What is ASN AS273459?

ASN AS273459 is an Autonomous System Number used to identify a network for BGP internet routing.

Who manages ASN AS273459?

AS273459 is listed under COMFORT NET SERVICOS DE TELECOMUNICACOES 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.

AS273459 COMFORT NET SERVICOS DE TELECOMUNICACOES LTDA

ASN Lookup Tool

COMFORT NET SERVICOS DE TELECOMUNICACOES LTDA comfortnet.com.br

BR 7 Routes

AS Data

AS273459

AS273459 – COMFORT NET SERVICOS DE TELECOMUNICACOES LTDA

AS Number	273459
AS Name	53.567.356/0001-78
Organization	COMFORT NET SERVICOS DE TELECOMUNICACOES LTDA
Country	BR
Website	comfortnet.com.br
Number of IPv4 Routes	0
Number of IPv6 Routes	7
ASN type	ISP
Registry	lacnic
Date Allocated	2024-02-28

ASN Intelligence API for production workflows

Use ASN data for AS273459 in automation: routing intelligence, peering analysis, ownership checks, and network observability.

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IP Ranges

Route	Origin	Origin Name	ISP	# IPs
2804:8ef8::/33	AS273459	COMFORT NET SERVICOS DE TELECOMUNICACOES LTDA	COMFORT NET SERVICOS DE TELECOMUNICACOES LTDA	~40×10²⁷
2804:8ef8:8000::/34	AS273459	COMFORT NET SERVICOS DE TELECOMUNICACOES LTDA	COMFORT NET SERVICOS DE TELECOMUNICACOES LTDA	~20×10²⁷
2804:8ef8::/34	AS273459	COMFORT NET SERVICOS DE TELECOMUNICACOES LTDA	COMFORT NET SERVICOS DE TELECOMUNICACOES LTDA	~20×10²⁷
2804:8ef8::/32	AS273459	COMFORT NET SERVICOS DE TELECOMUNICACOES LTDA	COMFORT NET SERVICOS DE TELECOMUNICACOES LTDA	~79×10²⁷
2804:8ef8:8000::/33	AS273459	COMFORT NET SERVICOS DE TELECOMUNICACOES LTDA	COMFORT NET SERVICOS DE TELECOMUNICACOES LTDA	~40×10²⁷
2804:8ef8:4000::/34	AS273459	COMFORT NET SERVICOS DE TELECOMUNICACOES LTDA	COMFORT NET SERVICOS DE TELECOMUNICACOES LTDA	~20×10²⁷
2804:8ef8:c000::/34	AS273459	COMFORT NET SERVICOS DE TELECOMUNICACOES LTDA	COMFORT NET SERVICOS DE TELECOMUNICACOES LTDA	~20×10²⁷

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.
% 2026-04-12T09:19:09-03:00 - 136.227.169.59

aut-num:     AS273459
owner:       COMFORT NET SERVICOS DE TELECOMUNICACOES LTDA
ownerid:     53.567.356/0001-78
responsible: JACKSON SILVENN BARBOSA ELIAS
country:     BR
owner-c:     JSBEL3
routing-c:   JSBEL3
abuse-c:     JSBEL3
created:     20240228
changed:     20251124
inetnum:     2804:8ef8::/32

nic-hdl-br:  JSBEL3
person:      Jackson Silvenn Barbosa Elias
e-mail:      noc@comfortnet.com.br
country:     BR
created:     20240130
changed:     20250225

% 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" : "AS273459",
    "country" : "BR",
    "admin_contacts" : [ "JSBEL3" ],
    "tech_contacts" : [ "JSBEL3" ],
    "abuse_contacts" : [ "JSBEL3" ],
    "date_created" : "2024-02-28",
    "date_updated" : "2025-11-24",
    "source" : "lacnic"
  } ],
  "organization" : {
    "handle" : "53.567.356/0001-78",
    "name" : "COMFORT NET SERVICOS DE TELECOMUNICACOES LTDA",
    "country" : [ "BR" ],
    "abuse_contacts" : [ "JSBEL3" ],
    "date_created" : "2024-02-28",
    "date_updated" : "2025-11-24",
    "source" : "lacnic"
  },
  "administrative_contacts" : [ {
    "handle" : "JSBEL3",
    "country" : "BR",
    "email" : [ "noc@comfortnet.com.br" ],
    "date_created" : "2024-01-30",
    "date_updated" : "2025-02-25",
    "source" : "lacnic"
  } ],
  "technical_contacts" : [ {
    "handle" : "JSBEL3",
    "country" : "BR",
    "email" : [ "noc@comfortnet.com.br" ],
    "date_created" : "2024-01-30",
    "date_updated" : "2025-02-25",
    "source" : "lacnic"
  } ],
  "abuse_contacts" : [ {
    "handle" : "JSBEL3",
    "country" : "BR",
    "email" : [ "noc@comfortnet.com.br" ],
    "date_created" : "2024-01-30",
    "date_updated" : "2025-02-25",
    "source" : "lacnic"
  } ]
}

Peers

AS Number	Description	Country
AS199081	Lancom Ltd.	GR
AS60602	Inovare-Prim SRL	MD
AS266142	Bahiadados Telecom Ltda.	BR
AS14537	Continent 8 LLC	US
AS198150	SIACOM JSC	GE
AS199524	G-Core Labs S.A.	LU
AS271253	LINK BRASIL TELECOMUNICACOES LTDA	BR
AS270052	STARTELECOM S.A.	PY
AS266400	Ferenz Networks	BR
AS22548	Núcleo de Inf. e Coord. do Ponto BR NIC.BR	BR

Upstreams

AS Number	Description	Country
AS272501	Cotia Fiber Telecomunicações e Serviços LTDA	BR
AS39120	Convergenze S.p.A.	IT
AS6057	Administracion Nacional de Telecomunicaciones	UY
AS272719	ICONTECH FIBER SERVIÇOS DE INTERNET LTDA	BR

Downstreams

AS Number	Description	Country
AS271556	VIPER TEC	BR