Data as of Nov 5, 2026
Autonomous system

AS7767

Encyclopaedia Britannica

Announces 512 addresses in 2 prefixes. None of it is anonymizer space.

Type
Business
US

Announced prefixes

Arrived
PrefixTypeHolderRPKI
64.124.231.0/24
since Nov 2009
BusinessZayo Bandwidth
208.185.238.0/24
since May 2022
BusinessZayo Bandwidth

Network & history

Routing patterns

How its announcements have moved

Arrivals

Year each prefix's current origin began announcing it