Report for 52888

Name

AS52888 - UNIVERSIDADE FEDERAL DE SAO CARLOS, 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 AS6447) 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.

52888 UNIVERSIDADE FEDERAL DE SAO CARLOS, BR

  Adjacency:     5  Upstream:     4  Downstream:     1
  Upstream Adjacent AS list
    AS1251          FUNDACAO DE AMPARO A PESQUISA DO ESTADO SAO PAULO, BR
    AS6939          HURRICANE, US
    AS268490        A.I.P. INTERNET, BR
    AS1916          Rede Nacional de Ensino e Pesquisa, BR
  Downstream Adjacent AS list
    AS11097         EMPRESA BRASILEIRA DE PESQUISA AGROPECUARIA, BR

Announced Prefixes

Rank  AS       Type    Originate Addr Space  (pfx)   Transit Addr space  (pfx)  Description
5243  AS52888        ORG+TRN Originate:      33536 /16.97  Transit:        512 /23.00 UNIVERSIDADE FEDERAL DE SAO CARLOS, 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       %
 7604 AS52888       UNIVERSIDADE FEDERAL DE SAO CARLOS, BR            18      7      1     12      6  33.33%


  Prefix               AS Path                              Aggregation Suggestion
  186.219.80.0/20      6939 1916 52888        
  186.219.88.0/22      6939 52888             
  186.219.92.0/22      6939 1916 52888      - Withdrawn - matching aggregate 186.219.80.0/20 6939 1916 52888
  200.9.84.0/24        11537 1916 52888       
  200.18.96.0/21       6939 1916 52888        
  200.18.96.0/24       6939 1916 52888      - Withdrawn - matching aggregate 200.18.96.0/21 6939 1916 52888
  200.18.102.0/24      11537 1916 52888       
  200.18.103.0/24      6939 1916 52888      - Withdrawn - matching aggregate 200.18.96.0/21 6939 1916 52888
  200.18.104.0/23      6939 1916 52888        
  200.133.224.0/20     6939 1916 52888        
  200.133.236.0/23     6939 1916 52888      - Withdrawn - matching aggregate 200.133.224.0/20 6939 1916 52888
  200.133.238.0/23     6939 52888             
  200.136.189.0/24     3303 16735 268490 268490 268490 268490 268490 268490 52888 52888 52888 52888   
  200.136.190.0/23     3303 16735 268490 268490 268490 268490 268490 268490 52888 52888 52888 52888   
  200.136.190.0/23     11537 1916 52888     + Announce - aggregate of 200.136.190.0/24 (11537 1916 52888) and 200.136.191.0/24 (11537 1916 52888)
  200.136.190.0/24     11537 1916 52888     - Withdrawn - aggregated with 200.136.191.0/24 (11537 1916 52888)
  200.136.191.0/24     11537 1916 52888     - Withdrawn - aggregated with 200.136.190.0/24 (11537 1916 52888)
  200.136.192.0/18     6939 1916 52888        
  200.136.248.0/22     6939 1916 52888      - Withdrawn - matching aggregate 200.136.192.0/18 6939 1916 52888

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

AS52888   15 More Specifics   18 Total Advertisements   UNIVERSIDADE FEDERAL DE SAO CARLOS, BR
    200.18.96.0/21                200.18.96.0/20
    200.18.96.0/24                200.18.96.0/20
    200.18.100.0/23               200.18.96.0/20
    200.18.102.0/24               200.18.96.0/20
    200.18.103.0/24               200.18.96.0/20
    200.18.104.0/23               200.18.96.0/20
    200.19.230.0/23               200.19.224.0/20
    200.133.232.0/24              200.133.224.0/20
    200.133.234.0/23              200.133.224.0/20
    200.133.236.0/23              200.133.224.0/20
    200.133.238.0/23              200.133.224.0/20
    200.136.189.0/24              200.136.0.0/16
    200.136.190.0/23              200.136.0.0/16
    200.136.192.0/18              200.136.0.0/16
    200.136.248.0/22              200.136.0.0/16
    186.219.80.0/21               186.219.80.0/20
    186.219.88.0/21               186.219.80.0/20
    200.18.96.0/22                200.18.96.0/20
    200.18.100.0/22               200.18.96.0/20
    200.133.224.0/21              200.133.224.0/20
    200.133.232.0/21              200.133.224.0/20
    200.136.192.0/19              200.136.0.0/16
    200.136.224.0/19              200.136.0.0/16

Prefixes added and withdrawn by this origin AS in the past 7 days.

    + 200.9.84.0/24               Announced
    + 200.18.100.0/23             Announced
    + 200.18.102.0/24             Announced
    + 200.133.238.0/23            Announced
    + 200.136.189.0/24            Announced
    + 200.136.190.0/23            Announced
    - 186.219.80.0/21             Withdrawn
    - 186.219.88.0/21             Withdrawn
    - 200.18.96.0/22              Withdrawn
    - 200.18.100.0/22             Withdrawn
    - 200.133.224.0/21            Withdrawn
    - 200.133.232.0/21            Withdrawn
    - 200.136.192.0/19            Withdrawn
    - 200.136.224.0/19            Withdrawn

Whois Entry

whois: 402590

IANA has recorded AS52888 as originally allocated by 
/usr/bin/whois -h jwhois.apnic.netr "AS52888\n             % Joint Whois - whois.lacnic.net
             %  This server accepts single ASN, IPv4 or IPv6 queries
              
             
             Query rate limit exceeded