ASN Lookup Tool

FASTWEB TELECOMUNICACOES fastwebtelecom.net BR BR 10 Routes

AS Data

AS274743

AS274743 – FASTWEB TELECOMUNICACOES

AS Number 274743
AS Name FASTWEB TELECOMUNICACOES
Organization FASTWEB TELECOMUNICACOES
Country BR
Website fastwebtelecom.net
Number of IPv4 Routes 3
Number of IPv6 Routes 7
Registry lacnic
Date Allocated 2025-01-29

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Use ASN data for AS274743 in automation: routing intelligence, peering analysis, ownership checks, and network observability.

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IP Ranges

Route # IPs
2804:92ec:c000::/34 ~20×10²⁷
2804:92ec:8000::/34 ~20×10²⁷
2804:92ec::/32 ~79×10²⁷
2804:92ec::/34 ~20×10²⁷
186.251.212.0/23 512
186.251.212.0/24 256
186.251.213.0/24 256
2804:92ec:8000::/33 ~40×10²⁷
2804:92ec:4000::/34 ~20×10²⁷
2804:92ec::/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.
% 2026-10-20T09:17:07-03:00 - 193.34.72.68

aut-num:     AS274743
owner:       FASTWEB TELECOMUNICACOES
responsible: Daniel Brito Pereira
owner-c:     DABPE186
routing-c:   DABPE186
abuse-c:     DABPE186
created:     20250129
changed:     20250129
inetnum:     2804:92ec::/32
inetnum:     186.251.212.0/24
inetnum:     186.251.213.0/24

nic-hdl-br:  DABPE186
person:      Daniel Brito Pereira
created:     20241206
changed:     20250804

% 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
AS52925 Ascenty Data Centers e Telecomunicações S/A BR
AS15830 Equinix EMEA Acquisition Enterprises B.V. NL
AS7195 EDGEUNO S.A.S CO
AS35280 F5 Networks SARL FR
AS28649 Desktop Sigmanet Comunicação Multimédia SA BR
AS32590 Valve Corporation US
AS52468 UFINET PANAMA S.A. PA

Upstreams

AS Number Description Country
AS15830 Equinix EMEA Acquisition Enterprises B.V. NL
AS28649 Desktop Sigmanet Comunicação Multimédia SA BR
AS52468 UFINET PANAMA S.A. PA

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Frequently Asked Questions

ASN AS274743 is an Autonomous System Number used to identify a network for BGP internet routing.
AS274743 is listed under FASTWEB TELECOMUNICACOES.
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.