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Data as of Nov 3, 2026

121.91.232.0/24

Anonymizer · ISP proxy

Windstream Communications LLC · space held by Rackdog, LLC

Announcement
this exact prefix
RPKI valid
Announced by
AS7029
Type
ISP proxy
Risk
90 / 100 · Critical
IPv4 market

Path

1 · Holder
Rackdog, LLC
record created Dec 21, 2020 · reallocated to Cable & Fiberlink Sep 18, 2023
2 · Leased from
Rackdog
3 · Announced by
AS7029 Windstream Communications LLC
since Nov 2025 · 12 mo ago
4 · Use
ISP proxy
anonymizer space, operator not named

Operators, sellers and brokers

Leased from

IP brokers

NameIn 121.91.232.0/24/24s
Rackdog
256100%
1

Lineage

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

121.91.232.0/24

From the registry to its use

  1. Dec 21, 2020
    Registry record
    Rackdog, LLC
    Direct Allocation
    121.91.208.0 - 121.91.255.255
  2. Jan 16, 2022– Jun 3, 2023
    Announced
    AS701 Verizon Business
    as part of 121.91.232.0/23
    121.91.232.0/23
  3. Sep 18, 2023
    Reallocated
    Cable & Fiberlink
    Reallocated
    121.91.224.0/19
  4. Nov 8, 2025– today
    Announced
    AS7029 Windstream Communications LLC
    as part of 121.91.232.0/23
    121.91.232.0/23
  5. Nov 8, 2025– today
    Announced
    AS7029 Windstream Communications LLC
    Internet provider
  6. today
    Leased from
    Rackdog
    IP broker

Announcements

Less specific

Covering announcements

PrefixOriginTypeAnonymizer addressesLeased fromHolderRPKI
121.91.232.0/23
since Nov 2025
AS7029ISP proxy25650%IP broker RackdogRackdog, LLC
via Cable & Fiberlink

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
121.91.208.0 - 121.91.255.25512,288NET-121-91-208-0Rackdog, LLC (RL-859) · USDirect AllocationDec 21, 2020[email protected]
└ 121.91.224.0/198,192RACKDOGCable & Fiberlink (MIL-167) · USReallocatedSep 18, 2023[email protected]

Network & registry

AnnouncementRouting historyRPKI & IRRWhois & abuse
IPv4 market

Holder

Holder in the market →
Organization
Rackdog, LLC
Handle
RL-859
Range
121.91.208.0 - 121.91.255.255
Registration type
Direct Allocation
Record created
Dec 21, 2020
Reallocated to
Cable & Fiberlink (MIL-167)
Reallocated range
121.91.224.0/19
Reallocated
Sep 18, 2023
Origin network

AS7029

US
Name
Windstream Communications LLC
Type
Internet provider
Registered
Jul 30, 1996
Domain
uniti.com
Website
www.uniti.com/
Industry
Internet Service Provider (ISP)
Spamhaus ASN-DROP
not listed