Report for 26121

Name

JEPPESEN - Jeppesen ForeFlight Inc., 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.

26121 JEPPESEN - Jeppesen ForeFlight Inc., US

  Adjacency:     3  Upstream:     3  Downstream:     0
  Upstream Adjacent AS list
    AS2914          NTT-DATA-2914 - NTT America, Inc., US
    AS3320          DTAG - Deutsche Telekom AG, DE
    AS3549          LVLT-3549 - Level 3 Parent, LLC, US

Announced Prefixes

Rank  AS       Type    Originate Addr Space  (pfx)   Transit Addr space  (pfx)  Description
19058 AS26121        ORIGIN  Originate:       3328 /20.30  Transit:          0 /0.00  JEPPESEN - Jeppesen ForeFlight Inc., 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       %
16008 AS26121       JEPPESEN - Jeppesen ForeFlight Inc., US           10      4      2      8      2  20.00%


  Prefix               AS Path                              Aggregation Suggestion
  169.143.0.0/23       4777 2516 3356 3549 26121 + Announce - aggregate of 169.143.0.0/24 (4777 2516 3356 3549 26121) and 169.143.1.0/24 (4777 2516 3356 3549 26121)
  169.143.0.0/24       4777 2516 3356 3549 26121 - Withdrawn - aggregated with 169.143.1.0/24 (4777 2516 3356 3549 26121)
  169.143.1.0/24       4777 2516 3356 3549 26121 - Withdrawn - aggregated with 169.143.0.0/24 (4777 2516 3356 3549 26121)
  169.143.6.0/24       4777 2516 3356 3549 26121   
  169.143.8.0/24       4608 7575 2914 26121   
  169.143.10.0/23      4777 2516 3356 3549 26121 + Announce - aggregate of 169.143.10.0/24 (4777 2516 3356 3549 26121) and 169.143.11.0/24 (4777 2516 3356 3549 26121)
  169.143.10.0/24      4777 2516 3356 3549 26121 - Withdrawn - aggregated with 169.143.11.0/24 (4777 2516 3356 3549 26121)
  169.143.11.0/24      4777 2516 3356 3549 26121 - Withdrawn - aggregated with 169.143.10.0/24 (4777 2516 3356 3549 26121)
  169.143.16.0/24      4777 2516 3356 3549 26121   
  169.143.22.0/24      4777 2516 3356 3549 26121   
  169.143.222.0/24     4777 2516 3320 26121   
  169.143.244.0/22     4777 2516 3320 26121   

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

AS26121   10 More Specifics   10 Total Advertisements   JEPPESEN - Jeppesen ForeFlight Inc., US
    169.143.0.0/24                169.143.0.0/16
    169.143.1.0/24                169.143.0.0/16
    169.143.6.0/24                169.143.0.0/16
    169.143.8.0/24                169.143.0.0/16
    169.143.10.0/24               169.143.0.0/16
    169.143.11.0/24               169.143.0.0/16
    169.143.16.0/24               169.143.0.0/16
    169.143.22.0/24               169.143.0.0/16
    169.143.222.0/24              169.143.0.0/16
    169.143.244.0/22              169.143.0.0/16

Whois Entry

whois: 402591

IANA has recorded AS26121 as originally allocated by 
/usr/bin/whois -h jwhois.apnic.netr "AS26121\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.
             #
             
             
             ASNumber:       26121
             ASName:         JEPPESEN
             ASHandle:       AS26121
             RegDate:        2017-05-10
             Updated:        2017-05-10
             Ref:            https://rdap.arin.net/registry/autnum/26121
             
             
             OrgName:        Jeppesen ForeFlight Inc.
             OrgId:          JEPPES
             Address:        55 Inverness Drive East
             City:           Englewood
             StateProv:      CO
             PostalCode:     80112
             Country:        US
             RegDate:        
             Updated:        2026-02-16
             Ref:            https://rdap.arin.net/registry/entity/JEPPES
             
             
             OrgAbuseHandle: JAA77-ARIN
             OrgAbuseName:   Jeppesen ARIN Admin
             OrgAbusePhone:  +1-303-799-9090 
             OrgAbuseEmail:  DL-dsadennetcom@exchange.boeing.com
             OrgAbuseRef:    https://rdap.arin.net/registry/entity/JAA77-ARIN
             
             OrgTechHandle: JAA77-ARIN
             OrgTechName:   Jeppesen ARIN Admin
             OrgTechPhone:  +1-303-799-9090 
             OrgTechEmail:  DL-dsadennetcom@exchange.boeing.com
             OrgTechRef:    https://rdap.arin.net/registry/entity/JAA77-ARIN
             
             
             #
             # 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.
             #