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Data as of Nov 9, 2026

206.106.35.0/24

Anonymizer · ISP proxy

Cox Communications Inc. · space held by Cogent Communications, LLC

Announcement
this exact prefix
No RPKI
Announced by
AS22773
Type
ISP proxy
Risk
90 / 100 · Critical
Recently moved
Recent change
New origin Jul 2026
from AS1239 Cogent Communications, LLC, after 16.4 years unannounced
IPv4 market

Path

Announced by AS22773 since Jul 2026 · 4 mo ago
1 · Holder
Cogent Communications, LLC
record created Aug 15, 1995
2 · Leased from
Rackdog
for its owner Cogent Communications, LLC
3 · Announced by
AS22773 Cox Communications Inc.
since Jul 2026 · 4 mo ago
4 · Use
ISP proxy
anonymizer space, operator not named

Operators, sellers and brokers

Leased from

IP brokers

NameIn 206.106.35.0/24/24s
Rackdog
256100%
1
Leased from

Owners leasing their own space

NameIn 206.106.35.0/24/24s
Cogent Communications, LLC
256100%
1

Lineage

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

206.106.35.0/24

From the registry to its use

  1. Aug 15, 1995
    Registry record
    Cogent Communications, LLC
    Direct Allocation (legacy, pre-1997)
    206.104.0.0/14
  2. Feb 8, 2010– Feb 15, 2010
    Announced
    AS1239 Cogent Communications, LLC
  3. Feb 12, 2026– today
    Announced
    AS10753 Level 3 Parent, LLC
    as part of 206.106.32.0/21
    206.106.32.0/21
  4. May 27, 2026
    Assigned
    RCN
    Reassigned
    206.106.0.0/17
  5. Jul 18, 2026– today
    Announced
    AS22773 Cox Communications Inc.
    Internet provider
  6. today
    Leased from
    Rackdog
    IP broker

Announcements

Less specific

Covering announcements

PrefixOriginTypeAnonymizer addressesLeased fromProxy exitsHolderRPKI
206.106.32.0/21
since Feb 2026
AS10753ISP proxy1,02450%IP broker RackdogCogent Communications, LLC
206.106.32.0/20
since Jul 2026
AS22773ISP proxyIP broker RackdogCogent Communications, LLC
206.104.0.0/14
since May 2024
AS174Internet provider17
2 always on
Cogent Communications, LLC

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
206.104.0.0/14262,144COGENT-206-104-0Cogent Communications, LLC (COGC) · USDirect AllocationAug 15, 1995abuse@cogentco.com
└ 206.106.0.0/1732,768RACKDOG-CGNT-NET-42RCN (C11605237) · USReassignedMay 27, 2026abuse@cogentco.com
via COGENT-206-104-0

A contact marked “via” is the registry's: the record names none of its own, so the registry hands down its parent's.

Network & registry

AnnouncementRouting historyWhois & abuse
IPv4 market

Holder

Holder in the market →
Organization
Cogent Communications, LLC
Handle
COGC
Range
206.104.0.0/14
Registration type
Direct Allocation
Record created
Aug 15, 1995
Legacy
yes
Origin network

AS22773

US
Name
Cox Communications Inc.
Type
Internet provider
Registered
Nov 20, 2001
Domain
cox.com
Website
www.cox.com/peering
Industry
Internet Service Provider (ISP)
Spamhaus ASN-DROP
not listed