AS52566 — AS52566 - SISALWEB INTERNET

Network type: residential

AS52566 announces 3 IPv4 prefixes covering 3,072 addresses and 1 IPv6 prefixes.

About this network

SISALWEB INTERNET is the AS handle for Sisalweb Internet, a regional internet service provider based in Bahia, Brazil.

What it's used for

• The address space carries residential and small business subscriber traffic, evidenced by reverse DNS entries pointing to sisalweb.net.br and the operator's provision of fiber optic, cable, and radio link services.
• The network announces 3072 IPv4 addresses across 3 prefixes and 1 IPv6 prefix, while maintaining 23 observed neighbours; this ratio of modest address inventory against a moderate peer count indicates an access network rather than a transit provider.
• Traffic from this AS consists of end-user internet access for individuals and local businesses in the Conceição do Coité region, utilizing the operator's fiber and cable infrastructure.

Notable

• All registrants for the announced prefixes (131.221.72.0/22, 143.202.176.0/22, 177.86.24.0/22) are listed as SISALWEB INTERNET, matching the AS holder.
• The address inventory is composed of three distinct /22 blocks, each with a unique netname (240371, 266234, 198501), reflecting a segmented corporate estate for different service tiers or acquisition phases.

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

Announced prefixes

• 131.221.72.0/22
• 143.202.176.0/22
• 177.86.24.0/22
• 2804:1e00::/32

Upstream networks

• AS61568 ALOO TELECOM - FSF TECNOLOGIA SA
• AS52873 Softdados Telecomunicacoes
• AS24482 SG.GS

Downstream networks

• AS267659 CONEXXUS SERVICO DE INFORMATICA
• AS28606 FSOnline Internet

Adjacent networks

• AS61568 ALOO TELECOM - FSF TECNOLOGIA SA
• AS267659 CONEXXUS SERVICO DE INFORMATICA
• AS52873 Softdados Telecomunicacoes
• AS28606 FSOnline Internet
• AS24482 SG.GS

Routing security

• RPKI: 4 valid, 0 invalid and 0 not-found announcements; 4 ROAs.
• ASPA: none published.
• IRR: 100% of announcements registered; 24 route objects.
• Listed in as-sets: AS-53427-TGLOBAL, AS-53427-TGN, AS-7738-BGP-CUSTOMERS, AS-7738_CUSTOMERS, AS-AS61758, AS-CTBC-CUSTOMERS147, AS-CTBC-CUSTOMERS181, AS-CTBC-TOOLS-1, AS-FORTEL-CUSTOMERS, AS-GC-CUSTOMERS, AS-GNT-CUSTOMERS, AS-HURRICANEV6, AS-ITSBRASIL-CUSTOMER, AS-MOB-CUSTOMER-AS52720, AS-MOB-CUSTOMER-AS61832, AS-ROCKETNETWORK-TOOLS, AS-TELY, AS-TELY-TRANSIT:AS-CUSTOMERS, AS-UFINET-LATAM-BRASIL, AS14840:AS-CUSTOMERS-03, AS262468:AS-CUSTOMERS, AS274830:AS-CUSTOMERS, AS28606:AS-TRANSIT, AS3491:AS-CUSTOMERS-NA, AS52320:AS-CUSTOMERS.

Internet exchanges

• IX.br (PTT.br) São Paulo — São Paulo, Brazil
• IX.br (PTT.br) Fortaleza — Fortaleza, Brazil
• IX.br (PTT.br) Salvador — Salvador, Brazil
• IX.br (PTT.br) Feira de Santana — Feira De Santana, Brazil