What is ASN AS266388?

ASN AS266388 is an Autonomous System Number used to identify a network for BGP internet routing.

Who manages ASN AS266388?

AS266388 is listed under ZAZ NATAL.

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.

AS266388 ZAZ NATAL | IPGeolocation.io

ASN Lookup Tool

ZAZ NATAL youisp.com.br

BR 10 Routes

AS Data

AS266388

AS266388 – ZAZ NATAL

AS Number	266388
AS Name	11.158.226/0001-31
Organization	ZAZ NATAL
Country	BR
Website	youisp.com.br
Number of IPv4 Routes	3
Number of IPv6 Routes	7
ASN type	ISP
Registry	lacnic
Date Allocated	2016-11-30

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Use ASN data for AS266388 in automation: routing intelligence, peering analysis, ownership checks, and network observability.

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IP Ranges

Route	Origin	Origin Name	ISP	# IPs
2804:3714:8000::/33	AS266388	ZAZ NATAL	ZAZ NATAL	~40×10²⁷
170.80.156.0/22	AS266388	ZAZ NATAL	ZAZ NATAL	1024
2804:3714:8000::/34	AS266388	ZAZ NATAL	ZAZ NATAL	~20×10²⁷
170.80.158.0/23	AS266388	ZAZ NATAL	ZAZ NATAL	512
2804:3714::/32	AS266388	ZAZ NATAL	ZAZ NATAL	~79×10²⁷
2804:3714::/34	AS266388	ZAZ NATAL	ZAZ NATAL	~20×10²⁷
170.80.156.0/23	AS266388	ZAZ NATAL	ZAZ NATAL	512
2804:3714:4000::/34	AS266388	ZAZ NATAL	ZAZ NATAL	~20×10²⁷
2804:3714::/33	AS266388	ZAZ NATAL	ZAZ NATAL	~40×10²⁷
2804:3714:c000::/34	AS266388	ZAZ NATAL	ZAZ NATAL	~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.
% 2026-07-31T09:25:14-03:00 - 136.227.191.4

aut-num:     AS266388
owner:       ZAZ NATAL
ownerid:     11.158.226/0001-31
responsible: KARLOS IVAN FREIRE DA SILVA
country:     BR
owner-c:     KIFSI
routing-c:   YOSLT2
abuse-c:     ABYOU6
created:     20161130
changed:     20230926
inetnum:     170.80.156.0/22
inetnum:     2804:3714::/32

nic-hdl-br:  KIFSI
person:      Karllos Ivan Freire da Silva
e-mail:      karllos@tisolucoes.com
country:     BR
created:     20070428
changed:     20180202

nic-hdl-br:  YOSLT2
person:      YOU SOLU��ES LTDA
e-mail:      noc@youisp.com.br
country:     BR
created:     20210727
changed:     20220922

nic-hdl-br:  ABYOU6
person:      Abuse YouISP
e-mail:      abuse@youisp.com.br
country:     BR
created:     20210727
changed:     20250805

% 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" : "AS266388",
    "country" : "BR",
    "admin_contacts" : [ "KIFSI" ],
    "tech_contacts" : [ "YOSLT2" ],
    "abuse_contacts" : [ "ABYOU6" ],
    "date_created" : "2016-11-30",
    "date_updated" : "2023-09-26",
    "source" : "lacnic"
  } ],
  "organization" : {
    "handle" : "11.158.226/0001-31",
    "name" : "ZAZ NATAL",
    "country" : [ "BR" ],
    "abuse_contacts" : [ "ABYOU6" ],
    "date_created" : "2016-11-30",
    "date_updated" : "2023-09-26",
    "source" : "lacnic"
  },
  "administrative_contacts" : [ {
    "handle" : "KIFSI",
    "country" : "BR",
    "email" : [ "karllos@tisolucoes.com" ],
    "date_created" : "2007-04-28",
    "date_updated" : "2018-02-02",
    "source" : "lacnic"
  } ],
  "technical_contacts" : [ {
    "handle" : "YOSLT2",
    "country" : "BR",
    "email" : [ "noc@youisp.com.br" ],
    "date_created" : "2021-07-27",
    "date_updated" : "2022-09-22",
    "source" : "lacnic"
  } ],
  "abuse_contacts" : [ {
    "handle" : "ABYOU6",
    "country" : "BR",
    "email" : [ "abuse@youisp.com.br" ],
    "date_created" : "2021-07-27",
    "date_updated" : "2025-08-05",
    "source" : "lacnic"
  } ]
}

Peers

AS Number	Description	Country
AS7195	EDGEUNO S.A.S	CO
AS6939	Hurricane Electric LLC	US
AS27656	DCN Soluï¿½ï¿½es em Tecnologia Ltda - EPP	BR
AS262872	DIGICONTROL SERVIÇOS DE PROVEDORES LTDA	BR
AS266142	Bahiadados Telecom Ltda.	BR
AS53087	TELY Ltda.	BR
AS52873	Softdados Telecomunicações	BR
AS266460	NetGo Telecomunicaes do Brasil	BR
AS266460	NetGo Telecomunicações do Brasil	BR
AS263283	JGNET - J G DE OLIVEIRA MATOS & CIA LTDA	BR
AS199524	G-Core Labs S.A.	LU
AS271253	LINK BRASIL TELECOMUNICACOES LTDA	BR
AS10429	TELEFÔNICA BRASIL S.A	BR
AS265197	são miguel telecomunicações e informatica ltda - m	BR
AS266400	Ferenz Networks	BR
AS263661	BRASIL DIGITAL SERVIÇOS DE INFORMATICA E COMERCIO	BR
AS53202	Acesso10 Telecom	BR
AS270353	Tyna Host - Datacenter no Brasil	BR
AS61573	IP TELECOM	BR
AS61680	ACESSO SIMPLES LTDA	BR
AS28300	Speed Serviços de Internet Ltda	BR
AS61624	INFNOC TECNOLOGIA LTDA	BR
AS57463	NetIX Communications JSC	BG
AS6057	Administracion Nacional de Telecomunicaciones	UY
AS28624	PROVEDORA CMA INTERNET LTDA	BR
AS262462	Aranet Play	BR
AS27656	DCN Soluções em Tecnologia Ltda EPP	BR
AS262494	Virtex Telecom	BR
AS262803	NETULTRA PROVEDOR DE INTERNET	BR
AS1031	PEER 1031 LLC	US
AS262427	Invista Net Provedor de Acesso Ltda	BR
AS16735	ALGAR TELECOM S/A	BR
AS264479	Turbozone Internet	BR
AS266519	PROVERADIO TELECOM	BR
AS267613	ELETRONET S.A.	BR

Upstreams

AS Number	Description	Country
AS266460	NetGo Telecomunicações do Brasil	BR
AS10429	TELEFÔNICA BRASIL S.A	BR
AS262803	NETULTRA PROVEDOR DE INTERNET	BR
AS7195	EDGEUNO S.A.S	CO
AS16735	ALGAR TELECOM S/A	BR
AS6939	Hurricane Electric LLC	US
AS6057	Administracion Nacional de Telecomunicaciones	UY

Downstreams

AS Number	Description	Country
AS262872	DIGICONTROL SERVIÇOS DE PROVEDORES LTDA	BR
AS27656	DCN Soluções em Tecnologia Ltda EPP	BR