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Data as of Nov 9, 2026

51.241.127.0/24

Anonymizer · Datacenter proxy

Zenlayer Inc · space held by Sky UK Limited

Announcement
this exact prefix
RPKI valid
Announced by
AS21859
Type
Datacenter proxy
Risk
85 / 100 · Critical
Recent change
New origin May 2026
its first announcement on record
IPv4 market

Path

Announced by AS21859 since May 2026 · 6 mo ago
1 · Holder
Sky UK Limited
record created Feb 5, 2026
2 · Leased from
IPXO
for its owner Sky UK Limited
3 · Announced by
AS21859 Zenlayer Inc
since May 2026 · 6 mo ago
4 · Use
Datacenter proxy
anonymizer space, operator not named

Operators, sellers and brokers

Leased from

IP brokers

NameIn 51.241.127.0/24/24s
IPXO
256100%
1
Leased from

Owners leasing their own space

NameIn 51.241.127.0/24/24s
Sky UK Limited
256100%
1

Lineage

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

51.241.127.0/24

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
    51.241.0.0/17
  3. May 14, 2026
    Route object
    IPXO
    RIPE route object for AS21859 Zenlayer Inc, maintainer NETUTILS-MNT
  4. May 14, 2026
    Route object
    IPXO
    RADB route object for AS21859 Zenlayer Inc, maintainer MAINT-AS834
  5. May 19, 2026– today
    Announced
    AS21859 Zenlayer Inc
    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, 2026hostmaster@sky.uk
└ 51.241.0.0/1732,768SKY-LEASED-IPXOSky UK Limited (ORG-SUL39-RIPE) · GBSUB-ALLOCATED PAFeb 5, 2026report@abuseradar.com
└ 51.241.127.0/24256NET-51-241-127-0-24unknownASSIGNED PAMay 14, 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
51.241.0.0/16
Registration type
ALLOCATED PA
Record created
Feb 5, 2026
Origin network

AS21859

US
Name
Zenlayer Inc
Type
Hosting
Registered
Apr 2, 2013
Domain
zenlayer.com
Website
www.zenlayer.com
Industry
Hosting and Cloud Provider
Spamhaus ASN-DROP
not listed
VPN servers
303