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Data as of Nov 10, 2026

121.91.233.0/24

Anonymizer · ISP proxy

Windstream Communications LLC · space held by Rackdog, LLC

Announcement
121.91.232.0/23
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 121.91.233.0/24/24s
Rackdog
256100%
1

Registrations in this block

The registry's network records over this block, widest first, each under its parent.

RangeAddressesNetnameHolderTypeCreatedAbuse contact
121.91.208.0 - 121.91.255.25512,288NET-121-91-208-0Rackdog, LLC (RL-859) · USDirect AllocationDec 21, 2020contact@rackdog.com
└ 121.91.224.0/198,192RACKDOGCable & Fiberlink (MIL-167) · USReallocatedSep 18, 2023ipoperations@cablefiberlink.com

Network & registry

AnnouncementRouting historyRPKI & IRRWhois & abuse
Routing timeline

Who has announced 121.91.232.0/23

121.91.232.0/23

Routing history

Pattern
Reactivated
First seen
Jan 2022
Current origin since
Nov 2025 · 1.0 yr
Origin networks
2
Last change of origin
Nov 2025
Recorded history

History

Handoffs
1