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If you are scraping this block for the prefixes that a AS originates, please use the data dumps in https://bgp.tools/kb/api and cache them

	Prefix	Description
	138.59.156.0/22	DELTA TELECOM
	143.137.184.0/22	DELTA TELECOM
	170.0.64.0/22	DELTA TELECOM
	177.129.160.0/22	DELTA TELECOM
	191.240.164.0/22	DELTA TELECOM
	2804:dfc::/36	DELTA TELECOM
	2804:dfc::/32	DELTA TELECOM

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Network Policy

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How are upstreams and downstreams calculated?

Upstreams

	ASN	Description	IPv4	IPv6
	AS3356	Lumen (Level 3)	✔	✔
	AS61599	EAI TELECOMUNICACOES LTDA	✔	✔
	AS264943	VIARAPIDA TELECOMUNICAÇÕES LTDA - ME	✔	✘

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Peers

	ASN	Description	IPv4	IPv6
	AS61599	EAI TELECOMUNICACOES LTDA	✔	✔
	AS3356	Lumen (Level 3)	✔	✔
	AS266331	Global Net Informatica Ltda	✔	✔
	AS61762	CONECTABR SISTEMAS DE COMUNICAÇÕES LTDA	✔	✔
	AS267061	Microtec Telecomunicação Ltda - ME	✔	✔
	AS264943	VIARAPIDA TELECOMUNICAÇÕES LTDA - ME	✔	✘
	AS267335	MUNDIAL TELECOMUNICACAO LTDA - ME	✔	✔
	AS6939	Hurricane Electric LLC	✔	✘
	AS262328	CONSTEL TECNOLOGIA LTDA	✔	✘
	AS199524	Gcore S.A.	✔	✔
	AS2635	Automattic, Inc	✔	✔
	AS52925	Ascenty Data Centers e Telecomunicações S/A	✔	✔
	AS214331	Teske Virtual System Ltda	✔	✔
	AS13335	Cloudflare, Inc.	✔	✔
	AS328366	FIRSTNET TECHNOLOGY SERVICES (PTY) LTD	✔	✘
	AS7195	EdgeUno	✘	✔
	AS269180	VIPNET Conexão	✔	✔
	AS40776	TaoNet	✔	✔
	AS215248	Bastiaan Mathijs Brink	✔	✔
	AS271253	LINK BRASIL TELECOMUNICACOES LTDA	✔	✔
	AS266400	Ferenz Networks	✔	✔
	AS52999	START TELECOM LTDA	✔	✔
	AS64049	Reliance Jio Infocomm Pte. Ltd.	✔	✘
	AS34170	Aztelekom LLC	✔	✘
	AS14840	BR.DIGITAL	✔	✔
	AS32590	Valve Corporation	✔	✔
	AS270470	LN TELECOM	✔	✔
	AS42473	Anexia Cloud Solutions GmbH	✔	✔
	AS1251	FUNDAÇÃO DE AMPARO À PESQUISA DO ESTADO SÃO PAULO	✔	✔
	AS1916	RNP - Rede Nacional de Ensino e Pesquisa	✔	✔
	AS401661	EMBNEX, LLC	✔	✔
	AS213622	Falcon FZE LLC	✔	✔
	AS262287	Latitude.sh LTDA	✔	✔
	AS274676	MULTIWAY COMERCIO E REPRESENTACOES LTDA	✔	✔
	AS52888	UNIVERSIDADE FEDERAL DE SAO CARLOS	✔	✔
	AS263152	MIGO TELECOM	✔	✔
	AS36236	NetActuate, Inc	✔	✔
	AS24482	SG.GS	✔	✔
	AS262880	RADAR WISP LTDA	✔	✘
	AS14537	Continent 8 LLC	✔	✔
	AS270824	ENX Services	✔	✔
	AS270684	SOLUCOES SOUZA WEB LTDA	✔	✔
	AS14907	Wikimedia Foundation Inc.	✔	✔
	AS6424	EDGOO NETWORKS	✔	✔
	AS60503	FNX Tecnologia LTDA	✔	✔
	AS61624	ISPSHIELD (InfNOC Tecnologia)	✔	✔
	AS269641	RURALNET BRASIL	✔	✔
	AS262462	Aranet Play	✔	✔
	AS6057	Administracion Nacional de Telecomunicaciones	✔	✔
	AS263541	IMF NETWORK DATA LTDA - ME	✔	✔
	AS267613	ELETRONET S.A.	✔	✔
	AS53062	ALT | GRUPO BRASIL TECPAR	✔	✘
	AS269396	UNIR TELECOM	✔	✔
	AS262999	IVI TECNOLOGIA E COMUNICAÇÃO LTDA	✔	✘
	AS132337	Axclusive	✔	✘
	AS265169	VIPNETT TELECOM	✔	✘
	AS263661	Brasil Digital Telecom	✔	✘
	AS270735	COMPUTIZE NETWORK TELECOMUNICACOES LTDA	✔	✘
	AS264409	Huge Networks	✔	✘
	AS199081	Lancom Ltd.	✔	✘
	AS263903	INFORBARRA TELECOM	✔	✘
	AS29049	Delta Telecom Ltd	✔	✘
	AS28283	Adyl Telecom	✔	✔
	AS214757	Jakub Krsa	✘	✔
	AS265038	TELFO SERVICO DE TELECOMUNICACOES LTDA	✔	✘
	AS200464	PAULO HENRIQUE SILVA DE OLIVEIRA	✘	✔
	AS39120	Convergenze S.p.A.	✘	✔
	AS199829	Akronic Network LTDA	✘	✔
	AS263444	Open X Tecnologia Ltda	✘	✔

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Downstreams

	ASN	Description	IPv4	IPv6
	AS266331	Global Net Informatica Ltda	✔	✔
	AS61762	CONECTABR SISTEMAS DE COMUNICAÇÕES LTDA	✔	✔
	AS267061	Microtec Telecomunicação Ltda - ME	✔	✔
	AS267335	MUNDIAL TELECOMUNICACAO LTDA - ME	✔	✔
	AS262328	CONSTEL TECNOLOGIA LTDA	✔	✘

% IP Client: 2a0c:2f07:9459:2c13:0:0:0:247
 % 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.
% 2026-01-25T22:22:05-03:00 - 2a0c:2f07:9459:2c13::247

aut-num:     AS263042
owner:       DELTA TELECOM
ownerid:     09.595.510/0001-23
responsible: Jean Carlos Bartzen
country:     BR
owner-c:     JECBA
routing-c:   JECBA
abuse-c:     JECBA
created:     20120301
changed:     20210119
inetnum:     177.129.160.0/22
inetnum:     2804:dfc::/32
inetnum:     191.240.164.0/22
inetnum:     138.59.156.0/22
inetnum:     170.0.64.0/22
inetnum:     143.137.184.0/22

nic-hdl-br:  JECBA
person:      Jean Carlos Bartzen
# Email removed, Log into bgp.tools to see whois emails/phone numbers
country:     BR
created:     20060713
changed:     20191213

% 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.

Last Update: 2026-01-26T01:22:05Z UTC

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Member of the following AS-SETs

-	Member	ASN Count
RADB	as-28124	865
RADB	as3491:as-customers-na	45960
RADB	as-267613	5669
RADB	as-ctbc-tools-5	1000
RADB	as40850:as-customers	3680
RADB	as-hurricanev6	21163
RADB	as-7738-bgp-customers	3227
RADB	as-flys	34070
RADB	as-ufinet-latam-brasil	4935
RADB	as-ctbc-customers16	50
RADB	as264943:as-customers	79
RADB	as-7738_customers	3495
RADB	as-ctbc-customers81	50
LEVEL3	as-lumen-customers-asns	10695
RADB	as-durand1-customer	4960