Data as of Nov 9, 2026

206.106.36.0/22

Anonymizer · ISP proxy

Level 3 Parent, LLC · space held by Cogent Communications, LLC

Announcement
No RPKI
Announced by
Type
ISP proxy
Risk
90 / 100 · Critical
IPv4 market

Path

1 · Holder
record created Aug 15, 1995
2 · Leased from
3 · Announced by
AS10753 Level 3 Parent, LLC
since Feb 2026 · 9 mo ago
4 · Use
ISP proxy
anonymizer space, operator not named

Operators, sellers and brokers

Leased from

IP brokers

NameIn 206.106.36.0/22/24s
Rackdog
1,024100%
4
Leased from

Owners leasing their own space

NameIn 206.106.36.0/22/24s
Cogent Communications, LLC
1,024100%
4

Announcements

Less specific

Covering announcements

PrefixOriginTypeLeased fromProxy exitsHolderRPKI
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 this block, widest first, each 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

Announced by

Covering announcement 206.106.32.0/21

Prefix
206.106.32.0/21
Announced by
AS10753 Level 3 Parent, LLC
Type
ISP proxy
Anonymizer addresses
1,024 addresses · 50%
Leased from
IP broker Rackdog
RPKI
No RPKI
Netname
RACKDOG-CGNT-NET-42
Registrant
RCN
RIR
ARIN
IPv4 market

Holder

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

AS10753

US
Name
Level 3 Parent, LLC
Type
Internet provider
Registered
Nov 18, 1997
Domain
level3.com
Industry
Hosting and Cloud Provider
Spamhaus ASN-DROP
not listed