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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
	45.236.248.0/24	Nossanet Fibra Eireli
	45.236.248.0/23	Nossanet Fibra Eireli
	45.236.248.0/22	Nossanet Fibra Eireli
	45.236.249.0/24	Nossanet Fibra Eireli
	45.236.250.0/24	Nossanet Fibra Eireli
	45.236.250.0/23	Nossanet Fibra Eireli
	45.236.251.0/24	Nossanet Fibra Eireli
	2804:4e50::/32	Nossanet Fibra Eireli
	2804:4e50:1::/48	Nossanet Fibra Eireli
	2804:4e50:100::/40	Nossanet Fibra Eireli

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Network Policy

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How are upstreams and downstreams calculated?

Upstreams

	ASN	Description	IPv4	IPv6
	AS52468	UFINET PANAMA S.A.	✔	✔
	AS6939	Hurricane Electric LLC	✘	✔
	AS268197	Fibervision Tecnologia Ltda	✔	✘

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Peers

	ASN	Description	IPv4	IPv6
	AS6939	Hurricane Electric LLC	✔	✔
	AS52468	UFINET PANAMA S.A.	✔	✔
	AS264170	Winet Brasil	✘	✔
	AS268197	Fibervision Tecnologia Ltda	✔	✔
	AS269351	Lets GO Internet	✘	✔
	AS270550	TELECOMFIBER SERVICOS DE ACESSO A INTERNET EIRELI	✘	✔
	AS2635	Automattic, Inc	✔	✔
	AS14840	BR.DIGITAL	✘	✔
	AS53013	Ufinet Brasil (WixNet do Brasil)	✔	✘
	AS7195	EdgeUno	✘	✔
	AS13335	Cloudflare, Inc.	✔	✔
	AS1916	RNP - Rede Nacional de Ensino e Pesquisa	✔	✔
	AS214331	Teske Virtual System Ltda	✘	✔
	AS214757	Jakub Krsa	✘	✔
	AS269180	VIPNET Conexão	✘	✔
	AS266400	Ferenz Networks	✘	✔
	AS40776	TaoNet	✘	✔
	AS14907	Wikimedia Foundation Inc.	✘	✔
	AS60503	FNX Tecnologia LTDA	✘	✔
	AS61624	ISPSHIELD (InfNOC Tecnologia)	✘	✔
	AS263444	Open X Tecnologia Ltda	✘	✔
	AS199829	Akronic Network LTDA	✘	✔
	AS274676	MULTIWAY COMERCIO E REPRESENTACOES LTDA	✘	✔
	AS270684	WEB KONECT TELECOM DE FRUTAL LTDA	✘	✔
	AS1251	FUNDAÇÃO DE AMPARO À PESQUISA DO ESTADO SÃO PAULO	✘	✔
	AS6424	EDGOO NETWORKS	✘	✔
	AS32590	Valve Corporation	✘	✔
	AS36236	NetActuate, Inc	✘	✔
	AS263661	Brasil Digital Telecom	✘	✔
	AS42473	Anexia Cloud Solutions GmbH	✘	✔
	AS262287	Latitude.sh LTDA	✘	✔
	AS215248	Bastiaan Mathijs Brink	✘	✔
	AS52888	UNIVERSIDADE FEDERAL DE SAO CARLOS	✘	✔
	AS24482	SG.GS	✘	✔
	AS15169	Google LLC	✔	✘
	AS262832	Link Cariri	✘	✔
	AS262589	SAMM (Internexa)	✘	✔
	AS20473	The Constant Company, LLC	✘	✔
	AS262462	Aranet Play	✘	✔
	AS270470	LN TELECOM	✘	✔
	AS269396	UNIR TELECOM	✘	✔

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Downstreams

	ASN	Description	IPv4	IPv6
	AS264170	Winet Brasil	✘	✔
	AS268197	Fibervision Tecnologia Ltda	✔	✔
	AS269351	Lets GO Internet	✘	✔
	AS270550	TELECOMFIBER SERVICOS DE ACESSO A INTERNET EIRELI	✘	✔

% IP Client: 2a0c:2f07:9459:2c8:0:0:0:247
 % 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.
% 2025-10-29T02:52:47-03:00 - 2a0c:2f07:9459:2c8::247

aut-num:     AS268253
owner:       Nossanet Fibra Eireli
ownerid:     23.375.960/0001-31
responsible: Andr� Nascimento Da Silva
country:     BR
owner-c:     ANNSI201
routing-c:   ANNSI201
abuse-c:     ANNSI201
created:     20180523
changed:     20220325
inetnum:     45.236.248.0/22
inetnum:     2804:4e50::/32

nic-hdl-br:  ANNSI201
person:      Andr� Nascimento da Silva
# Email removed, Log into bgp.tools to see whois emails
country:     BR
created:     20220325
changed:     20240816

% 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: 2025-10-29T05:52:47Z UTC / (Click here to force a refresh)

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Member of the following AS-SETs

-	Member	ASN Count
RADB	as-stormwall-set	12327
RADB	as-ctbc-customers152	50
RADB	as-hurricanev6	20348
ALTDB	as-as264170	51
ALTDB	as-secw	173
RADB	as-durand1-customer	4619
RADB	as-ufinet-latam-brasil	4935
RADB	as-embratelnet	6269
RADB	as-e1-automation-customer	4749
RADB	as26615:as-customers	7550
RADB	as-ctbc-tools	9675
RADB	as-264144	78
RADB	as-ufla-transcust	9643
RIPE	as-stormwall-set	12327
RADB	as53013:as-cone	9643
NTTCOM	as-alianca-clients	11
RADB	as-maxihost	540
ALTDB	as268253:as-nossanet	3
ALTDB	as-aliancanet	39
RADB	as-267613	5357