LAYER3 INTEL
Get started
Sign in
Data as of Nov 3, 2026

154.42.0.0/16

No anonymizer space · no proxy exits in 30 days

Cogent Communications, LLC

Announcement
154.40.0.0/13
No RPKI
Announced by
AS174
Type
Internet provider
98% of it

Announcements

More specific

Announcements inside

PrefixOriginTypeHolderRPKI
154.42.2.0/24
since Feb 2018
AS51006HostingCogent Communications, LLC
154.42.72.0/22
since Mar 2017
AS202568HostingCogent Communications, LLC
154.42.160.0/21
since Dec 2013
AS199335Internet providerCogent Communications, LLC

Registrations in this block

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

RangeAddressesNetnameHolderTypeCreatedAbuse contact
154.42.0.0/1665,536COGENT-154-42-16Cogent Communications, LLC (COGC) · USDirect AllocationFeb 5, 1992[email protected]
└ 154.42.6.0/24256EXABYTE-CGNT-NET-1unknown———
└ 154.42.160.0/212,048TALK-STRAIGHT-LTD-CGNT-NET-3Talk Straight Ltd (C10990229) · GBReassignedOct 18, 2024[email protected]
via COGENT-154-42-16

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 provider64,25698%5
Hosting1,2802.0%2

Network & registry

AnnouncementRouting historyRPKI & IRRWhois & abuse
Announced by

Covering announcement 154.40.0.0/13

Prefix
154.40.0.0/13
Announced by
AS174 Cogent Communications, LLC
Type
Internet provider
Proxy exits
18,074
Always-on exits
1,316
RPKI
No RPKI
RIR
ARIN
IPv4 market

Holder

Holder in the market →
Organization
Not stated by the registry
Origin network

AS174

US
Name
Cogent Communications, LLC
Type
Internet provider
Registered
May 16, 1996
Domain
cogentco.com
Website
www.cogentco.com/
Industry
Internet Service Provider (ISP)
Spamhaus ASN-DROP
not listed
VPN servers
1,658