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Data as of Nov 8, 2026

51.146.147.0/24

Anonymizer · ISP proxy

1&1 Versatel GmbH · space held by Sky UK Limited

Announcement
51.146.144.0/22
RPKI valid
Announced by
AS8881
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
AS8881 1&1 Versatel GmbH
since Feb 2026 · 8 mo ago
4 · Use
Proxy providersnamed FlashProxy
ISP proxy

Operators, sellers and brokers

Proxy providers

NameParentIn 51.146.147.0/24/24s
FlashProxy
256100%
1
Leased from

IP brokers

NameIn 51.146.147.0/24/24s
IPXO
256100%
1
Leased from

Owners leasing their own space

NameIn 51.146.147.0/24/24s
Sky UK Limited
256100%
1

Registrations in this block

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

Covering announcement 51.146.144.0/22

Prefix
51.146.144.0/22
Announced by
AS8881 1&1 Versatel GmbH
Type
ISP proxy
Anonymizer addresses
all
Operator
Proxy providerssold by FlashProxy
Leased from
IP broker IPXO
RPKI
RPKI valid
Netname
NET-51-146-128-0-17
Registrant
Sky UK Limited
RIR
RIPE NCC
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

AS8881

DE
Name
1&1 Versatel GmbH
Type
Internet provider
Registered
Jul 8, 1998
Domain
1und1.net
Website
www.1und1.net/
Industry
Internet Service Provider (ISP)
Spamhaus ASN-DROP
not listed
VPN servers
4