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Data as of Nov 4, 2026

61.100.0.0/17

256 anonymizer addresses · 0.78% · Datacenter proxy6 residential-proxy exits · 30 days

Sejong Networks

Announcement
this exact prefix
No RPKI
Announced by
AS9848
Type
Internet provider
68% of it

Residential-proxy exits

Proxy exits
6
0.02% of its addresses · 30 days
Spread
3 of 128
/24s with at least one exit
Providers
3
selling exits here
Oct 5, 2026 – Nov 3, 2026

Exits seen per day

13 observations
  • Datacenter proxy · anonymizer
  • Hosting
  • Internet provider

/24s with the most always-on exits

/24Always-on exitsProxy exits
61.100.38.0/2404
61.100.26.0/2401
61.100.87.0/2401

Proxy providers listing exits

  • Ake.net
  • DataImpulse
  • Proxy4U
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
Internet provider

Operators, sellers and brokers

Proxy providers

NameParentIn 61.100.0.0/17/24s
Novada
2560.78%
1
Leased from

Owners leasing their own space

NameIn 61.100.0.0/17/24s
Sejong Networks
2560.78%
1

Lineage

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

61.100.0.0/17

From the registry to its use

  1. Jun 4, 2004
    Route object
    AS9318 SK Broadband Co Ltd
    REACH route object for AS9318 SK Broadband Co Ltd, maintainer MAINT-REACH-NOC
    61.100.33.0/24
  2. May 9, 2005– today
    Announced
    AS9848 Sejong Networks
    Internet provider
  3. Aug 19, 2005
    Route object
    AS9848 Sejong Networks
    REACH route object for AS9848 Sejong Networks, maintainer MAINT-REACH-NOC
  4. Jun 20, 2006
    Route object
    AS9318 SK Broadband Co Ltd
    NTTCOM route object for AS9318 SK Broadband Co Ltd, maintainer MAINT-AS9304
    61.100.90.0/23
  5. Jun 20, 2006
    Route object
    AS9318 SK Broadband Co Ltd
    NTTCOM route object for AS9318 SK Broadband Co Ltd, maintainer MAINT-AS9304
    61.100.92.0/22
  6. Jun 20, 2006
    Route object
    AS9318 SK Broadband Co Ltd
    NTTCOM route object for AS9318 SK Broadband Co Ltd, maintainer MAINT-AS9304
    61.100.110.0/24
  7. Jul 10, 2007
    Route object
    AS38101 Yulchon LLC
    RADB route object for AS38101 Yulchon LLC, maintainer MAINT-AS3786
    61.100.89.0/24
  8. Oct 25, 2007
    Route object
    AS9845 LG HelloVision Corp.
    RADB route object for AS9845 LG HelloVision Corp., maintainer MAINT-AS3786
    61.100.110.0/24
  9. May 4, 2008
    Route object
    AS38092
    NTTCOM route object for AS38092, maintainer MAINT-HANARO
    61.100.34.0/24
  10. May 4, 2008
    Route object
    AS38092
    NTTCOM route object for AS38092, maintainer MAINT-HANARO
    61.100.63.0/24
  11. May 4, 2008
    Route object
    AS9845 LG HelloVision Corp.
    NTTCOM route object for AS9845 LG HelloVision Corp., maintainer MAINT-HANARO
    61.100.124.0/22
  12. Sep 11, 2008
    Route object
    AS9697 LG HelloVision Corp.
    RADB route object for AS9697 LG HelloVision Corp., maintainer MAINT-AS3786
    61.100.90.0/23
  13. Sep 11, 2008
    Route object
    AS9697 LG HelloVision Corp.
    RADB route object for AS9697 LG HelloVision Corp., maintainer MAINT-AS3786
    61.100.92.0/22
  14. Sep 11, 2008
    Route object
    AS9697 LG HelloVision Corp.
    RADB route object for AS9697 LG HelloVision Corp., maintainer MAINT-AS3786
    61.100.124.0/22
  15. Feb 1, 2010
    Route object
    AS9848 Sejong Networks
    RADB route object for AS9848 Sejong Networks, maintainer MAINT-AS4637
  16. Feb 1, 2010
    Route object
    AS17833 NCOM ltd.
    RADB route object for AS17833 NCOM ltd., maintainer MAINT-AS4637
    61.100.33.0/24
  17. Feb 1, 2010
    Route object
    AS38092
    RADB route object for AS38092, maintainer MAINT-AS4637
    61.100.34.0/24
  18. Feb 1, 2010
    Route object
    AS23990 MigumCableNetwork
    RADB route object for AS23990 MigumCableNetwork, maintainer MAINT-AS4637
    61.100.35.0/24
  19. Feb 1, 2010
    Route object
    AS9527 VP
    RADB route object for AS9527 VP, maintainer MAINT-AS4637
    61.100.56.0/23
  20. Feb 1, 2010
    Route object
    AS38092
    RADB route object for AS38092, maintainer MAINT-AS4637
    61.100.63.0/24
  21. Feb 1, 2010
    Route object
    AS10037 EUGENE INVESTMENT FUTURES Co.,Ltd.
    RADB route object for AS10037 EUGENE INVESTMENT FUTURES Co.,Ltd., maintainer MAINT-AS4637
    61.100.64.0/22
  22. Feb 1, 2010
    Route object
    AS10037 EUGENE INVESTMENT FUTURES Co.,Ltd.
    RADB route object for AS10037 EUGENE INVESTMENT FUTURES Co.,Ltd., maintainer MAINT-AS4637
    61.100.68.0/24
  23. Feb 1, 2010
    Route object
    AS38101 Yulchon LLC
    RADB route object for AS38101 Yulchon LLC, maintainer MAINT-AS4637
    61.100.88.0/23
  24. Feb 1, 2010
    Route object
    AS9845 LG HelloVision Corp.
    RADB route object for AS9845 LG HelloVision Corp., maintainer MAINT-AS4637
    61.100.100.0/22
  25. Feb 1, 2010
    Route object
    AS9845 LG HelloVision Corp.
    RADB route object for AS9845 LG HelloVision Corp., maintainer MAINT-AS4637
    61.100.104.0/22
  26. Feb 1, 2010
    Route object
    AS9845 LG HelloVision Corp.
    RADB route object for AS9845 LG HelloVision Corp., maintainer MAINT-AS4637
    61.100.108.0/23
  27. Feb 1, 2010
    Route object
    AS9845 LG HelloVision Corp.
    RADB route object for AS9845 LG HelloVision Corp., maintainer MAINT-AS4637
    61.100.112.0/22
  28. Feb 1, 2010
    Route object
    AS9845 LG HelloVision Corp.
    RADB route object for AS9845 LG HelloVision Corp., maintainer MAINT-AS4637
    61.100.124.0/22
  29. Aug 3, 2010
    Route object
    AS38697 Hankyong National Univercity
    RADB route object for AS38697 Hankyong National Univercity, maintainer MAINT-AS4766
    61.100.82.0/24
  30. Aug 3, 2010
    Route object
    AS38697 Hankyong National Univercity
    RADB route object for AS38697 Hankyong National Univercity, maintainer MAINT-AS4766
    61.100.83.0/24
  31. Aug 3, 2010
    Route object
    AS38697 Hankyong National Univercity
    RADB route object for AS38697 Hankyong National Univercity, maintainer MAINT-AS4766
    61.100.84.0/24
  32. Aug 3, 2010
    Route object
    AS38697 Hankyong National Univercity
    RADB route object for AS38697 Hankyong National Univercity, maintainer MAINT-AS4766
    61.100.85.0/24
  33. Aug 3, 2010
    Route object
    AS38697 Hankyong National Univercity
    RADB route object for AS38697 Hankyong National Univercity, maintainer MAINT-AS4766
    61.100.86.0/24
  34. Aug 3, 2010
    Route object
    AS38697 Hankyong National Univercity
    RADB route object for AS38697 Hankyong National Univercity, maintainer MAINT-AS4766
    61.100.116.0/24
  35. Aug 3, 2010
    Route object
    AS38697 Hankyong National Univercity
    RADB route object for AS38697 Hankyong National Univercity, maintainer MAINT-AS4766
    61.100.117.0/24
  36. Aug 3, 2010
    Route object
    AS38697 Hankyong National Univercity
    RADB route object for AS38697 Hankyong National Univercity, maintainer MAINT-AS4766
    61.100.118.0/24
  37. Mar 29, 2011
    Route object
    AS9318 SK Broadband Co Ltd
    RADB route object for AS9318 SK Broadband Co Ltd, maintainer MAINT-AS9318
    61.100.90.0/23
  38. Mar 29, 2011
    Route object
    AS9318 SK Broadband Co Ltd
    RADB route object for AS9318 SK Broadband Co Ltd, maintainer MAINT-AS9318
    61.100.92.0/22
  39. Mar 29, 2011
    Route object
    AS9318 SK Broadband Co Ltd
    RADB route object for AS9318 SK Broadband Co Ltd, maintainer MAINT-AS9318
    61.100.110.0/24
  40. Jan 2, 2019
    Route object
    AS38669 LG HelloVision Corp.
    RADB route object for AS38669 LG HelloVision Corp., maintainer MAINT-AS9318
    61.100.64.0/24
  41. Jan 2, 2019
    Route object
    AS38669 LG HelloVision Corp.
    RADB route object for AS38669 LG HelloVision Corp., maintainer MAINT-AS9318
    61.100.65.0/24
  42. Jan 2, 2019
    Route object
    AS38669 LG HelloVision Corp.
    RADB route object for AS38669 LG HelloVision Corp., maintainer MAINT-AS9318
    61.100.66.0/24
  43. Jan 2, 2019
    Route object
    AS38669 LG HelloVision Corp.
    RADB route object for AS38669 LG HelloVision Corp., maintainer MAINT-AS9318
    61.100.67.0/24
  44. Jan 2, 2019
    Route object
    AS38669 LG HelloVision Corp.
    RADB route object for AS38669 LG HelloVision Corp., maintainer MAINT-AS9318
    61.100.68.0/24
  45. Dec 10, 2024
    Route object
    AS9959 Korea Stock Exchange
    RADB route object for AS9959 Korea Stock Exchange, maintainer MAINT-AS4670
    61.100.79.0/24
  46. Jan 19, 2026
    Route object
    AS214432 Zhilian Technology CO., LTD.
    RADB route object for AS214432 Zhilian Technology CO., LTD., maintainer MAINT-AS4670
    61.100.37.0/24
  47. today
    Registry record
    Sejong Networks
    ALLOCATED PORTABLE
    61.100.0.0/17
  48. today
    Used
    Novada
    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
PrefixOriginTypeOperatorProxy exitsHolderRPKI
61.100.0.0/20
since Apr 2025
AS9952HostingSejong Networks
61.100.0.0/24
since Jun 2021
AS9952HostingSejong Networks
61.100.1.0/24
since Oct 2020
AS9952HostingSejong Networks
61.100.2.0/24
since Apr 2024
AS9952HostingSejong Networks
61.100.3.0/24
since Oct 2020
AS9952HostingSejong Networks
61.100.4.0/24
since Oct 2020
AS9952HostingSejong Networks
61.100.5.0/24
since Jul 2022
AS9952HostingSejong Networks
61.100.6.0/24
since Mar 2024
AS9952HostingSejong Networks
61.100.7.0/24
since Apr 2024
AS9952HostingSejong Networks
61.100.8.0/24
since Jan 2019
AS9952HostingSejong Networks
61.100.9.0/24
since Oct 2020
AS9952HostingSejong Networks
61.100.10.0/24
since Apr 2024
AS9952HostingSejong Networks
61.100.11.0/24
since Oct 2020
AS9952HostingSejong Networks
61.100.12.0/24
since May 2023
AS9952HostingSejong Networks
61.100.13.0/24
since Sep 2025
AS9952HostingSejong Networks
61.100.14.0/24
since Apr 2024
AS9952HostingSejong Networks
61.100.15.0/24
since Mar 2025
AS9952HostingSejong Networks
61.100.25.0/24
since Nov 2023
AS38676HostingSejong Networks
61.100.26.0/24
since Nov 2023
AS38676Hosting1Sejong Networks
61.100.27.0/24
since Nov 2023
AS38676HostingSejong Networks
61.100.28.0/24
since Nov 2023
AS38676HostingSejong Networks
61.100.29.0/24
since Nov 2023
AS38676HostingSejong Networks
61.100.38.0/24
since Oct 2025
AS214432Datacenter proxyProxy providerssold by Novada4Sejong Networks
61.100.40.0/21
since Jan 2024
AS131866HostingSejong Networks
61.100.40.0/24
since Jan 2024
AS131866HostingSejong Networks
61.100.41.0/24
since Jan 2024
AS131866HostingSejong Networks
61.100.42.0/24
since Jan 2024
AS131866HostingSejong Networks
61.100.43.0/24
since Jan 2024
AS131866HostingSejong Networks
61.100.44.0/24
since Jan 2024
AS131866HostingSejong Networks
61.100.45.0/24
since Jan 2024
AS131866HostingSejong Networks
61.100.46.0/24
since Jan 2024
AS131866HostingSejong Networks
61.100.47.0/24
since Jan 2024
AS131866HostingSejong Networks
61.100.48.0/21
since Jan 2024
AS131866HostingSejong Networks
61.100.48.0/24
since Jan 2024
AS131866HostingSejong Networks
61.100.49.0/24
since Jan 2024
AS131866HostingSejong Networks
61.100.50.0/24
since Jan 2024
AS131866HostingSejong Networks
61.100.51.0/24
since Jan 2024
AS131866HostingSejong Networks
61.100.52.0/24
since Jan 2024
AS131866HostingSejong Networks
61.100.53.0/24
since Jan 2024
AS131866HostingSejong Networks
61.100.54.0/24
since Jan 2024
AS131866HostingSejong Networks
61.100.71.0/24
since May 2025
AS9947HostingSejong Networks
61.100.72.0/24
since May 2025
AS9947HostingSejong Networks
61.100.88.0/24
since Aug 2025
AS152294UnknownSejong Networks

Composition

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

Announced space

Address share

Announced space

Types across the prefix

32,768 addresses
TypeAddressesShareRanges
Internet provider22,27268%6
Hosting9,98430%39
Datacenter proxyanonymizer2560.78%1
Unknown2560.78%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