What is ASN AS266435?

ASN AS266435 is an Autonomous System Number used to identify a network for BGP internet routing.

Who manages ASN AS266435?

AS266435 is listed under THE FIBER INTERNET BANDA LARGA.

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.

AS266435 THE FIBER INTERNET BANDA LARGA

ASN Lookup Tool

THE FIBER INTERNET BANDA LARGA outlook.com.br

BR 21 Routes

AS Data

AS266435

AS266435 – THE FIBER INTERNET BANDA LARGA

AS Number	266435
AS Name	13.158.698/0001-10
Organization	THE FIBER INTERNET BANDA LARGA
Country	BR
Website	outlook.com.br
Number of IPv4 Routes	14
Number of IPv6 Routes	7
ASN type	ISP
Registry	lacnic
Date Allocated	2016-12-19

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Use ASN data for AS266435 in automation: routing intelligence, peering analysis, ownership checks, and network observability.

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IP Ranges

Route	Origin	Origin Name	ISP	# IPs
170.82.79.0/24	AS266435	THE FIBER INTERNET BANDA LARGA	Digital Network	256
45.187.164.0/23	AS266435	THE FIBER INTERNET BANDA LARGA	THE FIBER INTERNET BANDA LARGA	512
2804:37c4::/34	AS266435	THE FIBER INTERNET BANDA LARGA	THE FIBER INTERNET BANDA LARGA	~20×10²⁷
170.82.76.0/24	AS266435	THE FIBER INTERNET BANDA LARGA	THE FIBER INTERNET BANDA LARGA	256
45.187.167.0/24	AS266435	THE FIBER INTERNET BANDA LARGA	THE FIBER INTERNET BANDA LARGA	256
170.82.78.0/23	AS266435	THE FIBER INTERNET BANDA LARGA	THE FIBER INTERNET BANDA LARGA	512
45.187.166.0/23	AS266435	THE FIBER INTERNET BANDA LARGA	THE FIBER INTERNET BANDA LARGA	512
45.187.164.0/24	AS266435	THE FIBER INTERNET BANDA LARGA	THE FIBER INTERNET BANDA LARGA	256
2804:37c4:4000::/34	AS266435	THE FIBER INTERNET BANDA LARGA	THE FIBER INTERNET BANDA LARGA	~20×10²⁷
170.82.78.0/24	AS266435	THE FIBER INTERNET BANDA LARGA	THE FIBER INTERNET BANDA LARGA	256

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.
% 2026-04-10T09:19:05-03:00 - 136.227.168.253

aut-num:     AS266435
owner:       THE FIBER INTERNET BANDA LARGA
ownerid:     13.158.698/0001-10
responsible: Euder Ribeiro
country:     BR
owner-c:     EURIB2
routing-c:   EURIB2
abuse-c:     EURIB2
created:     20161219
changed:     20161219
inetnum:     170.82.76.0/22
inetnum:     2804:37c4::/32
inetnum:     45.187.164.0/22

nic-hdl-br:  EURIB2
person:      euder ribeiro
e-mail:      euderfilho@outlook.com.br
country:     BR
created:     20101015
changed:     20250228

% 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" : "AS266435",
    "country" : "BR",
    "admin_contacts" : [ "EURIB2" ],
    "tech_contacts" : [ "EURIB2" ],
    "abuse_contacts" : [ "EURIB2" ],
    "date_created" : "2016-12-19",
    "date_updated" : "2016-12-19",
    "source" : "lacnic"
  } ],
  "organization" : {
    "handle" : "13.158.698/0001-10",
    "name" : "THE FIBER INTERNET BANDA LARGA",
    "country" : [ "BR" ],
    "abuse_contacts" : [ "EURIB2" ],
    "date_created" : "2016-12-19",
    "date_updated" : "2016-12-19",
    "source" : "lacnic"
  },
  "administrative_contacts" : [ {
    "handle" : "EURIB2",
    "country" : "BR",
    "email" : [ "euderfilho@outlook.com.br" ],
    "date_created" : "2010-10-15",
    "date_updated" : "2025-02-28",
    "source" : "lacnic"
  } ],
  "technical_contacts" : [ {
    "handle" : "EURIB2",
    "country" : "BR",
    "email" : [ "euderfilho@outlook.com.br" ],
    "date_created" : "2010-10-15",
    "date_updated" : "2025-02-28",
    "source" : "lacnic"
  } ],
  "abuse_contacts" : [ {
    "handle" : "EURIB2",
    "country" : "BR",
    "email" : [ "euderfilho@outlook.com.br" ],
    "date_created" : "2010-10-15",
    "date_updated" : "2025-02-28",
    "source" : "lacnic"
  } ]
}

Peers

AS Number	Description	Country
AS268624	Gamers Club Ltda	BR
AS28792	Public Internet Ltd	GB
AS58057	Securebit AG	CH
AS25220	equada network GmbH	DE
AS38880	Micron21 Datacentre Pty Ltd	AU
AS14537	Continent 8 LLC	US
AS198150	SIACOM JSC	GE
AS45352	IP ServerOne Solutions Sdn Bhd	MY
AS37468	Angola Cables	AO
AS60144	3W Infra B.V.	NL

Upstreams

AS Number	Description	Country
AS268624	Gamers Club Ltda	BR
AS39351	31173 Services AB	SE
AS6939	Hurricane Electric LLC	US
AS6204	ZET.NET IP Transit	RO
AS37468	Angola Cables	AO
AS20764	CJSC RASCOM	RU
AS15802	Emirates Integrated Telecommunications Company PJSC	AE
AS37497	Network Platforms PTY LTD	ZA
AS3216	PJSC Vimpelcom	RU
AS58453	China Mobile International Limited	HK

Downstreams

AS Number	Description	Country
AS267568	R. C. F. TELECOM LTDA ME	BR