AS28571 is the autonomous system of UNIVERSIDADE DE SAO PAULO. It holds 154,624 IPv4 addresses in 16 prefixes plus 1 IPv6 ranges, mainly in 
Brazil.
By IPv4 addresses the network ranks #1,279 worldwide and #24 of 8,018 networks in Brazil. That is 0.18% of the country’s IPv4 space.
The largest block is 143.107.0.0 to 143.107.255.255 with 65,536 addresses, geolocated to São Paulo.
- IPv4 addresses
- 154,624
- IPv4 prefixes
- 16
- World rank
- #1,279
- Country share
- 0.18%
- IPv6 ranges
- 1
Addresses by country
- Brazil 100%
Largest blocks
- 143.107.0.0 São Paulo65,536
- 177.90.64.0 São Paulo49,152
- 200.144.160.0 São Paulo24,576
- 200.144.48.0 São Paulo4,096
- 200.136.0.0 São Paulo4,096
- 200.17.16.0 São Paulo4,096
- 200.18.106.0 Butanta1,024
- 200.136.52.0 São Paulo768
Networks of similar size
154,880
154,624
154,624
154,624
154,624
153,856IPv4 prefixes
Questions and answers
Who owns AS28571?
Autonomous system AS28571 is operated by UNIVERSIDADE DE SAO PAULO.
How many IP addresses does AS28571 have?
The network holds 154,624 IPv4 addresses in 16 prefixes, plus 1 IPv6 ranges.
Which country is AS28571 in?
The main country is Brazil.
How big is AS28571?
By IPv4 addresses it ranks #1,279 worldwide.
What is the largest address block of AS28571?
143.107.0.0 to 143.107.255.255, 65,536 addresses.