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Data as of Nov 3, 2026

38.131.136.0/21

No anonymizer space · no proxy exits in 30 days

Cogent Communications, LLC

Announcement
38.0.0.0/8
No RPKI
Announced by
AS174
Type
Internet provider
75% of it
IPv4 market

Path

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

Announcements

More specific

Announcements inside

PrefixOriginTypeRPKI
38.131.141.0/24
since Sep 2021
AS7029Residential
38.131.142.0/24
since Sep 2021
AS7029Residential

Composition

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

Announced space

Address share

Announced space

Types across the prefix

2,048 addresses
TypeAddressesShareRanges
Internet provider1,53675%2
Residential51225%2

Network & registry

AnnouncementRouting historyRPKI & IRRWhois & abuse
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
410,116
Always-on exits
76,889
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