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Data as of Nov 6, 2026

133.88.22.0/23

No anonymizer space · no proxy exits in 30 days

Suzuyo Shinwart Corporation · space held by Japan Network Information Center

Announcement
this exact prefix
RPKI valid
Announced by
AS131969
Type
Hosting
Risk
50 / 100 · Medium

Announcements

Less specific

Covering announcements

PrefixOriginTypeHolderRPKI
133.88.20.0/22
since Aug 2020
AS131969HostingJapan 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

AS131969

JP
Name
Suzuyo Shinwart Corporation
Type
Hosting
Registered
Aug 4, 2011
Domain
shinwart.co.jp
Website
www.shinwart.co.jp
Spamhaus ASN-DROP
not listed