Report for 21806

Name

NATIONAL-FUEL - National Fuel Gas Distribution Corporation, 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.

21806 NATIONAL-FUEL - National Fuel Gas Distribution Corporation, US

  Adjacency:     2  Upstream:     2  Downstream:     0
  Upstream Adjacent AS list
    AS46887         CROWNCASTLE-AS46887 - Crown Castle Fiber LLC, US
    AS11351         TWC-11351-NORTHEAST - Charter Communications Inc, US

Announced Prefixes

Rank  AS       Type    Originate Addr Space  (pfx)   Transit Addr space  (pfx)  Description
44578 AS21806        ORIGIN  Originate:        768 /22.42  Transit:          0 /0.00  NATIONAL-FUEL - National Fuel Gas Distribution Corporation, 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       %
35979 AS21806       NATIONAL-FUEL - National Fuel Gas Distributio      3      0      0      3      0   0.00%


  Prefix               AS Path                              Aggregation Suggestion
  205.235.160.0/24     4608 7575 1299 46887 21806   
  205.235.173.0/24     4777 6939 7843 11351 21806   
  205.235.175.0/24     4777 2516 7843 11351 21806   

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

AS21806   3 More Specifics   3 Total Advertisements   NATIONAL-FUEL - National Fuel Gas Distribution Corporation, US
    205.235.160.0/24              205.235.160.0/20
    205.235.173.0/24              205.235.160.0/20
    205.235.175.0/24              205.235.160.0/20

Whois Entry

whois: 402603

IANA has recorded AS21806 as originally allocated by 
/usr/bin/whois -h jwhois.apnic.netr "AS21806\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:       21806
             ASName:         NATIONAL-FUEL
             ASHandle:       AS21806
             RegDate:        2001-06-21
             Updated:        2012-03-02
             Ref:            https://rdap.arin.net/registry/autnum/21806
             
             
             OrgName:        National Fuel Gas Distribution Corporation
             OrgId:          NFGDC
             Address:        6363 Main St
             City:           Williamsville
             StateProv:      NY
             PostalCode:     14221
             Country:        US
             RegDate:        2001-06-21
             Updated:        2014-04-29
             Ref:            https://rdap.arin.net/registry/entity/NFGDC
             
             
             OrgAbuseHandle: JH1959-ARIN
             OrgAbuseName:   Hicks, Jason 
             OrgAbusePhone:  +1-716-857-7000 
             OrgAbuseEmail:  hicksj@natfuel.com
             OrgAbuseRef:    https://rdap.arin.net/registry/entity/JH1959-ARIN
             
             OrgTechHandle: JH1959-ARIN
             OrgTechName:   Hicks, Jason 
             OrgTechPhone:  +1-716-857-7000 
             OrgTechEmail:  hicksj@natfuel.com
             OrgTechRef:    https://rdap.arin.net/registry/entity/JH1959-ARIN
             
             RTechHandle: JH1959-ARIN
             RTechName:   Hicks, Jason 
             RTechPhone:  +1-716-857-7000 
             RTechEmail:  hicksj@natfuel.com
             RTechRef:    https://rdap.arin.net/registry/entity/JH1959-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.
             #