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Data as of Nov 7, 2026

203.227.0.0/16

5,888 anonymizer addresses · 9.0% · ISP proxy13 residential-proxy exits · 30 days

Sejong Networks

Announcement
this exact prefix
No RPKI
Announced by
AS9848
Type
Internet provider
78% of it

Residential-proxy exits

Proxy exits
13
0.02% of its addresses · 30 days
Spread
11 of 256
/24s with at least one exit
Providers
22
selling exits here
Oct 8, 2026 – Nov 6, 2026

Exits seen per day

528 observations
  • ISP proxy · anonymizer
  • Residential
  • Internet provider

/24s with the most always-on exits

/24Always-on exitsProxy exits
203.227.188.0/2402
203.227.191.0/2402
203.227.45.0/2401
203.227.56.0/2401
203.227.60.0/2401
203.227.62.0/2401
203.227.63.0/2401
203.227.131.0/2401
203.227.181.0/2401
203.227.186.0/2401
203.227.206.0/2401

Proxy providers listing exits

  • ByteProxies
  • Byteful
  • DataImpulse
  • Evomi
  • FloppyData
  • GSocks
  • GeekProxy
  • Infatica
  • InfiniteProxies
  • MangoProxy
  • NodeProxy
  • NovaProxy
  • PSBProxy
  • PrivateByte
  • Proxmint
  • Proxy-Seller
  • Proxy4U
  • ProxyRack
  • RH7Proxy
  • Shifter
  • VantageProxies
  • VitalExclusive
IPv4 market

Path

1 · Holder
Sejong Networks
2 · Leased from
Sejong Networks
its owner, directly
3 · Announced by
AS9848 Sejong Networks
since May 2005 · 21.5 yr ago
4 · Use
Proxy providersnamed Novada, LumiProxy, SkyQuantum
Internet provider

Operators, sellers and brokers

Proxy providers

NameParentIn 203.227.0.0/16/24sRole
Novada
4,0966.3%
16
Sells it
LumiProxy
1,0241.6%
4
Sells it
SkyQuantum
7681.2%
3
Runs it
Runs itSells it
Leased from

Owners leasing their own space

NameIn 203.227.0.0/16/24s
Sejong Networks
5120.78%
2

Lineage

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

203.227.0.0/16

From the registry to its use

  1. Dec 23, 2001
    Route object
    AS9703 Shinhan Bank
    RADB route object for AS9703 Shinhan Bank, maintainer MAINT-AS3786
    203.227.164.0/22
  2. May 9, 2005– today
    Announced
    AS9848 Sejong Networks
    Internet provider
  3. Jul 28, 2005
    Route object
    AS9848 Sejong Networks
    RADB route object for AS9848 Sejong Networks, maintainer MAINT-AS3786
    203.227.199.0/24
  4. Aug 19, 2005
    Route object
    AS9848 Sejong Networks
    REACH route object for AS9848 Sejong Networks, maintainer MAINT-REACH-NOC
  5. Aug 19, 2005
    Route object
    AS9848 Sejong Networks
    REACH route object for AS9848 Sejong Networks, maintainer MAINT-REACH-NOC
    203.227.84.0/24
  6. Aug 19, 2005
    Route object
    AS9848 Sejong Networks
    REACH route object for AS9848 Sejong Networks, maintainer MAINT-REACH-NOC
    203.227.200.0/23
  7. Aug 19, 2005
    Route object
    AS9848 Sejong Networks
    REACH route object for AS9848 Sejong Networks, maintainer MAINT-REACH-NOC
    203.227.254.0/24
  8. May 4, 2008
    Route object
    AS38092
    NTTCOM route object for AS38092, maintainer MAINT-HANARO
    203.227.82.0/24
  9. Jun 14, 2008
    Route object
    AS9319 HCN Chungbuk Cable TV Systems
    RADB route object for AS9319 HCN Chungbuk Cable TV Systems, maintainer MAINT-AS4670
    203.227.118.0/23
  10. Jun 14, 2008
    Route object
    AS9319 HCN Chungbuk Cable TV Systems
    RADB route object for AS9319 HCN Chungbuk Cable TV Systems, maintainer MAINT-AS4670
    203.227.120.0/21
  11. Dec 15, 2008
    Route object
    AS9319 HCN Chungbuk Cable TV Systems
    RADB route object for AS9319 HCN Chungbuk Cable TV Systems, maintainer MAINT-AS4670
    203.227.117.0/24
  12. Dec 15, 2008
    Route object
    AS9319 HCN Chungbuk Cable TV Systems
    RADB route object for AS9319 HCN Chungbuk Cable TV Systems, maintainer MAINT-AS4670
    203.227.161.0/24
  13. Dec 15, 2008
    Route object
    AS9319 HCN Chungbuk Cable TV Systems
    RADB route object for AS9319 HCN Chungbuk Cable TV Systems, maintainer MAINT-AS4670
    203.227.162.0/24
  14. Jan 28, 2010
    Route object
    AS9848 Sejong Networks
    RADB route object for AS9848 Sejong Networks, maintainer MAINT-AS3786
    203.227.20.0/24
  15. Feb 1, 2010
    Route object
    AS9961 KoreaFederationOfSavingsBanks
    RADB route object for AS9961 KoreaFederationOfSavingsBanks, maintainer MAINT-AS4637
    203.227.84.0/24
  16. Feb 1, 2010
    Route object
    AS9961 KoreaFederationOfSavingsBanks
    RADB route object for AS9961 KoreaFederationOfSavingsBanks, maintainer MAINT-AS4637
    203.227.254.0/24
  17. Feb 3, 2011
    Route object
    AS38092
    RADB route object for AS38092, maintainer MAINT-AS4766
    203.227.82.0/24
  18. Feb 3, 2011
    Route object
    AS23584 Pusan Cable TV System Co., Ltd.
    RADB route object for AS23584 Pusan Cable TV System Co., Ltd., maintainer MAINT-AS4766
    203.227.208.0/20
  19. Feb 3, 2011
    Route object
    AS23584 Pusan Cable TV System Co., Ltd.
    RADB route object for AS23584 Pusan Cable TV System Co., Ltd., maintainer MAINT-AS4766
    203.227.208.0/22
  20. Feb 3, 2011
    Route object
    AS23584 Pusan Cable TV System Co., Ltd.
    RADB route object for AS23584 Pusan Cable TV System Co., Ltd., maintainer MAINT-AS4766
    203.227.220.0/22
  21. Feb 15, 2017
    Route object
    AS9319 HCN Chungbuk Cable TV Systems
    RADB route object for AS9319 HCN Chungbuk Cable TV Systems, maintainer MAINT-AS9318
    203.227.114.0/24
  22. Feb 15, 2017
    Route object
    AS9319 HCN Chungbuk Cable TV Systems
    RADB route object for AS9319 HCN Chungbuk Cable TV Systems, maintainer MAINT-AS9318
    203.227.115.0/24
  23. Feb 15, 2017
    Route object
    AS9319 HCN Chungbuk Cable TV Systems
    RADB route object for AS9319 HCN Chungbuk Cable TV Systems, maintainer MAINT-AS9318
    203.227.116.0/23
  24. Feb 15, 2017
    Route object
    AS9319 HCN Chungbuk Cable TV Systems
    RADB route object for AS9319 HCN Chungbuk Cable TV Systems, maintainer MAINT-AS9318
    203.227.138.0/24
  25. Feb 15, 2017
    Route object
    AS9319 HCN Chungbuk Cable TV Systems
    RADB route object for AS9319 HCN Chungbuk Cable TV Systems, maintainer MAINT-AS9318
    203.227.139.0/24
  26. Feb 15, 2017
    Route object
    AS9319 HCN Chungbuk Cable TV Systems
    RADB route object for AS9319 HCN Chungbuk Cable TV Systems, maintainer MAINT-AS9318
    203.227.140.0/24
  27. Feb 15, 2017
    Route object
    AS9319 HCN Chungbuk Cable TV Systems
    RADB route object for AS9319 HCN Chungbuk Cable TV Systems, maintainer MAINT-AS9318
    203.227.141.0/24
  28. Feb 15, 2017
    Route object
    AS9319 HCN Chungbuk Cable TV Systems
    RADB route object for AS9319 HCN Chungbuk Cable TV Systems, maintainer MAINT-AS9318
    203.227.160.0/23
  29. Feb 15, 2017
    Route object
    AS9319 HCN Chungbuk Cable TV Systems
    RADB route object for AS9319 HCN Chungbuk Cable TV Systems, maintainer MAINT-AS9318
    203.227.163.0/24
  30. today
    Registry record
    Sejong Networks
    ALLOCATED PORTABLE
    203.227.0.0/16
  31. today
    Route object
    AS9848 Sejong Networks
    RADB route object for AS9848 Sejong Networks, maintainer MAINT-AS4766
  32. today
    Used
    Novada
    Proxy seller
  33. today
    Used
    LumiProxy
    Proxy seller
  34. today
    Used
    SkyQuantum
    Proxy seller

Announcements

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
PrefixOriginTypeAnonymizer addressesOperatorProxy exitsHolderRPKI
203.227.8.0/24
since Feb 2010
AS18300BusinessSejong Networks
203.227.9.0/24
since Feb 2010
AS18300BusinessSejong Networks
203.227.10.0/24
since Feb 2010
AS18300BusinessSejong Networks
203.227.11.0/24
since Feb 2010
AS18300BusinessSejong Networks
203.227.19.0/24
since May 2005
AS9493BusinessSejong Networks
203.227.31.0/24
since Nov 2023
AS38676HostingSejong Networks
203.227.32.0/19
since Dec 2024
AS9848Internet provider1,53619%ISP proxyProxy providersoperated by SkyQuantumsold by LumiProxy5Sejong Networks
203.227.32.0/24
since Nov 2023
AS38676HostingSejong Networks
203.227.33.0/24
since Nov 2023
AS38676HostingSejong Networks
203.227.34.0/24
since Nov 2023
AS38676HostingSejong Networks
203.227.35.0/24
since Nov 2023
AS38676HostingSejong Networks
203.227.39.0/24
since Sep 28, 2026
AS9848Internet providerSejong Networks
203.227.40.0/24
since Oct 21, 2026
AS152179ISP proxySejong Networks
203.227.48.0/24
since Sep 28, 2026
AS9848Internet providerSejong Networks
203.227.62.0/24
since Sep 28, 2026
AS9848Internet provider1Sejong Networks
203.227.88.0/22
since Jun 2023
AS9973UnknownSejong Networks
203.227.116.0/24
since Jun 2023
AS9319ResidentialSejong Networks
203.227.123.0/24
since Jun 2023
AS9319ResidentialSejong Networks
203.227.160.0/24
since Oct 2021
AS9319ResidentialSejong Networks
203.227.176.0/20
since Dec 2024
AS9848ISP proxy3,32881%Proxy providerssold by Novada, LumiProxy6Sejong Networks
203.227.186.0/24
since Sep 2026
AS9848ISP proxyProxy providerssold by Novada1Sejong Networks
203.227.187.0/24
since Oct 22, 2026
AS152179ISP proxyProxy providerssold by NovadaSejong Networks
203.227.189.0/24
since Sep 28, 2026
AS9848ISP proxyProxy providerssold by NovadaSejong Networks
203.227.202.0/23
since Jul 2009
AS23584ResidentialSejong Networks
203.227.204.0/22
since Oct 2008
AS23584Residential1Sejong Networks
203.227.212.0/22
since Jul 2010
AS23584ResidentialSejong Networks
203.227.216.0/22
since Jul 2010
AS23584ResidentialSejong Networks
203.227.224.0/23
since Jul 2009
AS23584ResidentialSejong Networks
203.227.232.0/24
since May 2005
AS17592BusinessSejong Networks

Composition

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

Announced space

Address share

Announced space

Types across the prefix

65,536 addresses
TypeAddressesShareRanges
Internet provider50,94478%22
ISP proxyanonymizer5,8889.0%18
Residential4,8647.4%8
Business1,5362.3%6
Hosting1,2802.0%5
Unknown1,0241.6%1

Network & registry

AnnouncementRouting historyRPKI & IRRWhois & 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