Report for 51001

Name

cielo - CIELO SRL, IT

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.

51001 cielo - CIELO SRL, IT

  Adjacency:     1  Upstream:     1  Downstream:     0
  Upstream Adjacent AS list
    AS6762          SEABONE-NET - TELECOM ITALIA SPARKLE S.p.A., IT

Announced Prefixes

Rank  AS       Type    Originate Addr Space  (pfx)   Transit Addr space  (pfx)  Description
36666 AS51001        ORIGIN  Originate:       1024 /22.00  Transit:          0 /0.00  cielo - CIELO SRL, IT

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       %
13157 AS51001       cielo - CIELO SRL, IT                              4      4      1      1      3  75.00%


  Prefix               AS Path                              Aggregation Suggestion
  185.158.236.0/22     4777 2516 6762 51001 + Announce - aggregate of 185.158.236.0/23 (4777 2516 6762 51001) and 185.158.238.0/23 (4777 2516 6762 51001)
  185.158.236.0/24     4777 2516 6762 51001 - Withdrawn - aggregated with 185.158.237.0/24 (4777 2516 6762 51001)
  185.158.237.0/24     4777 2516 6762 51001 - Withdrawn - aggregated with 185.158.236.0/24 (4777 2516 6762 51001)
  185.158.238.0/24     4777 2516 6762 51001 - Withdrawn - aggregated with 185.158.239.0/24 (4777 2516 6762 51001)
  185.158.239.0/24     4777 2516 6762 51001 - Withdrawn - aggregated with 185.158.238.0/24 (4777 2516 6762 51001)

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

AS51001   4 More Specifics   4 Total Advertisements   cielo - CIELO SRL, IT
    185.158.236.0/24              185.158.236.0/22
    185.158.237.0/24              185.158.236.0/22
    185.158.238.0/24              185.158.236.0/22
    185.158.239.0/24              185.158.236.0/22

Whois Entry

whois: 402609

IANA has recorded AS51001 as originally allocated by 
/usr/bin/whois -h jwhois.apnic.netr "AS51001\n