Report for 11871

Name

DUKE-MW-AS11871 - Duke Energy 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 AS4637) 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.

11871 CINERGY-ASN - Cinergy

  Adjacency:     2  Upstream:     2  Downstream:     0
  Upstream Adjacent AS list
    AS7332    IQUEST-AS - IQuest Internet
    AS4323    TWTC - Time Warner Telecom, Inc.

Announced Prefixes

Rank  AS       Type    Originate Addr Space  (pfx)   Transit Addr space  (pfx)  Description
13917 AS11871  ORIGIN  Originate:       1280 /21.68  Transit:          0 /0.00  CINERGY-ASN - Cinergy

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       %
 9336 AS11871 CINERGY-ASN - Cinergy                         5      0      0      5      0   0.00%


  Prefix               AS Path                              Aggregation Suggestion
  192.91.212.0/24      4637 3561 1239 7332 11871   
  192.195.243.0/24     4637 4323 11871        
  192.234.167.0/24     4637 4323 11871        
  192.234.168.0/24     4637 3561 1239 7332 11871   
  209.43.30.0/24       4637 3561 1239 7332 11871   

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

AS11871   1 More Specifics   5 Total Advertisements   CINERGY-ASN - Cinergy
    209.43.30.0/24                209.43.0.0/17

Whois Entry

whois: 402332

IANA has recorded AS11871 as originally allocated by 
/usr/bin/whois -h jwhois.apnic.netr "AS11871\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:       11871
             ASName:         DUKE-MW-AS11871
             ASHandle:       AS11871
             RegDate:        1999-01-25
             Updated:        2012-03-20
             Ref:            https://rdap.arin.net/registry/autnum/11871
             
             
             OrgName:        Duke Energy Corporation
             OrgId:          DEC-43
             Address:        Duke Energy
             Address:        Attn: Edward Hysaw
             Address:        299 1st Ave N
             Address:        BFL6240-013-B
             City:           St Petersburg
             StateProv:      FL
             PostalCode:     33701
             Country:        US
             RegDate:        
             Updated:        2026-02-09
             Ref:            https://rdap.arin.net/registry/entity/DEC-43
             
             
             OrgTechHandle: DNS1068-ARIN
             OrgTechName:   Data Network Support
             OrgTechPhone:  +1-704-382-1961 
             OrgTechEmail:  melissa.ohmer@duke-energy.com
             OrgTechRef:    https://rdap.arin.net/registry/entity/DNS1068-ARIN
             
             OrgTechHandle: TS4417-ARIN
             OrgTechName:   Swint, Thomas 
             OrgTechPhone:  +1-704-382-0381 
             OrgTechEmail:  tmswint@duke-energy.com
             OrgTechRef:    https://rdap.arin.net/registry/entity/TS4417-ARIN
             
             OrgAbuseHandle: TS4417-ARIN
             OrgAbuseName:   Swint, Thomas 
             OrgAbusePhone:  +1-704-382-0381 
             OrgAbuseEmail:  tmswint@duke-energy.com
             OrgAbuseRef:    https://rdap.arin.net/registry/entity/TS4417-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.
             #