ASN Lookup Tool

CIT INFORMATICA BR BR 7 Routes

AS Data

AS263983

AS263983 – CIT INFORMATICA

AS Number 263983
AS Name
Organization CIT INFORMATICA()
Country BR
Number of IPv4 Routes 4
Number of IPv6 Routes 3
ASN type ISP
Registry lacnic
Date Allocated 2015-09-04

ASN Intelligence API for production workflows

Use ASN data for AS263983 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

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IP Ranges

Route # IPs
2804:28d4::/33 ~40×10²⁷
2804:28d4:8000::/34 ~20×10²⁷
2804:28d4:c000::/34 ~20×10²⁷
138.255.204.0/24 256
138.255.207.0/24 256
138.255.206.0/24 256
138.255.205.0/24 256

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.
% 2026-03-16T09:14:53-03:00 - 213.255.240.60

aut-num:     AS263983
owner:       CIT INFORMATICA
responsible: Helio Rohden
owner-c:     HEROH
routing-c:   HEROH
abuse-c:     HEROH
created:     20150904
changed:     20160310
inetnum:     138.255.204.0/22
inetnum:     2804:28d4::/32

nic-hdl-br:  HEROH
person:      HELIO ROHDEN
created:     20150330
changed:     20210420

% 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
AS28343 UNIFIQUE TELECOMUNICACOES S/A BR

Upstreams

AS Number Description Country
AS28343 UNIFIQUE TELECOMUNICACOES S/A BR

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Frequently Asked Questions

ASN AS263983 is an Autonomous System Number used to identify a network for BGP internet routing.
AS263983 is listed under CIT INFORMATICA.
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.