List of 477 registered instances:
thomasjpr.social
toot.zerojay.com
social.gnuweeb.org
drip_drip_drip.activityocean.org
social.row-social.de
mastodon.kansaigaijin.com
social.michels.xyz
mastodon.mrtoto.de
mastodon.gefrickel.nohost.me
fed.crimsh.com
sidestore.social
mastodon.wormhole.eu
mastodon.trabus322.eu
mastodon.derg.nz
social.zentonic.org
olsberg.social
misskey.bootjp.me
mstdn.budgie.lol
watzmann.social
social.dvdr.download
justabit.social
borg.social
social.iamernie.ca
social.redundantnoise.eu
social.crablab.uk
social.eubf.net
atergens.com
fediverse.serialexperiments.club
fedi.social
frinx.online
firefish.nesohub.org
liberareto.nesohub.org
mastodon.dsss.space
social.rrrr.wtf
m.heine.xyz
edafe.social
social-potsdam.space
fediverse-rocks.de
social.misk.cf
mastodon.gaias.social
mstdn.sekbaer.de
mastodon.olivernitsche.synology.me
burningboard.net
mstdn.dru5k1.io
mastodon.une.fi
mastodon.greilach.dev
social.adlerweb.info
troet.witte-nyumbani.de
social.openlab-saar.de
masto.versagt.wien
mastodon.dsdrive.fr
franken.social
mastodon.greatvoid.org
mastodon.server-heimnetz-scharfenbrueck.ipv64.net
mastodon.netconnect.icu
mastodon.nextcraft.link
falkensee.social
social.rand0m.fail
talk.balfolk.social
firefish.crazy-to-bike.de
social.klein.ruhr
social.wokurka.net
social.xyntion.consulting
connect.braydmedia.de
mastodon.dev-null.rocks
yapmi.net
Moep.social
social.pericles.hu
mastodon.wivodaim.net
crafter.social
thohme.de
social.macer.life
knse.net
mastodon.forty-two.sh
c64.social
stay.woke.institute
bytepark.social
ciechom.eu
mastodon.kuenet.ch
ruby.good.news
sachsen-medien.social
sk.milow.me
hacks.fi
upload.chat
flauschbar.thoshiswelt.de
mastodon.bayern
livingevil.de
mastodon.rprivat.eu
mastodon.enitin.xyz
mastdn.communisme-informel.zone
mastodon.livingonlinenow.com
masto.allerlei.it
meerjungfrauengrotte.de
mstdn.kielo.me
mastodon.georgschilling.de
mastodon.cyberreality.org
social.alpacaverse.games
mastodon.deathbybandaid.net
zeebo.social
jsp.haus
fediverse.live
mastodon.ozioso.online
mastodon.hu-social.de
mastodon.nordic.online
apotheke.social
masto.kurohana.me
social.yussuv.com
fastani.me
mastodon.zypper.net
mastodon.liersch.it
social.minecodes.de
her-mann.de
mastodon.mapf.net
social.13-dx.de
elbmatsch.de
social.stezen.de
social.breisgaucave.de
test.mastodon.makerforce.io
social.suchtbasis.de
ciechom.nohost.me
social.marzillier.net
social.penzberg.me
social.stefanberger.net
buckaroo.city
re.lire.im
social.vleij.com
void.crypt0n.org
social.beachcom.org
whatisthat.xyz
social.sp-codes.de
social.anno79.de
social.msaood.com
brettspiel.space
social.greatvoid.org
i-love.vodka
toot.wiai.de
sharkeyspace.de
mastodon.scientiam.org
mastodon.bstly.de
social.lex-blog.eu
genista.osrx.chat
swedishmastodon.social
mastodon.joschlies.nohost.me
m.deepspace.cafe
penguicon.social
fedihub.de
mastodon.mcb-it.de
skyland.social
social.detektor.fm
team.dumango.com
swissodon.ch
netzverpetzer.de
guerrill.art
mastodon.hausofhomeaux.ca
mastodon.anura.team
misskey.dream-universe.org
mastodon.circlewithadot.net
runbsd.duckdns.org
mast.internal.nullreference.io
collins-corner.cc
toot.againstallodds.games
toot.brumm.family
mastodon.mrak.at
sharkey.wheelsbot.dev
mastodon.itwichtel.de
mastodon.loss.com.de
rlp.social
social.grafschaft-aw.de
mast.marzillier.net
mastodon.bruckner.email
masto.budgie.lol
mastodon.phundrak.com
club.dd5aa.de
mastodon.irridium.de
misskey.eskimo.com
social.asgardius.company
mastodon.luseho.com
mstdn.org
mastodon.kug.is
mastodon.girolab.foo
schaumburg.social
is-likely.gay
opencoaster.net
mast.flups.familyds.org
sns.onjann.club
pfalz.social
social.onlythe.net
privacysafe.social
stpauli.social
sharkey.nospy.net
mastodon-dev.stevex.online
social.archworks.co
bb5.social
fursona.party
social.vir.group
partyparrot.social
mastodon.friendnet.eu
social.flashz.directory
mastodon.stormcrest.org
troet.burg-halle.de
mstdn.doern.tech
mstdn.azrak.io
mastodon.maechler.cloud
fedi.frinx.network
mastodon.kaschemme701.com
privacyofficers.social
mastodon.bandrate.org
sueden.social
social.hostpath.de
masto.tstoll.me
social.sixdegreesofohio.com
mastodon.hostnetwork.xyz
social.undeadnetwork.de
fed.interfree.ca
mastodon.eisenbergs.de
mastodon.jonasled.de
social.championpictures.at
social.digital-artifacts.net
activityocean.org
jaaber.ch
social.jnpw.net
talk.mls20.de
social.krserv.de
social.cooltux.net
birdbox.party
troetmund.de
mastodon.e4b4.eu
unsocial.morbia.org
social.la-scic.fr
www.mediacy.net
mooose.org
netcup.social
mas.todon.de
mastodon.zapfmeister.net
fedi.latenightpopcorn.com
social.itwien.net
2k2k.org
ratingen.social
otter.nexus
otaku.1337.blue
mastodon.tgo.social
strangeminds.social
mastodon.fonsos.com
messydata.de
schnauzer.cafe
pink-unicorn.club
cailincat.cloud
social.main-angler.de
maztodon.se
unredacted.social
k2pk.com
homo.1919810.space
m.hu-social.de
social.schnitzler.one
astroposting.de
sipstea.town
social.insider-it.de
noto.social
mastodon.helvetet.eu
social.zerojay.com
mas.x64.onl
mastodon.gemo.social
hauntshadesocial.nl
soziale.cloud
social.cybertalk.io
mastodon.rh-social.org
friendica.collectifdhun.ovh
catswords.social
leipzig.town
scrunkly.cat
mrrp.chimmie.k.vu
mastodon.eskimo.com
social.ceod.net
devellight.space
reddawn247.se
mastodon.wananavuoutfitters.com
mastodon.terpotiz.net
social.beaware.live
mstdn.jmrp.io
social.nrwonline.org
status.pointless.one
mastodon.mynet.one
ravarkon.work.gd
social.appbakery.ee
mastodon.solvality.com
fediverse.hybridlehrer.de
mastodon.jhcooke.com
schumacher.social
mastodon.rzgierskopp.de
mastodon.jabbxi.de
mastodon.saarland.social
fedi.bcna.de
social.domaincrawler.com
notwork.in
social-pflege.de
social.merk.ac
mastodon.kmu-angebote.ch
public.brothertec.eu
social.hostnetwork.xyz
mastodon.1337.blue
mastodon.gramschladen.de
losodokodon.bandrate.org
dol.social
m.mirv.top
toot.houbahouba.de
social.amichan.de
social.eggipedia.de
mastodon.digilol.net
soc.cluboftone.com
fedispace.de
social.retronerd.at
mastodon.lordoftheplex.com
space.jeroenvd.nl
mastodon.wappler.systems
glitch.sekbaer.de
social.netguide.io
lab.wheelsbot.dev
social.weiznich.de
social.trackside.blog
social.spicysources.de
fruef.social
x.good.news
acn.social
vaughan.social
inthedeltawaves.social
mastodon.argentwolf.org
social.glisco.de
social.kalterwinter.info
mastopouet.fr
observatory.cyber.harvard.edu
blog.davidmckeitch.com
qicx.net
bremen.digital
vhs.social
flipboard.social
17th.me
mastdn.coffeehack.org
mastodon.baderpetrick.de
social.k2pk.com
blog.dumango.com
plaudern.duckdns.org
mastodon.malmoe.social
mastodon.myocci.social
mstdn.business
social.damacloud.duckdns.org
soc.c11um.de
firefish.fediverse.live
spreebits.de
m.pilz.foo
mastodon.calitabby.net
mastodon.magnor.ovh
mastodontech.de
dresden.network
social.rooty.fr
shout.3xd.eu
mastodon.daponline.com
m.freq.io
goingdark.social
racoon.social
soc.intxiv.io
plusi.moe
tranvender.site
burnout.cafe
social.khaus.io
social.media-techport.de
jasdemi.com
kupione.click
mastodon.adtension.com
mastodon.maescool.be
cosplaytweet.com
troete.rechenkugel.de
masto.uc-netcorsoft.de
firefish.nospy.net
mstdn.jklmno.org
mastodon.thecrimsontint.com
social.k1024.de
mastodon.naugrim.org
sharkey.coffeeandtrains.de
fedi.abmgrt.dev
mastodon.alphapuggle.dev
social.kyzune.com
social.sebastian-neu.de
mastodon.darkness.services
social.xnet.place
social.autonomy.earth
social.peregrinor.net
mastdn.io
social.redflag.ps
mastodon.koch-server.de
masto2.100flowers.tech
social.blazma.st
mastodon.flups.familyds.org
mastodon.moestel.eu
fedineko.org
nautical.social
mastodon.deepspace.cafe
mastodon.1up2down.social
technikpunk.net
tacheles.social
frawas.de
miltodon.social
afterspace.rocks
mastodon.pixadon.ch
fedi.smith.geek.nz
ruz.social
mastodonian.org
unseen-university.social
techtett.de
eva.cosplaytweet.com
dorm.social
mastodon.cemunz.de
eva00.cosplaytweet.com
nochiiverse.eu
kitty.community
mstdn.fan
toot.redundantnoise.eu
social.techniverse.net
byzantinenexus.io
ottweiler.social
mastodon.projetretro.io
disobey.net
social.noriakisana.dev
f.dresden.network
mastodon.dnns.icu
social.rsl.gg
gnurfl.de
m.lonet.org
masto.baranovski.cloud
mastodon.jamidisi-edu.de
key.by0.tech
mastodon.mariustimmer.de
mastodon.blocki.net
hi.fabis.cafe
md.jott-emm.social
mstdn.fun.systems
mast.lukeog.com
mstdn.canarylabs.eu
m.azis.pt
bayerwald.social
social.vermona.com
fedi.timka.win
onlinegemein.de
schraepler.de
dark.morbia.org
ramblings.social
ferals-on.top
waifus.biz
social.eldshort.de
pl.ametic.ovh
yakup.karaman.app
elektrine.ngrok.app
fedi.kooosh.de
social.elstabloserver.de
glegle.party
fediblock.24-7.ro
www.paperbunny.asia
soc.femme.cat
ebadf.port0.org
pleroma.gruenelin.de
snac.wheelsbot.dev
social.vengeful.eu
station.y-space.de
social.retroedge.tech
fedi.bryie.com
channermemes.baselinux.net
social.kyzune.com
pleroma.7seven.cloud
akkoma.alster.space
reactionarytenderqueer.minecraftnoob.com
declin.eu
social.otsuka.haus
social.mdosch.de
clew.lol
soc.cluboftone.com
fedi.u2p.net
clew.live
fediblock.lol