Data as of Nov 9, 2026

38.15.128.0/19

Anonymizer · Datacenter proxy

Cogent Communications, LLC

Announcement
No RPKI
Announced by
Type
Datacenter proxy
IPv4 market

Path

1 · Holder
record created Apr 16, 1991
2 · Leased from
its owner, directly
3 · Announced by
AS174 Cogent Communications, LLC
4 · Use
Datacenter proxy
anonymizer space, operator not named

Operators, sellers and brokers

Leased from

Owners leasing their own space

NameIn 38.15.128.0/19/24s
Cogent Communications, LLC
8,192100%
32

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

PrefixOriginTypeAnonymizer addressesHolderRPKI
38.15.128.0/20
since Aug 2021
AS55286Datacenter proxy1,53638%Cogent Communications, LLC
via B2 Net Solutions Inc.
38.15.130.0/23
since Sep 2025
AS55286Datacenter proxyCogent Communications, LLC
via B2 Net Solutions Inc.
38.15.136.0/22
since Sep 2025
AS55286Datacenter proxyCogent Communications, LLC
via B2 Net Solutions Inc.
38.15.140.0/24
since Sep 2025
AS55286Datacenter proxyCogent Communications, LLC
via B2 Net Solutions Inc.
38.15.141.0/24
since Dec 2024
AS55286Datacenter proxyCogent Communications, LLC
via B2 Net Solutions Inc.
38.15.142.0/23
since Sep 2025
AS55286Datacenter proxyCogent Communications, LLC
via B2 Net Solutions Inc.
38.15.144.0/21
since Oct 2021
AS55286Datacenter proxy1,53675%Cogent Communications, LLC
via B2 Net Solutions Inc.
38.15.144.0/24
since Oct 2025
AS55286Datacenter proxyCogent Communications, LLC
via B2 Net Solutions Inc.
38.15.145.0/24
since Oct 2025
AS55286Datacenter proxyCogent Communications, LLC
via B2 Net Solutions Inc.
38.15.152.0/22
since Dec 2021
AS55286Datacenter proxyCogent Communications, LLC
via B2 Net Solutions Inc.
38.15.156.0/23
since Apr 2022
AS55286Datacenter proxyCogent Communications, LLC
via B2 Net Solutions Inc.
38.15.156.0/24
since Oct 2025
AS55286Datacenter proxyCogent Communications, LLC
via B2 Net Solutions Inc.
38.15.157.0/24
since Oct 2025
AS55286Datacenter proxyCogent Communications, LLC
via B2 Net Solutions Inc.
38.15.158.0/23
since Sep 2025
AS55286Datacenter proxy25650%Cogent Communications, LLC
via B2 Net Solutions Inc.
38.15.158.0/24
since Sep 2025
AS55286Datacenter proxyCogent Communications, LLC
via B2 Net Solutions 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
Anonymizer addresses
62,470 addresses · 0.37%ISP proxyDatacenter proxyVPN
Operator
Proxy providerssold by Oxylabs, QuarkIP, HypeProxy, Novada, MyPrivateProxyVPN servicesoperated by Windscribe, VPN Gate
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