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Data as of Nov 6, 2026

154.19.128.0/19

No anonymizer space · no proxy exits in 30 days

Cogent Communications, LLC

Announcement
154.18.0.0/15
No RPKI
Announced by
AS174
Type
Hosting
69% 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

Arrived
PrefixOriginTypeHolderRPKI
154.19.128.0/24
since Sep 2022
AS148990UnknownCogent Communications, LLC
154.19.129.0/24
since Oct 2022
AS147060UnknownCogent Communications, LLC
154.19.130.0/24
since Sep 2022
AS148990UnknownCogent Communications, LLC
154.19.131.0/24
since Oct 2022
AS148987HostingCogent Communications, LLC
154.19.132.0/24
since Mar 2024
AS147060UnknownCogent Communications, LLC
154.19.133.0/24
since Sep 2022
AS148990UnknownCogent Communications, LLC
154.19.134.0/24
since Sep 2022
AS148990UnknownCogent Communications, LLC
154.19.135.0/24
since Sep 2023
AS147060UnknownCogent Communications, LLC
154.19.136.0/24
since Sep 2022
AS148990UnknownCogent Communications, LLC
154.19.137.0/24
since Oct 2022
AS148987HostingCogent Communications, LLC
154.19.138.0/24
since Sep 2023
AS147060UnknownCogent Communications, LLC
154.19.139.0/24
since Sep 2022
AS148990UnknownCogent Communications, LLC
154.19.140.0/24
since Sep 2022
AS148990UnknownCogent Communications, LLC
154.19.141.0/24
since Oct 2022
AS147060UnknownCogent Communications, LLC
154.19.142.0/24
since Sep 2022
AS148990UnknownCogent Communications, LLC
154.19.143.0/24
since Sep 2022
AS148990UnknownCogent Communications, LLC
154.19.144.0/24
since Dec 2022
AS147060UnknownCogent Communications, LLC
154.19.145.0/24
since Oct 2022
AS148987HostingCogent Communications, LLC
154.19.146.0/24
since Sep 2022
AS148990UnknownCogent Communications, LLC
154.19.147.0/24
since Jul 2023
AS147060UnknownCogent Communications, LLC
154.19.148.0/24
since Oct 2022
AS148987HostingCogent Communications, LLC
154.19.149.0/24
since Oct 2022
AS148987HostingCogent Communications, LLC
154.19.150.0/24
since Jul 2023
AS147060UnknownCogent Communications, LLC
154.19.151.0/24
since Sep 2022
AS148990UnknownCogent Communications, LLC
154.19.152.0/24
since Oct 2022
AS148987HostingCogent Communications, LLC
154.19.153.0/24
since Jul 2023
AS147060UnknownCogent Communications, LLC
154.19.154.0/24
since Oct 2022
AS148987HostingCogent Communications, LLC
154.19.155.0/24
since Oct 2022
AS148987HostingCogent Communications, LLC
154.19.156.0/24
since Sep 2022
AS135596UnknownCogent Communications, LLC
154.19.157.0/24
since Sep 2022
AS148990UnknownCogent Communications, LLC
154.19.158.0/24
since Dec 2022
AS147060UnknownCogent Communications, LLC
154.19.159.0/24
since Apr 2023
AS135596UnknownCogent Communications, LLC

Registrations in this block

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

RangeAddressesNetnameHolderTypeCreatedAbuse contact
154.19.0.0/1665,536COGENT-154-19-16Cogent Communications, LLC (COGC) · USDirect AllocationFeb 5, 1992abuse@cogentco.com

Composition

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

Announced space

Address share

Announced space

Types across the prefix

8,192 addresses
TypeAddressesShareRanges
Hosting5,63269%22
Unknown2,56031%10

Network & registry

AnnouncementRouting historyRPKI & IRRWhois & abuse
Announced by

Covering announcement 154.18.0.0/15

Prefix
154.18.0.0/15
Announced by
AS174 Cogent Communications, LLC
Type
Internet provider
Proxy exits
877
Always-on exits
177
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