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Data as of Nov 8, 2026

133.237.128.0/17

No anonymizer space · no proxy exits in 30 days

Rakuten Group, Inc. · space held by Japan Network Information Center

Announcement
this exact prefix
No RPKI
Announced by
AS23820
Type
Hosting

Announcements

Less specific

Covering announcements

PrefixOriginTypeProxy exitsHolderRPKI
133.237.0.0/16
since Apr 2013
AS23820Business1Japan Network Information Center
More specific

Announcements inside

PrefixOriginTypeHolderRPKI
133.237.248.0/24
since Nov 2022
AS23820BusinessJapan Network Information Center

Registrations in this block

The registry's network records over the announcement: those covering it, widest first, then every record inside it, under its parent.

RangeAddressesNetnameHolderTypeCreatedAbuse contact
133.0.0.0/816,777,216JPNIC-NET-JP-ERXJapan Network Information CenterALLOCATED PORTABLE—hostmaster@nic.ad.jp

Network & registry

AnnouncementRouting historyRPKI & IRRWhois & abuse
IPv4 market

Holder

Holder in the market →
Organization
Japan Network Information Center
Range
133.0.0.0/8
Registration type
ALLOCATED PORTABLE
Origin network

AS23820

JP
Name
Rakuten Group, Inc.
Type
Business
Registered
Jun 16, 2003
Domain
rakuten.co.jp
Website
global.rakuten.com/corp/
Spamhaus ASN-DROP
not listed