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Data as of Nov 9, 2026

61.251.176.0/20

768 anonymizer addresses · 19%

flexnetworks · space held by ILINKKOREA

Announcement
this exact prefix
No RPKI
Announced by
AS38676
Type
Hosting
81% of it
IPv4 market

Path

1 · Holder
ILINKKOREA
2 · Leased from
ILINKKOREA, Eleven Holdings
its owner, directly
3 · Announced by
AS38676 flexnetworks
since Nov 2014 · 12.0 yr ago
4 · Use
Proxy providersnamed SkyQuantum
Hosting

Operators, sellers and brokers

Proxy providers

NameParentIn 61.251.176.0/20/24s
SkyQuantum
2566.3%
1
Leased from

Owners leasing their own space

NameIn 61.251.176.0/20/24s
ILINKKOREA
76819%
3
Eleven Holdings
2566.3%
1

Lineage

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

61.251.176.0/20

From the registry to its use

  1. Mar 25, 2005
    Route object
    AS10068 ILINKKOREA
    NTTCOM route object for AS10068 ILINKKOREA, maintainer MAINT-SKNETWORKS
  2. May 9, 2005– Jul 22, 2012
    Announced
    AS10068 ILINKKOREA
  3. Apr 28, 2006
    Route object
    AS9318 SK Broadband Co Ltd
    REACH route object for AS9318 SK Broadband Co Ltd, maintainer MAINT-REACH-NOC
  4. Feb 1, 2010
    Route object
    AS10068 ILINKKOREA
    RADB route object for AS10068 ILINKKOREA, maintainer MAINT-AS4637
  5. Dec 31, 2010
    Route object
    AS10068 ILINKKOREA
    NTTCOM route object for AS10068 ILINKKOREA, maintainer MAINT-HANARO
    61.251.178.0/24
  6. Dec 31, 2010
    Route object
    AS10068 ILINKKOREA
    NTTCOM route object for AS10068 ILINKKOREA, maintainer MAINT-HANARO
    61.251.185.0/24
  7. Jun 28, 2012
    Route object
    AS10068 ILINKKOREA
    RADB route object for AS10068 ILINKKOREA, maintainer MAINT-AS9318
    61.251.177.0/24
  8. Jun 28, 2012
    Route object
    AS10068 ILINKKOREA
    RADB route object for AS10068 ILINKKOREA, maintainer MAINT-AS9318
    61.251.178.0/24
  9. Jun 28, 2012
    Route object
    AS10068 ILINKKOREA
    RADB route object for AS10068 ILINKKOREA, maintainer MAINT-AS9318
    61.251.185.0/24
  10. Nov 10, 2014
    Route object
    AS38676 flexnetworks
    RADB route object for AS38676 flexnetworks, maintainer MAINT-AS9318
  11. Nov 15, 2014– today
    Announced
    AS38676 flexnetworks
    Hosting
  12. Apr 2, 2025
    Route object
    AS216425 TEFEXIA Co., Ltd.
    RADB route object for AS216425 TEFEXIA Co., Ltd., maintainer MAINT-AS9957
  13. today
    Registry record
    ILINKKOREA
    ALLOCATED PORTABLE
    61.251.176.0/20
  14. today
    Route object
    AS151349 Yuki Network Ltd
    APNIC route object for AS151349 Yuki Network Ltd, maintainer MNT-KRNIC-AP
    61.251.181.0/24
  15. today
    Route object
    AS151349 Yuki Network Ltd
    APNIC route object for AS151349 Yuki Network Ltd, maintainer MNT-KRNIC-AP
    61.251.183.0/24
  16. today
    Route object
    AS216425 TEFEXIA Co., Ltd.
    APNIC route object for AS216425 TEFEXIA Co., Ltd., maintainer MNT-KRNIC-AP
    61.251.186.0/24
  17. today
    Used
    SkyQuantum
    Proxy seller

Announcements

More specific

Announcements inside

PrefixOriginTypeOperatorLeased fromHolderRPKI
61.251.182.0/24
since Sep 2025
AS202736Datacenter proxyILINKKOREA
61.251.184.0/24
since Sep 2026
AS216138ISP proxyProxy providersoperated by SkyQuantumILINKKOREA
61.251.188.0/24
since Sep 2025
AS4766ISP proxyLessor Eleven HoldingsILINKKOREA

Composition

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

Announced space

Address share

Announced space

Types across the prefix

4,096 addresses
TypeAddressesShareRanges
Hosting3,32881%4
ISP proxyanonymizer51213%2
Datacenter proxyanonymizer2566.3%1

Network & registry

AnnouncementRouting historyRPKI & IRRWhois & abuse
Origin network

AS38676

KR
Name
flexnetworks
Type
Hosting
Registered
Aug 24, 2007
Domain
flexnetworks.co.kr
Industry
Computer and Information Technology
Spamhaus ASN-DROP
not listed