ASN Lookup Tool

S1 Telecomunicações e Sistemas de Informação LTDA BR BR 14 Routes

AS Data

AS265181

AS265181 – S1 Telecomunicações e Sistemas de Informação LTDA

AS Number 265181
AS Name
Organization S1 Telecomunicações e Sistemas de Informação LTDA
Country BR
Number of IPv4 Routes 14
Number of IPv6 Routes 0
ASN type ISP
Registry lacnic
Date Allocated 2015-12-03

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Use ASN data for AS265181 in automation: routing intelligence, peering analysis, ownership checks, and network observability.

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IP Ranges

Route # IPs
170.233.39.0/24 256
170.233.36.0/23 512
167.249.135.0/24 256
167.249.134.0/23 512
167.249.132.0/23 512
170.233.37.0/24 256
170.233.36.0/24 256
167.249.133.0/24 256
167.249.132.0/22 1024
170.233.38.0/23 512

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.
% 2026-04-25T09:23:36-03:00 - 134.199.67.255

aut-num:     AS265181
owner:       S1 Telecomunica��es e Sistemas de Informa��o LTDA
responsible: ROGERIO DA SILVA SOUZA
owner-c:     ROSSO915
routing-c:   ROSSO915
abuse-c:     ROSSO915
created:     20151203
changed:     20240109
inetnum:     167.249.132.0/22
inetnum:     2804:2bdc::/32
inetnum:     170.233.36.0/22

nic-hdl-br:  ROSSO915
person:      Rogerio da Silva Souza
created:     20230817
changed:     20260316

% 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
AS265393 FIRENET SERVIÇOS DE TELECOMUNICAÇÕES LTDA BR

Upstreams

AS Number Description Country
AS265393 FIRENET SERVIÇOS DE TELECOMUNICAÇÕES LTDA BR

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Frequently Asked Questions

ASN AS265181 is an Autonomous System Number used to identify a network for BGP internet routing.
AS265181 is listed under S1 Telecomunicações e Sistemas de Informação LTDA.
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.