Report for 16821

Name

DUQ-LIGHT - Duquesne Light Company, 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.

16821 DUQ-LIGHT - Duquesne Light Company, US

  Adjacency:     1  Upstream:     1  Downstream:     0
  Upstream Adjacent AS list
    AS33154         DQECOM - DQE Communications LLC, US

Announced Prefixes

Rank  AS       Type    Originate Addr Space  (pfx)   Transit Addr space  (pfx)  Description
22226 AS16821        ORIGIN  Originate:       2560 /20.68  Transit:          0 /0.00  DUQ-LIGHT - Duquesne Light Company, 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       %
34712 AS16821       DUQ-LIGHT - Duquesne Light Company, US             4      0      0      4      0   0.00%


  Prefix               AS Path                              Aggregation Suggestion
  167.77.0.0/22        4777 2497 174 33154 16821   
  167.77.63.0/24       4777 2516 3356 33154 16821   
  167.77.64.0/22       4777 2497 174 33154 16821   
  167.77.70.0/24       4777 2497 174 33154 16821   

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

AS16821   4 More Specifics   4 Total Advertisements   DUQ-LIGHT - Duquesne Light Company, US
    167.77.0.0/22                 167.77.0.0/17
    167.77.63.0/24                167.77.0.0/17
    167.77.64.0/22                167.77.0.0/17
    167.77.70.0/24                167.77.0.0/17

Whois Entry

whois: 402332

IANA has recorded AS16821 as originally allocated by 
/usr/bin/whois -h jwhois.apnic.netr "AS16821\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:       16821
             ASName:         DUQ-LIGHT
             ASHandle:       AS16821
             RegDate:        2018-02-06
             Updated:        2018-02-06
             Comment:        http://www.duquesnelight.com
             Ref:            https://rdap.arin.net/registry/autnum/16821
             
             
             OrgName:        Duquesne Light Company
             OrgId:          DEQUES
             Address:        2841 New Beaver Ave.
             Address:        Mail-Drop N3-DP
             City:           Pittsburgh
             StateProv:      PA
             PostalCode:     15233
             Country:        US
             RegDate:        1993-05-11
             Updated:        2025-02-19
             Ref:            https://rdap.arin.net/registry/entity/DEQUES
             
             
             OrgTechHandle: IDN5-ARIN
             OrgTechName:   IT Data Network
             OrgTechPhone:  +1-412-393-8606 
             OrgTechEmail:  itdatanetwork@duqlight.com
             OrgTechRef:    https://rdap.arin.net/registry/entity/IDN5-ARIN
             
             OrgTechHandle: ROZAN13-ARIN
             OrgTechName:   Rozanski, Stephanie 
             OrgTechPhone:  +1-412-393-8606 
             OrgTechEmail:  srozanski@duqlight.com
             OrgTechRef:    https://rdap.arin.net/registry/entity/ROZAN13-ARIN
             
             OrgAbuseHandle: IDN5-ARIN
             OrgAbuseName:   IT Data Network
             OrgAbusePhone:  +1-412-393-8606 
             OrgAbuseEmail:  itdatanetwork@duqlight.com
             OrgAbuseRef:    https://rdap.arin.net/registry/entity/IDN5-ARIN
             
             OrgTechHandle: BARKE216-ARIN
             OrgTechName:   Barker, William 
             OrgTechPhone:  +1-412-393-8573 
             OrgTechEmail:  wbarker@duqlight.com
             OrgTechRef:    https://rdap.arin.net/registry/entity/BARKE216-ARIN
             
             OrgAbuseHandle: BARKE216-ARIN
             OrgAbuseName:   Barker, William 
             OrgAbusePhone:  +1-412-393-8573 
             OrgAbuseEmail:  wbarker@duqlight.com
             OrgAbuseRef:    https://rdap.arin.net/registry/entity/BARKE216-ARIN
             
             OrgAbuseHandle: ROZAN13-ARIN
             OrgAbuseName:   Rozanski, Stephanie 
             OrgAbusePhone:  +1-412-393-8606 
             OrgAbuseEmail:  srozanski@duqlight.com
             OrgAbuseRef:    https://rdap.arin.net/registry/entity/ROZAN13-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.
             #