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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
	192.140.88.0/24	ITOP TELECOM LTDA - ME
	192.140.88.0/23	ITOP TELECOM LTDA - ME
	192.140.88.0/22	ITOP TELECOM LTDA - ME
	192.140.89.0/24	ITOP TELECOM LTDA - ME
	192.140.90.0/24	ITOP TELECOM LTDA - ME
	192.140.90.0/23	ITOP TELECOM LTDA - ME
	192.140.91.0/24	ITOP TELECOM LTDA - ME
	2804:3d34::/32	ITOP TELECOM LTDA - ME
	2804:3d34:10::/44	ITOP TELECOM LTDA - ME
	2804:3d34:20::/44	ITOP TELECOM LTDA - ME
	2804:3d34:5000::/42	ITOP TELECOM LTDA - ME
	2804:3d34:8000::/45	ITOP TELECOM LTDA - ME
	2804:3d34:8010::/45	ITOP TELECOM LTDA - ME
	2804:3d34:8018::/45	ITOP TELECOM LTDA - ME

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Network Policy

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How are upstreams and downstreams calculated?

Upstreams

	ASN	Description	IPv4	IPv6
	AS28306	Voluy Telecom Eireli	✔	✔
	AS21574	Century Telecom Ltda	✔	✔

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Peers

	ASN	Description	IPv4	IPv6
	AS28306	Voluy Telecom Eireli	✔	✔
	AS21574	Century Telecom Ltda	✔	✔
	AS6939	Hurricane Electric LLC	✔	✔
	AS274369	L3 NETWORKS LTDA	✔	✔
	AS264385	Itop Internet e Servicos LTDA	✔	✘
	AS199524	Gcore S.A.	✔	✔
	AS14840	BR.DIGITAL	✔	✔
	AS35280	F5 Networks SARL	✘	✔
	AS214331	Teske Virtual System Ltda	✔	✔
	AS9498	Bharti Airtel Ltd.	✔	✘
	AS328366	FIRSTNET TECHNOLOGY SERVICES (PTY) LTD	✔	✘
	AS40776	TaoNet	✔	✔
	AS266400	Ferenz Networks	✔	✔
	AS2635	Automattic, Inc	✔	✔
	AS215248	Bastiaan Mathijs Brink	✔	✔
	AS271253	LINK BRASIL TELECOMUNICACOES LTDA	✔	✔
	AS269180	VIPNET Conexão	✔	✔
	AS14537	Continent 8 LLC	✔	✔
	AS34170	Aztelekom LLC	✔	✘
	AS60503	FNX Tecnologia LTDA	✔	✔
	AS213622	Falcon FZE LLC	✔	✔
	AS262287	Latitude.sh LTDA	✔	✔
	AS1251	FUNDAÇÃO DE AMPARO À PESQUISA DO ESTADO SÃO PAULO	✔	✔
	AS32590	Valve Corporation	✔	✔
	AS36236	NetActuate, Inc	✔	✔
	AS42473	Anexia Cloud Solutions GmbH	✔	✔
	AS6057	Administracion Nacional de Telecomunicaciones	✔	✔
	AS270824	ENX Services	✔	✔
	AS1916	RNP - Rede Nacional de Ensino e Pesquisa	✔	✔
	AS263152	MIGO TELECOM	✔	✔
	AS61624	ISPSHIELD (InfNOC Tecnologia)	✔	✔
	AS262462	Aranet Play	✔	✔
	AS6424	EDGOO NETWORKS	✔	✔
	AS52888	UNIVERSIDADE FEDERAL DE SAO CARLOS	✔	✔
	AS269641	RURALNET BRASIL	✔	✔
	AS270684	SOLUCOES SOUZA WEB LTDA	✔	✔
	AS14907	Wikimedia Foundation Inc.	✔	✔
	AS24482	SG.GS	✔	✔
	AS274676	MULTIWAY COMERCIO E REPRESENTACOES LTDA	✔	✔
	AS401661	EMBNEX, LLC	✔	✔
	AS214757	Jakub Krsa	✘	✔
	AS263541	IMF NETWORK DATA LTDA - ME	✔	✔
	AS52999	START TELECOM LTDA	✔	✔
	AS1031	PEER 1031 LLC	✔	✘
	AS199081	Lancom Ltd.	✔	✘
	AS263661	Brasil Digital Telecom	✔	✘
	AS265169	VIPNETT TELECOM	✔	✘
	AS269396	UNIR TELECOM	✔	✔
	AS264409	Huge Networks	✔	✘
	AS28166	TESA - Telecom South America	✔	✘
	AS29049	Delta Telecom Ltd	✔	✘
	AS132337	Axclusive	✔	✘
	AS263903	INFORBARRA TELECOM	✔	✘
	AS262999	IVI TECNOLOGIA E COMUNICAÇÃO LTDA	✔	✘
	AS270735	COMPUTIZE NETWORK TELECOMUNICACOES LTDA	✔	✘
	AS265038	TELFO SERVICO DE TELECOMUNICACOES LTDA	✔	✘
	AS200464	PAULO HENRIQUE SILVA DE OLIVEIRA	✘	✔
	AS39120	Convergenze S.p.A.	✘	✔
	AS199829	Akronic Network LTDA	✘	✔
	AS267613	ELETRONET S.A.	✔	✔
	AS49544	i3D.net B.V	✔	✔
	AS262589	SAMM (Internexa)	✘	✔
	AS262832	Link Cariri	✘	✔
	AS270470	LN TELECOM	✘	✔
	AS263444	Open X Tecnologia Ltda	✔	✔
	AS269070	Hostzone Tecnologia LTDA	✔	✘
	AS53062	ALT | GRUPO BRASIL TECPAR	✔	✘

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Downstreams

	ASN	Description	IPv4	IPv6
	AS274369	L3 NETWORKS LTDA	✔	✔
	AS264385	Itop Internet e Servicos 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.
% 2026-04-21T00:41:25-03:00 - 2a0c:2f07:9459:2c13::247

aut-num:     AS266260
owner:       ITOP TELECOM LTDA - ME
ownerid:     11.767.198/0001-50
responsible: Marcos Luiz Domingos Pires
country:     BR
owner-c:     ITLME68
routing-c:   ITLME68
abuse-c:     VSLNE9
created:     20170508
changed:     20240110
inetnum:     192.140.88.0/22
inetnum:     2804:3d34::/32
as-in:       from AS52917 300 accept AS52917
as-in:       from AS52752 300 accept AS52752
as-in:       from AS28133 300 accept AS28133
as-in:       from AS53013 100 accept ANY
as-in:       from AS21574 200 accept ANY
as-out:      to AS21574 announce AS266260
as-out:      to AS53013 announce AS266260
as-out:      to AS21574 announce AS52917
as-out:      to AS21574 announce AS52752
as-out:      to AS53013 announce AS52752
as-out:      to AS53013 announce AS52917
as-out:      to AS21574 announce AS52917
as-out:      to AS53013 announce AS28133

nic-hdl-br:  ITLME68
person:      ITOP TELECOM LTDA - ME
# Email removed, Log into bgp.tools to see whois emails/phone numbers
country:     BR
created:     20170314
changed:     20201031

nic-hdl-br:  VSLNE9
person:      VICENTE S�RIO LEMES NETTO
# Email removed, Log into bgp.tools to see whois emails/phone numbers
country:     BR
created:     20230914
changed:     20230914

% 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: 2026-04-21T03:41:25Z UTC

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Member of the following AS-SETs

-	Member	ASN Count
RADB	as-ctbc-tools-2	1000
RADB	as-gnt-customers	1404
ALTDB	as-cabotelecom-cust	244
ALTDB	as-hwng-downstreams	2598
RADB	as28220:as-transit	286
RADB	as-sb-automation-customer	2474
RADB	as-openx-customers	1219
RADB	as-53427-tglobal	2374
RADB	as53013:as-cone	10045
RADB	as-americantower-clients-of-clients	867
RADB	as-hurricanev6	21128
RADB	as-e1-automation-customer	4997
RADB	as52320:as-customers	1320
RADB	as-americantower	1044
RADB	as-britis	224
RADB	as-ufinet-latam-brasil	4935
RADB	as-durand1-customer	4956
RADB	as-ctbc-customers48	49
RADB	as-21574-customers	580