Report for 2

Name

UDEL-DCN, 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.

2 UDEL-DCN, US

  Adjacency:     9  Upstream:     8  Downstream:     1
  Upstream Adjacent AS list
    AS53142         Friburgo Online LTDA ME, BR
    AS203794        GALS-TELECOM-AS -- Upsreams --, RU
    AS266893        MULTIMEDIA NETWORK, S.A. DE C.V., SV
    AS34            UDELNET, US
    AS262579        GE Network Provedor de Internet LTDA, BR
    AS266674        Cooperativa Electrica de Las Perdices Ltda., AR
    AS41837         UTC-AS South Telephony Company LTD, RU
    AS37613         Dolphin-Telecom-AS, GH
  Downstream Adjacent AS list
    AS29091         IPNXng, NG

Announced Prefixes

Rank  AS       Type    Originate Addr Space  (pfx)   Transit Addr space  (pfx)  Description
2991  AS2            ORG+TRN Originate:      71168 /15.88  Transit:        256 /24.00 UDEL-DCN, 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       %
20214 AS2           UDEL-DCN, US                                       8      2      1      7      1  12.50%


  Prefix               AS Path                              Aggregation Suggestion
  45.161.25.0/24       4777 2497 5511 52468 266893 2   
  45.228.74.0/23       4777 2516 6762 7303 7303 7303 7303 266674 2 + Announce - aggregate of 45.228.74.0/24 (4777 2516 6762 7303 7303 7303 7303 266674 2) and 45.228.75.0/24 (4777 2516 6762 7303 7303 7303 7303 266674 2)
  45.228.74.0/24       4777 2516 6762 7303 7303 7303 7303 266674 2 - Withdrawn - aggregated with 45.228.75.0/24 (4777 2516 6762 7303 7303 7303 7303 266674 2)
  45.228.75.0/24       4777 2516 6762 7303 7303 7303 7303 266674 2 - Withdrawn - aggregated with 45.228.74.0/24 (4777 2516 6762 7303 7303 7303 7303 266674 2)
  91.143.144.0/20      4777 6939 12389 41837 41837 2   
  128.4.0.0/16         4608 7575 11537 3754 34 34 2   
  177.84.48.0/24       4777 2516 6762 61568 264996 271441 262579 2   
  194.190.53.0/24      4777 2497 3216 203794 2   
  194.190.54.0/24      4777 2497 3216 203794 2   

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

AS2   6 More Specifics   8 Total Advertisements   UDEL-DCN, US
    45.161.25.0/24                45.161.24.0/22
    45.228.74.0/24                45.228.72.0/22
    45.228.75.0/24                45.228.72.0/22
    177.84.48.0/24                177.84.48.0/21
    194.190.53.0/24               194.190.0.0/18
    194.190.54.0/24               194.190.0.0/18

Whois Entry

whois: 402332

IANA has recorded AS2 as originally allocated by 
/usr/bin/whois -h jwhois.apnic.net -r "AS2\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 1.88.34 (WHOIS-AU4)