ASN Lookup Tool

Banco Santander Brasil S.A. BR BR 17 Routes

AS Data

AS28581

AS28581 – Banco Santander Brasil S.A.

AS Number 28581
AS Name
Organization Banco Santander Brasil S.A.()
Country BR
Number of IPv4 Routes 17
Number of IPv6 Routes 0
ASN type BUSINESS
Registry lacnic
Date Allocated 2004-08-04

ASN Intelligence API for production workflows

Use ASN data for AS28581 in automation: routing intelligence, peering analysis, ownership checks, and network observability.

Access complete peers, upstreams, downstreams, routes, WHOIS, and contact intelligence via our API. Learn more

Get ASN API Key ASN API Docs

IP Ranges

Route # IPs
200.220.178.0/24 256
200.220.184.0/24 256
200.220.186.0/24 256
200.220.189.0/24 256
200.220.188.0/24 256
200.220.176.0/20 4096
200.220.183.0/24 256
200.220.190.0/24 256
200.220.177.0/24 256
200.220.181.0/24 256

Raw Whois Response

% Copyright (c) Nic.br - Use of this data is governed by the Use and
% Privacy Policy at https://registro.br/upp . Distribution,
% commercialization, reproduction, and use for advertising or similar
% purposes are expressly prohibited.
% 2026-03-16T09:25:56-03:00 - 119.13.219.150

aut-num:     AS28581
owner:       Banco Santander (Brasil) S.A.
responsible: Suporte Internet
owner-c:     MAMGA18
routing-c:   LCP3
abuse-c:     LCP3
created:     20040804
changed:     20151028
inetnum:     200.220.176.0/20
inetnum:     2804:1f14::/32

nic-hdl-br:  MAMGA18
person:      Marcos Martins Galuzzi
created:     20090312
changed:     20250120

nic-hdl-br:  LCP3
person:      Responsavel pela INTERNET BANESPA
created:     19971223
changed:     20160905

% Security and mail abuse issues should also be addressed to cert.br,
% respectivelly to cert@cert.br and mail-abuse@cert.br
%
% whois.registro.br only accepts exact match queries for domains,
% registrants, contacts, tickets, providers, IPs, and ASNs.

Parsed Whois Response

Peers

AS Number Description Country
AS10429 TELEFÔNICA BRASIL S.A BR
AS10429 TELEF�NICA BRASIL S.A BR
AS18881 TELEFÔNICA BRASIL S.A BR
AS4230 CLARO S.A. BR

Upstreams

AS Number Description Country
AS10429 TELEF�NICA BRASIL S.A BR
AS4230 CLARO S.A. BR

Ready to get started?Get Started with IP Intelligence API Today

Get Started
CTA Illustration

Frequently Asked Questions

ASN AS28581 is an Autonomous System Number used to identify a network for BGP internet routing.
AS28581 is listed under Banco Santander Brasil S.A..
Peers are lateral network interconnections, upstreams are transit providers, and downstreams are customer networks receiving connectivity.
Routes and IP ranges are the network prefixes announced by the ASN on the internet and show the address space it originates.
WHOIS provides registration and contact context for ASN ownership, administration, and operational reference.
This page previews large ASN datasets. Use See more to load additional rows, and upgrade your plan to view complete peer, route, upstream, and downstream data.