AS28637 Cia Proc. de Dados do Estado de S Paulo - Prodesp

AS28637 - Cia Proc. de Dados do Estado de S Paulo - Prodesp · registered in Brazil

IPv4 addresses24,57611 prefixes · <0.001% of announced IPv4

Rank in Brazil#121largest network in BR by IPv4 space, of 7,969 · 0.03% of BR

Rank worldwide#5,491of 79,396 networks with IPv4

IPv61 x /32 (65,536 x /48)1 prefixes

CountryBrazil8,771 ASNs registered there

Open AS28637 in ASN lookup Look up an IP in this network (200.144.0.1) All networks in Brazil

IPv4 prefixes

All 11 prefixes, in address order.

200.144.0.0/22
200.144.4.0/22
200.144.8.0/21
200.144.16.0/20
201.55.0.0/19
201.55.32.0/21
201.55.40.0/22
201.55.44.0/23
201.55.46.0/24
201.55.47.0/24
201.55.48.0/20

IPv6 prefixes

All 1 prefix.

2804:18c::/32

Similar-sized networks in Brazil

ASNNameIPv4 addresses

AS52573#118 AS52573 - Une Telecom Ltda25,088

AS10412#119 AS10412 - CIA. DE TECNOL. DA INFOR. E COMUNICACAO DO PARANA24,576

AS28634#120 AS28634 - Life Tecnologia Ltda.24,576

AS5772#122 AS5772 - Unisys Brasil Ltda.24,576

AS263590#123 AS263590 - LOCAWEB SERVICOS DE INTERNET S.A.24,576

AS262663#124 AS262663 - METROFLEX TELECOMUNICACOES LTDA23,296

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