Report for 1742

Name

HARVARD-UNIV - Harvard University, 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.

1742 HARVARD-UNIV - Harvard University, US

  Adjacency:     6  Upstream:     4  Downstream:     2
  Upstream Adjacent AS list
    AS11537         INTERNET2-RESEARCH-EDU - Internet2, US
    AS10578         GIGAPOP-NE - Harvard University, US
    AS174           COGENT-174 - Cogent Communications, LLC, US
    AS3356          LEVEL3 - Level 3 Parent, LLC, US
  Downstream Adjacent AS list
    AS13315         HBSNET - Harvard Business School, US
    AS40127         LMANET - Longwood Medical and Academic Area LMA, US

Announced Prefixes

Rank  AS       Type    Originate Addr Space  (pfx)   Transit Addr space  (pfx)  Description
1260  AS1742         ORG+TRN Originate:     204544 /14.36  Transit:     280832 /13.90 HARVARD-UNIV - Harvard University, 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       %
30114 AS1742        HARVARD-UNIV - Harvard University, US             13      0      0     13      0   0.00%


  Prefix               AS Path                              Aggregation Suggestion
  65.112.0.0/20        4777 2516 3356 1742    
  67.134.204.0/22      4777 2516 3356 1742    
  128.103.0.0/16       4777 2516 3356 1742    
  131.142.0.0/16       4777 2516 3356 1742    
  140.247.0.0/16       4777 2516 3356 1742    
  140.247.111.0/24     4608 7575 11537 10578 1742   
  140.247.152.0/24     4608 7575 11537 10578 1742   
  140.247.174.0/24     4608 7575 11537 10578 1742   
  140.247.236.0/24     4608 7575 11537 10578 1742   
  192.5.66.0/24        4777 2516 3356 1742    
  192.54.223.0/24      4777 2516 3356 1742    
  192.131.102.0/24     4777 2516 3356 1742    
  199.94.60.0/22       4777 2497 174 1742     

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

AS1742   7 More Specifics   13 Total Advertisements   HARVARD-UNIV - Harvard University, US
    65.112.0.0/20                 65.112.0.0/12
    67.134.204.0/22               67.128.0.0/13
    140.247.111.0/24              140.247.0.0/16
    140.247.152.0/24              140.247.0.0/16
    140.247.174.0/24              140.247.0.0/16
    140.247.236.0/24              140.247.0.0/16
    199.94.60.0/22                199.92.0.0/14

Whois Entry

whois: 402332

IANA has recorded AS1742 as originally allocated by 
/usr/bin/whois -h jwhois.apnic.net -r "AS1742\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-AU5)