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Data as of Nov 9, 2026

203.251.192.0/19

No anonymizer space · no proxy exits in 30 days

Shinbiro · space held by Sejong Networks

Announcement
this exact prefix
No RPKI
Announced by
AS4670
Type
Residential
69% of it

Announcements

Less specific

Covering announcements

PrefixOriginTypeProxy exitsHolderRPKI
203.251.192.0/18
since May 2005
AS4670Residential1Sejong Networks
Nesting

More-specifics by size

Sized by addresses, colored by each announcement's type. Click a tile with children to zoom in, a leaf to open it.
More specific

Announcements inside

PrefixOriginTypeHolderRPKI
203.251.192.0/24
since Feb 2008
AS9980BusinessSejong Networks
203.251.193.0/24
since Feb 2008
AS9980BusinessSejong Networks
203.251.194.0/24
since Feb 2008
AS9980BusinessSejong Networks
203.251.195.0/24
since Feb 2008
AS9980BusinessSejong Networks
203.251.196.0/24
since Feb 2008
AS9980BusinessSejong Networks
203.251.197.0/24
since Feb 2008
AS9980BusinessSejong Networks
203.251.201.0/24
since Jul 2022
AS4670ResidentialSejong Networks
203.251.202.0/24
since Jun 2020
AS4670ResidentialSejong Networks
203.251.203.0/24
since Feb 2008
AS9980BusinessSejong Networks
203.251.205.0/24
since Jul 2020
AS4670ResidentialSejong Networks
203.251.207.0/24
since Mar 2011
AS7562ResidentialSejong Networks
203.251.210.0/24
since Jul 2010
AS9980BusinessSejong Networks
203.251.216.0/23
since Feb 2018
AS4664UnknownSejong Networks

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
Residential5,63269%10
Business2,04825%8
Unknown5126.3%1

Network & registry

AnnouncementRouting historyRPKI & IRRWhois & abuse
Origin network

AS4670

KR
Name
Shinbiro
Type
Internet provider
Registered
Jun 16, 1995
Domain
shinbiro.com
Industry
Internet Service Provider (ISP)
Spamhaus ASN-DROP
not listed