List of 363 registered instances:
zeebo.social
social.khaus.io
social.undeadnetwork.de
mastodon.joschlies.nohost.me
fedi.abmgrt.dev
social.anno79.de
social.schnitzler.one
brotkru.me
mastodon.fonsos.com
mastodon.malmoe.social
ruby.good.news
kitty.community
social.digital-artifacts.net
social.xnet.place
talk.balfolk.social
md.jott-emm.social
mastodon.naugrim.org
mastodon.phundrak.com
masto.baranovski.cloud
whatisthat.xyz
frawas.de
social.sp-codes.de
social.glisco.de
social-pflege.de
falkensee.social
masto2.100flowers.tech
burnout.cafe
connect.braydmedia.de
fedispace.de
m.flaem.ing
is-likely.gay
mastodon.wivodaim.net
mastodon.derg.nz
techtett.de
cosplaytweet.com
atergens.com
social-potsdam.space
toot.zerojay.com
mastodon.enitin.xyz
toot.brumm.family
firefish.crazy-to-bike.de
miltodon.social
social.sixdegreesofohio.com
sharkey.nospy.net
bb5.social
troet.burg-halle.de
mastodon.dnns.icu
mastodon.georgschilling.de
mastodon.forty-two.sh
franken.social
social.eubf.net
soc.cluboftone.com
mastdn.communisme-informel.zone
mastodon.zapfmeister.net
social.k1024.de
mastodon.digilol.net
mstdn.mv2k.com
vhs.social
mastodon.eble.name
frinx.online
masto.kurohana.me
observatory.cyber.harvard.edu
pfalz.social
knse.net
mastodon.1up2down.social
mastodon.qsv.ch
mastodon.mrak.at
vaughan.social
troet.witte-nyumbani.de
hi.fabis.cafe
mstdn.fun.systems
social.breisgaucave.de
ciechom.nohost.me
social.appbakery.ee
f.dresden.network
mastodon.wappler.systems
gnurfl.de
mstdn.dru5k1.io
social.flashz.directory
mastodon.gemo.social
mastodon.kug.is
fedi.timka.win
mastodon.floe.earth
mastodon.myocci.social
social.onlythe.net
sueden.social
mastodon.rzgierskopp.de
social.crablab.uk
mastodon.irridium.de
social.insider-it.de
social.k2pk.com
mastodon.helvetet.eu
mastodon.saarland.social
social.main-angler.de
misskey.eskimo.com
ratingen.social
kupione.click
mastodon.greilach.dev
mastopouet.fr
flipboard.social
genista.osrx.chat
mastodon.gaias.social
mastodon.wananavuoutfitters.com
ruz.social
yapmi.net
mastodon.jamidisi-edu.de
social.trackside.blog
eva.cosplaytweet.com
nochiiverse.eu
toot.wiai.de
social.peregrinor.net
astroposting.de
mastodon.trabus322.eu
troete.rechenkugel.de
fedi.bcna.de
mastodon.bayern
mastodon.ozioso.online
mastodon.calitabby.net
mas.x64.onl
strangeminds.social
social.marzillier.net
mastodon.terpotiz.net
apotheke.social
swedishmastodon.social
netzkae.se
social.michels.xyz
fastani.me
netcup.social
mast.internal.nullreference.io
social.stefanberger.net
social.klein.ruhr
social.zerojay.com
mastodon.kmu-angebote.ch
test.mastodon.makerforce.io
k2pk.com
status.pointless.one
dresden.network
mstdn.jmrp.io
partyparrot.social
mastodon.liersch.it
public.brothertec.eu
mastdn.coffeehack.org
fedi.social
mastodonian.org
opencoaster.net
social.wokurka.net
mastodon.gramschladen.de
social.adlerweb.info
mastodontech.de
sns.onjann.club
ottweiler.social
edafe.social
shout.3xd.eu
fursona.party
mast.marzillier.net
plusi.moe
toot.againstallodds.games
her-mann.de
social.sebastian-neu.de
social.blazma.st
misskey.dream-universe.org
justabit.social
masto.uc-netcorsoft.de
schraepler.de
sipstea.town
m.mirv.top
social.cooltux.net
fediverse.serialexperiments.club
mastodon.zypper.net
talk.mls20.de
fedineko.org
leipzig.town
brettspiel.space
buckaroo.city
sachsen-medien.social
upload.chat
mastodon.jonasled.de
notwork.in
plaudern.duckdns.org
social.noriakisana.dev
mastodon.blocki.net
mastodon.deepspace.cafe
social.pericles.hu
mastodon.1337.blue
hacks.fi
social.13-dx.de
social.macer.life
firefish.nospy.net
privacysafe.social
social.beachcom.org
social.amichan.de
mastodon.eskimo.com
mastdn.io
social.zentonic.org
mastodon-dev.stevex.online
social.rsl.gg
x.good.news
social.kalterwinter.info
mastodon.koch-server.de
birdbox.party
social.merk.ac
mastodon.moestel.eu
fed.interfree.ca
sidestore.social
mstdn.fan
mstdn.sekbaer.de
ramblings.social
unredacted.social
swissodon.ch
social.itwien.net
m.heine.xyz
mastodon.rh-social.org
social.misk.cf
blog.davidmckeitch.com
social.archworks.co
social.kyzune.com
mastodon.loss.com.de
mastodon.nordic.online
sharkey.coffeeandtrains.de
farticle.cloud
bremen.digital
mastodon.magnor.ovh
sozial.roter-kreis.de
inthedeltawaves.social
social.yussuv.com
mastodon.daponline.com
mastodon.jhcooke.com
mastodon.dsdrive.fr
thomasjpr.social
spreebits.de
mastodon.cyberreality.org
mstd.ink
soziale.cloud
mstdn.jklmno.org
social.ceod.net
mastodon.solvality.com
skyland.social
social.rrrr.wtf
ciechom.eu
shark.datenkastl.de
social.spicysources.de
homo.1919810.space
collins-corner.cc
liberareto.nesohub.org
mastodon.kaschemme701.com
fedi.latenightpopcorn.com
social.greatvoid.org
mastodon.mrtoto.de
burningboard.net
soc.c11um.de
social.asgardius.company
bayerwald.social
mastodon.une.fi
mastodon.alphapuggle.dev
mstdn.org
nautical.social
social.cybertalk.io
disobey.net
qicx.net
glitch.sekbaer.de
borg.social
mas.todon.de
mastodon.livingonlinenow.com
social.dvdr.download
schaumburg.social
mastodon.scientiam.org
social.media-techport.de
afterspace.rocks
m.deepspace.cafe
social.msaood.com
17th.me
racoon.social
mstdn.doern.tech
mastodon.mynet.one
mastodon.bruckner.email
firefish.fediverse.live
fediverse.live
mastodon.adtension.com
masto.versagt.wien
soc.intxiv.io
thohme.de
mastodon.olivernitsche.synology.me
privacyofficers.social
mastodon.maechler.cloud
friendica.collectifdhun.ovh
mastodon.nextcraft.link
sharkeyspace.de
social.la-scic.fr
mast.lukeog.com
club.dd5aa.de
mastodon.hausofhomeaux.ca
devellight.space
mooose.org
mastodon.pixadon.ch
fedihub.de
mastodon.hostnetwork.xyz
space.jeroenvd.nl
mast.flups.familyds.org
mastodon.deathbybandaid.net
eva00.cosplaytweet.com
social.techniverse.net
mastodon.thecrimsontint.com
mastodon.mariustimmer.de
troetmund.de
misskey.bootjp.me
social.vleij.com
masto.allerlei.it
guerrill.art
mastodon.greatvoid.org
mastodon.dsss.space
netzverpetzer.de
mastodon.itwichtel.de
social.beaware.live
tranvender.site
social.vermona.com
jasdemi.com
social.minecodes.de
mastodon.friendnet.eu
social.alpacaverse.games
fruef.social
noto.social
mastodon.rprivat.eu
mastodon.baderpetrick.de
otaku.1337.blue
mrrp.chimmie.k.vu
mstdn.business
social.iamernie.ca
mastodon.bstly.de
toot.houbahouba.de
social.eggipedia.de
firefish.nesohub.org
mastodon.kuenet.ch
mastodon.darkness.services
m.freq.io
social.rand0m.fail
maztodon.se
social.stezen.de
stay.woke.institute
m.ipoac.nl
penguicon.social
social.xyntion.consulting
catswords.social
fed.crimsh.com
mastodon.neatobuilds.com
flauschbar.thoshiswelt.de
mastodon.jabbxi.de
social.mdosch.de
social.otsuka.haus
fedi.u2p.net
pleroma.gruenelin.de
soc.cluboftone.com
declin.eu
station.y-space.de
fedi.kooosh.de
fedi.lowpassfilter.link
pleroma.7seven.cloud
social.elstabloserver.de
social.kyzune.com
akkoma.alster.space
glegle.party
waifus.biz
social.vengeful.eu
ferals-on.top