ASN AS11271 is an Autonomous System Number used to identify a network for BGP internet routing.

Who manages ASN AS11271?

AS11271 is listed under SENCINET LATAM BRASIL 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.

AS11271 SENCINET LATAM BRASIL LTDA

ASN Lookup Tool

SENCINET LATAM BRASIL LTDA sencinet.com

BR 10 Routes

AS Data

AS11271

AS11271 – SENCINET LATAM BRASIL LTDA

AS Number	11271
AS Name	74.280.256/0001-36
Organization	SENCINET LATAM BRASIL LTDA
Country	BR
Website	sencinet.com
Number of IPv4 Routes	9
Number of IPv6 Routes	1
ASN type	BUSINESS
Registry	lacnic
Date Allocated	1999-11-18

ASN Intelligence API for production workflows

Use ASN data for AS11271 in automation: routing intelligence, peering analysis, ownership checks, and network observability.

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IP Ranges

Route	Origin	Origin Name	ISP	# IPs
200.218.146.0/24	AS11271	SENCINET LATAM BRASIL LTDA	SENCINET LATAM BRASIL LTDA	256
200.218.128.0/18	AS11271	SENCINET LATAM BRASIL LTDA	SENCINET LATAM BRASIL LTDA	16384
201.62.0.0/19	AS11271	SENCINET LATAM BRASIL LTDA	SENCINET LATAM BRASIL LTDA	8192
2800:23::/32	AS11271	SENCINET LATAM BRASIL LTDA	SENCINET LATAM ARGENTINA SA	~79×10²⁷
200.218.185.0/24	AS11271	SENCINET LATAM BRASIL LTDA	SENCINET LATAM BRASIL LTDA	256
200.218.141.0/24	AS11271	SENCINET LATAM BRASIL LTDA	SENCINET LATAM BRASIL LTDA	256
200.218.188.0/24	AS11271	SENCINET LATAM BRASIL LTDA	SENCINET LATAM BRASIL LTDA	256
201.62.28.0/24	AS11271	SENCINET LATAM BRASIL LTDA	SENCINET LATAM BRASIL LTDA	256
200.219.160.0/19	AS11271	SENCINET LATAM BRASIL LTDA	SENCINET LATAM BRASIL LTDA	8192
200.218.147.0/24	AS11271	SENCINET LATAM BRASIL LTDA	SENCINET LATAM BRASIL 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.
% 2026-04-12T09:35:29-03:00 - 176.53.223.57

aut-num:     AS11271
owner:       SENCINET LATAM BRASIL LTDA
ownerid:     74.280.256/0001-36
responsible: Juvenal de Freitas Carvalho Junior
country:     BR
owner-c:     JFJ8
routing-c:   JFJ8
abuse-c:     SLBLS1
created:     19991118
changed:     20201208
inetnum:     200.219.160.0/19
inetnum:     200.218.128.0/18
inetnum:     201.62.0.0/19

nic-hdl-br:  JFJ8
person:      Juvenal de Freitas Carvalho Junior
e-mail:      juvenal.carvalho@sencinet.com
country:     BR
created:     19981025
changed:     20220722

nic-hdl-br:  SLBLS1
person:      SENCINET LATAM BRASIL LTDA  SOC
e-mail:      abuse@sencinet.com
country:     BR
created:     20201202
changed:     20201217

% 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.

#
# ARIN WHOIS data and services are subject to the Terms of Use
# available at: https://www.arin.net/resources/registry/whois/tou/
#
# If you see inaccuracies in the results, please report at
# https://www.arin.net/resources/registry/whois/inaccuracy_reporting/
#
# Copyright 1997-2026, American Registry for Internet Numbers, Ltd.
#


ASNumber:       11271
ASName:         LACNIC-11271
ASHandle:       AS11271
RegDate:        2002-07-27
Updated:        2007-12-17
Comment:        This AS is under LACNIC responsibility for further allocations to
Comment:        users in LACNIC region.
Comment:        Please see http://www.lacnic.net/ for further details, or check the
Comment:        WHOIS server located at http://whois.lacnic.net
Ref:            https://rdap.arin.net/registry/autnum/11271

ResourceLink:  http://lacnic.net/cgi-bin/lacnic/whois
ResourceLink:  whois.lacnic.net


OrgName:        Latin American and Caribbean IP address Regional Registry
OrgId:          LACNIC
Address:        Rambla Republica de Mexico 6125
City:           Montevideo
StateProv:      
PostalCode:     11400
Country:        UY
RegDate:        2002-07-27
Updated:        2018-03-15
Ref:            https://rdap.arin.net/registry/entity/LACNIC

ReferralServer:  whois://whois.lacnic.net
ResourceLink:  http://lacnic.net/cgi-bin/lacnic/whois

OrgTechHandle: LACNIC-ARIN
OrgTechName:   LACNIC Whois Info
OrgTechPhone:  +598-2604-2222 
OrgTechEmail:  whois-contact@lacnic.net
OrgTechRef:    https://rdap.arin.net/registry/entity/LACNIC-ARIN

OrgAbuseHandle: LWI100-ARIN
OrgAbuseName:   LACNIC Whois Info
OrgAbusePhone:  +598-2604-2222 
OrgAbuseEmail:  abuse@lacnic.net
OrgAbuseRef:    https://rdap.arin.net/registry/entity/LWI100-ARIN


#
# ARIN WHOIS data and services are subject to the Terms of Use
# available at: https://www.arin.net/resources/registry/whois/tou/
#
# If you see inaccuracies in the results, please report at
# https://www.arin.net/resources/registry/whois/inaccuracy_reporting/
#
# Copyright 1997-2026, American Registry for Internet Numbers, Ltd.
#

Parsed Whois Response

{
  "status" : true,
  "whois_server" : "whois.arin.net",
  "aut_nums" : [ {
    "aut_num" : "11271",
    "as_handle" : "AS11271",
    "as_name" : "LACNIC-11271",
    "tech_contacts" : [ "LACNIC-ARIN" ],
    "abuse_contacts" : [ "LWI100-ARIN" ],
    "date_created" : "2002-07-27",
    "date_updated" : "2007-12-17",
    "source" : "https://rdap.arin.net/registry/autnum/11271"
  } ],
  "organization" : {
    "handle" : "LACNIC",
    "name" : "Latin American and Caribbean IP address Regional Registry",
    "address" : [ "Rambla Republica de Mexico 6125", "Montevideo", "11400", "UY" ],
    "street" : "Rambla Republica De Mexico",
    "city" : "Montevideo",
    "zip_code" : "11400",
    "country" : [ "UY" ],
    "date_created" : "2002-07-27",
    "date_updated" : "2018-03-15",
    "source" : "https://rdap.arin.net/registry/entity/LACNIC",
    "addressCountry" : "UY"
  },
  "technical_contacts" : [ {
    "handle" : "LACNIC-ARIN",
    "name" : "LACNIC Whois Info",
    "email" : [ "whois-contact@lacnic.net" ],
    "phone" : [ "+598-2604-2222" ],
    "source" : "https://rdap.arin.net/registry/entity/LACNIC-ARIN"
  } ],
  "abuse_contacts" : [ {
    "handle" : "LWI100-ARIN",
    "name" : "LACNIC Whois Info",
    "email" : [ "abuse@lacnic.net" ],
    "phone" : [ "+598-2604-2222" ],
    "source" : "https://rdap.arin.net/registry/entity/LWI100-ARIN"
  } ]
}

Peers

AS Number	Description	Country
AS53020	IDT Brasil Telecomunicações Ltda.	BR
AS206	DXC US Latin America Corporation	US
AS22381	SAMM TECNOLOGIA E TELECOMUNICACOES S.A	BR
AS16735	ALGAR TELECOM S/A	BR
AS22381	Megatelecom Telecomunicacoes Ltda	BR

Upstreams

AS Number	Description	Country
AS22381	SAMM TECNOLOGIA E TELECOMUNICACOES S.A	BR
AS16735	ALGAR TELECOM S/A	BR

Downstreams

AS Number	Description	Country
AS53020	IDT Brasil Telecomunicações Ltda.	BR
AS206	DXC US Latin America Corporation	US