofraktale.de
social-potsdam.space
matriochka.intxiv.ru.com
mastodon.zapfmeister.net
skyland.social
talk.mls20.de
frinx.online
social.hostnetwork.xyz
social.michels.xyz
mastodon.zypper.net
stpauli.social
m.pilz.foo
void.crypt0n.org
mastodon.hostnetwork.xyz
guerrill.art
mastodon.nerfwrecking.de
public.brothertec.eu
social.k2pk.com
wendland.elbe.social
social.bobjargus.net
social.sixdegreesofohio.com
toot.houbahouba.de
social.championpictures.at
mastodon.server-heimnetz-scharfenbrueck.ipv64.net
social.weiznich.de
mastodon.kaschemme701.com
social.breadcrumbs.info
mastodon.derg.nz
www.mediacy.net
soc.cluboftone.com
mastodon.adtension.com
bitflipp.social
social.stefanberger.net
mastodon.projetretro.io
mastodon.koch-server.de
sharkey.daddelwerk.net
masto.versagt.wien
17th.me
bitsandlife.social
mstdn.fan
social.asgardius.company
mastodon.expect.ovh
social.krserv.de
m.hu-social.de
social-pflege.de
mastodon.joschlies.nohost.me
hauntshadesocial.nl
social.rsl.gg
social.k1024.de
mastodon.enitin.xyz
mastodon.dsdrive.fr
mastodon.terpotiz.net
social.crablab.uk
buckaroo.city
atergens.com
sachsen-medien.social
mastodon.solvality.com
social.zerojay.com
mastodon.1up2down.social
toot.zerojay.com
social.appbakery.ee
olsberg.social
schumacher.social
social.fwcr.de
gay.amsterdam
social.sp-codes.de
mstdn.kielo.me
unredacted.social
club.dd5aa.de
fedi.bcna.de
plusi.moe
social.nrwonline.org
mooose.org
masto.jann.dev
onlinegemein.de
otter.nexus
gampcc.online
social.stage.anoxinon.de
thomasjpr.social
bb5.social
fed.interfree.ca
inthedeltawaves.social
bremen.digital
astroposting.de
fedineko.org
mas.todon.de
mastodon.magnor.ovh
ruby.good.news
mrrp.chimmie.k.vu
ls-freunde.d-empires.de
mastodon.hu-social.de
social.autonomy.earth
sipstea.town
social.xyntion.consulting
mastodon.calitabby.net
social.blazma.st
mastodon.itwichtel.de
social.dvdr.download
drupal.community
mastodon.luseho.com
mastodon.phundrak.com
mastodon.pixadon.ch
rel.re
gnurfl.de
masto.kurohana.me
social.iamernie.ca
soc.intxiv.io
dresden.network
frawas.de
fediverse.hybridlehrer.de
dol.social
eva.cosplaytweet.com
social.xnet.place
social.openlab-saar.de
troet.burg-halle.de
mastodon.naugrim.org
mastodon.myocci.social
social.kalterwinter.info
piraten-partei.social
m.deepspace.cafe
mastodon.mapf.net
mastodon.dnns.icu
mastodon.denike.io
mastodon-dev.stevex.online
social.adlerweb.info
apotheke.social
kittie.gay
unsocial.morbia.org
social.terminaltilt.com
mastodon.une.fi
mastodon.friendnet.eu
fedi.timka.win
burnout.cafe
social.noriakisana.dev
social.hostpath.de
mastodon.bruckner.email
misskey.dream-universe.org
social.flashz.directory
kupione.click
mastodon.netconnect.icu
mastodon.anura.team
disobey.net
connect.braydmedia.de
fursona.party
reddawn247.se
mastodon.gramschladen.de
sns.onjann.club
swissodon.ch
losodokodon.bandrate.org
mastodon.saarland.social
mastodon.flups.familyds.org
social.13-dx.de
social.relula.nl
masto.tstoll.me
mastodon.wananavuoutfitters.com
m.lonet.org
toot.wiai.de
mastdn.coffeehack.org
social.beaware.live
mastodon.nextcraft.link
troet.witte-nyumbani.de
vhs.social
lab.wheelsbot.dev
social.insider-it.de
mastodon.kug.is
masto.i-bobs.com
drip_drip_drip.activityocean.org
mstdn.dru5k1.io
flauschbar.thoshiswelt.de
social.merk.ac
qicx.net
homo.1919810.space
m.heine.xyz
afterspace.rocks
social.rooty.fr
sharkey.nospy.net
messydata.de
crafter.social
mas.x64.onl
thohme.de
mastodon.loss.com.de
social.witez.net
mastodon.thecrimsontint.com
nochiiverse.eu
mastodon.livingonlinenow.com
mastodon.fediverse.dedyn.io
ottweiler.social
social.la-scic.fr
mastodon.maescool.be
mastodon.greilach.dev
mastodon.bandrate.org
social.wokurka.net
social.itwien.net
social.yussuv.com
mastodon.daponline.com
masto.budgie.lol
mastodon.girolab.foo
mastodon.jabbxi.de
liberareto.nesohub.org
mastodon.forty-two.sh
mastodon.kmu-angebote.ch
activityocean.org
upload.chat
firefish.crazy-to-bike.de
empuriabrava-newsletter.com
social.peregrinor.net
schraepler.de
fedihub.de
fastani.me
stay.woke.institute
social.stezen.de
fed.crimsh.com
otaku.1337.blue
bytepark.social
mastodon.gemo.social
social.amichan.de
x.good.news
mastodon.deathbybandaid.net
mastodon.jamidisi-edu.de
social.zauchen.io
ruz.social
social.server17.net
social.livingtrust.store
social.moltenaether.com
franken.social
devellight.space
social.domaincrawler.com
firefish.nesohub.org
matrix.rocks
strangeminds.social
hacks.fi
cosplaytweet.com
social.greatvoid.org
i-love.vodka
soc.c11um.de
her-mann.de
observatory.cyber.harvard.edu
mastodon.stormcrest.org
ciechom.nohost.me
mastodon.kuenet.ch
mastodon.liersch.it
netzverpetzer.de
mastodon.helvetet.eu
talk.balfolk.social
mastodon.awit.at
firefish.nospy.net
social.retronerd.at
mastodon.wormhole.eu
catswords.social
social.vermona.com
mstdn.canarylabs.eu
birdbox.party
misskey.bootjp.me
ramblings.social
zeebo.social
mast.f0ck.org
social.spicysources.de
shrk.mv2k.net
m.azis.pt
maztodon.se
social.gnuweeb.org
kitty.community
is-likely.gay
mastodon.dev-null.rocks
mastodon.nordic.online
glitch.sekbaer.de
schaumburg.social
mastodon.e4b4.eu
genista.osrx.chat
tacheles.social
toot.againstallodds.games
misskey.eskimo.com
goingdark.social
privacyofficers.social
runbsd.duckdns.org
pfalz.social
mastodon.irridium.de
mastodon.circlewithadot.net
miltodon.social
mstdn.mv2k.net
sharkey.pnyhf.eu
social.anno79.de
mstdn.doern.tech
blog.dumango.com
jasdemi.com
ciechom.eu
social.marzillier.net
social.eubf.net
justabit.social
whatisthat.xyz
swedishmastodon.social
knse.net
social.pericles.hu
shout.3xd.eu
ravarkon.work.gd
social.eggipedia.de
fediverse-rocks.de
mstdn.sekbaer.de
opencoaster.net
ratingen.social
social.misk.cf
hoax.social
fedi.frinx.network
mstdn.jmrp.io
ja.social
toot.brumm.family
mastodon.rzgierskopp.de
test.mastodon.makerforce.io
mstdn.org
mstdn.radi0.cc
jaaber.ch
sueden.social
pink-unicorn.club
freyjas.org
fedi.welten-wanderin.de
flipboard.social
cailincat.cloud
social.minecodes.de
social.heizerdesk.workers.dev
fawkes.rocks
m.freq.io
mastodon.baderpetrick.de
social.rrrr.wtf
fediverse.serialexperiments.club
sk.milow.me
sharkey.coffeeandtrains.de
masto.allerlei.it
social.archworks.co
fedi.social
mast.flups.familyds.org
mastodon.greatvoid.org
hollow.raccoon.quest
mastodon.jonasled.de
mastodon.eisenbergs.de
sikotter.hikamer.f5.si
mastodon.hausofhomeaux.ca
collins-corner.cc
mastodon.fonsos.com
toot.redundantnoise.eu
fedi.smith.geek.nz
mastodon.scientiam.org
troete.rechenkugel.de
blog.davidmckeitch.com
mastodon.mynet.one
privacysafe.social
social.sebastian-neu.de
bayerwald.social
team.dumango.com
mastodon.alphapuggle.dev
pleroma.7seven.cloud
social.retroedge.tech
station.y-space.de
clew.lol
social.vengeful.eu
ebadf.port0.org
fediblock.24-7.ro
fedi.u2p.net
social.mdosch.de
fedi.kooosh.de
soc.cluboftone.com
glegle.party
pleroma.gruenelin.de
ferals-on.top
clew.live
akkoma.alster.space
waifus.biz
elektrine.ngrok.app
soc.femme.cat
www.paperbunny.asia
yakup.karaman.app
dyli.moe
snac.wheelsbot.dev
fedi.pathsecho.quest
pl.ametic.ovh
social.eldshort.de
fediblock.lol
social.otsuka.haus
channermemes.baselinux.net
social.elstabloserver.de
social.kyzune.com
fedi.bryie.com
declin.eu
reactionarytenderqueer.minecraftnoob.com