ASN AS27720 is an Autonomous System Number used to identify a network for BGP internet routing.

Who manages ASN AS27720?

AS27720 is listed under CITTA TELECOM 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.

AS27720 CITTA TELECOM LTDA | IPGeolocation.io

ASN Lookup Tool

CITTA TELECOM LTDA cittatelecom.com.br

BR 60 Routes

AS Data

AS27720

AS27720 – CITTA TELECOM LTDA

AS Number	27720
AS Name	12.935.241/0001-01
Organization	CITTA TELECOM LTDA
Country	BR
Website	cittatelecom.com.br
Number of IPv4 Routes	25
Number of IPv6 Routes	35
ASN type	ISP
Registry	lacnic
Date Allocated	2013-04-22

ASN Intelligence API for production workflows

Use ASN data for AS27720 in automation: routing intelligence, peering analysis, ownership checks, and network observability.

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IP Ranges

Route	Origin	Origin Name	ISP	# IPs
2804:da4:59::/48	AS27720	CITTA TELECOM LTDA	NOVA GERAÇÃO COMESTIVEIS SA	~1×10²⁴
200.95.172.0/22	AS27720	CITTA TELECOM LTDA	INFORTRANS SERVICOS DE INFORMATICA LTDA ME	1024
2804:da4:49::/48	AS27720	CITTA TELECOM LTDA	Stemme Telecomunicações do Brasil Ltda	~1×10²⁴
2804:da4:af:100::/56	AS27720	CITTA TELECOM LTDA	CITTA TELECOM LTDA	~5×10²¹
177.129.12.0/22	AS27720	CITTA TELECOM LTDA	BAR E RESTAURANTE BARRA DOWNTOWN LTDA	1024
200.95.174.0/24	AS27720	CITTA TELECOM LTDA	INFORTRANS SERVICOS DE INFORMATICA LTDA ME	256
143.208.159.0/24	AS27720	CITTA TELECOM LTDA	Geologus Engenharia Ltda.	256
2804:da4:a4::/48	AS27720	CITTA TELECOM LTDA	INSIGHTS MACHINE CONSULTORIA E TREINAMENTO LTDA	~1×10²⁴
2804:da4:42::/48	AS27720	CITTA TELECOM LTDA	RW TELECOMUNICAÇÕES E SERVIÇOS LTDA	~1×10²⁴
143.208.156.0/24	AS27720	CITTA TELECOM LTDA	Geologus Engenharia Ltda.	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.
% 2026-04-25T09:20:08-03:00 - 185.255.165.233

aut-num:     AS27720
owner:       CITTA TELECOM LTDA
ownerid:     12.935.241/0001-01
responsible: Paulo Cesar Machado Junior
country:     BR
owner-c:     CITEL5
routing-c:   CITEL5
abuse-c:     CITEL5
created:     20130422
changed:     20130422
inetnum:     177.129.8.0/22
inetnum:     2804:da4::/32
inetnum:     177.129.12.0/22
inetnum:     200.95.172.0/22
inetnum:     138.59.96.0/22
inetnum:     143.208.156.0/22

nic-hdl-br:  CITEL5
person:      Citta Telecom
e-mail:      noc@cittatelecom.com.br
country:     BR
created:     20120403
changed:     20220405

% 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" : "AS27720",
    "country" : "BR",
    "admin_contacts" : [ "CITEL5" ],
    "tech_contacts" : [ "CITEL5" ],
    "abuse_contacts" : [ "CITEL5" ],
    "date_created" : "2013-04-22",
    "date_updated" : "2013-04-22",
    "source" : "lacnic"
  } ],
  "organization" : {
    "handle" : "12.935.241/0001-01",
    "name" : "CITTA TELECOM LTDA",
    "country" : [ "BR" ],
    "abuse_contacts" : [ "CITEL5" ],
    "date_created" : "2013-04-22",
    "date_updated" : "2013-04-22",
    "source" : "lacnic"
  },
  "administrative_contacts" : [ {
    "handle" : "CITEL5",
    "country" : "BR",
    "email" : [ "noc@cittatelecom.com.br" ],
    "date_created" : "2012-04-03",
    "date_updated" : "2022-04-05",
    "source" : "lacnic"
  } ],
  "technical_contacts" : [ {
    "handle" : "CITEL5",
    "country" : "BR",
    "email" : [ "noc@cittatelecom.com.br" ],
    "date_created" : "2012-04-03",
    "date_updated" : "2022-04-05",
    "source" : "lacnic"
  } ],
  "abuse_contacts" : [ {
    "handle" : "CITEL5",
    "country" : "BR",
    "email" : [ "noc@cittatelecom.com.br" ],
    "date_created" : "2012-04-03",
    "date_updated" : "2022-04-05",
    "source" : "lacnic"
  } ]
}

Peers

AS Number	Description	Country
AS199081	Lancom Ltd.	GR
AS11432	Telium Telecomunicaï¿½ï¿½es Ltda	BR
AS262589	SAMM TECNOLOGIA E TELECOMUNICACOES S.A	BR
AS6939	Hurricane Electric LLC	US
AS60602	Inovare-Prim SRL	MD
AS266142	Bahiadados Telecom Ltda.	BR
AS14537	Continent 8 LLC	US
AS198150	SIACOM JSC	GE
AS269416	SEMEAR TELECOM EIRELI	BR
AS199524	G-Core Labs S.A.	LU

Upstreams

AS Number	Description	Country
AS39120	Convergenze S.p.A.	IT
AS26615	TIM S/A	BR
AS22381	SAMM TECNOLOGIA E TELECOMUNICACOES S.A	BR
AS6939	Hurricane Electric LLC	US
AS52863	UPX TECNOLOGIA LTDA	BR
AS6057	Administracion Nacional de Telecomunicaciones	UY
AS28663	FLYS INTERATIVA LTDA	BR
AS2914	NTT America, Inc.	US

Downstreams

AS Number	Description	Country
AS263584	WanHouse Solucoes em Tecnologia LTDA EPP	BR
AS28336	Dekanet Comunicação Multimédia Ltda.	BR