AS28631 — Banrisul - Banco do Estado do Rio Grande do Sul

AS28631 announces 1 IPv4 prefixes covering 4,096 addresses and 1 IPv6 prefixes.

About this network

AS28631 is operated by Banrisul - Banco do Estado do Rio Grande do Sul.

What it's used for

• The address space is registered under the netname 73235 for the bank itself, indicating a corporate internal network rather than a public service provider.
• The AS announces a single IPv4 prefix, 201.55.240.0/20 (4096 addresses), and one IPv6 prefix, 2801:80:280::/44.
• With 23 observed neighbours, the ratio of address space to peering partners suggests a standard enterprise connectivity profile, likely connecting to multiple upstreams for redundancy.

Notable

• The RDAP registrant matches the AS holder exactly, confirming direct ownership of the address space.
• Banrisul is the largest bank in Southern Brazil, operating primarily in the state of Rio Grande do Sul.
• The inventory consists of a single contiguous IPv4 block, typical of a corporate estate managed for internal site segmentation.

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

Announced prefixes

• 201.55.240.0/20
• 2801:80:280::/44

Upstream networks

• AS4230 CLARO S.A.
• AS262907 BRASIL TECPAR AMIGO AVATO
• AS6939 Hurricane Electric LLC
• AS24482 SG.GS
• AS25933 Vogel Solucoes em Telecom e Informatica S/A

Adjacent networks

• AS4230 CLARO S.A.
• AS262907 BRASIL TECPAR AMIGO AVATO
• AS6939 Hurricane Electric LLC
• AS24482 SG.GS
• AS25933 Vogel Solucoes em Telecom e Informatica S/A

Internet exchanges

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