AS28203 is the autonomous system of Webcenter Sist Prest de Servicos de Informatica. It holds 3,840 IPv4 addresses in 4 prefixes, mainly in 
Brazil.
By IPv4 addresses the network ranks #16,837 worldwide and #1,030 of 8,018 networks in Brazil.
The largest block is 189.91.36.0 to 189.91.47.255 with 3,072 addresses, geolocated to Santana de Parnaíba.
- IPv4 addresses
- 3,840
- IPv4 prefixes
- 4
- World rank
- #16,837
Addresses by country
- Brazil 100%
Largest blocks
- 189.91.36.0 Santana de Parnaíba3,072
- 189.91.32.0 Santana de Parnaíba768
Networks of similar size
3,840
3,840
3,840
3,840
3,840
3,840IPv4 prefixes
Questions and answers
Who owns AS28203?
Autonomous system AS28203 is operated by Webcenter Sist Prest de Servicos de Informatica.
How many IP addresses does AS28203 have?
The network holds 3,840 IPv4 addresses in 4 prefixes.
Which country is AS28203 in?
The main country is Brazil.
How big is AS28203?
By IPv4 addresses it ranks #16,837 worldwide.
What is the largest address block of AS28203?
189.91.36.0 to 189.91.47.255, 3,072 addresses.