Data as of Nov 6, 2026
Autonomous system

AS16534

Cboe

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

Type
Business
US

Announced prefixes

Arrived
PrefixTypeHolderRPKI
38.133.138.0/24
since Mar 2016
BusinessCogent Communications, LLC
64.124.177.0/24
since Feb 2016
BusinessZayo Bandwidth

Network & history

Routing patterns

How its announcements have moved

Arrivals

Year each prefix's current origin began announcing it