ASN Lookup Tool

MAST TELECOMUNICACOES E INFORMATICA LTDA masttelecom.net.br BR BR 22 Routes

AS Data

AS263920

AS263920 – MAST TELECOMUNICACOES E INFORMATICA LTDA

AS Number 263920
AS Name 12.640.121/0001-87
Organization MAST TELECOMUNICACOES E INFORMATICA LTDA()
Country BR
Website masttelecom.net.br
Number of IPv4 Routes 7
Number of IPv6 Routes 15
ASN type ISP
Registry lacnic
Date Allocated 2015-08-12

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Use ASN data for AS263920 in automation: routing intelligence, peering analysis, ownership checks, and network observability.

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IP Ranges

Route # IPs
2804:27c0::/34 ~20×10²⁷
138.185.240.0/24 256
138.185.242.0/23 512
2804:27c0:2000::/35 ~1×10³⁰
2804:27c0:e000::/35 ~1×10³⁰
2804:27c0::/33 ~40×10²⁷
2804:27c0:8000::/35 ~1×10³⁰
138.185.242.0/24 256
2804:27c0:c000::/34 ~20×10²⁷
2804:27c0::/32 ~79×10²⁷

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.
% 2026-03-16T09:24:09-03:00 - 188.94.84.211

aut-num:     AS263920
owner:       MAST TELECOMUNICACOES E INFORMATICA LTDA
ownerid:     12.640.121/0001-87
responsible: Aldo Artur de Figueiredo
country:     BR
owner-c:     ALAFI70
routing-c:   NOMTE8
abuse-c:     NOMTE8
created:     20150812
changed:     20210909
inetnum:     138.185.240.0/22
inetnum:     2804:27c0::/32

nic-hdl-br:  ALAFI70
person:      Aldo Artur de Figueiredo
e-mail:      aldo@masttelecom.net.br
country:     BR
created:     20140424
changed:     20170418

nic-hdl-br:  NOMTE8
person:      NOC Mast Telecom
e-mail:      noc@masttelecom.net.br
country:     BR
created:     20180216
changed:     20190225

% 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
AS263903 INFORBARRA TELECOM BR
AS7195 EDGEUNO S.A.S CO
AS53062 ALT | GRUPO BRASIL TECPAR BR
AS267330 JLCONECT PB BR
AS266142 Bahiadados Telecom Ltda. BR
AS61568 ALOO TELECOM FSF TECNOLOGIA SA BR
AS263283 JGNET - J G DE OLIVEIRA MATOS & CIA LTDA BR
AS199524 G-Core Labs S.A. LU
AS267287 MEGANET PROVEDOR BR
AS265197 são miguel telecomunicações e informatica ltda - m BR

Upstreams

AS Number Description Country
AS61568 ALOO TELECOM FSF TECNOLOGIA SA BR
AS265290 Uplink Telecom BR
AS7195 EDGEUNO S.A.S CO
AS14840 BR.Digital Telecom BR
AS6057 Administracion Nacional de Telecomunicaciones UY
AS1916 Rede Nacional de Ensino e Pesquisa BR

Downstreams

AS Number Description Country
AS267339 3M Fibra BR
AS267287 MEGANET PROVEDOR BR
AS266096 NAVEGAR PROVEDOR BR
AS267330 JLCONECT PB BR
AS270305 Acesse Internet Ltda BR
AS269255 JACINTO SILVEIRA COSTA ME BR
AS270924 JPA Telecom BR

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Frequently Asked Questions

ASN AS263920 is an Autonomous System Number used to identify a network for BGP internet routing.
AS263920 is listed under MAST TELECOMUNICACOES E INFORMATICA 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.