AS28121 BB TECNOLOGIA E SERVICOS S/A

AS28121 - BB TECNOLOGIA E SERVICOS S/A · registered in Brazil

IPv4 addresses4,0964 prefixes · <0.001% of announced IPv4

Rank in Brazil#936largest network in BR by IPv4 space, of 7,969 · <0.01% of BR

Rank worldwide#15,885of 79,396 networks with IPv4

IPv6noneno IPv6 routes announced

CountryBrazil8,771 ASNs registered there

Open AS28121 in ASN lookup Look up an IP in this network (187.18.16.1) All networks in Brazil

IPv4 prefixes

All 4 prefixes, in address order.

187.18.16.0/22
187.18.20.0/23
187.18.22.0/23
187.18.24.0/21

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AS28127#937 AS28127 - Cambridge Telecomunicacoes Ltda.4,096

AS28150#938 AS28150 - CDT Network Ltda4,096

AS28163#939 AS28163 - Cosmonline Informatica Ltda4,096

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