Data as of Nov 10, 2026
Autonomous system

AS18139

Hitachi Solutions, Ltd.

Announces 1,536 addresses in 6 prefixes. None of it is anonymizer space.

Type
Business
JP

Announced prefixes

Arrived
PrefixTypeHolderRPKI
133.108.42.0/24
since Mar 2010
BusinessJapan Network Information Center
133.108.43.0/24
since Jun 2011
BusinessJapan Network Information Center
133.108.58.0/24
since Nov 2009
BusinessJapan Network Information Center
133.108.61.0/24
since Nov 2009
BusinessJapan Network Information Center
133.108.63.0/24
since Nov 2009
BusinessJapan Network Information Center
219.109.5.0/24
since Jun 2011
BusinessJapan Network Information Center

Network & history

Routing patterns

How its announcements have moved

Arrivals

Year each prefix's current origin began announcing it