ASN Lookup Tool

AGENCIA DE TECNOLOGIA DA INFORMACAO BR BR 3 Routes

AS Data

AS266637

AS266637 – AGENCIA DE TECNOLOGIA DA INFORMACAO

AS Number 266637
AS Name
Organization AGENCIA DE TECNOLOGIA DA INFORMACAO
Country BR
Number of IPv4 Routes 3
Number of IPv6 Routes 0
ASN type GOVERNMENT
Registry lacnic
Date Allocated 2017-06-19

ASN Intelligence API for production workflows

Use ASN data for AS266637 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
128.201.16.0/24 256
128.201.17.0/24 256
128.201.16.0/23 512

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.
% 2026-04-25T09:19:13-03:00 - 194.135.132.247

aut-num:     AS266637
owner:       AGENCIA DE TECNOLOGIA DA INFORMACAO
responsible: PERIANO CATANI CARDOSO ARANTES
owner-c:     SEFAZ6
routing-c:   SEFAZ6
abuse-c:     SEFAZ6
created:     20170619
changed:     20211001
inetnum:     128.201.16.0/23
inetnum:     2801:80:1d00::/47

nic-hdl-br:  SEFAZ6
person:      SECRETARIA DA FAZENDA
created:     20170515
changed:     20241209

% 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

Peers

AS Number Description Country
AS271253 LINK BRASIL TELECOMUNICACOES LTDA BR
AS262462 Aranet Play BR
AS262352 NOVA TELECOM LTDA BR

Upstreams

AS Number Description Country
AS262352 NOVA TELECOM LTDA BR

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

Get Started
CTA Illustration

Frequently Asked Questions

ASN AS266637 is an Autonomous System Number used to identify a network for BGP internet routing.
AS266637 is listed under AGENCIA DE TECNOLOGIA DA INFORMACAO.
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.