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Data as of Nov 3, 2026

74.52.83.0/24

Anonymizer · ISP proxy

RCN · reallocated from Skyline Networks Company Limited

Announcement
74.52.80.0/20
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 74.52.83.0/24/24s
Skyline Networks Company Limited
256100%
1

Registrations in this block

The registry's network records over this block, widest first, each 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
Announced by

Covering announcement 74.52.80.0/20

Prefix
74.52.80.0/20
Announced by
AS6079 RCN
Type
ISP proxy
Anonymizer addresses
all
RPKI
RPKI valid
Netname
RCN
Registrant
RCN
RIR
APNIC
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