Summary

Country
BR Brazil
Organization UNIVERSIDADE DE SAO PAULO
Domain usp.br
Number of IPv4 163,072
Number of IPv6 7.9229× 1028
AS Type Education
Registry LACNIC
Allocated December 19, 2007 (about 17 years ago)
Updated November 12, 2015 (about 9 years ago)

IP Ranges

AS28571 announces 18 IPv4 ranges and 2 IPv6 ranges.

That's a total of 163,072 IPv4 addresses and 7.9229× 1028 IPv6 addresses.

Prefix Organization Size Registry Status
143.107.0.0/16
BR UNIVERSIDADE DE SAO PAULO
65,536 LACNIC ASSIGNED
177.90.32.0/19
BR UNIVERSIDADE DE SAO PAULO
8,192 LACNIC ASSIGNED
177.90.64.0/18
BR UNIVERSIDADE DE SAO PAULO
16,384 LACNIC ASSIGNED
177.90.128.0/17
BR UNIVERSIDADE DE SAO PAULO
32,768 LACNIC ASSIGNED
200.9.95.0/24
BR UNIVERSIDADE DE SAO PAULO
256 LACNIC ASSIGNED
200.17.16.0/20
BR UNIVERSIDADE DE SAO PAULO
4,096 LACNIC ASSIGNED
200.18.53.0/24
BR Instituto Pesquisas Tecnológicas Do Estado De S.P.
256 LACNIC REASSIGNED
200.18.106.0/23
BR Instituto Pesquisas Tecnológicas Do Estado De S.P.
512 LACNIC REASSIGNED
200.18.108.0/23
BR Instituto Pesquisas Tecnológicas Do Estado De S.P.
512 LACNIC REASSIGNED
200.136.0.0/20
BR UNIVERSIDADE DE SAO PAULO
4,096 LACNIC REASSIGNED
200.136.49.0/24
BR UNIVERSIDADE DE SAO PAULO
256 LACNIC REASSIGNED
200.136.52.0/23
BR INSTITUTO DE PESQUISA ENERGÉTICAS E NUCLEARES
512 LACNIC REASSIGNED
200.136.54.0/24
BR Instituto Butantan
256 LACNIC REASSIGNED
200.144.48.0/20
BR UNIVERSIDADE DE SAO PAULO
4,096 LACNIC REASSIGNED
200.144.72.0/23
BR Fundação Zerbini
512 LACNIC REASSIGNED
200.144.83.0/24
BR Fundação Zerbini
256 LACNIC REASSIGNED
200.144.160.0/19
BR UNIVERSIDADE DE SAO PAULO
8,192 LACNIC ASSIGNED
200.144.192.0/18
BR UNIVERSIDADE DE SAO PAULO
16,384 LACNIC ASSIGNED
Prefix Organization Size Registry Status
2001:12d0::/32
BR UNIVERSIDADE DE SAO PAULO
7.9228× 1028 LACNIC ASSIGNED
2001:12d0:840::/48
BR UNIVERSIDADE DE SAO PAULO
1.2089× 1024 LACNIC ASSIGNED

Peers

AS28571 actively fosters the following peering relationships that enhance network performance through direct, settlement-free traffic exchange. Even with a modest number of peers, each connection serves as a strategic asset—optimizing routing, reducing latency, and minimizing transit costs.

Upstreams

AS28571 connects to the global Internet via at least 2 upstream providers. In this setup, AS28571 acts as a customer, subscribing to these transit services to obtain full BGP routing information and ensure reliable, redundant access to external networks.

Downstreams

AS28571 currently has no downstream networks, meaning it does not serve as a transit provider to customer networks.

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