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Data as of Nov 9, 2026

51.146.200.0/21

Anonymizer · ISP proxy

Charter Communications Inc · space held by Sky UK Limited

Announcement
this exact prefix
RPKI valid
Announced by
AS11426
Type
ISP proxy
Risk
90 / 100 · Critical
IPv4 market

Path

1 · Holder
Sky UK Limited
record created Feb 5, 2026
2 · Leased from
IPXO
for its owner Sky UK Limited
3 · Announced by
AS11426 Charter Communications Inc
since Apr 2026 · 7 mo ago
4 · Use
ISP proxy
anonymizer space, operator not named

Operators, sellers and brokers

Leased from

IP brokers

NameIn 51.146.200.0/21/24s
IPXO
2,048100%
8
Leased from

Owners leasing their own space

NameIn 51.146.200.0/21/24s
Sky UK Limited
2,048100%
8

Lineage

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

51.146.200.0/21

From the registry to its use

  1. Feb 5, 2026
    Registry record
    Sky UK Limited
    ALLOCATED PA
    51.146.0.0/16
  2. Feb 5, 2026
    Reallocated
    Sky UK Limited
    SUB-ALLOCATED PA
    51.146.128.0/17
  3. Mar 16, 2026
    Route object
    IPXO
    RIPE route object for AS11426 Charter Communications Inc, maintainer NETUTILS-MNT
  4. Mar 16, 2026
    Route object
    IPXO
    RIPE route object for AS397373 H4Y Technologies LLC, maintainer NETUTILS-MNT
  5. Mar 17, 2026
    Route object
    IPXO
    RADB route object for AS11426 Charter Communications Inc, maintainer MAINT-AS834
  6. Mar 17, 2026
    Route object
    IPXO
    RADB route object for AS397373 H4Y Technologies LLC, maintainer MAINT-AS834
  7. Apr 13, 2026– today
    Announced
    AS11426 Charter Communications Inc
    Internet provider
  8. today
    Leased from
    IPXO
    IP broker

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
51.146.0.0/1665,536UK-SKY-19930901Sky UK Limited (ORG-SUL39-RIPE) · GBALLOCATED PAFeb 5, 2026hostmaster@sky.uk
└ 51.146.128.0/1732,768NET-51-146-128-0-17Sky UK Limited (ORG-SUL39-RIPE) · GBSUB-ALLOCATED PAFeb 5, 2026report@abuseradar.com

Network & registry

AnnouncementRouting historyRPKI & IRRWhois & abuse
IPv4 market

Holder

Holder in the market →
Organization
Sky UK Limited
Handle
ORG-SUL39-RIPE
Range
51.146.0.0/16
Registration type
ALLOCATED PA
Record created
Feb 5, 2026
Origin network

AS11426

US
Name
Charter Communications Inc
Type
Internet provider
Registered
Jun 9, 2000
Domain
charter.com
Industry
Media, Publishing, and Broadcasting
Spamhaus ASN-DROP
not listed