Report for 20090

Name

--No AS Description--

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.

20090 -Reserved AS-, ZZ

  Adjacency:     2  Upstream:     2  Downstream:     0
  Upstream Adjacent AS list
    AS7018          ATT-INTERNET4, US
    AS31923         THE-AUTO-CLUB-GROUP-ASN-1, US

Announced Prefixes

Rank  AS       Type    Originate Addr Space  (pfx)   Transit Addr space  (pfx)  Description
48702 AS20090        ORIGIN  Originate:        512 /23.00  Transit:          0 /0.00  -Reserved AS-, ZZ

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       %
35578 AS20090       -Reserved AS-, ZZ                                  2      0      0      2      0   0.00%


  Prefix               AS Path                              Aggregation Suggestion
  199.47.0.0/24        7018 20090             
  204.78.234.0/24      3257 12129 31923 20090   

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

AS20090   2 More Specifics   2 Total Advertisements   FREMONT-INS, US
    204.78.234.0/24               204.78.128.0/17
    204.78.235.0/24               204.78.128.0/17

Whois Entry

whois: 402603

IANA has recorded AS20090 as originally allocated by 
/usr/bin/whois -h jwhois.apnic.netr "AS20090\n             
             #
             # ARIN WHOIS data and services are subject to the Terms of Use
             # available at: https://www.arin.net/resources/registry/whois/tou/
             #
             # If you see inaccuracies in the results, please report at
             # https://www.arin.net/resources/registry/whois/inaccuracy_reporting/
             #
             # Copyright 1997-2026, American Registry for Internet Numbers, Ltd.
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             No match found for -Vjw1.0,2401:2000:6660::13 20090.
             
             
             #
             # ARIN WHOIS data and services are subject to the Terms of Use
             # available at: https://www.arin.net/resources/registry/whois/tou/
             #
             # If you see inaccuracies in the results, please report at
             # https://www.arin.net/resources/registry/whois/inaccuracy_reporting/
             #
             # Copyright 1997-2026, American Registry for Internet Numbers, Ltd.
             #