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Data as of Nov 3, 2026

154.31.0.0/18

No anonymizer space · no proxy exits in 30 days

Cogent Communications, LLC

Announcement
154.24.0.0/13
No RPKI
Announced by
AS174
Type
Internet provider
98% of it
IPv4 market

Path

1 · Holder
Unnamed holder
2 · Leased from
Aventice
3 · Announced by
AS174 Cogent Communications, LLC
since Sep 2006 · 20.1 yr ago
4 · Use
Internet provider

Announcements

More specific

Announcements inside

PrefixOriginTypeHolderRPKI
154.31.20.0/24
since Sep 18, 2026
AS141159HostingCogent Communications, LLC

Registrations in this block

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

RangeAddressesNetnameHolderTypeCreatedAbuse contact
154.31.0.0/1665,536COGENT-154-31-16Cogent Communications, LLC (COGC) · USDirect AllocationFeb 5, 1992[email protected]
└ 154.31.0.0/1816,384TELE90-CGNT-NET-1TELE90 Cloud GmbH (C11630736) · DEReassignedJun 23, 2026[email protected]
via COGENT-154-31-16

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

16,384 addresses
TypeAddressesShareRanges
Internet provider16,12898%2
Hosting2561.6%1

Network & registry

AnnouncementRouting historyRPKI & IRRWhois & abuse
Announced by

Covering announcement 154.24.0.0/13

Prefix
154.24.0.0/13
Announced by
AS174 Cogent Communications, LLC
Type
Internet provider
Leased from
IP broker Aventice (part)
Proxy exits
2,796
Always-on exits
1,334
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