ASN AS53181 is an Autonomous System Number used to identify a network for BGP internet routing.

Who manages ASN AS53181?

AS53181 is listed under Avanca Telecom e Servicos LTDA.

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.

AS53181 Avanca Telecom e Servicos LTDA

ASN Lookup Tool

Avanca Telecom e Servicos LTDA k2telecom.com.br

BR 61 Routes

AS Data

AS53181

AS53181 – Avanca Telecom e Servicos LTDA

AS Number	53181
AS Name	07.426.946/0001-63
Organization	Avanca Telecom e Servicos LTDA
Country	BR
Website	k2telecom.com.br
Number of IPv4 Routes	44
Number of IPv6 Routes	17
ASN type	ISP
Registry	lacnic
Date Allocated	2010-08-18

ASN Intelligence API for production workflows

Use ASN data for AS53181 in automation: routing intelligence, peering analysis, ownership checks, and network observability.

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IP Ranges

Route	Origin	Origin Name	ISP	# IPs
2804:53e4:1000::/38	AS53181	Avanca Telecom e Servicos LTDA	Avanca Telecom e Servicos LTDA	~1×10²⁷
191.241.70.0/24	AS53181	Avanca Telecom e Servicos LTDA	Avanca Telecom e Servicos LTDA	256
138.204.64.0/22	AS53181	Avanca Telecom e Servicos LTDA	Avanca Telecom e Servicos LTDA	1024
191.241.66.0/24	AS53181	Avanca Telecom e Servicos LTDA	Avanca Telecom e Servicos LTDA	256
201.33.160.0/24	AS53181	Avanca Telecom e Servicos LTDA	Avanca Telecom e Servicos LTDA	256
45.164.113.0/24	AS53181	Avanca Telecom e Servicos LTDA	Avanca Telecom e Servicos LTDA	256
201.33.165.0/24	AS53181	Avanca Telecom e Servicos LTDA	MEDRAL SERVICOS E INFRAESTRUTURA LTDA	256
191.241.78.0/24	AS53181	Avanca Telecom e Servicos LTDA	Avanca Telecom e Servicos LTDA	256
191.241.75.0/24	AS53181	Avanca Telecom e Servicos LTDA	Avanca Telecom e Servicos LTDA	256
191.241.64.0/20	AS53181	Avanca Telecom e Servicos LTDA	Avanca Telecom e Servicos LTDA	4096

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.
% 2026-04-25T09:23:25-03:00 - 152.39.188.162

aut-num:     AS53181
owner:       Avanca Telecom e Servicos LTDA
ownerid:     07.426.946/0001-63
responsible: Anderson Heringer
country:     BR
owner-c:     ANHER12
routing-c:   ANHER12
abuse-c:     ANHER12
created:     20100818
changed:     20130306
inetnum:     201.33.160.0/20
inetnum:     191.241.64.0/20
inetnum:     2804:113c::/32
inetnum:     138.204.64.0/22
inetnum:     45.164.112.0/22
inetnum:     2804:53e4::/32

nic-hdl-br:  ANHER12
person:      Anderson Heringer
e-mail:      engenharia@k2telecom.com.br
country:     BR
created:     20090825
changed:     20260318

% 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" : "AS53181",
    "country" : "BR",
    "admin_contacts" : [ "ANHER12" ],
    "tech_contacts" : [ "ANHER12" ],
    "abuse_contacts" : [ "ANHER12" ],
    "date_created" : "2010-08-18",
    "date_updated" : "2013-03-06",
    "source" : "lacnic"
  } ],
  "organization" : {
    "handle" : "07.426.946/0001-63",
    "name" : "Avanca Telecom e Servicos LTDA",
    "country" : [ "BR" ],
    "abuse_contacts" : [ "ANHER12" ],
    "date_created" : "2010-08-18",
    "date_updated" : "2013-03-06",
    "source" : "lacnic"
  },
  "administrative_contacts" : [ {
    "handle" : "ANHER12",
    "country" : "BR",
    "email" : [ "engenharia@k2telecom.com.br" ],
    "date_created" : "2009-08-25",
    "date_updated" : "2026-03-18",
    "source" : "lacnic"
  } ],
  "technical_contacts" : [ {
    "handle" : "ANHER12",
    "country" : "BR",
    "email" : [ "engenharia@k2telecom.com.br" ],
    "date_created" : "2009-08-25",
    "date_updated" : "2026-03-18",
    "source" : "lacnic"
  } ],
  "abuse_contacts" : [ {
    "handle" : "ANHER12",
    "country" : "BR",
    "email" : [ "engenharia@k2telecom.com.br" ],
    "date_created" : "2009-08-25",
    "date_updated" : "2026-03-18",
    "source" : "lacnic"
  } ]
}

Peers

AS Number	Description	Country
AS273336	Opensat Soluções em segurança LTDA	BR
AS262589	SAMM TECNOLOGIA E TELECOMUNICACOES S.A	BR
AS269107	J L TELECOMUNICACAO E MULTIMIDIA COMERCIO E SERVIC	BR
AS265307	PLANETY INTERNET SERVIOS E COMUNICAES LTDA - ME	BR
AS14537	Continent 8 LLC	US
AS198150	SIACOM JSC	GE
AS53172	Next Telecomunicações do Brasil LTDA	BR
AS268194	Telecomunicações S. Gonçalves ltda-ME	BR
AS269416	SEMEAR TELECOM EIRELI	BR
AS199524	G-Core Labs S.A.	LU

Upstreams

AS Number	Description	Country
AS52925	Ascenty Data Centers e Telecomunicações S/A	BR
AS39120	Convergenze S.p.A.	IT
AS264409	GRUPO YAX	BR
AS7195	EDGEUNO S.A.S	CO
AS26615	TIM S/A	BR
AS6057	Administracion Nacional de Telecomunicaciones	UY
AS265944	BR UP TELECOM	BR
AS13786	Seabras 1 USA, LLC	US
AS35280	F5 Networks SARL	FR
AS28260	ALTA REDE CORPORATE NETWORK TELECOM LTDA EPP	BR

Downstreams

AS Number	Description	Country
AS266265	ABEL F DOS SANTOS ME	BR
AS273336	Opensat Soluções em segurança LTDA	BR
AS263482	Megalink Servicos Ltda	BR
AS269107	J L TELECOMUNICACAO E MULTIMIDIA COMERCIO E SERVIC	BR
AS262781	RADIOBR INTERNET LTDA	BR
AS265191	Sapucaia Comercio e informatica ltda me	BR
AS53172	Next Telecomunicações do Brasil LTDA	BR
AS264024	Wnet Telecom e Informática EIRELI	BR
AS273470	WORK TELECOM INTERNET LTDA	BR
AS264602	M.C.R. CAMPOS INFORMATICA E TELECOMUNICAÇÕES ME	BR