LAYER3 INTEL
Get started
Sign in
Data as of Nov 8, 2026

211.255.244.0/24

Anonymizer · ISP proxy

Sejong Networks

Announcement
this exact prefix
No RPKI
Announced by
AS9848
Type
ISP proxy
Risk
90 / 100 · Critical
Recent change
New origin Oct 22, 2026
from AS9848 Sejong Networks
IPv4 market

Path

Announced by AS9848 since Oct 22, 2026 · 2 wk ago
1 · Holder
Sejong Networks
2 · Leased from
not leased
3 · Announced by
AS9848 Sejong Networks
since Oct 22, 2026 · 2 wk ago
4 · Use
Proxy providersnamed Novada
ISP proxy

Operators, sellers and brokers

Proxy providers

NameParentIn 211.255.244.0/24/24s
Novada
256100%
1

Lineage

How this block came to its use, oldest first. The whole IPv4 market →

211.255.244.0/24

From the registry to its use

  1. Aug 4, 2025– today
    Announced
    AS9848 Sejong Networks
    as part of 211.255.240.0/21
    211.255.240.0/21
  2. Aug 4, 2025– Nov 7, 2025
    Announced
    AS9848 Sejong Networks
    Internet provider
  3. Oct 22, 2026– today
    Announced
    AS9848 Sejong Networks
    Internet provider
  4. today
    Registry record
    Sejong Networks
    ALLOCATED PORTABLE
    211.255.224.0/19
  5. today
    Used
    Novada
    Proxy seller

Announcements

Less specific

Covering announcements

PrefixOriginTypeAnonymizer addressesOperatorHolderRPKI
211.255.240.0/21
since Aug 2025
AS9848ISP proxy1,79288%Proxy providerssold by NovadaSejong Networks
211.255.240.0/20
since May 2005
AS9848Internet providerSejong Networks

Network & registry

AnnouncementRouting historyWhois & abuse
Origin network

AS9848

KR
Name
Sejong Networks
Type
Internet provider
Registered
Feb 4, 2000
Domain
sejongnetworks.com
Website
en.sejongnetworks.com/
Industry
Internet Service Provider (ISP)
Spamhaus ASN-DROP
not listed