Report for 11406

Name

CIGNA-1 - CIGNA, 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.

11406 CIGNA-1 - CIGNA, US

  Adjacency:     3  Upstream:     3  Downstream:     0
  Upstream Adjacent AS list
    AS174           COGENT-174 - Cogent Communications, LLC, US
    AS3356          LEVEL3 - Level 3 Parent, LLC, 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
5509  AS11406        ORIGIN  Originate:      30720 /17.09  Transit:          0 /0.00  CIGNA-1 - CIGNA, 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       %
 7151 AS11406       CIGNA-1 - CIGNA, US                               23     10      4     17      6  26.09%


  Prefix               AS Path                              Aggregation Suggestion
  170.48.0.0/18        4777 2497 3356 11406   
  170.48.0.0/20        4777 2497 174 11406    
  170.48.0.0/23        4777 32787 11406     + Announce - aggregate of 170.48.0.0/24 (4777 32787 11406) and 170.48.1.0/24 (4777 32787 11406)
  170.48.0.0/24        4777 32787 11406     - Withdrawn - aggregated with 170.48.1.0/24 (4777 32787 11406)
  170.48.1.0/24        4777 32787 11406     - Withdrawn - aggregated with 170.48.0.0/24 (4777 32787 11406)
  170.48.2.0/24        4777 32787 11406       
  170.48.7.0/24        4777 32787 11406       
  170.48.8.0/24        4777 32787 11406       
  170.48.10.0/23       4777 32787 11406     + Announce - aggregate of 170.48.10.0/24 (4777 32787 11406) and 170.48.11.0/24 (4777 32787 11406)
  170.48.10.0/24       4777 32787 11406     - Withdrawn - aggregated with 170.48.11.0/24 (4777 32787 11406)
  170.48.11.0/24       4777 32787 11406     - Withdrawn - aggregated with 170.48.10.0/24 (4777 32787 11406)
  170.48.12.0/22       4777 32787 11406     + Announce - aggregate of 170.48.12.0/23 (4777 32787 11406) and 170.48.14.0/23 (4777 32787 11406)
  170.48.12.0/24       4777 32787 11406     - Withdrawn - aggregated with 170.48.13.0/24 (4777 32787 11406)
  170.48.13.0/24       4777 32787 11406     - Withdrawn - aggregated with 170.48.12.0/24 (4777 32787 11406)
  170.48.14.0/24       4777 32787 11406     - Withdrawn - aggregated with 170.48.15.0/24 (4777 32787 11406)
  170.48.15.0/24       4777 32787 11406     - Withdrawn - aggregated with 170.48.14.0/24 (4777 32787 11406)
  170.48.32.0/20       4777 2497 174 11406    
  170.48.32.0/23       4777 32787 11406     + Announce - aggregate of 170.48.32.0/24 (4777 32787 11406) and 170.48.33.0/24 (4777 32787 11406)
  170.48.32.0/24       4777 32787 11406     - Withdrawn - aggregated with 170.48.33.0/24 (4777 32787 11406)
  170.48.33.0/24       4777 32787 11406     - Withdrawn - aggregated with 170.48.32.0/24 (4777 32787 11406)
  170.48.36.0/24       4777 32787 11406       
  170.48.39.0/24       4777 32787 11406       
  170.48.43.0/24       4777 32787 11406       
  170.48.47.0/24       4777 32787 11406       
  208.242.12.0/22      4777 2497 3356 11406   
  208.242.14.0/23      4777 2497 174 11406    
  208.242.14.0/24      4777 32787 11406       

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

AS11406   23 More Specifics   23 Total Advertisements   CIGNA-1 - CIGNA, US
    170.48.0.0/18                 170.48.0.0/16
    170.48.0.0/20                 170.48.0.0/16
    170.48.0.0/24                 170.48.0.0/16
    170.48.1.0/24                 170.48.0.0/16
    170.48.2.0/24                 170.48.0.0/16
    170.48.7.0/24                 170.48.0.0/16
    170.48.8.0/24                 170.48.0.0/16
    170.48.10.0/24                170.48.0.0/16
    170.48.11.0/24                170.48.0.0/16
    170.48.12.0/24                170.48.0.0/16
    170.48.13.0/24                170.48.0.0/16
    170.48.14.0/24                170.48.0.0/16
    170.48.15.0/24                170.48.0.0/16
    170.48.32.0/20                170.48.0.0/16
    170.48.32.0/24                170.48.0.0/16
    170.48.33.0/24                170.48.0.0/16
    170.48.36.0/24                170.48.0.0/16
    170.48.39.0/24                170.48.0.0/16
    170.48.43.0/24                170.48.0.0/16
    170.48.47.0/24                170.48.0.0/16
    208.242.12.0/22               208.192.0.0/10
    208.242.14.0/23               208.192.0.0/10
    208.242.14.0/24               208.192.0.0/10

Whois Entry

whois: 402332

IANA has recorded AS11406 as originally allocated by 
/usr/bin/whois -h jwhois.apnic.netr "AS11406\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:       11406
             ASName:         CIGNA-1
             ASHandle:       AS11406
             RegDate:        2010-03-05
             Updated:        2012-03-02
             Ref:            https://rdap.arin.net/registry/autnum/11406
             
             
             OrgName:        CIGNA
             OrgId:          CIGNA-7
             Address:        300 Bellevue Drive
             City:           Wilmington
             StateProv:      DE
             PostalCode:     19809
             Country:        US
             RegDate:        2010-02-01
             Updated:        2016-04-01
             Ref:            https://rdap.arin.net/registry/entity/CIGNA-7
             
             
             OrgTechHandle: CIGNA2-ARIN
             OrgTechName:   CIGNAtech
             OrgTechPhone:  +1-952-358-4190 
             OrgTechEmail:  arin-tech@cigna.com
             OrgTechRef:    https://rdap.arin.net/registry/entity/CIGNA2-ARIN
             
             OrgNOCHandle: CIGNA-ARIN
             OrgNOCName:   CIGNANOC
             OrgNOCPhone:  +1-877-902-4462 
             OrgNOCEmail:  arin-noc@cigna.com
             OrgNOCRef:    https://rdap.arin.net/registry/entity/CIGNA-ARIN
             
             OrgAbuseHandle: CIGNA1-ARIN
             OrgAbuseName:   CIGNAabuse
             OrgAbusePhone:  +1-877-902-4462 
             OrgAbuseEmail:  arin-abuse@cigna.com
             OrgAbuseRef:    https://rdap.arin.net/registry/entity/CIGNA1-ARIN
             
             RNOCHandle: CIGNA-ARIN
             RNOCName:   CIGNANOC
             RNOCPhone:  +1-877-902-4462 
             RNOCEmail:  arin-noc@cigna.com
             RNOCRef:    https://rdap.arin.net/registry/entity/CIGNA-ARIN
             
             RTechHandle: CIGNA2-ARIN
             RTechName:   CIGNAtech
             RTechPhone:  +1-952-358-4190 
             RTechEmail:  arin-tech@cigna.com
             RTechRef:    https://rdap.arin.net/registry/entity/CIGNA2-ARIN
             
             RAbuseHandle: CIGNA1-ARIN
             RAbuseName:   CIGNAabuse
             RAbusePhone:  +1-877-902-4462 
             RAbuseEmail:  arin-abuse@cigna.com
             RAbuseRef:    https://rdap.arin.net/registry/entity/CIGNA1-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.
             #