AS263605 Centro Nacional de Pesquisa em Energia e Materiais

AS263605 - Centro Nacional de Pesquisa em Energia e Materiais · registered in Brazil

IPv4 addresses2243 prefixes · <0.001% of announced IPv4

Rank in Brazil#7,969largest network in BR by IPv4 space, of 7,969 · <0.01% of BR

Rank worldwide#79,382of 79,396 networks with IPv4

IPv6noneno IPv6 routes announced

CountryBrazil8,771 ASNs registered there

Open AS263605 in ASN lookup Look up an IP in this network (186.249.222.1) All networks in Brazil

IPv4 prefixes

All 3 prefixes, in address order.

186.249.222.0/25
186.249.222.160/27
186.249.222.192/26

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AS275723#7967 AS275723 - Ademir Sulzenco & Cia LTDA256

AS275741#7968 AS275741 - LIGEIRA TELECOMUNICACOES LTDA256

IP-to-ASN data: iptoasn.com (public domain). Snapshot downloaded 2026-11-11, refreshed daily. Ranges are what each network announces in BGP, not registry allocations. Data sources