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Data as of Nov 3, 2026

74.52.80.0/20

Anonymizer · ISP proxy

RCN · reallocated from Skyline Networks Company Limited

Announcement
this exact prefix
RPKI valid
Announced by
AS6079
Type
ISP proxy
Risk
90 / 100 · Critical
Recent change
New origin Jun 2026
its first announcement on record
IPv4 market

Path

Announced by AS6079 since Jun 2026 · 4 mo ago
1 · Holder
Skyline Networks Company Limited
reallocated to RCN
2 · Leased from
Skyline Networks Company Limited
its owner, directly
3 · Announced by
AS6079 RCN
since Jun 2026 · 4 mo ago
4 · Use
ISP proxy
anonymizer space, operator not named

Operators, sellers and brokers

Leased from

Owners leasing their own space

NameIn 74.52.80.0/20/24s
Skyline Networks Company Limited
4,096100%
16

Lineage

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

74.52.80.0/20

From the registry to its use

  1. Jun 24, 2026– Nov 2, 2026
    Announced
    AS6079 RCN
    Internet provider
  2. Jun 25, 2026
    Route object
    AS6079 RCN
    RADB route object for AS6079 RCN, maintainer MAINT-AS14713
    74.52.80.0/24
  3. Jun 25, 2026
    Route object
    AS6079 RCN
    RADB route object for AS6079 RCN, maintainer MAINT-AS14713
    74.52.81.0/24
  4. Jun 25, 2026
    Route object
    AS6079 RCN
    RADB route object for AS6079 RCN, maintainer MAINT-AS14713
    74.52.82.0/24
  5. Jun 25, 2026
    Route object
    AS6079 RCN
    RADB route object for AS6079 RCN, maintainer MAINT-AS14713
    74.52.83.0/24
  6. Jun 25, 2026
    Route object
    AS6079 RCN
    RADB route object for AS6079 RCN, maintainer MAINT-AS14713
    74.52.84.0/24
  7. Jun 25, 2026
    Route object
    AS6079 RCN
    RADB route object for AS6079 RCN, maintainer MAINT-AS14713
    74.52.85.0/24
  8. Jun 25, 2026
    Route object
    AS6079 RCN
    RADB route object for AS6079 RCN, maintainer MAINT-AS14713
    74.52.86.0/24
  9. Jun 25, 2026
    Route object
    AS6079 RCN
    RADB route object for AS6079 RCN, maintainer MAINT-AS14713
    74.52.87.0/24
  10. Jun 25, 2026
    Route object
    AS6079 RCN
    RADB route object for AS6079 RCN, maintainer MAINT-AS14713
    74.52.88.0/24
  11. Jun 25, 2026
    Route object
    AS6079 RCN
    RADB route object for AS6079 RCN, maintainer MAINT-AS14713
    74.52.89.0/24
  12. Jun 25, 2026
    Route object
    AS6079 RCN
    RADB route object for AS6079 RCN, maintainer MAINT-AS14713
    74.52.90.0/24
  13. Jun 25, 2026
    Route object
    AS6079 RCN
    RADB route object for AS6079 RCN, maintainer MAINT-AS14713
    74.52.91.0/24
  14. Jun 25, 2026
    Route object
    AS6079 RCN
    RADB route object for AS6079 RCN, maintainer MAINT-AS14713
    74.52.92.0/24
  15. Jun 25, 2026
    Route object
    AS6079 RCN
    RADB route object for AS6079 RCN, maintainer MAINT-AS14713
    74.52.93.0/24
  16. Jun 25, 2026
    Route object
    AS6079 RCN
    RADB route object for AS6079 RCN, maintainer MAINT-AS14713
    74.52.94.0/24
  17. Jun 25, 2026
    Route object
    AS6079 RCN
    RADB route object for AS6079 RCN, maintainer MAINT-AS14713
    74.52.95.0/24
  18. today
    Registry record
    Skyline Networks Company Limited
    ALLOCATED PORTABLE
    74.52.0.0/16
  19. today
    Reallocated
    RCN
    ALLOCATED NON-PORTABLE
    74.52.64.0/18
  20. today
    Route object
    AS6079 RCN
    APNIC route object for AS6079 RCN, maintainer MAINT-SKYLINE1-HK
  21. today
    Route object
    AS6079 RCN
    APNIC route object for AS6079 RCN, maintainer MAINT-SKYLINE1-HK
    74.52.80.0/21
  22. today
    Route object
    AS6079 RCN
    APNIC route object for AS6079 RCN, maintainer MAINT-SKYLINE1-HK
    74.52.80.0/22
  23. today
    Route object
    AS6079 RCN
    APNIC route object for AS6079 RCN, maintainer MAINT-SKYLINE1-HK
    74.52.80.0/23
  24. today
    Route object
    AS6079 RCN
    APNIC route object for AS6079 RCN, maintainer MAINT-SKYLINE1-HK
    74.52.80.0/24
  25. today
    Route object
    AS6079 RCN
    APNIC route object for AS6079 RCN, maintainer MAINT-SKYLINE1-HK
    74.52.81.0/24
  26. today
    Route object
    AS6079 RCN
    APNIC route object for AS6079 RCN, maintainer MAINT-SKYLINE1-HK
    74.52.82.0/23
  27. today
    Route object
    AS6079 RCN
    APNIC route object for AS6079 RCN, maintainer MAINT-SKYLINE1-HK
    74.52.82.0/24
  28. today
    Route object
    AS6079 RCN
    APNIC route object for AS6079 RCN, maintainer MAINT-SKYLINE1-HK
    74.52.83.0/24
  29. today
    Route object
    AS6079 RCN
    APNIC route object for AS6079 RCN, maintainer MAINT-SKYLINE1-HK
    74.52.84.0/22
  30. today
    Route object
    AS6079 RCN
    APNIC route object for AS6079 RCN, maintainer MAINT-SKYLINE1-HK
    74.52.84.0/23
  31. today
    Route object
    AS6079 RCN
    APNIC route object for AS6079 RCN, maintainer MAINT-SKYLINE1-HK
    74.52.84.0/24
  32. today
    Route object
    AS6079 RCN
    APNIC route object for AS6079 RCN, maintainer MAINT-SKYLINE1-HK
    74.52.85.0/24
  33. today
    Route object
    AS6079 RCN
    APNIC route object for AS6079 RCN, maintainer MAINT-SKYLINE1-HK
    74.52.86.0/23
  34. today
    Route object
    AS6079 RCN
    APNIC route object for AS6079 RCN, maintainer MAINT-SKYLINE1-HK
    74.52.86.0/24
  35. today
    Route object
    AS6079 RCN
    APNIC route object for AS6079 RCN, maintainer MAINT-SKYLINE1-HK
    74.52.87.0/24
  36. today
    Route object
    AS6079 RCN
    APNIC route object for AS6079 RCN, maintainer MAINT-SKYLINE1-HK
    74.52.88.0/21
  37. today
    Route object
    AS6079 RCN
    APNIC route object for AS6079 RCN, maintainer MAINT-SKYLINE1-HK
    74.52.88.0/22
  38. today
    Route object
    AS6079 RCN
    APNIC route object for AS6079 RCN, maintainer MAINT-SKYLINE1-HK
    74.52.88.0/23
  39. today
    Route object
    AS6079 RCN
    APNIC route object for AS6079 RCN, maintainer MAINT-SKYLINE1-HK
    74.52.88.0/24
  40. today
    Route object
    AS6079 RCN
    APNIC route object for AS6079 RCN, maintainer MAINT-SKYLINE1-HK
    74.52.89.0/24
  41. today
    Route object
    AS6079 RCN
    APNIC route object for AS6079 RCN, maintainer MAINT-SKYLINE1-HK
    74.52.90.0/23
  42. today
    Route object
    AS6079 RCN
    APNIC route object for AS6079 RCN, maintainer MAINT-SKYLINE1-HK
    74.52.90.0/24
  43. today
    Route object
    AS6079 RCN
    APNIC route object for AS6079 RCN, maintainer MAINT-SKYLINE1-HK
    74.52.91.0/24
  44. today
    Route object
    AS6079 RCN
    APNIC route object for AS6079 RCN, maintainer MAINT-SKYLINE1-HK
    74.52.92.0/22
  45. today
    Route object
    AS6079 RCN
    APNIC route object for AS6079 RCN, maintainer MAINT-SKYLINE1-HK
    74.52.92.0/23
  46. today
    Route object
    AS6079 RCN
    APNIC route object for AS6079 RCN, maintainer MAINT-SKYLINE1-HK
    74.52.92.0/24
  47. today
    Route object
    AS6079 RCN
    APNIC route object for AS6079 RCN, maintainer MAINT-SKYLINE1-HK
    74.52.93.0/24
  48. today
    Route object
    AS6079 RCN
    APNIC route object for AS6079 RCN, maintainer MAINT-SKYLINE1-HK
    74.52.94.0/23
  49. today
    Route object
    AS6079 RCN
    APNIC route object for AS6079 RCN, maintainer MAINT-SKYLINE1-HK
    74.52.94.0/24
  50. today
    Route object
    AS6079 RCN
    APNIC route object for AS6079 RCN, maintainer MAINT-SKYLINE1-HK
    74.52.95.0/24

Registrations in this block

The registry's network records over the announcement: those covering it, widest first, then every record inside it, under its parent.

RangeAddressesNetnameHolderTypeCreatedAbuse contact
74.52.0.0/1665,536SKYLINE1-HKSkyline Networks Company Limited (ORG-SNCL3-AP) · HKALLOCATED PORTABLE—[email protected]
└ 74.52.0.0/1732,768SKYLINE1-HKSkyline Networks Company LimitedALLOCATED NON-PORTABLE—[email protected]
└ 74.52.64.0/1816,384RCNRCNALLOCATED NON-PORTABLE—[email protected]

Network & registry

AnnouncementRouting historyRPKI & IRRWhois & abuse
IPv4 market

Holder

Holder in the market →
Organization
Skyline Networks Company Limited
Handle
ORG-SNCL3-AP
Range
74.52.0.0/16
Registration type
ALLOCATED PORTABLE
Reallocated to
RCN
Reallocated range
74.52.64.0/18
Reallocation type
ALLOCATED NON-PORTABLE
Origin network

AS6079

US
Name
RCN
Type
Internet provider
Registered
Apr 4, 2001
Domain
astound.com
Website
www.astound.com
Industry
Internet Service Provider (ISP)
Spamhaus ASN-DROP
not listed