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AS266960 Banco Santander Brasil S.A.

Q: Why is WHOIS data shown for an ASN?

WHOIS data provides registration and contact context for ASN ownership, administration, and operational reference.

ASN Lookup Tool

Banco Santander Brasil S.A.

BR 3 Routes

AS Data

AS266960

AS266960 – Banco Santander Brasil S.A.

AS Number	266960
AS Name
Organization	Banco Santander Brasil S.A.()
Country	BR
Number of IPv4 Routes	3
Number of IPv6 Routes	0
ASN type	BUSINESS
Registry	lacnic
Date Allocated	2017-10-31

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Use ASN data for AS266960 in automation: routing intelligence, peering analysis, ownership checks, and network observability.

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IP Ranges

Route	Origin	Origin Name	ISP	# IPs
45.225.154.0/24	AS266960	Banco Santander Brasil S.A.	Banco Santander (Brasil) S.A.	256
45.225.155.0/24	AS266960	Banco Santander Brasil S.A.	Banco Santander (Brasil) S.A.	256
45.225.154.0/23	AS266960	Banco Santander Brasil S.A.	Banco Santander (Brasil) S.A.	512

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.
% 2026-03-15T09:24:25-03:00 - 195.133.208.86

aut-num:     AS266960
owner:       Banco Santander (Brasil) S.A.
responsible: Suporte Internet
owner-c:     MAMGA18
routing-c:   BBCSA2
abuse-c:     BBCSA2
created:     20171031
changed:     20240102
inetnum:     45.225.154.0/23
inetnum:     2801:80:2280::/47

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

nic-hdl-br:  BBCSA2
person:      Banco Bonsucesso Consignado S.A.
created:     20150206
changed:     20171010

% 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
AS266904	ALCIVAR ESPIN DANNY ALEXANDER OptiCom	EC
AS10429	TELEFÔNICA BRASIL S.A	BR
AS266904	ALCIVAR ESPIN DANNY ALEXANDER (OptiCom)	EC
AS10429	TELEF�NICA BRASIL S.A	BR
AS18881	TELEFÔNICA BRASIL S.A	BR
AS4230	CLARO S.A.	BR

Upstreams

AS Number	Description	Country
AS266904	ALCIVAR ESPIN DANNY ALEXANDER OptiCom	EC
AS10429	TELEF�NICA BRASIL S.A	BR
AS4230	CLARO S.A.	BR

Downstreams

AS Number	Description	Country
AS266904	ALCIVAR ESPIN DANNY ALEXANDER OptiCom	EC

Frequently Asked Questions

What is ASN AS266960?

ASN AS266960 is an Autonomous System Number used to identify a network for BGP internet routing.

Who manages ASN AS266960?

AS266960 is listed under Banco Santander Brasil S.A..

What do peers, upstreams, and downstreams mean?

Peers are lateral network interconnections, upstreams are transit providers, and downstreams are customer networks receiving connectivity.

What are routes and IP ranges for an ASN?

Routes and IP ranges are the network prefixes announced by the ASN on the internet and show the address space it originates.

Why is WHOIS data included here?

WHOIS provides registration and contact context for ASN ownership, administration, and operational reference.

How can I access full ASN table data?

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.