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Data as of Nov 3, 2026

51.146.44.0/22

Anonymizer · ISP proxy

British Telecommunications Limited · space held by Sky UK Limited

Announcement
this exact prefix
RPKI valid
Announced by
AS2856
Type
ISP proxy
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
AS2856 British Telecommunications Limited
since Mar 2026 · 8 mo ago
4 · Use
Proxy providersnamed FlashProxy
ISP proxy

Operators, sellers and brokers

Proxy providers

NameParentIn 51.146.44.0/22/24s
FlashProxy
25625%
1
Leased from

IP brokers

NameIn 51.146.44.0/22/24s
IPXO
1,024100%
4
Leased from

Owners leasing their own space

NameIn 51.146.44.0/22/24s
Sky UK Limited
1,024100%
4

Lineage

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

51.146.44.0/22

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
    51.146.0.0/17
  3. Feb 27, 2026
    Route object
    IPXO
    RIPE route object for AS2856 British Telecommunications Limited, maintainer NETUTILS-MNT
  4. Feb 27, 2026
    Route object
    IPXO
    RADB route object for AS2856 British Telecommunications Limited, maintainer MAINT-AS834
  5. Mar 8, 2026– Nov 2, 2026
    Announced
    AS2856 British Telecommunications Limited
    Internet provider
  6. Apr 30, 2026
    Route object
    IPXO
    RIPE route object for AS6079 RCN, maintainer NETUTILS-MNT
  7. Apr 30, 2026
    Route object
    IPXO
    RIPE route object for AS399955 B-Rock Crude, maintainer NETUTILS-MNT
  8. May 15, 2026
    Route object
    IPXO
    RADB route object for AS6079 RCN, maintainer MAINT-AS834
  9. May 15, 2026
    Route object
    IPXO
    RADB route object for AS399955 B-Rock Crude, maintainer MAINT-AS834
  10. today
    Leased from
    IPXO
    IP broker
  11. today
    Used
    FlashProxy
    Proxy seller

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, 2026[email protected]
└ 51.146.0.0/1732,768SKY-LEASED-IPXOSky UK Limited (ORG-SUL39-RIPE) · GBSUB-ALLOCATED PAFeb 5, 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
51.146.0.0/16
Registration type
ALLOCATED PA
Record created
Feb 5, 2026
Origin network

AS2856

GB
Name
British Telecommunications Limited
Type
Internet provider
Registered
Dec 22, 1993
Domain
bt.net
Website
www.bt.net
Industry
Internet Service Provider (ISP)
Spamhaus ASN-DROP
not listed
VPN servers
12