Report for 397027

Name

BLOCK-LINE-DENVER - Block Line Systems, LLC, US

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.

397027 BLOCK-LINE-DENVER - Block Line Systems, LLC, US

  Adjacency:     2  Upstream:     1  Downstream:     1
  Upstream Adjacent AS list
    AS6939          HURRICANE - Hurricane Electric LLC, US
  Downstream Adjacent AS list
    AS46181         MAXXSOUTH-BROADBAND - BCI Mississippi Broadband,LLC, US

Announced Prefixes

Rank  AS       Type    Originate Addr Space  (pfx)   Transit Addr space  (pfx)  Description
18472 AS397027       ORG+TRN Originate:       3840 /20.09  Transit:        256 /24.00 BLOCK-LINE-DENVER - Block Line Systems, LLC, US

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       %
 7027 AS397027      BLOCK-LINE-DENVER - Block Line Systems, LLC,       9      7      0      2      7  77.78%


  Prefix               AS Path                              Aggregation Suggestion
  24.53.152.0/22       4608 6939 397027       
  24.53.152.0/24       4608 6939 397027     - Withdrawn - matching aggregate 24.53.152.0/22 4608 6939 397027
  24.53.154.0/24       4608 6939 397027     - Withdrawn - matching aggregate 24.53.152.0/22 4608 6939 397027
  24.53.155.0/24       4608 6939 397027     - Withdrawn - matching aggregate 24.53.152.0/22 4608 6939 397027
  24.53.156.0/22       4777 6939 397027       
  24.53.156.0/24       4777 6939 397027     - Withdrawn - matching aggregate 24.53.156.0/22 4777 6939 397027
  24.53.157.0/24       4777 6939 397027     - Withdrawn - matching aggregate 24.53.156.0/22 4777 6939 397027
  24.53.158.0/24       4777 6939 397027     - Withdrawn - matching aggregate 24.53.156.0/22 4777 6939 397027
  24.53.159.0/24       4777 6939 397027     - Withdrawn - matching aggregate 24.53.156.0/22 4777 6939 397027

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

AS397027   9 More Specifics   9 Total Advertisements   BLOCK-LINE-DENVER - Block Line Systems, LLC, US
    24.53.152.0/22                24.53.128.0/18
    24.53.152.0/24                24.53.128.0/18
    24.53.154.0/24                24.53.128.0/18
    24.53.155.0/24                24.53.128.0/18
    24.53.156.0/22                24.53.128.0/18
    24.53.156.0/24                24.53.128.0/18
    24.53.157.0/24                24.53.128.0/18
    24.53.158.0/24                24.53.128.0/18
    24.53.159.0/24                24.53.128.0/18

Whois Entry

whois: 402628

IANA has recorded AS397027 as originally allocated by 
/usr/bin/whois -h jwhois.apnic.netr "AS397027\n