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Data as of Nov 3, 2026

210.131.0.0/17

No anonymizer space · no proxy exits in 30 days

Fujitsu Limited · space held by Japan Network Information Center

Announcement
this exact prefix
No RPKI
Announced by
AS2510
Type
Residential
88% of it

Announcements

More specific

Announcements inside

PrefixOriginTypeHolderRPKI
210.131.4.0/24
since Dec 2025
AS55386HostingJapan Network Information Center
210.131.5.0/24
since May 2025
AS55374HostingJapan Network Information Center
210.131.16.0/22
since Dec 2025
AS55386HostingJapan Network Information Center

Composition

The types across the prefix's announced space, by addresses.

Announced space

Address share

Announced space

Types across the prefix

32,768 addresses
TypeAddressesShareRanges
Residential28,92888%6
Mobile2,3047.0%9
Hosting1,5364.7%3

Network & registry

AnnouncementRouting historyRPKI & IRRWhois & abuse
Origin network

AS2510

JP
Name
Fujitsu Limited
Type
Internet provider
Registered
Apr 5, 2002
Domain
web.ad.jp
Industry
Internet Service Provider (ISP)
Spamhaus ASN-DROP
not listed