Data as of Nov 4, 2026

38.175.0.0/19

No anonymizer space · no proxy exits in 30 days

Cogent Communications, LLC

Announcement
No RPKI
Announced by
Type
Hosting
78% of it
IPv4 market

Path

1 · Holder
record created Apr 16, 1991
2 · Leased from
3 · Announced by
AS174 Cogent Communications, LLC
4 · Use
Hosting

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
38.175.0.0/22
since Nov 2025
AS150161HostingCogent Communications, LLC
38.175.0.0/24
since Nov 2025
AS150161HostingCogent Communications, LLC
38.175.1.0/24
since Nov 2025
AS150161HostingCogent Communications, LLC
38.175.2.0/24
since Nov 2025
AS150161HostingCogent Communications, LLC
38.175.3.0/24
since Nov 2025
AS150161HostingCogent Communications, LLC
38.175.4.0/22
since Nov 2025
AS150161HostingCogent Communications, LLC
38.175.4.0/24
since Nov 2025
AS150161HostingCogent Communications, LLC
38.175.5.0/24
since Nov 2025
AS150161HostingCogent Communications, LLC
38.175.6.0/24
since Nov 2025
AS150161HostingCogent Communications, LLC
38.175.7.0/24
since Nov 2025
AS150161HostingCogent Communications, LLC
38.175.8.0/24
since Jan 2026
AS150161HostingCogent Communications, LLC
38.175.9.0/24
since Jan 2026
AS150161HostingCogent Communications, LLC
38.175.10.0/24
since Jan 2026
AS150161HostingCogent Communications, LLC
38.175.16.0/22
since Nov 2025
AS150161HostingCogent Communications, LLC
38.175.16.0/24
since Nov 2025
AS150161HostingCogent Communications, LLC
38.175.17.0/24
since Nov 2025
AS150161HostingCogent Communications, LLC
38.175.18.0/24
since Nov 2025
AS150161HostingCogent Communications, LLC
38.175.20.0/24
since Nov 2025
AS150161HostingCogent Communications, LLC
38.175.21.0/24
since Jan 2026
AS150161HostingCogent Communications, LLC
38.175.22.0/23
since Jan 2026
AS150161HostingCogent Communications, LLC
38.175.22.0/24
since Jan 2026
AS150161HostingCogent Communications, LLC
38.175.23.0/24
since Jan 2026
AS150161HostingCogent Communications, LLC
38.175.24.0/22
since Jan 2026
AS150161HostingCogent Communications, LLC
38.175.24.0/24
since Jan 2026
AS150161HostingCogent Communications, LLC
38.175.25.0/24
since Jan 2026
AS150161HostingCogent Communications, LLC
38.175.26.0/24
since Jan 2026
AS150161HostingCogent Communications, LLC
38.175.27.0/24
since Jan 2026
AS150161HostingCogent Communications, LLC
38.175.28.0/24
since Jan 2026
AS150161HostingCogent Communications, LLC
38.175.29.0/24
since Jan 2026
AS150161HostingCogent Communications, LLC

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
Hosting6,40078%25
Internet provider1,79222%2

Network & registry

Announced by

Covering announcement 38.0.0.0/8

Prefix
38.0.0.0/8
Announced by
AS174 Cogent Communications, LLC
Type
Internet provider
Leased from
IP broker Rackdog (part)
Proxy exits
409,050
Always-on exits
77,435
RPKI
No RPKI
Netname
COGENT-A
Registrant
Cogent Communications, LLC
RIR
ARIN
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