Data as of Nov 9, 2026

38.12.128.0/17

No anonymizer space · no proxy exits in 30 days

Cogent Communications, LLC

Announcement
No RPKI
Announced by
Type
Hosting
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
38.12.128.0/18
since Jan 2024
AS54600HostingCogent Communications, LLC
via PEG Tech Inc
38.12.177.0/24
since Nov 4, 2026
AS54600HostingCogent Communications, LLC
via PEG Tech Inc
38.12.178.0/24
since Nov 4, 2026
AS54600HostingCogent Communications, LLC
via PEG Tech Inc
38.12.192.0/19
since Jan 2024
AS398823HostingCogent Communications, LLC
via PEG Tech Inc
38.12.192.0/22
since May 2026
AS398478HostingCogent Communications, LLC
via PEG Tech Inc
38.12.201.0/24
since May 2026
AS398478HostingCogent Communications, LLC
via PEG Tech Inc
38.12.209.0/24
since Sep 2026
AS398993HostingCogent Communications, LLC
via PEG Tech Inc
38.12.210.0/23
since May 2026
AS398478HostingCogent Communications, LLC
via PEG Tech Inc
38.12.224.0/24
since Jul 2025
AS151609HostingCogent Communications, LLC
via PEG Tech Inc
38.12.225.0/24
since Jul 2025
AS151609HostingCogent Communications, LLC
via PEG Tech Inc
38.12.226.0/24
since Jul 2025
AS151609HostingCogent Communications, LLC
via PEG Tech Inc
38.12.227.0/24
since Jul 2025
AS151609HostingCogent Communications, LLC
via PEG Tech Inc
38.12.228.0/24
since Jul 2025
AS151609HostingCogent Communications, LLC
via PEG Tech Inc
38.12.229.0/24
since Jul 2025
AS151609HostingCogent Communications, LLC
via PEG Tech Inc
38.12.230.0/24
since Jul 2025
AS151609HostingCogent Communications, LLC
via PEG Tech Inc
38.12.231.0/24
since Jul 2025
AS151609HostingCogent Communications, LLC
via PEG Tech Inc
38.12.232.0/21
since Sep 2024
AS54600HostingCogent Communications, LLC
via PEG Tech Inc
38.12.240.0/21
since Oct 2024
AS398823HostingCogent Communications, LLC
via PEG Tech Inc
38.12.248.0/24
since Jul 2024
AS151630HostingCogent Communications, LLC
via PEG Tech Inc
38.12.249.0/24
since Aug 2026
AS151630HostingCogent Communications, LLC
via PEG Tech Inc
38.12.250.0/24
since Jul 2024
AS151630HostingCogent Communications, LLC
via PEG Tech Inc
38.12.251.0/24
since Jul 2024
AS151630HostingCogent Communications, LLC
via PEG Tech Inc
38.12.252.0/24
since Jul 2024
AS151630HostingCogent Communications, LLC
via PEG Tech Inc
38.12.253.0/24
since Jul 2024
AS151630HostingCogent Communications, LLC
via PEG Tech Inc
38.12.254.0/24
since Jul 2024
AS151630HostingCogent Communications, LLC
via PEG Tech Inc
38.12.255.0/24
since Jul 2024
AS151630HostingCogent Communications, LLC
via PEG Tech Inc

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
401,849
Always-on exits
78,907
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
1,623