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Data as of Nov 5, 2026

154.23.176.0/20

No anonymizer space · no proxy exits in 30 days

Cogent Communications, LLC

Announcement
154.22.0.0/15
No RPKI
Announced by
AS174
Type
Hosting
94% of it

Announcements

Nesting

More-specifics by size

Sized by addresses, colored by each announcement's type. Click a tile with children to zoom in, a leaf to open it.
More specific

Announcements inside

PrefixOriginTypeHolderRPKI
154.23.176.0/24
since Sep 2021
AS140227HostingCogent Communications, LLC
via Starcloud Global Pte. Ltd.
154.23.178.0/24
since Jul 2021
AS140227HostingCogent Communications, LLC
via Starcloud Global Pte. Ltd.
154.23.179.0/24
since Jul 2021
AS140227HostingCogent Communications, LLC
via Starcloud Global Pte. Ltd.
154.23.180.0/24
since Sep 2021
AS140227HostingCogent Communications, LLC
via Starcloud Global Pte. Ltd.
154.23.181.0/24
since Jul 2021
AS140227HostingCogent Communications, LLC
via Starcloud Global Pte. Ltd.
154.23.182.0/24
since Jul 2021
AS140227HostingCogent Communications, LLC
via Starcloud Global Pte. Ltd.
154.23.183.0/24
since Sep 2021
AS140227HostingCogent Communications, LLC
via Starcloud Global Pte. Ltd.
154.23.184.0/24
since Sep 2021
AS140227HostingCogent Communications, LLC
via Starcloud Global Pte. Ltd.
154.23.185.0/24
since Oct 2021
AS140227HostingCogent Communications, LLC
via Starcloud Global Pte. Ltd.
154.23.186.0/24
since Oct 2021
AS140227HostingCogent Communications, LLC
via Starcloud Global Pte. Ltd.
154.23.187.0/24
since Mar 2022
AS140227HostingCogent Communications, LLC
via Starcloud Global Pte. Ltd.
154.23.188.0/24
since Dec 2025
AS140227HostingCogent Communications, LLC
via Starcloud Global Pte. Ltd.
154.23.189.0/24
since Jan 2026
AS140227HostingCogent Communications, LLC
via Starcloud Global Pte. Ltd.
154.23.190.0/24
since Dec 2025
AS140227HostingCogent Communications, LLC
via Starcloud Global Pte. Ltd.
154.23.191.0/24
since Dec 2025
AS140227HostingCogent Communications, LLC
via Starcloud Global Pte. Ltd.

Registrations in this block

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

RangeAddressesNetnameHolderTypeCreatedAbuse contact
154.23.0.0/1665,536COGENT-154-23-16Cogent Communications, LLC (COGC) · USDirect AllocationFeb 5, 1992abuse@cogentco.com
└ 154.23.128.0/1732,768STARCLOUD-GLOBAL-CGNT-NET-8Starcloud Global Pte. Ltd. (SGPL-10) · SGReallocatedAug 31, 2023abuse@nebulaglobal.net

Composition

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

Announced space

Address share

Announced space

Types across the prefix

4,096 addresses
TypeAddressesShareRanges
Hosting3,84094%15
Internet provider2566.3%1

Network & registry

AnnouncementRouting historyRPKI & IRRWhois & abuse
Announced by

Covering announcement 154.22.0.0/15

Prefix
154.22.0.0/15
Announced by
AS174 Cogent Communications, LLC
Type
Internet provider
Proxy exits
10,239
Always-on exits
236
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