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Data as of Nov 3, 2026

51.241.131.0/24

Anonymizer · ISP proxy

TransitX Ltd · space held by Sky UK Limited

Announcement
this exact prefix
RPKI valid
Announced by
AS199741
Type
ISP proxy
Risk
90 / 100 · Critical
Recent change
New origin May 2026
its first announcement on record
IPv4 market

Path

Announced by AS199741 since May 2026 · 6 mo ago
1 · Holder
Sky UK Limited
record created Feb 5, 2026
2 · Leased from
Sky UK Limited
its owner, directly
3 · Announced by
AS199741 TransitX Ltd
since May 2026 · 6 mo ago
4 · Use
ISP proxy
anonymizer space, operator not named

Operators, sellers and brokers

Leased from

Owners leasing their own space

NameIn 51.241.131.0/24/24s
Sky UK Limited
256100%
1

Lineage

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

51.241.131.0/24

From the registry to its use

  1. Feb 5, 2026
    Registry record
    Sky UK Limited
    ALLOCATED PA
    51.241.0.0/16
  2. Feb 5, 2026
    Reallocated
    Sky UK Limited
    SUB-ALLOCATED PA
    51.241.128.0/17
  3. May 19, 2026
    Route object
    IPXO
    RIPE route object for AS199741 TransitX Ltd, maintainer NETUTILS-MNT
  4. May 19, 2026
    Route object
    IPXO
    RADB route object for AS199741 TransitX Ltd, maintainer MAINT-AS834
  5. May 19, 2026– Nov 2, 2026
    Announced
    AS199741 TransitX Ltd
    Hosting
  6. 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
51.241.0.0/1665,536UK-SKY-19930901Sky UK Limited (ORG-SUL39-RIPE) · GBALLOCATED PAFeb 5, 2026[email protected]
└ 51.241.128.0/1732,768SKY-LEASED-IPXOSky UK Limited (ORG-SUL39-RIPE) · GBSUB-ALLOCATED PAFeb 5, 2026[email protected]
└ 51.241.131.0/24256NET-51-241-131-0-24unknownASSIGNED PAMay 19, 2026[email protected]

Network & registry

AnnouncementRouting historyRPKI & IRRWhois & abuse
IPv4 market

Holder

Holder in the market →
Organization
Sky UK Limited
Handle
ORG-SUL39-RIPE
Range
51.241.0.0/16
Registration type
ALLOCATED PA
Record created
Feb 5, 2026
Origin network

AS199741

GB
Name
TransitX Ltd
Type
Hosting
Registered
Mar 26, 2026
Domain
transitx.net
Website
transitx.net
Industry
Internet Service Provider (ISP)
Spamhaus ASN-DROP
not listed
VPN servers
4