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

BR 9 Routes

AS Data

AS263997

AS263997 – BITMAIL SERVICOS DE INFORMATICA LTDA ME

AS Number	263997
AS Name
Organization	BITMAIL SERVICOS DE INFORMATICA LTDA ME
Country	BR
Number of IPv4 Routes	5
Number of IPv6 Routes	4
ASN type	ISP
Registry	lacnic
Date Allocated	2015-09-10

ASN Intelligence API for production workflows

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

Access complete peers, upstreams, downstreams, routes, WHOIS, and contact intelligence via our API. Learn more

Get ASN API Key ASN API Docs

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
143.0.53.0/24	AS263997	BITMAIL SERVICOS DE INFORMATICA LTDA ME	ALFA TELECOM LTDA	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.
% 2026-04-10T09:24:52-03:00 - 134.199.76.104

aut-num:     AS263997
owner:       BITMAIL SERVICOS DE INFORMATICA LTDA - ME
responsible: Antonio Marcos Santana Farias
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
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",
    "admin_contacts" : [ "AMSFA12" ],
    "tech_contacts" : [ "AMSFA12" ],
    "abuse_contacts" : [ "AMSFA12" ],
    "date_created" : "2015-09-10",
    "date_updated" : "2015-09-10",
    "source" : "lacnic"
  } ],
  "organization" : {
    "name" : "BITMAIL SERVICOS DE INFORMATICA LTDA - ME",
    "abuse_contacts" : [ "AMSFA12" ],
    "date_created" : "2015-09-10",
    "date_updated" : "2015-09-10",
    "source" : "lacnic"
  },
  "administrative_contacts" : [ {
    "handle" : "AMSFA12",
    "date_created" : "2014-05-05",
    "date_updated" : "2023-05-30",
    "source" : "lacnic"
  } ],
  "technical_contacts" : [ {
    "handle" : "AMSFA12",
    "date_created" : "2014-05-05",
    "date_updated" : "2023-05-30",
    "source" : "lacnic"
  } ],
  "abuse_contacts" : [ {
    "handle" : "AMSFA12",
    "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
AS272772	M MACHADO SIMÃO FALCÃO EIRELI ME	BR
AS263903	INFORBARRA TELECOM	BR
AS6939	Hurricane Electric LLC	US
AS266142	Bahiadados Telecom Ltda.	BR
AS52873	Softdados Telecomunicações	BR
AS268024	TURBONET CAXIAS	BR
AS273717	TECNONET SINAL DE INTERNET LTDA	BR
AS263283	JGNET - J G DE OLIVEIRA MATOS & CIA LTDA	BR
AS199524	G-Core Labs S.A.	LU

Upstreams

AS Number	Description	Country
AS272772	M MACHADO SIMÃO FALCÃO EIRELI ME	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
AS264409	GRUPO YAX	BR
AS263880	WANTEL TECNOLOGIA LTDA. EPP	BR
AS268037	OK NET INFOR LTDA	BR
AS273717	TECNONET SINAL DE INTERNET LTDA	BR
AS268024	TURBONET CAXIAS	BR