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AS271128 FAST WEB | IPGeolocation.io

Q: Why is WHOIS data shown for an ASN?

WHOIS data provides registration and contact context for ASN ownership, administration, and operational reference.

ASN Lookup Tool

FAST WEB

BR 6 Routes

AS Data

AS271128

AS271128 – FAST WEB

AS Number	271128
AS Name
Organization	FAST WEB()
Country	BR
Number of IPv4 Routes	3
Number of IPv6 Routes	3
ASN type	ISP
Registry	lacnic
Date Allocated	2020-08-06

ASN Intelligence API for production workflows

Use ASN data for AS271128 in automation: routing intelligence, peering analysis, ownership checks, and network observability.

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IP Ranges

Route	Origin	Origin Name	ISP	# IPs
179.42.48.0/22	AS271128	FAST WEB	FAST WEB	1024
179.42.50.0/23	AS271128	FAST WEB	FAST WEB	512
179.42.48.0/23	AS271128	FAST WEB	FAST WEB	512
2804:76b0:4000::/34	AS271128	FAST WEB	FAST WEB	~20×10²⁷
2804:76b0::/32	AS271128	FAST WEB	FAST WEB	~79×10²⁷
2804:76b0::/34	AS271128	FAST WEB	FAST WEB	~20×10²⁷

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.
% 2026-03-05T09:20:58-03:00 - 206.204.12.5

aut-num:     AS271128
owner:       FAST WEB
responsible: Jackson da silva
owner-c:     JASIL820
routing-c:   JASIL820
abuse-c:     JASIL820
created:     20200806
changed:     20200806
inetnum:     179.42.48.0/22
inetnum:     2804:76b0::/32

nic-hdl-br:  JASIL820
person:      Jackson da silva
created:     20200727
changed:     20250422

% 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
AS263903	INFORBARRA TELECOM	BR
AS7195	EDGEUNO S.A.S	CO
AS262589	SAMM TECNOLOGIA E TELECOMUNICACOES S.A	BR
AS6939	Hurricane Electric LLC	US
AS60602	Inovare-Prim SRL	MD
AS266142	Bahiadados Telecom Ltda.	BR
AS14537	Continent 8 LLC	US
AS269416	SEMEAR TELECOM EIRELI	BR
AS263283	JGNET - J G DE OLIVEIRA MATOS & CIA LTDA	BR
AS199524	G-Core Labs S.A.	LU

Upstreams

AS Number	Description	Country
AS39120	Convergenze S.p.A.	IT
AS7195	EDGEUNO S.A.S	CO
AS35280	F5 Networks SARL	FR
AS263237	PowerHost Telecom SPA	CL
AS6939	Hurricane Electric LLC	US
AS52872	VOANET Telecomunica��es Ltda.	BR
AS6057	Administracion Nacional de Telecomunicaciones	UY
AS265019	NEX TELECOM LTDA ME	BR
AS52873	Softdados Telecomunica��es	BR
AS1916	Rede Nacional de Ensino e Pesquisa	BR

Downstreams

AS Number	Description	Country
AS268393	LINKTECH PROVEDOR DE INTERNET	BR

Frequently Asked Questions

What is ASN AS271128?

ASN AS271128 is an Autonomous System Number used to identify a network for BGP internet routing.

Who manages ASN AS271128?

AS271128 is listed under FAST WEB.

What do peers, upstreams, and downstreams mean?

Peers are lateral network interconnections, upstreams are transit providers, and downstreams are customer networks receiving connectivity.

What are routes and IP ranges for an ASN?

Routes and IP ranges are the network prefixes announced by the ASN on the internet and show the address space it originates.

Why is WHOIS data included here?

WHOIS provides registration and contact context for ASN ownership, administration, and operational reference.

How can I access full ASN table data?

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.