Data as of Nov 11, 2026

203.148.136.0/21

No anonymizer space · no proxy exits in 30 days

A-Net Co., Ltd.

Announcement
No RPKI
Announced by
Type
Internet provider
75% of it

Announcements

More specific

Announcements inside

PrefixOriginTypeHolderRPKI
203.148.141.0/24
since May 2005
AS24040Internet providerANET Co., Ltd.
203.148.142.0/23
since May 2014
AS133167BusinessANET Co., Ltd.

Composition

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

Announced space

Address share

Announced space

Types across the prefix

2,048 addresses
TypeAddressesShareRanges
Internet provider1,53675%2
Business51225%1

Network & registry

Routing timeline

Who has announced 203.148.128.0/20

203.148.128.0/20

Routing history

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