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Data as of Nov 5, 2026

204.157.99.0/24

2 residential-proxy exits · 30 days

MZ Net Fibra · space held by Cogent Communications, LLC

Announcement
this exact prefix
No RPKI
Announced by
AS268952
Type
Residential
Risk
0 / 100 · Low

Residential-proxy exits

Proxy exits
2
0.78% of its addresses · 30 days
Providers
8
selling exits here
Oct 6, 2026 – Nov 4, 2026

Exits seen per day

20 observations

Proxy providers listing exits

  • BirdProxies
  • EnigmaProxy
  • GSocks
  • Infatica
  • NodeProxy
  • NovaProxy
  • Proxyma
  • Shifter

Announcements

Less specific

Covering announcements

PrefixOriginTypeProxy exitsHolderRPKI
204.157.0.0/16
since Jun 2005
AS174Internet provider5,347
1,599 always on
Cogent Communications, LLC

Registrations in this block

The registry's network records over the announcement: those covering it, widest first, then every record inside it, under its parent.

RangeAddressesNetnameHolderTypeCreatedAbuse contact
204.157.0.0/1665,536COGENT-204-157-16Cogent Communications, LLC (COGC) · USDirect AllocationSep 21, 1994abuse@cogentco.com
└ 204.157.99.0/24256DMZ-INTERNET-CGNT-NET-3DMZ Internet LTDA - MZ Net Internet Fibra (C09461068) · BRReassignedMay 5, 2023abuse@cogentco.com
via COGENT-204-157-16

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
IPv4 market

Holder

Holder in the market →
Organization
Cogent Communications, LLC
Handle
COGC
Range
204.157.0.0/16
Registration type
Direct Allocation
Record created
Sep 21, 1994
Legacy
yes
Origin network

AS268952

BR
Name
MZ Net Fibra
Type
Internet provider
Registered
May 17, 2019
Domain
mznet.com.br
Website
mznet.com.br/
Industry
Internet Service Provider (ISP)
Spamhaus ASN-DROP
not listed