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Data as of Nov 9, 2026

38.236.136.0/23

No anonymizer space · no proxy exits in 30 days

Cogent Communications, LLC

Announcement
38.236.128.0/19
No RPKI
Announced by
AS174
Type
Unknown
Recent change
New origin Oct 22, 2026
from AS52772 Sjnet Telecomunicacoes - Eireli

Announcements

Less specific

Covering announcements

PrefixOriginTypeLeased fromProxy exitsHolderRPKI
38.0.0.0/8AS174Internet providerIP broker Rackdog (part)401,849
78,907 always on
Cogent Communications, LLC
More specific

Announcements inside

PrefixOriginTypeHolderRPKI
38.236.136.0/24
since Aug 2026
AS174UnknownCogent Communications, LLC
38.236.137.0/24
since Aug 2026
AS174UnknownCogent Communications, LLC

Registrations in this block

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

RangeAddressesNetnameHolderTypeCreatedAbuse contact
38.0.0.0/816,777,216COGENT-ACogent Communications, LLC (COGC) · USDirect AllocationApr 16, 1991abuse@cogentco.com
└ 38.236.128.0/198,192WESLEYMELO-CGNT-NET-1Wesley Melo da Silva Telecomunicacoes (C11616551) · BRReassignedJun 9, 2026abuse@cogentco.com
via COGENT-A

A contact marked “via” is the registry's: the record names none of its own, so the registry hands down its parent's.

Network & registry

AnnouncementRouting historyRPKI & IRRWhois & abuse
Announced by

Covering announcement 38.236.128.0/19

Prefix
38.236.128.0/19
Announced by
AS174 Cogent Communications, LLC
Type
Unknown
RPKI
No RPKI
Netname
WESLEYMELO-CGNT-NET-1
Registrant
Wesley Melo da Silva Telecomunicacoes
RIR
ARIN
IPv4 market

Holder

Holder in the market →
Organization
Cogent Communications, LLC
Handle
COGC
Range
38.0.0.0/8
Registration type
Direct Allocation
Record created
Apr 16, 1991
Legacy
yes
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