Report for 26958

Name

ONCOR-1 - Oncor Electric Delivery Company, LLC, 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.

26958 ONCOR-1 - Oncor Electric Delivery Company, LLC, US

  Adjacency:     3  Upstream:     3  Downstream:     0
  Upstream Adjacent AS list
    AS7018          ATT-INTERNET4 - AT&T Enterprises, LLC, US
    AS11427         TWC-11427-TEXAS - Charter Communications Inc, US
    AS32787         PROLEXIC-TECHNOLOGIES-DDOS-MITIGATION-NETWORK - Akamai Technologies, Inc., US

Announced Prefixes

Rank  AS       Type    Originate Addr Space  (pfx)   Transit Addr space  (pfx)  Description
16223 AS26958        ORIGIN  Originate:       4352 /19.91  Transit:          0 /0.00  ONCOR-1 - Oncor Electric Delivery Company, LLC, 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       %
10018 AS26958       ONCOR-1 - Oncor Electric Delivery Company, LL      8      6      2      4      4  50.00%


  Prefix               AS Path                              Aggregation Suggestion
  199.16.160.0/21      4777 2497 7018 26958   
  199.16.160.0/23      4777 2497 7018 26958 - Withdrawn - matching aggregate 199.16.160.0/21 4777 2497 7018 26958
  199.16.160.0/23      4777 32787 26958     + Announce - aggregate of 199.16.160.0/24 (4777 32787 26958) and 199.16.161.0/24 (4777 32787 26958)
  199.16.160.0/24      4777 32787 26958     - Withdrawn - aggregated with 199.16.161.0/24 (4777 32787 26958)
  199.16.161.0/24      4777 32787 26958     - Withdrawn - aggregated with 199.16.160.0/24 (4777 32787 26958)
  199.16.162.0/24      4777 2516 7843 11427 26958   
  199.16.164.0/23      4777 2497 7018 26958 - Withdrawn - matching aggregate 199.16.160.0/21 4777 2497 7018 26958
  199.16.164.0/23      4777 32787 26958     + Announce - aggregate of 199.16.164.0/24 (4777 32787 26958) and 199.16.165.0/24 (4777 32787 26958)
  199.16.164.0/24      4777 32787 26958     - Withdrawn - aggregated with 199.16.165.0/24 (4777 32787 26958)
  199.16.165.0/24      4777 32787 26958     - Withdrawn - aggregated with 199.16.164.0/24 (4777 32787 26958)

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

AS26958   7 More Specifics   8 Total Advertisements   ONCOR-1 - Oncor Electric Delivery Company, LLC, US
    199.16.160.0/23               199.16.160.0/21
    199.16.160.0/24               199.16.160.0/21
    199.16.161.0/24               199.16.160.0/21
    199.16.162.0/24               199.16.160.0/21
    199.16.164.0/23               199.16.160.0/21
    199.16.164.0/24               199.16.160.0/21
    199.16.165.0/24               199.16.160.0/21

Whois Entry

whois: 402603

IANA has recorded AS26958 as originally allocated by 
/usr/bin/whois -h jwhois.apnic.netr "AS26958\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:       26958
             ASName:         ONCOR-1
             ASHandle:       AS26958
             RegDate:        2010-07-08
             Updated:        2016-08-19
             Comment:        http://www.oncor.com
             Ref:            https://rdap.arin.net/registry/autnum/26958
             
             
             OrgName:        Oncor Electric Delivery Company, LLC
             OrgId:          OEDL
             Address:        1616 Woodall Rodgers Fwy
             City:           Dallas
             StateProv:      TX
             PostalCode:     75202
             Country:        US
             RegDate:        2010-06-22
             Updated:        2016-08-19
             Comment:        http://www.oncor.com
             Ref:            https://rdap.arin.net/registry/entity/OEDL
             
             
             OrgNOCHandle: NETWO3854-ARIN
             OrgNOCName:   Network Administrator
             OrgNOCPhone:  +1-214-486-4999 
             OrgNOCEmail:  netadmin@oncor.com
             OrgNOCRef:    https://rdap.arin.net/registry/entity/NETWO3854-ARIN
             
             OrgTechHandle: NETWO3854-ARIN
             OrgTechName:   Network Administrator
             OrgTechPhone:  +1-214-486-4999 
             OrgTechEmail:  netadmin@oncor.com
             OrgTechRef:    https://rdap.arin.net/registry/entity/NETWO3854-ARIN
             
             OrgAbuseHandle: NETWO3854-ARIN
             OrgAbuseName:   Network Administrator
             OrgAbusePhone:  +1-214-486-4999 
             OrgAbuseEmail:  netadmin@oncor.com
             OrgAbuseRef:    https://rdap.arin.net/registry/entity/NETWO3854-ARIN
             
             RAbuseHandle: NETWO3854-ARIN
             RAbuseName:   Network Administrator
             RAbusePhone:  +1-214-486-4999 
             RAbuseEmail:  netadmin@oncor.com
             RAbuseRef:    https://rdap.arin.net/registry/entity/NETWO3854-ARIN
             
             RTechHandle: NETWO3854-ARIN
             RTechName:   Network Administrator
             RTechPhone:  +1-214-486-4999 
             RTechEmail:  netadmin@oncor.com
             RTechRef:    https://rdap.arin.net/registry/entity/NETWO3854-ARIN
             
             RNOCHandle: NETWO3854-ARIN
             RNOCName:   Network Administrator
             RNOCPhone:  +1-214-486-4999 
             RNOCEmail:  netadmin@oncor.com
             RNOCRef:    https://rdap.arin.net/registry/entity/NETWO3854-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.
             #