AS28187 — AS28187 - Stratus Telecomunicacoes Ltda

Network type: residential

AS28187 announces 3 IPv4 prefixes covering 9,216 addresses and 1 IPv6 prefixes.

About this network

AS28187 is operated by Stratus Telecomunicações Ltda, a regional cable and DSL provider in Brazil.

What it's used for

• The address space carries residential and business access traffic, evidenced by reverse DNS entries pointing to as28187.mg.stratus.com.br across all sampled prefixes.
• The AS announces 9,216 IPv4 addresses across 10 prefixes and 1 IPv6 prefix, while maintaining 26 observed routing neighbours; this ratio of moderate address space to a significant number of peers suggests a regional access network with multiple upstream transit relationships.

Notable

• All RDAP registrants for the announced prefixes are listed as Stratus Telecomunicacoes Ltda, matching the AS holder name exactly.
• The inventory is dominated by the 187.60.128.0/21 block, which is subdivided into nine smaller prefixes ranging from /22 to /24, alongside a single /20 and /22 block in other ranges.

This description is AI-generated, best-effort context — not authoritative, and provided without any guarantee of accuracy.

Announced prefixes

• 138.185.168.0/22
• 187.60.128.0/20
• 189.89.208.0/20
• 2804:200::/32

Upstream networks

• AS13786 Seabras 1 USA, LLC
• AS263444 Open X Tecnologia Ltda
• AS52780 MAP Piumhi Ltda - ME
• AS24482 SG.GS
• AS267613 ELETRONET S.A.

Downstream networks

• AS268327 K@NET PROVEDOR DE INTERNET

Adjacent networks

• AS13786 Seabras 1 USA, LLC
• AS268327 K@NET PROVEDOR DE INTERNET
• AS263444 Open X Tecnologia Ltda
• AS52780 MAP Piumhi Ltda - ME
• AS24482 SG.GS
• AS267613 ELETRONET S.A.

Routing security

• RPKI: 27 valid, 0 invalid and 0 not-found announcements; 4 ROAs.
• ASPA: none published.
• IRR: 93% of announcements registered; 81 route objects.
• Listed in as-sets: AS-267613, AS-CTBC-CUSTOMERS114, AS-CTBC-TOOLS-1, AS-DURAND1-CUSTOMER, AS-E1-AUTOMATION-CUSTOMER, AS-EMBRATELNET, AS-HURRICANEV6, AS-HWNG-DOWNSTREAMS, AS-OPENX-CUSTOMERS, AS-SEABONECUSTLA, AS-STRATUS-BR, AS-STRATUSTELECOM, AS-UFINET-LATAM-BRASIL, AS53013:AS-CONE.

Internet exchanges

• IX.br (PTT.br) São Paulo — São Paulo, Brazil