Data as of Nov 10, 2026

210.166.0.0/19

No anonymizer space · no proxy exits in 30 days

Hokuden Information System Service Co.,Ltd. · space held by Japan Network Information Center

Announcement
this exact prefix
RPKI valid
Announced by
Type
Residential
97% of it

Announcements

More specific

Announcements inside

PrefixOriginTypeHolderRPKI
210.166.0.0/20
since May 2005
AS7672ResidentialJapan Network Information Center
210.166.5.0/24
since May 2006
AS7668Internet providerJapan Network Information Center
210.166.16.0/20
since May 2005
AS7672ResidentialJapan Network Information Center

Composition

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

Announced space

Address share

Announced space

Types across the prefix

8,192 addresses
TypeAddressesShareRanges
Residential7,93697%3
Internet provider2563.1%1

Network & registry

Routing timeline

Who has announced this prefix

Summary

Routing history

Pattern
Stable
First seen
May 2005
Current origin since
May 2005 · 22 yr
Origin networks
1