Websites utilizing Origin-Agent-Cluster header

List of 196,691 websites that use Origin-Agent-Cluster header.
DomainCountryRankContacts
www.facebook.com United States2
www.instagram.com United States9
www.messenger.com United States12
www.workplace.com United States15
m.facebook.com United States16
www.cloudflare.com United States27
api.whatsapp.com United States59
connect.facebook.net United States106
developers.facebook.com United States158
wa.me United States167
networksolutions.com United States174
de-de.facebook.com United States223
fb.workplace.com United States230
bluehost.com United States251
www.bluehost.com United States251
www.deviantart.com United States252
www.internalfb.com United States300
work.workplace.com United States364
web.facebook.com United States374
en-gb.facebook.com United States378

Download a list in CVS format