Report for 263335

Name

AS263335 - Alternativa Telecom, 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.

263335 Alternativa Telecom, BR

  Adjacency:     3  Upstream:     3  Downstream:     0
  Upstream Adjacent AS list
    AS4230          CLARO S.A., BR
    AS263541        IMF NETWORK DATA LTDA - ME, BR
    AS61832         DB3 SERVICOS DE TELECOMUNICACOES S.A, BR

Announced Prefixes

Rank  AS       Type    Originate Addr Space  (pfx)   Transit Addr space  (pfx)  Description
14090 AS263335       ORIGIN  Originate:       6144 /19.42  Transit:          0 /0.00  Alternativa Telecom, 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       %
18972 AS263335      Alternativa Telecom, BR                            7      3      1      5      2  28.57%


  Prefix               AS Path                              Aggregation Suggestion
  191.36.136.0/21      6939 4230 263335       
  191.36.136.0/22      6939 263541 263335     
  191.36.136.0/22      6939 4230 263335     + Announce - aggregate of 191.36.136.0/23 (6939 4230 263335) and 191.36.138.0/23 (6939 4230 263335)
  191.36.136.0/23      6939 4230 263335     - Withdrawn - aggregated with 191.36.138.0/23 (6939 4230 263335)
  191.36.138.0/23      6939 4230 263335     - Withdrawn - aggregated with 191.36.136.0/23 (6939 4230 263335)
  191.36.140.0/22      6939 263541 263335     
  191.36.140.0/23      6939 61832 263335      
  191.36.142.0/23      6939 263541 263335   - Withdrawn - matching aggregate 191.36.140.0/22 6939 263541 263335

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

AS263335   6 More Specifics   7 Total Advertisements   Alternativa Telecom, BR
    191.36.136.0/22               191.36.136.0/21
    191.36.136.0/23               191.36.136.0/21
    191.36.138.0/23               191.36.136.0/21
    191.36.140.0/22               191.36.136.0/21
    191.36.140.0/23               191.36.136.0/21
    191.36.142.0/23               191.36.136.0/21
    191.36.136.0/24               191.36.136.0/21
    191.36.137.0/24               191.36.136.0/21
    191.36.138.0/24               191.36.136.0/21
    191.36.139.0/24               191.36.136.0/21
    191.36.143.0/24               191.36.136.0/21

Prefixes added and withdrawn by this origin AS in the past 7 days.

    - 191.36.136.0/24             Withdrawn
    - 191.36.137.0/24             Withdrawn
    - 191.36.138.0/24             Withdrawn
    - 191.36.139.0/24             Withdrawn
    - 191.36.143.0/24             Withdrawn

Whois Entry

whois: 402590

IANA has recorded AS263335 as originally allocated by 
/usr/bin/whois -h jwhois.apnic.netr "AS263335\n             % Joint Whois - whois.lacnic.net
             %  This server accepts single ASN, IPv4 or IPv6 queries
              
             
             Query rate limit exceeded