The hosts file entries to block Spotify audio ad servers.

spotihosts

adclick.g.doublecklick.net
adeventtracker.spotify.com
adlab.spotify.com
adnxs.com
adnxs.comadplexmedia.adk2x.com
ads.pubmatic.com
ads.spotify.com
ads-akp.spotify.com
adserver.adtechus.com
ads-fa.spotify.com
ads-sp-lon.cdn.spotify.com
ads-west-colo.adsymptotic.com
analytics.spotify.com
anycast.pixel.adsafeprotected.com
assets.spotify.com
audio2.spotify.com
audio-ak.spotify.com
audio-akp.spotify.com
audio-cf.spotify.com
audio-ec.spotify.com
audio-fa.scdn.co

#donotblockwhileusingchromecast
audio-fa.spotify.com
audio-fab.spotify.com
audio-fac-spotify.com
audio-gc.scdn.co
audio-gc.spotify.com
audio-sp-lon.spotify.com
audio-sp-sto.spotify.com
b.scorecardresearch.com
beta.spotify.map.fastly.net
bid.g.doubleclick.net
bounceexchange.com
bs.serving-sys.com
cm.g.doubleclick.net
content.bitsontherun.com
core.insightexpressai.com
crashdump.ciqe-gslb.spotify.com
crashdump.spotify.com
cs126.wpc.edgecastcdn.net
cs126.wpc.teliasoneracdn.net
cs283.wpc.teliasoneracdn.net
d2gi7ultltnc2u.cloudfront.net
d361oi6ppvq2ym.cloudfront.net
d3rt1990lpmkn.cloudfront.net
doubleclick.net
ds.serving-sys.com
dt.adsafeprotected.com
fw.adsafeprotected.com
gads.pubmatic.com
geo3.ggpht.com
gew1.ap.spotify.com
googleadapis.l.google.com
googleads.g.doubleclick.net
googleads4.g.doubleclick.net
googleadservices.com
googlehosted.l.googleusercontent.com
googletagservices.com
gtssl2-ocsp.geotrust.com
heads-ak.spotify.com
heads-akp.spotify.com
heads-cf.spotify.com
heads-ec.spotify.com
heads-fa.scdn.co
heads-fa.spotify.com
heads-fab.spotify.com
heads-fac.spotify.com
idsync-ext.rlcdn.com
js.moatads.com
links.spotify.com
log.spotify.com
log2.spotify.com
lon6-accesspoint-a33.lon6.spotify.com
media-match.com
mp3ad.scdn.co
na.gmtdmp.com
omaze.com
pagead.l.doubleclick.net
pagead2.googlesyndication.com
pagead46.l.doubleclick.net
pagead-googlehosted.l.google.com
partner.googleadservices.com
partnerad.l.doubleclick.net
partner-service.spotify.com
partner-service-testing.spotify.com
payment-callback.spotify.com
pci.spotify.com
pixel.spotify.com
prod.spotify.map.fastlylb.net
prod.spotify-heads.map.fastlylb.net
pubads.g.doubleclick.net
redirector.gvt1.com
s0.2mdn.net
secure.insightexpressai.com
securepubads.g.doubleclick.net
seen-on-screen.thewhizmarketing.com
server-54-230-216-203.mrs50.r.cloudfront.net
showads33000.pubmatic.com
spotify-desktop.com
sto3.spotify.com
sto3-accesspoint-a88.sto3.spotify.net
sync.adaptv.advertising.com
techattend.com
tpc.googlesyndication.com
u.scdn.co
upgrade.scdn.co
upgrade.scdn.co

#optional
upgrade.spotify.com
upgrade.spotify.com

#optional
v.jwpcdn.com
video-ad-stats.googlesyndication.com
video-fa.cdn.spotify.com
video-fa.scdn.co
video-fa-b.cdn.spotify.com
weblb-wg.gslb.spotify.com
www.audio2.spotify.com
www.googleadservices.com
www.googletagservices.com
www.omaze.com