What is ASN AS263997?

ASN AS263997 is an Autonomous System Number used to identify a network for BGP internet routing.

Who manages ASN AS263997?

AS263997 is listed under BITMAIL SERVICOS DE INFORMATICA LTDA ME.

What do peers, upstreams, and downstreams mean in ASN data?

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 shown for an ASN?

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

How can I access the full ASN tables?

The page shows a preview of large ASN datasets. Use the page controls to load more rows, and upgrade to a paid plan for complete access.

AS263997 BITMAIL SERVICOS DE INFORMATICA LTDA ME

ASN Lookup Tool

BITMAIL SERVICOS DE INFORMATICA LTDA ME bitmail.com.br

BR 8 Routes

AS Data

AS263997

AS263997 – BITMAIL SERVICOS DE INFORMATICA LTDA ME

AS Number	263997
AS Name	12.183.982/0001-83
Organization	BITMAIL SERVICOS DE INFORMATICA LTDA ME
Country	BR
Website	bitmail.com.br
Number of IPv4 Routes	4
Number of IPv6 Routes	4
ASN type	ISP
Registry	lacnic
Date Allocated	2015-09-10

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Use ASN data for AS263997 in automation: routing intelligence, peering analysis, ownership checks, and network observability.

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IP Ranges

Route	Origin	Origin Name	ISP	# IPs
143.0.52.0/24	AS263997	BITMAIL SERVICOS DE INFORMATICA LTDA ME	BITMAIL SERVICOS DE INFORMATICA LTDA - ME	256
2804:2918::/33	AS263997	BITMAIL SERVICOS DE INFORMATICA LTDA ME	BITMAIL SERVICOS DE INFORMATICA LTDA - ME	~40×10²⁷
2804:2918::/34	AS263997	BITMAIL SERVICOS DE INFORMATICA LTDA ME	BITMAIL SERVICOS DE INFORMATICA LTDA - ME	~20×10²⁷
2804:2918:8000::/34	AS263997	BITMAIL SERVICOS DE INFORMATICA LTDA ME	BITMAIL SERVICOS DE INFORMATICA LTDA - ME	~20×10²⁷
2804:2918:4000::/34	AS263997	BITMAIL SERVICOS DE INFORMATICA LTDA ME	BITMAIL SERVICOS DE INFORMATICA LTDA - ME	~20×10²⁷
143.0.54.0/24	AS263997	BITMAIL SERVICOS DE INFORMATICA LTDA ME	BITMAIL SERVICOS DE INFORMATICA LTDA - ME	256
143.0.55.0/24	AS263997	BITMAIL SERVICOS DE INFORMATICA LTDA ME	BITMAIL SERVICOS DE INFORMATICA LTDA - ME	256
143.0.54.0/23	AS263997	BITMAIL SERVICOS DE INFORMATICA LTDA ME	BITMAIL SERVICOS DE INFORMATICA LTDA - ME	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.
% 2026-09-30T09:23:05-03:00 - 132.255.135.36

aut-num:     AS263997
owner:       BITMAIL SERVICOS DE INFORMATICA LTDA - ME
ownerid:     12.183.982/0001-83
responsible: Antonio Marcos Santana Farias
country:     BR
owner-c:     AMSFA12
routing-c:   AMSFA12
abuse-c:     AMSFA12
created:     20150910
changed:     20150910
inetnum:     143.0.52.0/22
inetnum:     2804:2918::/32

nic-hdl-br:  AMSFA12
person:      Antonio Marcos Santana Farias
e-mail:      marcos@bitmail.com.br
country:     BR
created:     20140505
changed:     20230530

% 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

{
  "status" : true,
  "whois_server" : "whois.lacnic.net",
  "aut_nums" : [ {
    "aut_num" : "AS263997",
    "country" : "BR",
    "admin_contacts" : [ "AMSFA12" ],
    "tech_contacts" : [ "AMSFA12" ],
    "abuse_contacts" : [ "AMSFA12" ],
    "date_created" : "2015-09-10",
    "date_updated" : "2015-09-10",
    "source" : "lacnic"
  } ],
  "organization" : {
    "handle" : "12.183.982/0001-83",
    "name" : "BITMAIL SERVICOS DE INFORMATICA LTDA - ME",
    "country" : [ "BR" ],
    "abuse_contacts" : [ "AMSFA12" ],
    "date_created" : "2015-09-10",
    "date_updated" : "2015-09-10",
    "source" : "lacnic"
  },
  "administrative_contacts" : [ {
    "handle" : "AMSFA12",
    "country" : "BR",
    "email" : [ "marcos@bitmail.com.br" ],
    "date_created" : "2014-05-05",
    "date_updated" : "2023-05-30",
    "source" : "lacnic"
  } ],
  "technical_contacts" : [ {
    "handle" : "AMSFA12",
    "country" : "BR",
    "email" : [ "marcos@bitmail.com.br" ],
    "date_created" : "2014-05-05",
    "date_updated" : "2023-05-30",
    "source" : "lacnic"
  } ],
  "abuse_contacts" : [ {
    "handle" : "AMSFA12",
    "country" : "BR",
    "email" : [ "marcos@bitmail.com.br" ],
    "date_created" : "2014-05-05",
    "date_updated" : "2023-05-30",
    "source" : "lacnic"
  } ]
}

Peers

AS Number	Description	Country
AS61832	DB3 SERVICOS DE TELECOMUNICACOES S.A	BR
AS263903	INFORBARRA TELECOM	BR
AS7195	EDGEUNO S.A.S	CO
AS6939	Hurricane Electric LLC	US
AS23106	AMERICAN TOWER DO BRASIL COMUNICAÇÃO MULTIMÍDIA LT	BR
AS266142	Bahiadados Telecom Ltda.	BR
AS52873	Softdados Telecomunicações	BR
AS273717	TECNONET SINAL DE INTERNET LTDA	BR
AS268024	TURBONET CAXIAS	BR
AS263009	FORTE TELECOM LTDA.	BR
AS271253	LINK BRASIL TELECOMUNICACOES LTDA	BR
AS262503	WIKI TELECOMUNICACOES EIRELI	BR
AS61621	Norte.Net Telecomunicações Ltda	BR
AS266400	Ferenz Networks	BR
AS263661	BRASIL DIGITAL SERVIÇOS DE INFORMATICA E COMERCIO	BR
AS53202	Acesso10 Telecom	BR
AS265197	são miguel telecomunicações e informática ltda m	BR
AS14840	BR.Digital Telecom	BR
AS61573	IP TELECOM	BR
AS61680	ACESSO SIMPLES LTDA	BR
AS28300	Speed Serviços de Internet Ltda	BR
AS57463	NetIX Communications JSC	BG
AS61624	INFNOC TECNOLOGIA LTDA	BR
AS265269	MEGA TELE INFORMATICA	BR
AS6057	Administracion Nacional de Telecomunicaciones	UY
AS269194	ST1 INTERNET	BR
AS268037	OK NET INFOR LTDA	BR
AS28624	PROVEDORA CMA INTERNET LTDA	BR
AS262462	Aranet Play	BR
AS266009	T2WEB SOLUCOES TECNOLOGICAS LTDA	BR
AS199524	G Core Labs S.A.	LU
AS262494	Virtex Telecom	BR
AS262740	VELOO NET LTDA	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
AS264479	Turbozone Internet	BR
AS266519	PROVERADIO TELECOM	BR
AS267613	ELETRONET S.A.	BR

Upstreams

AS Number	Description	Country
AS7195	EDGEUNO S.A.S	CO
AS14840	BR.Digital Telecom	BR
AS6939	Hurricane Electric LLC	US
AS265269	MEGA TELE INFORMATICA	BR
AS6057	Administracion Nacional de Telecomunicaciones	UY
AS269194	ST1 INTERNET	BR
AS268024	TURBONET CAXIAS	BR

Downstreams

AS Number	Description	Country
AS268037	OK NET INFOR LTDA	BR
AS273717	TECNONET SINAL DE INTERNET LTDA	BR
AS268024	TURBONET CAXIAS	BR