ASN Lookup Tool

TELEF�NICA BRASIL S.A BR BR 1047 Routes

AS Data

AS18881

AS18881 – TELEF�NICA BRASIL S.A

AS Number 18881
AS Name
Organization TELEF�NICA BRASIL S.A()
Country BR
Number of IPv4 Routes 974
Number of IPv6 Routes 73
ASN type BUSINESS
Registry lacnic
Date Allocated 2000-10-23

ASN Intelligence API for production workflows

Use ASN data for AS18881 in automation: routing intelligence, peering analysis, ownership checks, and network observability.

Access complete peers, upstreams, downstreams, routes, WHOIS, and contact intelligence via our API. Learn more

Get ASN API Key ASN API Docs

IP Ranges

Route # IPs
179.186.64.0/20 4096
177.16.192.0/19 8192
191.248.24.0/21 2048
177.207.96.0/20 4096
177.206.80.0/22 1024
179.162.0.0/19 8192
179.176.96.0/19 8192
177.207.8.0/21 2048
2804:7f5:8000::/33 ~40×10²⁷
177.207.152.0/22 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.
% 2026-03-12T08:11:30-03:00 - 134.199.66.243

aut-num:     AS18881
owner:       TELEF�NICA BRASIL S.A
responsible: Diretoria de Planejamento e Tecnologia
owner-c:     ARITE
routing-c:   TEBSA15
abuse-c:     CSTBR
created:     20001023
changed:     20190730
inetnum:     200.175.0.0/18
inetnum:     200.175.64.0/18
inetnum:     200.175.128.0/18
inetnum:     200.175.192.0/18
inetnum:     200.146.0.0/18
inetnum:     200.139.64.0/18
inetnum:     200.146.64.0/18
inetnum:     201.22.0.0/16
inetnum:     201.47.0.0/16
inetnum:     201.86.0.0/16
inetnum:     189.26.0.0/15
inetnum:     189.58.0.0/15
inetnum:     189.114.0.0/15
inetnum:     187.58.0.0/15
inetnum:     187.112.0.0/14
inetnum:     186.212.0.0/14
inetnum:     2804:1b0::/31
inetnum:     177.16.0.0/14
inetnum:     177.40.0.0/14
inetnum:     177.96.0.0/14
inetnum:     2804:7f0::/29
inetnum:     177.132.0.0/14
inetnum:     177.156.0.0/14
inetnum:     177.204.0.0/14
inetnum:     179.176.0.0/14
inetnum:     179.180.0.0/14
inetnum:     179.184.0.0/14
inetnum:     191.248.0.0/14
inetnum:     191.32.0.0/14
inetnum:     2804:1b2::/31
inetnum:     2804:1b4::/30
inetnum:     179.95.0.0/16
inetnum:     179.83.0.0/16
inetnum:     179.162.0.0/16
inetnum:     191.30.0.0/16
inetnum:     191.31.0.0/16

nic-hdl-br:  ARITE
person:      Administra��o Rede IP Telesp
created:     20080407
changed:     20230629

nic-hdl-br:  TEBSA15
person:      TELEFONICA BRASIL S.A
created:     20190530
changed:     20190530

nic-hdl-br:  CSTBR
person:      CSIRT TELEFONICA BR
created:     20180713
changed:     20180713

% 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:       18881
ASName:         LACNIC-18881
ASHandle:       AS18881
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/18881

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

Peers

AS Number Description Country
AS263576 SOPHUS INFORMACOES CADASTRAIS LTDA - EPP BR
AS52890 Centro Integrado de Telemática do Exército BR
AS268170 DOWNLOAD NET TELECOM LTDA - ME BR
AS264370 Lwart Solucoes Ambientais Ltda. BR
AS61678 NETWAY INFORMATICA LTDA BR
AS263625 NEW WORLD PONTO COM INFORMATICA LTDA - ME BR
AS11706 TELEF�NICA BRASIL S.A BR
AS267655 Travelhost Datacenters e Servios de Internet LTDA BR
AS28177 NETWORKBRASIL Ltda. BR
AS53166 UNIVERSIDADE ESTADUAL PAULISTA BR

Upstreams

AS Number Description Country
AS61568 ALOO TELECOM FSF TECNOLOGIA SA BR
AS10429 TELEF�NICA BRASIL S.A BR

Downstreams

AS Number Description Country
AS267130 MULVI Institui��o de Pagamento S.A. BR
AS12956 TELXIUS Cable ES

Legacy Routes

152.255.15.0/24 200.148.128.0/18 200.148.128.0/17 186.200.0.0/16 200.159.64.0/19 186.200.0.0/15 200.162.5.0/24 200.159.64.0/18 200.162.36.0/24 201.85.116.0/23 200.99.149.0/24 189.44.0.0/16 189.44.0.0/17 200.159.0.0/18 200.162.52.0/24 200.159.0.0/19 200.162.44.0/24 187.50.0.0/15 200.153.0.0/18 201.0.246.0/24 200.153.0.0/17 189.20.0.0/16 201.28.128.0/18 189.20.0.0/17 201.28.128.0/17 200.162.22.0/24 186.238.0.0/15 201.63.0.0/16 201.63.0.0/17 201.0.245.0/24 200.232.0.0/17 200.232.0.0/18 187.92.0.0/15 187.92.0.0/16 189.108.0.0/15 189.108.0.0/16 152.255.18.0/24 200.171.192.0/19 200.168.192.0/19 200.206.0.0/17 200.168.192.0/18 189.56.0.0/16 200.205.0.0/17 201.26.238.0/24 200.99.133.0/24 189.56.0.0/15 200.99.138.0/24 200.205.0.0/16 168.227.192.0/22 187.8.0.0/16 168.227.192.0/23 187.8.0.0/15 200.162.48.0/24 200.99.147.0/24 200.198.114.0/24 201.91.0.0/17 200.162.40.0/24 200.202.116.0/24 177.25.0.0/19 201.91.0.0/16 177.25.0.0/18 200.171.192.0/20 200.168.160.0/19 201.0.244.0/24 201.28.0.0/17 201.28.0.0/18 200.198.75.0/24 200.162.54.0/24 200.168.160.0/20 200.99.229.0/24

Ready to get started?Get Started with IP Intelligence API Today

Get Started
CTA Illustration

Frequently Asked Questions

ASN AS18881 is an Autonomous System Number used to identify a network for BGP internet routing.
AS18881 is listed under TELEF�NICA BRASIL S.A.
Peers are lateral network interconnections, upstreams are transit providers, and downstreams are customer networks receiving connectivity.
Routes and IP ranges are the network prefixes announced by the ASN on the internet and show the address space it originates.
WHOIS provides registration and contact context for ASN ownership, administration, and operational reference.
This page previews large ASN datasets. Use See more to load additional rows, and upgrade your plan to view complete peer, route, upstream, and downstream data.