Report for 237

Name

MERIT-AS-14 - Merit Network Inc., 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 AS4637) 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.

237 MERIT-AS-14 - Merit Network Inc.

  Adjacency:    15  Upstream:     4  Downstream:    11
  Upstream Adjacent AS list
    AS209     ASN-QWEST - Qwest
    AS11164   TRANSITRAIL - National LambdaRail, LLC
    AS174     COGENT Cogent/PSI
    AS7911    LVLT-7911 - Level 3 Communications, Inc.
  Downstream Adjacent AS list
    AS11206   FSU-AS-1 - Ferris State University
    AS10423   SPARTAN-NET - Spartan-Net
    AS27274   CMICH - Central Michigan University
    AS33272   INTERLOCHEN-CENTER-FOR-THE-ARTS - Interlochen Center for the Arts
    AS36375   UMICH-AS-1 - University of Michigan
    AS40044   BRONSON-HEALTHCARE-GROUP-INC - Bronson Healthcare Group, Inc.
    AS36384   GOOGLE-IT - Google Incorporated
    AS22251   REMC - Regional Educational Media Center
    AS20379   NET-BAKER - Baker College
    AS19106   ANDREWS - Andrews University
    AS30154   DAVEN - Davenport University

Announced Prefixes

Rank  AS       Type    Originate Addr Space  (pfx)   Transit Addr space  (pfx)  Description
15    AS237    ORG+TRN Originate:   18100992 /7.89   Transit:     553472 /12.92 MERIT-AS-14 - Merit Network Inc.

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       %
 2347 AS237   MERIT-AS-14 - Merit Network Inc.             46      6      2     42      4   8.70%


  Prefix               AS Path                              Aggregation Suggestion
  35.0.0.0/8           4637 11164 237         
  141.210.0.0/16       4637 11164 237         
  141.215.0.0/16       4637 11164 237         
  141.216.0.0/15       4637 11164 237       + Announce - aggregate of 141.216.0.0/16 (4637 11164 237) and 141.217.0.0/16 (4637 11164 237)
  141.216.0.0/16       4637 11164 237       - Withdrawn - aggregated with 141.217.0.0/16 (4637 11164 237)
  141.217.0.0/16       4637 11164 237       - Withdrawn - aggregated with 141.216.0.0/16 (4637 11164 237)
  141.218.0.0/16       4637 11164 237         
  141.219.0.0/16       4637 174 237           
  146.9.0.0/16         4637 11164 237         
  147.124.0.0/16       4637 174 237           
  148.61.0.0/16        4637 174 237 237 237   
  164.76.0.0/16        4637 11164 237         
  192.35.161.0/24      4637 3356 7911 237     
  192.35.162.0/23      4637 3356 7911 237     
  192.86.159.0/24      4637 174 237           
  192.88.242.0/24      4637 11164 237         
  192.94.173.0/24      4637 174 237           
  192.101.250.0/24     4637 11164 237         
  192.108.188.0/22     4637 174 237         + Announce - aggregate of 192.108.188.0/23 (4637 174 237) and 192.108.190.0/23 (4637 174 237)
  192.108.188.0/24     4637 174 237         - Withdrawn - aggregated with 192.108.189.0/24 (4637 174 237)
  192.108.189.0/24     4637 174 237         - Withdrawn - aggregated with 192.108.188.0/24 (4637 174 237)
  192.108.190.0/24     4637 174 237         - Withdrawn - aggregated with 192.108.191.0/24 (4637 174 237)
  192.108.191.0/24     4637 174 237         - Withdrawn - aggregated with 192.108.190.0/24 (4637 174 237)
  192.122.181.0/24     4637 3356 7911 237     
  192.122.183.0/24     4637 11164 237         
  192.122.184.0/24     4637 3356 7911 237     
  192.122.186.0/24     4637 11164 237         
  192.122.200.0/24     4637 11164 237         
  192.138.137.0/24     4637 174 237           
  192.153.163.0/24     4637 174 237           
  192.153.192.0/24     4637 174 237           
  192.188.100.0/24     4637 174 237           
  192.188.118.0/24     4637 174 237           
  192.231.113.0/24     4637 174 237           
  192.231.253.0/24     4637 11164 237         
  192.245.252.0/24     4637 174 237           
  192.245.254.0/24     4637 174 237           
  198.17.130.0/23      4637 11164 237         
  198.17.132.0/23      4637 11164 237         
  198.17.134.0/24      4637 11164 237         
  198.49.116.0/23      4637 11164 237         
  198.49.118.0/24      4637 11164 237         
  198.108.0.0/14       4637 174 237           
  198.109.65.0/24      4637 11164 237         
  204.38.0.0/15        4637 174 237           
  204.106.17.0/24      4637 3356 7911 237     
  207.72.0.0/14        4637 174 237           
  216.182.144.0/20     4637 174 237           

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

AS237   4 More Specifics   48 Total Advertisements   MERIT-AS-14 - Merit Network Inc.
    192.122.183.0/24              192.122.182.0/23
    192.122.184.0/24              192.122.184.0/21
    192.122.186.0/24              192.122.184.0/21
    198.109.65.0/24               198.108.0.0/14

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

    - 192.108.191.0/24            Withdrawn

Whois Entry

whois: 402332

IANA has recorded AS237 as originally allocated by 
/usr/bin/whois -h jwhois.apnic.net -r "AS237\n             % [whois.apnic.net]
             % Whois data copyright terms    http://www.apnic.net/db/dbcopyright.html
             
             %ERROR:101: no entries found
             %
             % No entries found in source APNIC,JPNIC,KRNIC,TWNIC,IDNIC,IRINN-GRS.
             
             % This query was served by the APNIC Whois Service version 1.88.48 (WHOIS-AU4)