Data as of Nov 8, 2026

51.241.170.0/24

Anonymizer · ISP proxy

Frontier Communications of America, Inc. · space held by Sky UK Limited

Announcement
this exact prefix
RPKI valid
Announced by
Type
ISP proxy
Risk
90 / 100 · Critical
Recently moved
Recent change
New origin Oct 23, 2026
from AS9304 HGC Global Communications Limited
IPv4 market

Path

Announced by AS5650 since Oct 23, 2026 · 2 wk ago
1 · Holder
record created Feb 5, 2026
2 · Leased from
for its owner Sky UK Limited
3 · Announced by
AS5650 Frontier Communications of America, Inc.
since Oct 23, 2026 · 2 wk ago
4 · Use
ISP proxy
anonymizer space, operator not named

Operators, sellers and brokers

Leased from

IP brokers

NameIn 51.241.170.0/24/24s
IPXO
256100%
1
Leased from

Owners leasing their own space

NameIn 51.241.170.0/24/24s
Sky UK Limited
256100%
1

Lineage

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

51.241.170.0/24

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– Jun 23, 2026
    Announced
    AS402268 YUGS Networks Ltd.
  4. Sep 4, 2026– Oct 10, 2026
    Announced
    AS9304 HGC Global Communications Limited
    Internet provider
  5. Oct 19, 2026
    Route object
    AS5650 Frontier Communications of America, Inc.
    RADB route object for AS5650 Frontier Communications of America, Inc., maintainer MAINT-AS46261
  6. Oct 23, 2026– today
    Announced
    AS5650 Frontier Communications of America, Inc.
    Internet provider
  7. 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
└ 51.241.128.0/1732,768SKY-LEASED-IPXOSky UK Limited (ORG-SUL39-RIPE) · GBSUB-ALLOCATED PAFeb 5, 2026report@abuseradar.com

Network & registry

IPv4 market

Holder

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

AS5650

US
Name
Frontier Communications of America, Inc.
Type
Internet provider
Registered
Jul 25, 1995
Domain
verizonbusiness.com
Website
www.frontier.com
Industry
Internet Service Provider (ISP)
Spamhaus ASN-DROP
not listed