Data as of Nov 6, 2026

203.240.192.0/19

No anonymizer space · no proxy exits in 30 days

Shinbiro · space held by Sejong Networks

Announcement
this exact prefix
No RPKI
Announced by
Type
Residential
97% of it

Announcements

Less specific

Covering announcements

PrefixOriginTypeHolderRPKI
203.240.192.0/18
since May 2005
AS4670ResidentialSejong 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

Arrived
PrefixOriginTypeHolderRPKI
203.240.193.0/24
since Jul 2022
AS4670ResidentialSejong Networks
203.240.194.0/24
since Jan 2024
AS9848Internet providerSejong Networks
203.240.208.0/24
since Jul 2021
AS4670ResidentialSejong Networks
203.240.209.0/24
since Jul 2021
AS4670ResidentialSejong Networks
203.240.210.0/24
since Jul 2021
AS4670ResidentialSejong Networks
203.240.212.0/24
since Jul 2021
AS4670ResidentialSejong Networks
203.240.213.0/24
since Jul 2021
AS4670ResidentialSejong Networks
203.240.214.0/24
since Jul 2021
AS4670ResidentialSejong Networks
203.240.215.0/24
since Jul 2021
AS4670ResidentialSejong Networks
203.240.216.0/24
since Jul 2021
AS4670ResidentialSejong Networks
203.240.217.0/24
since Jul 2021
AS4670ResidentialSejong Networks
203.240.218.0/24
since Jul 2021
AS4670ResidentialSejong Networks
203.240.219.0/24
since Jul 2021
AS4670ResidentialSejong Networks
203.240.220.0/24
since Jul 2021
AS4670ResidentialSejong Networks
203.240.221.0/24
since Jul 2021
AS4670ResidentialSejong Networks
203.240.222.0/24
since Jul 2021
AS4670ResidentialSejong 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
Residential7,93697%19
Internet provider2563.1%1

Network & registry

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