Report for 262587

Name

AS262587 - CST - Cerentini Solucoes em Tecnologia, 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.

262587 CST - Cerentini Solucoes em Tecnologia, BR

  Adjacency:     5  Upstream:     3  Downstream:     2
  Upstream Adjacent AS list
    AS6939          HURRICANE, US
    AS13786         SEABORN, US
    AS28283         Adylnet Telecom, BR
  Downstream Adjacent AS list
    AS263101        Netmax Tecnologia Ltda, BR
    AS52920         IVOCS INTERNET E COMUNICACAO LTDA, BR

Announced Prefixes

Rank  AS       Type    Originate Addr Space  (pfx)   Transit Addr space  (pfx)  Description
8906  AS262587       ORG+TRN Originate:      13312 /18.30  Transit:      21248 /17.62 CST - Cerentini Solucoes em Tecnologia, 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       %
 2844 AS262587      CST - Cerentini Solucoes em Tecnologia, BR        25     22      2      5     20  80.00%


  Prefix               AS Path                              Aggregation Suggestion
  45.238.136.0/22      3303 13786 262587      
  45.238.136.0/23      3303 13786 262587    - Withdrawn - matching aggregate 45.238.136.0/22 3303 13786 262587
  45.238.138.0/23      3303 13786 262587    - Withdrawn - matching aggregate 45.238.136.0/22 3303 13786 262587
  143.255.184.0/22     3303 13786 262587      
  143.255.184.0/23     3303 13786 262587    - Withdrawn - matching aggregate 143.255.184.0/22 3303 13786 262587
  143.255.184.0/22     6939 262587          + Announce - aggregate of 143.255.184.0/23 (6939 262587) and 143.255.186.0/23 (6939 262587)
  143.255.184.0/24     6939 262587          - Withdrawn - aggregated with 143.255.185.0/24 (6939 262587)
  143.255.185.0/24     6939 262587          - Withdrawn - aggregated with 143.255.184.0/24 (6939 262587)
  143.255.186.0/23     3303 13786 262587    - Withdrawn - matching aggregate 143.255.184.0/22 3303 13786 262587
  143.255.186.0/24     6939 262587          - Withdrawn - aggregated with 143.255.187.0/24 (6939 262587)
  143.255.187.0/24     6939 262587          - Withdrawn - aggregated with 143.255.186.0/24 (6939 262587)
  177.84.144.0/21      3303 13786 262587      
  177.84.144.0/22      3303 13786 262587    - Withdrawn - matching aggregate 177.84.144.0/21 3303 13786 262587
  177.84.144.0/23      3303 13786 262587    - Withdrawn - matching aggregate 177.84.144.0/21 3303 13786 262587
  177.84.144.0/21      6939 262587          + Announce - aggregate of 177.84.144.0/22 (6939 262587) and 177.84.148.0/22 (6939 262587)
  177.84.144.0/24      6939 262587          - Withdrawn - aggregated with 177.84.145.0/24 (6939 262587)
  177.84.145.0/24      6939 262587          - Withdrawn - aggregated with 177.84.144.0/24 (6939 262587)
  177.84.146.0/23      3303 13786 262587    - Withdrawn - matching aggregate 177.84.144.0/21 3303 13786 262587
  177.84.146.0/24      6939 262587          - Withdrawn - aggregated with 177.84.147.0/24 (6939 262587)
  177.84.147.0/24      6939 262587          - Withdrawn - aggregated with 177.84.146.0/24 (6939 262587)
  177.84.148.0/22      3303 13786 262587    - Withdrawn - matching aggregate 177.84.144.0/21 3303 13786 262587
  177.84.148.0/23      3303 13786 262587    - Withdrawn - matching aggregate 177.84.144.0/21 3303 13786 262587
  177.84.148.0/24      6939 262587          - Withdrawn - aggregated with 177.84.149.0/24 (6939 262587)
  177.84.149.0/24      6939 262587          - Withdrawn - aggregated with 177.84.148.0/24 (6939 262587)
  177.84.150.0/23      3303 13786 262587    - Withdrawn - matching aggregate 177.84.144.0/21 3303 13786 262587
  177.84.150.0/24      6939 262587          - Withdrawn - aggregated with 177.84.151.0/24 (6939 262587)
  177.84.151.0/24      6939 262587          - Withdrawn - aggregated with 177.84.150.0/24 (6939 262587)

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

AS262587   8 More Specifics   10 Total Advertisements   CST - Cerentini Solucoes em Tecnologia, BR
    143.255.184.0/23              143.255.184.0/22
    143.255.186.0/23              143.255.184.0/22
    177.84.144.0/22               177.84.144.0/21
    177.84.144.0/23               177.84.144.0/21
    177.84.146.0/23               177.84.144.0/21
    177.84.148.0/22               177.84.144.0/21
    177.84.148.0/23               177.84.144.0/21
    177.84.150.0/23               177.84.144.0/21

Whois Entry

whois: 402603

IANA has recorded AS262587 as originally allocated by 
/usr/bin/whois -h jwhois.apnic.netr "AS262587\n             % Joint Whois - whois.lacnic.net
             %  This server accepts single ASN, IPv4 or IPv6 queries
              
             
             Query rate limit exceeded