Report for 28261

Name

AS28261 - EMPRESA SERGIPANA DE TECNOLOGIA DA INFORMACAO, 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.

28261 EMPRESA SERGIPANA DE TECNOLOGIA DA INFORMACAO, BR

  Adjacency:     1  Upstream:     1  Downstream:     0
  Upstream Adjacent AS list
    AS263165        MARVITEL TELECOM, BR

Announced Prefixes

Rank  AS       Type    Originate Addr Space  (pfx)   Transit Addr space  (pfx)  Description
18744 AS28261        ORIGIN  Originate:       3584 /20.19  Transit:          0 /0.00  EMPRESA SERGIPANA DE TECNOLOGIA DA INFORMACAO, 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       %
10194 AS28261       EMPRESA SERGIPANA DE TECNOLOGIA DA INFORMACAO      7      6      2      3      4  57.14%


  Prefix               AS Path                              Aggregation Suggestion
  187.17.0.0/22        6939 4230 263165 28261 + Announce - aggregate of 187.17.0.0/23 (6939 4230 263165 28261) and 187.17.2.0/23 (6939 4230 263165 28261)
  187.17.0.0/23        6939 4230 263165 28261 - Withdrawn - aggregated with 187.17.2.0/23 (6939 4230 263165 28261)
  187.17.2.0/23        6939 4230 263165 28261 - Withdrawn - aggregated with 187.17.0.0/23 (6939 4230 263165 28261)
  187.17.4.0/23        6939 4230 263165 28261   
  187.17.8.0/21        6939 4230 263165 28261 + Announce - aggregate of 187.17.8.0/22 (6939 4230 263165 28261) and 187.17.12.0/22 (6939 4230 263165 28261)
  187.17.8.0/23        6939 4230 263165 28261 - Withdrawn - aggregated with 187.17.10.0/23 (6939 4230 263165 28261)
  187.17.10.0/23       6939 4230 263165 28261 - Withdrawn - aggregated with 187.17.8.0/23 (6939 4230 263165 28261)
  187.17.12.0/23       6939 4230 263165 28261 - Withdrawn - aggregated with 187.17.14.0/23 (6939 4230 263165 28261)
  187.17.14.0/23       6939 4230 263165 28261 - Withdrawn - aggregated with 187.17.12.0/23 (6939 4230 263165 28261)

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

AS28261   6 More Specifics   6 Total Advertisements   EMPRESA SERGIPANA DE TECNOLOGIA DA INFORMACAO, BR
    187.17.0.0/23                 187.17.0.0/20
    187.17.2.0/23                 187.17.0.0/20
    187.17.4.0/23                 187.17.0.0/20
    187.17.8.0/23                 187.17.0.0/20
    187.17.10.0/23                187.17.0.0/20
    187.17.12.0/23                187.17.0.0/20
    187.17.2.0/24                 187.17.0.0/20
    187.17.3.0/24                 187.17.0.0/20
    187.17.4.0/24                 187.17.0.0/20
    187.17.5.0/24                 187.17.0.0/20
    187.17.11.0/24                187.17.0.0/20
    187.17.12.0/24                187.17.0.0/20

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

    - 187.17.2.0/24               Withdrawn
    - 187.17.3.0/24               Withdrawn
    - 187.17.4.0/24               Withdrawn
    - 187.17.5.0/24               Withdrawn
    - 187.17.11.0/24              Withdrawn
    - 187.17.12.0/24              Withdrawn

Whois Entry

whois: 402590

IANA has recorded AS28261 as originally allocated by 
/usr/bin/whois -h jwhois.apnic.netr "AS28261\n