AS28166 — AS28166 - Telecom South America Ltda

Network type: residential

AS28166 announces 3 IPv4 prefixes covering 40,960 addresses and 1 IPv6 prefixes.

About this network

AS28166 is operated by Telecom South America Ltda.

What it's used for

• The address space carries residential and business connectivity, evidenced by reverse DNS entries such as BB3F87FF.bbw-dist1-spo2.tesa.net.br and BB3F8BFE.static.wtctelecom.com.br.
• The AS announces 40,960 IPv4 addresses across 37 prefixes and 1 IPv6 prefix, with 29 observed neighbours, a ratio consistent with a regional access provider.

Notable

• All sampled registrants match the announcer, identified as Telecom South America Ltda.
• The inventory is dominated by the 177.46.0.0/16 range, with smaller blocks in 187.63.0.0/16 and 200.236.0.0/16.

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

Announced prefixes

• 177.46.128.0/17
• 187.63.128.0/20
• 200.236.208.0/20
• 2804:61c::/32

Upstream networks

• AS14840 BR.Digital Telecom
• AS6939 Hurricane Electric LLC
• AS24482 SG.GS
• AS37721 Virtual Technologies & Solutions
• AS35280 F5 Networks SARL
• AS52863 UPX TECNOLOGIA LTDA

Adjacent networks

• AS14840 BR.Digital Telecom
• AS6939 Hurricane Electric LLC
• AS24482 SG.GS
• AS37721 Virtual Technologies & Solutions
• AS35280 F5 Networks SARL
• AS52863 UPX TECNOLOGIA LTDA

Routing security

• RPKI: 0 valid, 0 invalid and 76 not-found announcements; 0 ROAs.
• ASPA: none published.
• IRR: 28% of announcements registered; 38 route objects.
• Listed in as-sets: AS-ADYLNET-CUSTOMERS, AS-CTBC-CUSTOMERS55, AS-CTBC-TOOLS-1, AS-DURAND1-CUSTOMER, AS-EMBRATELNET, AS-SB-AUTOMATION-CUSTOMER, AS-TESA, AS-UFINET-LATAM-BRASIL, AS-UFLA-TRANSCUST, AS-UOL-TRANSIT, AS14840:AS-CUSTOMERS-01, AS53013:AS-CONE.

Internet exchanges

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