What is ASN AS266220?

ASN AS266220 is an Autonomous System Number used to identify a network for BGP internet routing.

Who manages ASN AS266220?

AS266220 is listed under RFS Tecnologia 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.

AS266220 RFS Tecnologia LTDA | IPGeolocation.io

ASN Lookup Tool

RFS Tecnologia LTDA rfstecnologia.net.br

BR 9 Routes

AS Data

AS266220

AS266220 – RFS Tecnologia LTDA

AS Number	266220
AS Name	11.605.767/0001-60
Organization	RFS Tecnologia LTDA
Country	BR
Website	rfstecnologia.net.br
Number of IPv4 Routes	5
Number of IPv6 Routes	4
ASN type	BUSINESS
Registry	lacnic
Date Allocated	2017-04-26

ASN Intelligence API for production workflows

Use ASN data for AS266220 in automation: routing intelligence, peering analysis, ownership checks, and network observability.

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IP Ranges

Route	Origin	Origin Name	ISP	# IPs
2804:3c90::/32	AS266220	RFS Tecnologia LTDA	RFS Tecnologia LTDA	~79×10²⁷
2804:3c90:800::/38	AS266220	RFS Tecnologia LTDA	RFS Tecnologia LTDA	~1×10²⁷
192.145.216.0/22	AS266220	RFS Tecnologia LTDA	RFS Tecnologia LTDA	1024
2804:3c90:3800::/48	AS266220	RFS Tecnologia LTDA	RFS Tecnologia LTDA	~1×10²⁴
192.145.218.0/24	AS266220	RFS Tecnologia LTDA	RFS Tecnologia LTDA	256
192.145.219.0/24	AS266220	RFS Tecnologia LTDA	RFS Tecnologia LTDA	256
192.145.217.0/24	AS266220	RFS Tecnologia LTDA	RFS Tecnologia LTDA	256
192.145.216.0/24	AS266220	RFS Tecnologia LTDA	RFS Tecnologia LTDA	256
2804:3c90:c40::/42	AS266220	RFS Tecnologia LTDA	RFS Tecnologia LTDA	~77×10²⁴

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.
% 2026-04-10T09:27:08-03:00 - 136.227.189.144

aut-num:     AS266220
owner:       RFS Tecnologia LTDA
ownerid:     11.605.767/0001-60
responsible: RAFAEL FILIPE STRASSBURGER
country:     BR
owner-c:     RFS680
routing-c:   NORTE6
abuse-c:     NORTE6
created:     20170426
changed:     20220203
inetnum:     192.145.216.0/22
inetnum:     2804:3c90::/32

nic-hdl-br:  RFS680
person:      Rafael Filipe Strassburger
e-mail:      rafaeltdk@hotmail.com
country:     BR
created:     20060312
changed:     20250519

nic-hdl-br:  NORTE6
person:      NOC RFS Tec
e-mail:      noc@rfstecnologia.net.br
country:     BR
created:     20220201
changed:     20220201

% 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" : "AS266220",
    "country" : "BR",
    "admin_contacts" : [ "RFS680" ],
    "tech_contacts" : [ "NORTE6" ],
    "abuse_contacts" : [ "NORTE6" ],
    "date_created" : "2017-04-26",
    "date_updated" : "2022-02-03",
    "source" : "lacnic"
  } ],
  "organization" : {
    "handle" : "11.605.767/0001-60",
    "name" : "RFS Tecnologia LTDA",
    "country" : [ "BR" ],
    "abuse_contacts" : [ "NORTE6" ],
    "date_created" : "2017-04-26",
    "date_updated" : "2022-02-03",
    "source" : "lacnic"
  },
  "administrative_contacts" : [ {
    "handle" : "RFS680",
    "country" : "BR",
    "email" : [ "rafaeltdk@hotmail.com" ],
    "date_created" : "2006-03-12",
    "date_updated" : "2025-05-19",
    "source" : "lacnic"
  } ],
  "technical_contacts" : [ {
    "handle" : "NORTE6",
    "country" : "BR",
    "email" : [ "noc@rfstecnologia.net.br" ],
    "date_created" : "2022-02-01",
    "date_updated" : "2022-02-01",
    "source" : "lacnic"
  } ],
  "abuse_contacts" : [ {
    "handle" : "NORTE6",
    "country" : "BR",
    "email" : [ "noc@rfstecnologia.net.br" ],
    "date_created" : "2022-02-01",
    "date_updated" : "2022-02-01",
    "source" : "lacnic"
  } ]
}

Peers

AS Number	Description	Country
AS268054	GIGA NET INFORMATICA LTDA ME	BR
AS262589	SAMM TECNOLOGIA E TELECOMUNICACOES S.A	BR
AS262907	BRASIL TECPAR AMIGO AVATO	BR
AS60602	Inovare-Prim SRL	MD
AS14537	Continent 8 LLC	US
AS198150	SIACOM JSC	GE
AS269416	SEMEAR TELECOM EIRELI	BR
AS199524	G-Core Labs S.A.	LU
AS263283	JGNET - J G DE OLIVEIRA MATOS & CIA LTDA	BR
AS262588	EXPLORERNET INFOLINK TECNOLOGIA E TELECOMUNICACOES	BR

Upstreams

AS Number	Description	Country
AS39120	Convergenze S.p.A.	IT
AS267507	SRX TECNOLOGIA DA INFORMACAO LTDA	BR
AS35280	F5 Networks SARL	FR
AS262907	BRASIL TECPAR AMIGO AVATO	BR
AS6939	Hurricane Electric LLC	US
AS6057	Administracion Nacional de Telecomunicaciones	UY
AS7713	Telekomunikasi Indonesia PT	ID
AS53013	UFINET BRASIL S.A.	BR
AS267469	W8 Telecom Ltda ME	BR

Downstreams

AS Number	Description	Country
AS268505	Deep Telecom	BR
AS266107	EVEN TELECOM	BR
AS269627	Exa Internet	BR
AS267507	SRX TECNOLOGIA DA INFORMACAO LTDA	BR
AS268054	GIGA NET INFORMATICA LTDA ME	BR
AS61646	SINALNET Comunicações	BR
AS52600	Digitotal Networks Telecomunicações LTDA	BR
AS52625	X PC Telecom Ltda	BR
AS61893	RM dos Santos Informatica	BR
AS269472	X Internet	BR