Report for 39974

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.

39974 ALTITUDE-ISP, US

  Adjacency:     3  Upstream:     3  Downstream:     0
  Upstream Adjacent AS list
    AS13876         FIBER-64, US
    AS7459          GRANDECOM-AS1, US
    AS3356          LEVEL3, US

Announced Prefixes

Rank  AS       Type    Originate Addr Space  (pfx)   Transit Addr space  (pfx)  Description
45173 AS39974        ORIGIN  Originate:        768 /22.42  Transit:          0 /0.00  ALTITUDE-ISP, 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       %
42501 AS39974       ALTITUDE-ISP, US                                   3      0      0      3      0   0.00%


  Prefix               AS Path                              Aggregation Suggestion
  66.118.50.0/24       6939 7459 39974        
  66.118.51.0/24       3257 13876 39974       
  66.187.199.0/24      6939 3356 39974        

Prefixes added and withdrawn by this origin AS in the past 7 days.

    - 45.199.188.0/24             Withdrawn
    - 66.118.50.0/24              Withdrawn

Whois Entry

whois: 402603

IANA has recorded AS39974 as originally allocated by 
/usr/bin/whois -h jwhois.apnic.netr "AS39974\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.
             #
             
             
             No match found for -Vjw1.0,2401:2000:6660::13 39974.
             
             
             #
             # 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.
             #