Data as of Nov 14, 2026

154.42.0.0/16

No anonymizer space · no proxy exits in 30 days

Cogent Communications, LLC

Announcement
No RPKI
Announced by
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, 1992abuse@cogentco.com
└ 154.42.6.0/24256EXABYTE-CGNT-NET-1unknown———
└ 154.42.160.0/212,048TALK-STRAIGHT-LTD-CGNT-NET-3Talk Straight Ltd (C10990229) · GBReassignedOct 18, 2024abuse@cogentco.com
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

Routing timeline

Who has announced 154.40.0.0/13

154.40.0.0/13

Routing history

Pattern
Stable
First seen
Sep 2006
Current origin since
Sep 2006 · 20 yr
Origin networks
1