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 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.

1742 HARVARD-UNIV, US

  Adjacency:     7  Upstream:     5  Downstream:     2
  Upstream Adjacent AS list
    AS11164         INTERNET2-I2PX, US
    AS174           COGENT-174, US
    AS3356          LEVEL3, US
    AS10578         GIGAPOP-NE, US
    AS11537         INTERNET2-RESEARCH-EDU, US
  Downstream Adjacent AS list
    AS13315         HBSNET, US
    AS40127         LMANET, US

Announced Prefixes

Rank  AS       Type    Originate Addr Space  (pfx)   Transit Addr space  (pfx)  Description
1272  AS1742         ORG+TRN Originate:     204608 /14.36  Transit:     280832 /13.90 HARVARD-UNIV, 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       %
30769 AS1742        HARVARD-UNIV, US                                  14      0      0     14      0   0.00%


  Prefix               AS Path                              Aggregation Suggestion
  65.112.0.0/20        11537 1742             
  67.134.204.0/22      11537 1742             
  128.103.0.0/16       11537 1742             
  131.142.0.0/16       11537 1742             
  140.247.0.0/16       11537 1742             
  140.247.111.0/24     6939 10578 1742        
  140.247.152.0/24     6939 10578 1742        
  140.247.174.0/24     6939 10578 1742        
  140.247.179.128/26   11537 10578 1742       
  140.247.236.0/24     6939 10578 1742        
  192.5.66.0/24        11537 1742             
  192.54.223.0/24      11537 1742             
  192.131.102.0/24     11537 1742             
  199.94.60.0/22       11537 1742             

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

AS1742   10 More Specifics   16 Total Advertisements   HARVARD-UNIV, US
    12.0.48.0/20                  12.0.0.0/8
    12.6.208.0/20                 12.0.0.0/8
    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
    140.247.179.128/26            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

Prefixes added and withdrawn by this origin AS in the past 7 days.

    + 12.0.48.0/20                Announced
    + 12.6.208.0/20               Announced

Whois Entry

whois: 402603

IANA has recorded AS1742 as originally allocated by 
/usr/bin/whois -h jwhois.apnic.netr "AS1742\n