Report for 23255

Name

PACIFICORP - Pacificorp, 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.

23255 PACIFICORP - Pacificorp, US

  Adjacency:     3  Upstream:     3  Downstream:     0
  Upstream Adjacent AS list
    AS13335         CLOUDFLARENET - Cloudflare, Inc., US
    AS6461          ZAYO-6461 - Zayo Bandwidth, US
    AS209           CENTURYLINK-US-LEGACY-QWEST - CenturyLink Communications, LLC, US

Announced Prefixes

Rank  AS       Type    Originate Addr Space  (pfx)   Transit Addr space  (pfx)  Description
11180 AS23255        ORIGIN  Originate:       8704 /18.91  Transit:          0 /0.00  PACIFICORP - Pacificorp, 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       %
 7272 AS23255       PACIFICORP - Pacificorp, US                       15     10      4      9      6  40.00%


  Prefix               AS Path                              Aggregation Suggestion
  131.219.0.0/20       4777 2497 6461 23255   
  131.219.0.0/22       4777 2516 3356 209 23255   
  131.219.0.0/22       4777 13335 23255     + Announce - aggregate of 131.219.0.0/23 (4777 13335 23255) and 131.219.2.0/23 (4777 13335 23255)
  131.219.0.0/24       4777 13335 23255     - Withdrawn - aggregated with 131.219.1.0/24 (4777 13335 23255)
  131.219.1.0/24       4777 13335 23255     - Withdrawn - aggregated with 131.219.0.0/24 (4777 13335 23255)
  131.219.2.0/24       4777 13335 23255     - Withdrawn - aggregated with 131.219.3.0/24 (4777 13335 23255)
  131.219.3.0/24       4777 13335 23255     - Withdrawn - aggregated with 131.219.2.0/24 (4777 13335 23255)
  131.219.5.0/24       4777 13335 23255       
  131.219.6.0/23       4777 13335 23255     + Announce - aggregate of 131.219.6.0/24 (4777 13335 23255) and 131.219.7.0/24 (4777 13335 23255)
  131.219.6.0/24       4777 13335 23255     - Withdrawn - aggregated with 131.219.7.0/24 (4777 13335 23255)
  131.219.7.0/24       4777 13335 23255     - Withdrawn - aggregated with 131.219.6.0/24 (4777 13335 23255)
  131.219.8.0/23       4777 13335 23255     + Announce - aggregate of 131.219.8.0/24 (4777 13335 23255) and 131.219.9.0/24 (4777 13335 23255)
  131.219.8.0/24       4777 13335 23255     - Withdrawn - aggregated with 131.219.9.0/24 (4777 13335 23255)
  131.219.9.0/24       4777 13335 23255     - Withdrawn - aggregated with 131.219.8.0/24 (4777 13335 23255)
  131.219.12.0/23      4777 2516 3356 209 23255   
  131.219.12.0/23      4777 13335 23255     + Announce - aggregate of 131.219.12.0/24 (4777 13335 23255) and 131.219.13.0/24 (4777 13335 23255)
  131.219.12.0/24      4777 13335 23255     - Withdrawn - aggregated with 131.219.13.0/24 (4777 13335 23255)
  131.219.13.0/24      4777 13335 23255     - Withdrawn - aggregated with 131.219.12.0/24 (4777 13335 23255)
  131.219.15.0/24      4777 13335 23255       

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

AS23255   15 More Specifics   15 Total Advertisements   PACIFICORP - Pacificorp, US
    131.219.0.0/20                131.219.0.0/16
    131.219.0.0/22                131.219.0.0/16
    131.219.0.0/24                131.219.0.0/16
    131.219.1.0/24                131.219.0.0/16
    131.219.2.0/24                131.219.0.0/16
    131.219.3.0/24                131.219.0.0/16
    131.219.5.0/24                131.219.0.0/16
    131.219.6.0/24                131.219.0.0/16
    131.219.7.0/24                131.219.0.0/16
    131.219.8.0/24                131.219.0.0/16
    131.219.9.0/24                131.219.0.0/16
    131.219.12.0/23               131.219.0.0/16
    131.219.12.0/24               131.219.0.0/16
    131.219.13.0/24               131.219.0.0/16
    131.219.15.0/24               131.219.0.0/16

Whois Entry

whois: 402332

IANA has recorded AS23255 as originally allocated by 
/usr/bin/whois -h jwhois.apnic.netr "AS23255\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:       23255
             ASName:         PACIFICORP
             ASHandle:       AS23255
             RegDate:        2002-02-15
             Updated:        2012-02-24
             Ref:            https://rdap.arin.net/registry/autnum/23255
             
             
             OrgName:        Pacificorp
             OrgId:          PACIFI-109
             Address:        825 NE Multnomah Street, Ste 1570
             City:           Portland
             StateProv:      OR
             PostalCode:     97232
             Country:        US
             RegDate:        2001-05-30
             Updated:        2025-12-18
             Ref:            https://rdap.arin.net/registry/entity/PACIFI-109
             
             
             OrgTechHandle: ZM58-ARIN
             OrgTechName:   MidAmerican Energy Holdings Company
             OrgTechPhone:  +1-515-252-6663 
             OrgTechEmail:  networkedgefw@brkenergy.com
             OrgTechRef:    https://rdap.arin.net/registry/entity/ZM58-ARIN
             
             OrgAbuseHandle: ZM58-ARIN
             OrgAbuseName:   MidAmerican Energy Holdings Company
             OrgAbusePhone:  +1-515-252-6663 
             OrgAbuseEmail:  networkedgefw@brkenergy.com
             OrgAbuseRef:    https://rdap.arin.net/registry/entity/ZM58-ARIN
             
             OrgTechHandle: MARKA54-ARIN
             OrgTechName:   Gutowski, Mark A
             OrgTechPhone:  +1-503-720-8823 
             OrgTechEmail:  mark.gutowski@midamerican.com
             OrgTechRef:    https://rdap.arin.net/registry/entity/MARKA54-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.
             #