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Data as of Nov 6, 2026

121.91.252.0/24

Anonymizer · ISP proxy

Wave Broadband · space held by Rackdog, LLC

Announcement
121.91.248.0/21
RPKI valid
Announced by
AS11404
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
AS11404 Wave Broadband
since Sep 2024 · 2.1 yr ago
4 · Use
ISP proxy
anonymizer space, operator not named

Operators, sellers and brokers

Leased from

IP brokers

NameIn 121.91.252.0/24/24s
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
Announced by

Covering announcement 121.91.248.0/21

Prefix
121.91.248.0/21
Announced by
AS11404 Wave Broadband
Type
ISP proxy
Anonymizer addresses
all
Leased from
IP broker Rackdog
RPKI
RPKI valid
Netname
RACKDOG
Registrant
Cable & Fiberlink
RIR
ARIN
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

AS11404

US
Name
Wave Broadband
Type
Internet provider
Registered
Mar 28, 2007
Domain
wavebroadband.com
Website
business.wavebroadband.com/
Industry
Internet Service Provider (ISP)
Spamhaus ASN-DROP
not listed