ASN Lookup Tool

MAST TELECOMUNICACOES E INFORMATICA LTDA masttelecom.net.br BR BR 23 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 16
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
2804:27c0::/48 ~1×10²⁴
138.185.242.0/24 256
2804:27c0:c000::/34 ~20×10²⁷
2804:27c0::/32 ~79×10²⁷
138.185.241.0/24 256
2804:27c0:8000::/34 ~20×10²⁷
2804:27c0:4000::/35 ~1×10³⁰
138.185.240.0/22 1024
138.185.243.0/24 256
138.185.240.0/23 512
2804:27c0:c000::/35 ~1×10³⁰
2804:27c0:a000::/35 ~1×10³⁰
2804:27c0:4000::/34 ~20×10²⁷
2804:27c0:ffff::/48 ~1×10²⁴
2804:27c0:8000::/33 ~40×10²⁷
2804:27c0::/35 ~1×10³⁰

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.
% 2026-08-21T09:25:01-03:00 - 136.227.168.90

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
AS199081 Lancom Ltd. GR
AS268624 Gamers Club Ltda BR
AS263903 INFORBARRA TELECOM BR
AS7195 EDGEUNO S.A.S CO
AS6939 Hurricane Electric LLC US
AS267330 JLCONECT PB BR
AS266142 Bahiadados Telecom Ltda. BR
AS267256 ONETIS TECNOLOGIA LTDA BR
AS269416 SEMEAR TELECOM EIRELI BR
AS263283 JGNET - J G DE OLIVEIRA MATOS & CIA LTDA BR
AS199524 G-Core Labs S.A. LU
AS271253 LINK BRASIL TELECOMUNICACOES LTDA BR
AS9498 Bharti Airtel Ltd IN
AS22381 SAMM TECNOLOGIA E TELECOMUNICACOES S.A BR
AS270052 STARTELECOM S.A. PY
AS266400 Ferenz Networks BR
AS51185 MainStreaming SpA IT
AS263661 BRASIL DIGITAL SERVIÇOS DE INFORMATICA E COMERCIO BR
AS34224 Neterra Ltd. BG
AS267339 3M Fibra BR
AS53062 GGNET TELECOMUNICACOES LTDA BR
AS206735 Novelcomm LP GR
AS270353 Tyna Host - Datacenter no Brasil BR
AS268138 Thiago aparecido scaramuzza santana BR
AS270888 V8 Telecom LTDA BR
AS14840 BR.Digital Telecom BR
AS61680 ACESSO SIMPLES LTDA BR
AS32590 Valve Corporation US
AS57463 NetIX Communications JSC BG
AS61624 INFNOC TECNOLOGIA LTDA BR
AS12735 TurkNet Iletisim Hizmetleri A.S. TR
AS28624 PROVEDORA CMA INTERNET LTDA BR
AS269255 JACINTO SILVEIRA COSTA ME BR
AS268708 WANFIBX & INETKX INTERNET LTDA BR
AS262287 Latitude.sh LTDA BR
AS55818 MC-IX Matrix Internet Exchange RS-1 ID
AS8801 Rocket Fibre Ltd GB
AS263321 ILOGNET PROVEDOR BR
AS265290 Uplink Telecom BR
AS61568 ALOO TELECOM - FSF TECNOLOGIA SA BR
AS262427 Invista Net Provedor de Acesso Ltda BR
AS262355 VSX Networks BR
AS52999 START NETWORKS S/A BR
AS61622 VIA MS SOLUCOES DIGITAIS BR
AS270305 Acesse Internet Ltda BR
AS264479 Turbozone Internet BR
AS266519 PROVERADIO TELECOM BR
AS270924 JPA Telecom BR
AS267613 ELETRONET S.A. BR
AS263152 MIGO TELECOM BR
AS274676 MULTIWAY COMERCIO E REPRESENTACOES LTDA BR
AS266213 PLANETCLICK TELECOMUNICACOES LTDA BR
AS61568 ALOO TELECOM FSF TECNOLOGIA SA BR
AS269641 RURALNET BRASIL BR
AS267287 MEGANET PROVEDOR BR
AS265197 são miguel telecomunicações e informatica ltda - m BR
AS23106 AMERICAN TOWER DO BRASIL-COMUNICAÇÂO MULTIMÍDIA LT BR
AS266096 NAVEGAR PROVEDOR BR
AS269115 TELECOM PROVEDORES E REDES DE COMUNICAÇÃO BR
AS28300 Speed Serviços de Internet Ltda 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
AS262287 Latitude.sh LTDA 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.