Data as of Nov 13, 2026

206.185.0.0/16

No anonymizer space · no proxy exits in 30 days

Cogent Communications, LLC

Announcement
this exact prefix
No RPKI
Announced by
Type
Internet provider
97% of it

Announcements

More specific

Announcements inside

PrefixOriginTypeHolderRPKI
206.185.2.0/24
since Apr 2021
AS32035BusinessCogent Communications, LLC
206.185.3.0/24
since Jun 2023
AS23058BusinessCogent Communications, LLC
206.185.4.0/24
since Nov 2025
AS329097Internet providerCogent Communications, LLC
206.185.16.0/22
since Mar 2025
AS329305HostingCogent Communications, LLC
206.185.20.0/24
since Jul 2026
AS37442BusinessCogent Communications, LLC
206.185.21.0/24AS329735BusinessCogent 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
206.185.0.0/1665,536COGENT-206-185-1-16Cogent Communications, LLC (COGC) · USDirect AllocationNov 3, 1995abuse@cogentco.com
└ 206.185.2.0/24256NET-206-185-2-0-1NetFortris (C07915418) · ZAReassignedJun 4, 2021abuse@cogentco.com
via COGENT-206-185-1-16
└ 206.185.4.0/24256SIFUTURES-CGNT-NET-1SI Futures (Pty) Ltd (C11424248) · USReassignedNov 18, 2025abuse@cogentco.com
via COGENT-206-185-1-16
└ 206.185.32.0/198,192GIGAWAVE-CGNT-NET-1unknown———

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

Composition

The types across the prefix's announced space, by addresses.

Announced space

Address share

Announced space

Types across the prefix

65,536 addresses
TypeAddressesShareRanges
Internet provider63,48897%4
Business1,0241.6%4
Hosting1,0241.6%1

Network & registry

Routing timeline

Who has announced this prefix

Summary

Routing history

Pattern
Stable
First seen
May 2005
Current origin since
Jun 2005 · 21 yr
Origin networks
2
Last change of origin
Jun 2005
Recorded history

History

Handoffs
1