Data as of Nov 10, 2026
Autonomous system

AS63770

Industrial Cyber Security Center of Excellence

Announces 9,216 addresses in 9 prefixes. None of it is anonymizer space.

Type
Education
JP

Announced prefixes

Arrived
PrefixTypeHolderRPKI
103.95.184.0/22
since Jul 2017
Business
163.220.224.0/20
since Nov 2017
Business
163.220.240.0/22
since Apr 2020
Business
163.220.244.0/24
since Apr 2020
Business
163.220.245.0/24
since Apr 2020
Business
163.220.246.0/24
since Apr 2020
Business
163.220.247.0/24
since Apr 2020
Business
163.220.248.0/22
since Nov 2017
Business
219.100.92.0/22
since Aug 2017
BusinessJapan Network Information Center

Network & history

Routing patterns

How its announcements have moved

Arrivals

Year each prefix's current origin began announcing it