Report for 37738

Name

HOSTOWEB - HOSTOWEB, MA

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.

37738 HOSTOWEB, MA

  Adjacency:     6  Upstream:     4  Downstream:     2
  Upstream Adjacent AS list
    AS43160         ES-MDC-DATACENTER Malaga Data Center, ES
    AS6939          HURRICANE, US
    AS174           COGENT-174, US
    AS36925         ASMedi, MA
  Downstream Adjacent AS list
    AS136258        ONEPROVIDER-AS BrainStorm Network, Inc, CA
    AS138627        CATONETWORKSINC-AS-AP Cato Networks, Inc., HK

Announced Prefixes

Rank  AS       Type    Originate Addr Space  (pfx)   Transit Addr space  (pfx)  Description
19288 AS37738        ORG+TRN Originate:       3328 /20.30  Transit:        512 /23.00 HOSTOWEB, MA

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       %
 6652 AS37738       HOSTOWEB, MA                                      13      8      1      6      7  53.85%


  Prefix               AS Path                              Aggregation Suggestion
  102.210.212.0/24     6939 5511 36925 37738   
  102.210.213.0/24     6939 37738             
  102.210.214.0/24     6939 37738             
  102.210.215.0/24     6939 5511 36925 37738   
  102.222.212.0/24     6939 37738             
  154.70.200.0/21      6939 37738           + Announce - aggregate of 154.70.200.0/22 (6939 37738) and 154.70.204.0/22 (6939 37738)
  154.70.200.0/24      6939 37738           - Withdrawn - aggregated with 154.70.201.0/24 (6939 37738)
  154.70.201.0/24      6939 37738           - Withdrawn - aggregated with 154.70.200.0/24 (6939 37738)
  154.70.202.0/24      6939 37738           - Withdrawn - aggregated with 154.70.203.0/24 (6939 37738)
  154.70.203.0/24      6939 37738           - Withdrawn - aggregated with 154.70.202.0/24 (6939 37738)
  154.70.204.0/24      6939 37738           - Withdrawn - aggregated with 154.70.205.0/24 (6939 37738)
  154.70.205.0/24      6939 37738           - Withdrawn - aggregated with 154.70.204.0/24 (6939 37738)
  154.70.206.0/24      6939 37738           - Withdrawn - aggregated with 154.70.207.0/24 (6939 37738)
  154.70.207.0/24      6939 37738           - Withdrawn - aggregated with 154.70.206.0/24 (6939 37738)

Prefixes added and withdrawn by this origin AS in the past 7 days.

    - 102.210.212.0/24            Withdrawn
    - 102.210.213.0/24            Withdrawn
    - 102.210.214.0/24            Withdrawn
    - 102.210.215.0/24            Withdrawn

Whois Entry

whois: 402590

IANA has recorded AS37738 as originally allocated by 
/usr/bin/whois -h jwhois.apnic.netr "AS37738\n