ASN Lookup Tool

TefNet Tecnologia Internet Service Provider tefnettecnologia.com.br BR BR 7 Routes

AS Data

AS265238

AS265238 – TefNet Tecnologia Internet Service Provider

AS Number 265238
AS Name 17.106.775/0001-49
Organization TefNet Tecnologia Internet Service Provider
Country BR
Website tefnettecnologia.com.br
Number of IPv4 Routes 4
Number of IPv6 Routes 3
ASN type ISP
Registry lacnic
Date Allocated 2015-12-29

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Use ASN data for AS265238 in automation: routing intelligence, peering analysis, ownership checks, and network observability.

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IP Ranges

Route # IPs
167.250.246.0/24 256
167.250.244.0/24 256
167.250.245.0/24 256
167.250.244.0/22 1024
2804:2cb4::/32 ~79×10²⁷
2804:2cb4::/33 ~40×10²⁷
2804:2cb4:8000::/33 ~40×10²⁷

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.
% 2026-04-10T09:19:35-03:00 - 136.227.173.29

aut-num:     AS265238
owner:       TefNet Tecnologia - Internet Service Provider
ownerid:     17.106.775/0001-49
responsible: TIAGO DE BRITO COSTA
country:     BR
owner-c:     TBCTM
routing-c:   TBCTM
abuse-c:     TBCTM
created:     20151229
changed:     20230131
inetnum:     2804:2cb4::/32
inetnum:     167.250.244.0/23
as-in:       from AS267345 100 accept ANY
as-out:      to AS267345 announce AS265238

nic-hdl-br:  TBCTM
person:      TIAGO DE BRITO COSTA TECNOLOGIA ME
e-mail:      tefnet@tefnettecnologia.com.br
country:     BR
created:     20151119
changed:     20251020

% 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
AS267345 BOM JESUS NET LTDA BR

Upstreams

AS Number Description Country
AS267345 BOM JESUS NET LTDA BR

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Frequently Asked Questions

ASN AS265238 is an Autonomous System Number used to identify a network for BGP internet routing.
AS265238 is listed under TefNet Tecnologia Internet Service Provider.
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.