Report for 40578

Name

VANGUARDHEALTHSYSTEMS-PHAZ - Vanguard Health Systems, 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 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.

40578 VANGUARDHEALTHSYSTEMS-PHAZ, US

  Adjacency:     1  Upstream:     1  Downstream:     0
  Upstream Adjacent AS list
    AS3257          GTT-BACKBONE GTT, US

Announced Prefixes

Rank  AS       Type    Originate Addr Space  (pfx)   Transit Addr space  (pfx)  Description
49979 AS40578        ORIGIN  Originate:        512 /23.00  Transit:          0 /0.00  VANGUARDHEALTHSYSTEMS-PHAZ, 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       %
22787 AS40578       VANGUARDHEALTHSYSTEMS-PHAZ, US                     2      2      1      1      1  50.00%


  Prefix               AS Path                              Aggregation Suggestion
  199.5.30.0/23        3257 40578           + Announce - aggregate of 199.5.30.0/24 (3257 40578) and 199.5.31.0/24 (3257 40578)
  199.5.30.0/24        3257 40578           - Withdrawn - aggregated with 199.5.31.0/24 (3257 40578)
  199.5.31.0/24        3257 40578           - Withdrawn - aggregated with 199.5.30.0/24 (3257 40578)

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

AS40578   2 More Specifics   2 Total Advertisements   VANGUARDHEALTHSYSTEMS-PHAZ, US
    199.5.30.0/24                 199.5.28.0/22
    199.5.31.0/24                 199.5.28.0/22

Whois Entry

whois: 402590

IANA has recorded AS40578 as originally allocated by 
/usr/bin/whois -h jwhois.apnic.netr "AS40578\n