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AS266620 B4 TELECOM SERVICOS DE COMUNICACAO E TECNOLOGIA

Q: Why is WHOIS data shown for an ASN?

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

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AS Data

IP Routes

Raw Whois

Parsed Whois

Peers

Upstreams

Downstreams

Contacts

Legacy Routes

B4 TELECOM SERVICOS DE COMUNICACAO E TECNOLOGIA b4telecom.net.br

BR 8 Routes

AS Data

AS266620

AS266620 – B4 TELECOM SERVICOS DE COMUNICACAO E TECNOLOGIA

AS Number	266620
AS Name	51.314.084/0001-79
Organization	B4 TELECOM SERVICOS DE COMUNICACAO E TECNOLOGIA
Country	BR
Website	b4telecom.net.br
Number of IPv4 Routes	1
Number of IPv6 Routes	7
Registry	lacnic
Date Allocated	2017-06-08

ASN Intelligence API for production workflows

Use ASN data for AS266620 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	Origin	Origin Name	ISP	# IPs
2804:3ec8::/34	AS0		(VIPLANET) E D TELECOMUNICES LTDA - ME	~20×10²⁷
128.201.86.0/24	AS266620	VIPLANET E D TELECOMUNICES LTDA ME	(VIPLANET) E D TELECOMUNICES LTDA - ME	256
2804:3ec8:8000::/34	AS0		(VIPLANET) E D TELECOMUNICES LTDA - ME	~20×10²⁷
2804:3ec8::/32	AS0		(VIPLANET) E D TELECOMUNICES LTDA - ME	~79×10²⁷
2804:3ec8::/33	AS0		(VIPLANET) E D TELECOMUNICES LTDA - ME	~40×10²⁷
2804:3ec8:8000::/33	AS0		(VIPLANET) E D TELECOMUNICES LTDA - ME	~40×10²⁷
2804:3ec8:4000::/34	AS0		(VIPLANET) E D TELECOMUNICES LTDA - ME	~20×10²⁷
2804:3ec8:c000::/34	AS0		(VIPLANET) E D TELECOMUNICES LTDA - ME	~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.
% 2026-10-21T09:21:04-03:00 - 45.86.19.242

aut-num:     AS266620
owner:       B4 TELECOM SERVICOS DE COMUNICACAO E TECNOLOGIA
ownerid:     51.314.084/0001-79
responsible: Gerson Josino
country:     BR
owner-c:     JGJFI1
routing-c:   AEP95
abuse-c:     AEP95
created:     20170608
changed:     20261020
inetnum:     128.201.84.0/22
inetnum:     2804:3ec8::/32

nic-hdl-br:  JGJFI1
person:      Jose Gerson Josino Filho
e-mail:      gerson@b4telecom.net.br
country:     BR
created:     20250610
changed:     20260617

nic-hdl-br:  AEP95
person:      ANTONIO EVARISTO MARTINS DE PAIVA
e-mail:      evaristopaiva@gmail.com
country:     BR
created:     20050511
changed:     20230710

% 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

{
  "status" : true,
  "whois_server" : "whois.lacnic.net",
  "aut_nums" : [ {
    "aut_num" : "AS266620",
    "country" : "BR",
    "admin_contacts" : [ "JGJFI1" ],
    "tech_contacts" : [ "AEP95" ],
    "abuse_contacts" : [ "AEP95" ],
    "date_created" : "2017-06-08",
    "date_updated" : "2026-10-20",
    "source" : "lacnic"
  } ],
  "organization" : {
    "handle" : "51.314.084/0001-79",
    "name" : "B4 TELECOM SERVICOS DE COMUNICACAO E TECNOLOGIA",
    "country" : [ "BR" ],
    "abuse_contacts" : [ "AEP95" ],
    "date_created" : "2017-06-08",
    "date_updated" : "2026-10-20",
    "source" : "lacnic"
  },
  "administrative_contacts" : [ {
    "handle" : "JGJFI1",
    "country" : "BR",
    "email" : [ "gerson@b4telecom.net.br" ],
    "date_created" : "2025-06-10",
    "date_updated" : "2026-06-17",
    "source" : "lacnic"
  } ],
  "technical_contacts" : [ {
    "handle" : "AEP95",
    "country" : "BR",
    "email" : [ "evaristopaiva@gmail.com" ],
    "date_created" : "2005-05-11",
    "date_updated" : "2023-07-10",
    "source" : "lacnic"
  } ],
  "abuse_contacts" : [ {
    "handle" : "AEP95",
    "country" : "BR",
    "email" : [ "evaristopaiva@gmail.com" ],
    "date_created" : "2005-05-11",
    "date_updated" : "2023-07-10",
    "source" : "lacnic"
  } ]
}

Peers

AS Number	Description	Country
AS264293	Smart Solucoes em Telecomunicacoes	BR
AS273500	YPN TECNOLOGIA LTDA	BR
AS268196	LINKNET SOLUCOES EM TELECOMUNICACOES LTDA	BR

Frequently Asked Questions

What is ASN AS266620?

ASN AS266620 is an Autonomous System Number used to identify a network for BGP internet routing.

Who manages ASN AS266620?

AS266620 is listed under B4 TELECOM SERVICOS DE COMUNICACAO E TECNOLOGIA.

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.

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ASN Summary

AS266620 – B4 TELECOM SERVICOS DE COMUNICACAO E TECNOLOGIA

ASN Intelligence API for production workflows

IP Ranges

Raw Whois Response

Parsed Whois Response

Peers

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Frequently Asked Questions