Data as of Nov 9, 2026
Autonomous system

AS59121

Asahi Kasei Networks Corporation

Announces 33,024 addresses in 3 prefixes. None of it is anonymizer space.

Type
Hosting
JP

Announced prefixes

Arrived
PrefixTypeHolderRPKI
138.212.0.0/17
since Jun 2016
Hosting
138.212.110.0/24
since Sep 2017
Hosting
202.11.64.0/24
since Jun 2016
HostingJapan Network Information Center

Network & history

Routing patterns

How its announcements have moved

Arrivals

Year each prefix's current origin began announcing it