Autonomous System

AS28571 UNIVERSIDADE DE SAO PAULO

EducationActiveBrazilLACNIC

AS28571 (AS28571) is an education network operated by UNIVERSIDADE DE SAO PAULO in Brazil, registered with LACNIC. It has 46 IPv4 prefixes with 167,168 addresses and 8 IPv6 prefixes, which makes it the 1,481st largest of 82,200 active autonomous systems by IPv4 space.

IPv4 addresses167,168in 46 prefixes
IPv6 prefixes8≈ 7.9 × 10²⁸ addresses
Size rank#1,481of 82,200 active ASNs
Abuser scoreVery Low0.05% of its addresses flagged · method

Details

OrganizationUNIVERSIDADE DE SAO PAULO
AS nameAS28571
Websiteusp.br
Country Brazil (BR)
Network typeEducation
RegistryLACNIC
Abuse contact—
Registered20071219
Last updated20151112

IPv4 prefixes

46 prefixes · 167,168 addresses
NetworkAddressesFirst – last address
143.107.0.0/1665,536143.107.0.0 – 143.107.255.255
177.90.128.0/1732,768177.90.128.0 – 177.90.255.255
177.90.64.0/1816,384177.90.64.0 – 177.90.127.255
200.144.192.0/1816,384200.144.192.0 – 200.144.255.255
200.144.160.0/198,192200.144.160.0 – 200.144.191.255
200.17.16.0/204,096200.17.16.0 – 200.17.31.255
200.136.0.0/204,096200.136.0.0 – 200.136.15.255
200.144.48.0/204,096200.144.48.0 – 200.144.63.255
200.144.184.0/212,048200.144.184.0 – 200.144.191.255
200.144.244.0/221,024200.144.244.0 – 200.144.247.255
143.107.44.0/23512143.107.44.0 – 143.107.45.255
143.107.84.0/23512143.107.84.0 – 143.107.85.255
143.107.178.0/23512143.107.178.0 – 143.107.179.255
200.18.106.0/23512200.18.106.0 – 200.18.107.255
200.18.108.0/23512200.18.108.0 – 200.18.109.255
200.136.52.0/23512200.136.52.0 – 200.136.53.255
200.144.72.0/23512200.144.72.0 – 200.144.73.255
200.144.180.0/23512200.144.180.0 – 200.144.181.255
200.144.182.0/23512200.144.182.0 – 200.144.183.255
200.144.234.0/23512200.144.234.0 – 200.144.235.255
200.144.250.0/23512200.144.250.0 – 200.144.251.255
200.144.252.0/23512200.144.252.0 – 200.144.253.255
200.144.254.0/23512200.144.254.0 – 200.144.255.255
143.107.3.0/24256143.107.3.0 – 143.107.3.255
143.107.8.0/24256143.107.8.0 – 143.107.8.255
The 25 largest of 46. The API and the database have all of them.

IPv6 prefixes

8 prefixes
  • 2001:12d0::/32
  • 2001:12d0::/48
  • 2001:12d0:880::/48
  • 2001:12d0:8c0::/48
  • 2001:12d0:8068::/48
  • 2001:12d0:8070::/48
  • 2001:12d0:c000::/48
  • 2001:12d0:c080::/48

Query AS28571 with the API

The ASN lookup returns everything on this page as JSON, including every prefix. ASN lookups need an API key: a free account comes with 1,000 requests a day. 

curl "https://api.ipapi.is/?q=AS28571&key=YOUR_API_KEY"

Any address in its prefixes resolves to AS28571, with or without a key:

curl "https://api.ipapi.is/?q=143.107.0.1"

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