Report for 23084

Name

CNA-INSURANCE - Continental Casualty Co. (CNA), 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.

23084 CNA-INSURANCE - Continental Casualty Co. (CNA), US

  Adjacency:     1  Upstream:     1  Downstream:     0
  Upstream Adjacent AS list
    AS32787         PROLEXIC-TECHNOLOGIES-DDOS-MITIGATION-NETWORK - Akamai Technologies, Inc., US

Announced Prefixes

Rank  AS       Type    Originate Addr Space  (pfx)   Transit Addr space  (pfx)  Description
16835 AS23084        ORIGIN  Originate:       4096 /20.00  Transit:          0 /0.00  CNA-INSURANCE - Continental Casualty Co. (CNA), 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       %
 9947 AS23084       CNA-INSURANCE - Continental Casualty Co. (CNA     16      8      4     12      4  25.00%


  Prefix               AS Path                              Aggregation Suggestion
  159.10.3.0/24        4777 32787 23084       
  159.10.4.0/24        4777 32787 23084       
  159.10.10.0/24       4777 32787 23084       
  159.10.30.0/24       4777 32787 23084       
  159.10.128.0/23      4777 32787 23084     + Announce - aggregate of 159.10.128.0/24 (4777 32787 23084) and 159.10.129.0/24 (4777 32787 23084)
  159.10.128.0/24      4777 32787 23084     - Withdrawn - aggregated with 159.10.129.0/24 (4777 32787 23084)
  159.10.129.0/24      4777 32787 23084     - Withdrawn - aggregated with 159.10.128.0/24 (4777 32787 23084)
  159.10.131.0/24      4777 32787 23084       
  159.10.132.0/23      4777 32787 23084     + Announce - aggregate of 159.10.132.0/24 (4777 32787 23084) and 159.10.133.0/24 (4777 32787 23084)
  159.10.132.0/24      4777 32787 23084     - Withdrawn - aggregated with 159.10.133.0/24 (4777 32787 23084)
  159.10.133.0/24      4777 32787 23084     - Withdrawn - aggregated with 159.10.132.0/24 (4777 32787 23084)
  159.10.134.0/24      4777 32787 23084       
  159.10.136.0/23      4777 32787 23084     + Announce - aggregate of 159.10.136.0/24 (4777 32787 23084) and 159.10.137.0/24 (4777 32787 23084)
  159.10.136.0/24      4777 32787 23084     - Withdrawn - aggregated with 159.10.137.0/24 (4777 32787 23084)
  159.10.137.0/24      4777 32787 23084     - Withdrawn - aggregated with 159.10.136.0/24 (4777 32787 23084)
  159.10.138.0/24      4777 32787 23084       
  159.10.209.0/24      4777 32787 23084       
  159.10.210.0/23      4777 32787 23084     + Announce - aggregate of 159.10.210.0/24 (4777 32787 23084) and 159.10.211.0/24 (4777 32787 23084)
  159.10.210.0/24      4777 32787 23084     - Withdrawn - aggregated with 159.10.211.0/24 (4777 32787 23084)
  159.10.211.0/24      4777 32787 23084     - Withdrawn - aggregated with 159.10.210.0/24 (4777 32787 23084)

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

AS23084   16 More Specifics   16 Total Advertisements   CNA-INSURANCE - Continental Casualty Co. (CNA), US
    159.10.3.0/24                 159.10.0.0/16
    159.10.4.0/24                 159.10.0.0/16
    159.10.10.0/24                159.10.0.0/16
    159.10.30.0/24                159.10.0.0/16
    159.10.128.0/24               159.10.0.0/16
    159.10.129.0/24               159.10.0.0/16
    159.10.131.0/24               159.10.0.0/16
    159.10.132.0/24               159.10.0.0/16
    159.10.133.0/24               159.10.0.0/16
    159.10.134.0/24               159.10.0.0/16
    159.10.136.0/24               159.10.0.0/16
    159.10.137.0/24               159.10.0.0/16
    159.10.138.0/24               159.10.0.0/16
    159.10.209.0/24               159.10.0.0/16
    159.10.210.0/24               159.10.0.0/16
    159.10.211.0/24               159.10.0.0/16

Whois Entry

whois: 402603

IANA has recorded AS23084 as originally allocated by 
/usr/bin/whois -h jwhois.apnic.netr "AS23084\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.
             #
             
             
             No match found for -Vjw1.0,2401:2000:6660::13 23084.
             
             
             #
             # 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.
             #