Report for 271541

Name

HAVAN SA, 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.

271541 HAVAN SA, BR

  Adjacency:     2  Upstream:     2  Downstream:     0
  Upstream Adjacent AS list
    AS14840         BR.Digital Telecom, BR
    AS53062         ALT | GRUPO BRASIL TECPAR, BR

Announced Prefixes

Rank  AS       Type    Originate Addr Space  (pfx)   Transit Addr space  (pfx)  Description
43132 AS271541       ORIGIN  Originate:       1024 /22.00  Transit:          0 /0.00  HAVAN SA, 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       %
28821 AS271541      HAVAN SA, BR                                       3      1      0      2      1  33.33%


  Prefix               AS Path                              Aggregation Suggestion
  181.232.250.0/23     4777 2516 6762 53062 271541   
  181.232.250.0/24     4777 2516 6762 53062 271541 - Withdrawn - matching aggregate 181.232.250.0/23 4777 2516 6762 53062 271541
  181.232.251.0/24     4777 2516 6762 14840 271541   

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

AS271541   2 More Specifics   3 Total Advertisements   HAVAN SA, BR
    181.232.250.0/24              181.232.250.0/23
    181.232.251.0/24              181.232.250.0/23

Whois Entry

whois: 402332

IANA has recorded AS271541 as originally allocated by 
/usr/bin/whois -h jwhois.apnic.net -r "AS271541\n             % [whois.apnic.net]
             % Whois data copyright terms    http://www.apnic.net/db/dbcopyright.html
             
             %ERROR:101: no entries found
             %
             % No entries found in source APNIC,JPNIC,KRNIC,TWNIC,IDNIC,IRINN-GRS.
             
             % This query was served by the APNIC Whois Service version 1.88.48 (WHOIS-AU5)