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Data as of Nov 5, 2026

187.31.28.0/22

512 anonymizer addresses · 50% · ISP proxy

Oi S.A. - Em Recuperacao Judicial

Announcement
187.31.0.0/16
No RPKI
Announced by
AS14571
Type
ISP proxy
50% of it
Recent change
New origin Jun 2026
from AS29987 Sinfony6, LLC
IPv4 market

Path

Announced by AS14571 since Jun 2026 · 4 mo ago
1 · Holder
none on record
2 · Leased from
not leased
3 · Announced by
AS14571 Oi S.A. - Em Recuperacao Judicial
since Jun 2026 · 4 mo ago
4 · Use
Proxy providersnamed Nox Proxy, Oxylabs
ISP proxy

Operators, sellers and brokers

Proxy providers

NameParentIn 187.31.28.0/22/24s
Nox Proxy
51250%
2
OxylabsTesonet
25625%
1

Announcements

More specific

Announcements inside

PrefixOriginTypeOperatorRPKI
187.31.30.0/24
since May 2026
AS14571ISP proxyProxy providerssold by Nox Proxy
187.31.31.0/24
since Jun 2026
AS14571ISP proxyProxy providerssold by Nox Proxy, Oxylabs

Registrations in this block

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

RangeAddressesNetnameHolderTypeCreatedAbuse contact
187.31.28.0/221,024558366Oi S.A. - Em Recuperação Judicial (76535764000143)allocatedDec 12, 2008abuse@oi.net.br

Composition

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

Announced space

Address share

Announced space

Types across the prefix

1,024 addresses
TypeAddressesShareRanges
ISP proxyanonymizer51250%2
Residential51250%1

Network & registry

AnnouncementRouting historyRPKI & IRRWhois & abuse
Announced by

Covering announcement 187.31.0.0/16

Prefix
187.31.0.0/16
Announced by
AS14571 Oi S.A. - Em Recuperacao Judicial
Type
Residential
Anonymizer addresses
none
Proxy exits
6
RPKI
No RPKI
RIR
LACNIC
Origin network

AS14571

BR
Name
Oi S.A. - Em Recuperacao Judicial
Type
Internet provider
Registered
Jan 13, 2000
Domain
oi.com.br
Industry
Computer and Information Technology
Spamhaus ASN-DROP
not listed