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Data as of Nov 9, 2026

143.137.159.0/24

No anonymizer space · no proxy exits in 30 days

STIW Sistema de Telecom. Inf e Wireless LTDA

Announcement

143.137.158.0/23

RPKI valid

Announced by

Type

Residential

Risk

0 / 100 · Low

Announcements

Less specific

Covering announcements

Prefix	Origin	Type	Proxy exits	RPKI
143.137.156.0/22 since Oct 2015	AS263099	Residential	278 59 always on

Network & registry

Announcement Routing history RPKI & IRR Whois & abuse

Announced by

Covering announcement 143.137.158.0/23

Prefix: 143.137.158.0/23
Announced by: AS263099 STIW Sistema de Telecom. Inf e Wireless LTDA
Type: Residential
Proxy exits: 30
Always-on exits: 8
RPKI: RPKI valid
Netname: 264541
Registrant: STIW Sistema de Telecom. Inf e Wireless LTDA
RIR: LACNIC

Registry

Holder

Organization: Not stated by the registry

Origin network

AS263099

BR

Name: STIW Sistema de Telecom. Inf e Wireless LTDA
Type: Internet provider
Registered: Apr 27, 2012
Domain: bkpnet.com.br
Website: www.bkpnet.com.br
Industry: Internet Service Provider (ISP)
Spamhaus ASN-DROP: not listed

RPKI

Route origin authorizations

ROA prefix	ASN	Max len	Anchor	Verdict
143.137.156.0/22	AS263099	/24	LACNIC	RPKI valid

IRR

Route objects on 143.137.158.0/23

Origin	Registry	Description	Maintainer	Modified
AS263099	RADB		MAINT-AS263099	Apr 18, 2024