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 37 IPv4 prefixes with 164,096 addresses and 7 IPv6 prefixes, which makes it the 1,503rd largest of 82,283 active autonomous systems by IPv4 space.

IPv4 addresses164,096in 37 prefixes
IPv6 prefixes7≈ 7.9 × 10²⁸ addresses
Size rank#1,503of 82,283 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 contactstiadmin@usp.br
Registered20071219
Last updated20151112

IPv4 prefixes

37 prefixes · 164,096 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
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
143.107.154.0/24256143.107.154.0 – 143.107.154.255
143.107.248.0/24256143.107.248.0 – 143.107.248.255
143.107.253.0/24256143.107.253.0 – 143.107.253.255
143.107.254.0/24256143.107.254.0 – 143.107.254.255
The 25 largest of 37. The API and the database have all of them.

IPv6 prefixes

7 prefixes
  • 2001:12d0::/32
  • 2001:12d0::/48
  • 2001:12d0:880::/48
  • 2001:12d0:8c0::/48
  • 2001:12d0:8130::/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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