Report for 28571

Name

UNIVERSIDADE DE SAO PAULO, BR

AS Adjacency Report

In the context of this report "Upstream" indicates that there is an adjacent AS that lines between the BGP table collection point (in this case at AS2.0) and the specified AS. Similarly, "Downstream" refers to an adjacent AS that lies beyond the specified AS. This upstream / downstream categorisation is strictly a description relative topology, and should not be confused with provider / customer / peer inter-AS relationships.

28571 UNIVERSIDADE DE SAO PAULO, BR

  Adjacency:     5  Upstream:     5  Downstream:     0
  Upstream Adjacent AS list
    AS10429         TELEFONICA BRASIL S.A, BR
    AS1251          FUNDACAO DE AMPARO A PESQUISA DO ESTADO SAO PAULO, BR
    AS52468         UFINET PANAMA S.A., PA
    AS61610         ELEA DATA CENTERS, BR
    AS1916          Rede Nacional de Ensino e Pesquisa, BR

Announced Prefixes

Rank  AS       Type    Originate Addr Space  (pfx)   Transit Addr space  (pfx)  Description
1419  AS28571        ORIGIN  Originate:     178432 /14.55  Transit:          0 /0.00  UNIVERSIDADE DE SAO PAULO, BR

Aggregation Suggestions

        Filter: Aggregates, Specifics

This report does not take into account conditions local to each origin AS in terms of policy or traffic engineering requirements, so this is an approximate guideline as to aggregation possibilities.

 Rank AS            AS Name                                      Current  Wthdw  Aggte  Annce Redctn       %
 4430 AS28571       UNIVERSIDADE DE SAO PAULO, BR                     53     15      4     42     11  20.75%


  Prefix               AS Path                              Aggregation Suggestion
  143.107.0.0/16       4777 2497 3356 61610 28571   
  143.107.3.0/24       4777 2497 174 52468 28571   
  143.107.8.0/24       4777 2497 174 52468 28571   
  143.107.14.0/24      4777 2497 174 52468 28571   
  143.107.27.0/24      4777 2497 174 52468 28571   
  143.107.44.0/23      4777 2497 174 52468 28571   
  143.107.64.0/24      4777 2497 174 52468 28571   
  143.107.84.0/23      4777 2497 174 52468 28571   
  143.107.86.0/24      4777 2497 174 52468 28571   
  143.107.88.0/24      4777 2497 174 52468 28571   
  143.107.92.0/23      4777 2497 174 52468 28571   
  143.107.154.0/24     4777 2497 174 52468 28571   
  143.107.178.0/23     4777 2497 174 52468 28571   
  143.107.248.0/24     4777 2497 174 52468 28571   
  143.107.252.0/23     4777 2497 174 52468 28571 + Announce - aggregate of 143.107.252.0/24 (4777 2497 174 52468 28571) and 143.107.253.0/24 (4777 2497 174 52468 28571)
  143.107.252.0/24     4777 2497 174 52468 28571 - Withdrawn - aggregated with 143.107.253.0/24 (4777 2497 174 52468 28571)
  143.107.253.0/24     4777 2497 174 52468 28571 - Withdrawn - aggregated with 143.107.252.0/24 (4777 2497 174 52468 28571)
  143.107.254.0/24     4777 2497 174 52468 28571   
  177.90.32.0/19       4777 2497 3356 61610 28571   
  177.90.64.0/18       4777 2497 3356 61610 28571   
  177.90.128.0/17      4777 2497 3356 61610 28571   
  200.9.95.0/24        4777 2497 3356 61610 28571   
  200.17.16.0/20       4777 2497 3356 61610 28571   
  200.17.27.0/24       4608 7575 11537 1916 28571   
  200.18.53.0/24       4777 2497 3356 61610 28571   
  200.18.106.0/23      4777 2497 3356 61610 28571   
  200.18.108.0/23      4777 2497 3356 61610 28571   
  200.136.0.0/20       4777 2497 3356 61610 28571   
  200.136.49.0/24      4777 2497 3356 61610 28571   
  200.136.52.0/23      4777 2497 3356 61610 28571   
  200.136.54.0/24      4777 2497 3356 61610 28571   
  200.144.48.0/20      4777 2497 3356 61610 28571   
  200.144.60.0/24      4777 2497 174 52468 28571   
  200.144.62.0/23      4777 2497 174 52468 28571   
  200.144.72.0/23      4777 2497 3356 61610 28571   
  200.144.160.0/19     4777 2497 3356 61610 28571   
  200.144.180.0/22     4777 2497 174 52468 28571 + Announce - aggregate of 200.144.180.0/23 (4777 2497 174 52468 28571) and 200.144.182.0/23 (4777 2497 174 52468 28571)
  200.144.180.0/23     4777 2497 174 52468 28571 - Withdrawn - aggregated with 200.144.182.0/23 (4777 2497 174 52468 28571)
  200.144.182.0/23     4777 2497 174 52468 28571 - Withdrawn - aggregated with 200.144.180.0/23 (4777 2497 174 52468 28571)
  200.144.184.0/21     4777 2497 174 52468 28571   
  200.144.192.0/18     4777 2497 3356 61610 28571   
  200.144.206.0/23     4777 2497 174 52468 28571   
  200.144.212.0/24     4777 2497 174 52468 28571   
  200.144.234.0/23     4777 2497 174 52468 28571   
  200.144.236.0/22     4777 2497 174 52468 28571 + Announce - aggregate of 200.144.236.0/23 (4777 2497 174 52468 28571) and 200.144.238.0/23 (4777 2497 174 52468 28571)
  200.144.236.0/24     4777 2497 174 52468 28571 - Withdrawn - aggregated with 200.144.237.0/24 (4777 2497 174 52468 28571)
  200.144.237.0/24     4777 2497 174 52468 28571 - Withdrawn - aggregated with 200.144.236.0/24 (4777 2497 174 52468 28571)
  200.144.238.0/24     4777 2497 174 52468 28571 - Withdrawn - aggregated with 200.144.239.0/24 (4777 2497 174 52468 28571)
  200.144.239.0/24     4777 2497 174 52468 28571 - Withdrawn - aggregated with 200.144.238.0/24 (4777 2497 174 52468 28571)
  200.144.240.0/20     4777 2497 174 52468 28571 + Announce - aggregate of 200.144.240.0/21 (4777 2497 174 52468 28571) and 200.144.248.0/21 (4777 2497 174 52468 28571)
  200.144.240.0/22     4777 2497 174 52468 28571 - Withdrawn - aggregated with 200.144.244.0/22 (4777 2497 174 52468 28571)
  200.144.244.0/22     4777 2497 174 52468 28571 - Withdrawn - aggregated with 200.144.240.0/22 (4777 2497 174 52468 28571)
  200.144.248.0/24     4777 2497 174 52468 28571 - Withdrawn - aggregated with 200.144.249.0/24 (4777 2497 174 52468 28571)
  200.144.249.0/24     4777 2497 174 52468 28571 - Withdrawn - aggregated with 200.144.248.0/24 (4777 2497 174 52468 28571)
  200.144.250.0/23     4777 2497 174 52468 28571 - Withdrawn - aggregated with 200.144.248.0/23 (4777 2497 174 52468 28571)
  200.144.252.0/23     4777 2497 174 52468 28571 - Withdrawn - aggregated with 200.144.254.0/23 (4777 2497 174 52468 28571)
  200.144.254.0/23     4777 2497 174 52468 28571 - Withdrawn - aggregated with 200.144.252.0/23 (4777 2497 174 52468 28571)

Advertisements that are fragments of the original RIR allocation (more specifics) originated by this AS.

AS28571   47 More Specifics   53 Total Advertisements   UNIVERSIDADE DE SAO PAULO, BR
    143.107.3.0/24                143.107.0.0/16
    143.107.8.0/24                143.107.0.0/16
    143.107.14.0/24               143.107.0.0/16
    143.107.27.0/24               143.107.0.0/16
    143.107.44.0/23               143.107.0.0/16
    143.107.64.0/24               143.107.0.0/16
    143.107.84.0/23               143.107.0.0/16
    143.107.86.0/24               143.107.0.0/16
    143.107.88.0/24               143.107.0.0/16
    143.107.92.0/23               143.107.0.0/16
    143.107.154.0/24              143.107.0.0/16
    143.107.178.0/23              143.107.0.0/16
    143.107.248.0/24              143.107.0.0/16
    143.107.252.0/24              143.107.0.0/16
    143.107.253.0/24              143.107.0.0/16
    143.107.254.0/24              143.107.0.0/16
    177.90.32.0/19                177.90.0.0/16
    177.90.64.0/18                177.90.0.0/16
    177.90.128.0/17               177.90.0.0/16
    200.17.27.0/24                200.17.16.0/20
    200.18.53.0/24                200.18.48.0/20
    200.18.106.0/23               200.18.96.0/20
    200.18.108.0/23               200.18.96.0/20
    200.136.0.0/20                200.136.0.0/16
    200.136.49.0/24               200.136.0.0/16
    200.136.52.0/23               200.136.0.0/16
    200.136.54.0/24               200.136.0.0/16
    200.144.48.0/20               200.144.32.0/19
    200.144.60.0/24               200.144.32.0/19
    200.144.62.0/23               200.144.32.0/19
    200.144.180.0/23              200.144.160.0/19
    200.144.182.0/23              200.144.160.0/19
    200.144.184.0/21              200.144.160.0/19
    200.144.206.0/23              200.144.192.0/18
    200.144.212.0/24              200.144.192.0/18
    200.144.234.0/23              200.144.192.0/18
    200.144.236.0/24              200.144.192.0/18
    200.144.237.0/24              200.144.192.0/18
    200.144.238.0/24              200.144.192.0/18
    200.144.239.0/24              200.144.192.0/18
    200.144.240.0/22              200.144.192.0/18
    200.144.244.0/22              200.144.192.0/18
    200.144.248.0/24              200.144.192.0/18
    200.144.249.0/24              200.144.192.0/18
    200.144.250.0/23              200.144.192.0/18
    200.144.252.0/23              200.144.192.0/18
    200.144.254.0/23              200.144.192.0/18

Whois Entry

whois: 402332

IANA has recorded AS28571 as originally allocated by 
/usr/bin/whois -h jwhois.apnic.netr "AS28571\n             % Joint Whois - whois.lacnic.net
             %  This server accepts single ASN, IPv4 or IPv6 queries
              
             
             Query rate limit exceeded