Report for 6646

Name

AETNA - Aetna, Inc., 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.

6646 AETNA - Aetna, Inc., US

  Adjacency:     1  Upstream:     1  Downstream:     0
  Upstream Adjacent AS list
    AS3356          LEVEL3 - Level 3 Parent, LLC, US

Announced Prefixes

Rank  AS       Type    Originate Addr Space  (pfx)   Transit Addr space  (pfx)  Description
4971  AS6646         ORIGIN  Originate:      37120 /16.82  Transit:          0 /0.00  AETNA - Aetna, Inc., 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       %
 8422 AS6646        AETNA - Aetna, Inc., US                           20      8      3     15      5  25.00%


  Prefix               AS Path                              Aggregation Suggestion
  206.213.192.0/18     4777 2516 3356 6646    
  206.213.192.0/18     4777 2497 3356 6646  + Announce - aggregate of 206.213.192.0/19 (4777 2497 3356 6646) and 206.213.224.0/19 (4777 2497 3356 6646)
  206.213.192.0/19     4777 2497 3356 6646  - Withdrawn - aggregated with 206.213.224.0/19 (4777 2497 3356 6646)
  206.213.196.0/24     4777 2497 3356 6646  - Withdrawn - matching aggregate 206.213.192.0/19 4777 2497 3356 6646
  206.213.197.0/24     4777 2516 3356 6646    
  206.213.209.0/24     4777 2516 3356 6646    
  206.213.211.0/24     4777 2516 3356 6646    
  206.213.212.0/23     4777 2516 3356 6646  + Announce - aggregate of 206.213.212.0/24 (4777 2516 3356 6646) and 206.213.213.0/24 (4777 2516 3356 6646)
  206.213.212.0/24     4777 2516 3356 6646  - Withdrawn - aggregated with 206.213.213.0/24 (4777 2516 3356 6646)
  206.213.213.0/24     4777 2516 3356 6646  - Withdrawn - aggregated with 206.213.212.0/24 (4777 2516 3356 6646)
  206.213.215.0/24     4777 2516 3356 6646    
  206.213.223.0/24     4777 2516 3356 6646    
  206.213.224.0/19     4777 2497 3356 6646  - Withdrawn - aggregated with 206.213.192.0/19 (4777 2497 3356 6646)
  206.213.233.0/24     4777 2516 3356 6646    
  206.213.240.0/23     4777 2516 3356 6646  + Announce - aggregate of 206.213.240.0/24 (4777 2516 3356 6646) and 206.213.241.0/24 (4777 2516 3356 6646)
  206.213.240.0/24     4777 2516 3356 6646  - Withdrawn - aggregated with 206.213.241.0/24 (4777 2516 3356 6646)
  206.213.241.0/24     4777 2516 3356 6646  - Withdrawn - aggregated with 206.213.240.0/24 (4777 2516 3356 6646)
  206.213.243.0/24     4777 2516 3356 6646    
  206.213.244.0/24     4777 2516 3356 6646    
  206.213.246.0/24     4777 2516 3356 6646    
  206.213.251.0/24     4777 2516 3356 6646    
  206.213.253.0/24     4777 2516 3356 6646    
  206.213.254.0/24     4777 2497 3356 6646  - Withdrawn - matching aggregate 206.213.224.0/19 4777 2497 3356 6646

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

AS6646   19 More Specifics   20 Total Advertisements   AETNA - Aetna, Inc., US
    206.213.192.0/19              206.213.192.0/18
    206.213.196.0/24              206.213.192.0/18
    206.213.197.0/24              206.213.192.0/18
    206.213.209.0/24              206.213.192.0/18
    206.213.211.0/24              206.213.192.0/18
    206.213.212.0/24              206.213.192.0/18
    206.213.213.0/24              206.213.192.0/18
    206.213.215.0/24              206.213.192.0/18
    206.213.223.0/24              206.213.192.0/18
    206.213.224.0/19              206.213.192.0/18
    206.213.233.0/24              206.213.192.0/18
    206.213.240.0/24              206.213.192.0/18
    206.213.241.0/24              206.213.192.0/18
    206.213.243.0/24              206.213.192.0/18
    206.213.244.0/24              206.213.192.0/18
    206.213.246.0/24              206.213.192.0/18
    206.213.251.0/24              206.213.192.0/18
    206.213.253.0/24              206.213.192.0/18
    206.213.254.0/24              206.213.192.0/18

Whois Entry

whois: 402332

IANA has recorded AS6646 as originally allocated by 
/usr/bin/whois -h jwhois.apnic.netr "AS6646\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:       6646
             ASName:         AETNA
             ASHandle:       AS6646
             RegDate:        1996-06-14
             Updated:        2003-05-23
             Ref:            https://rdap.arin.net/registry/autnum/6646
             
             
             OrgName:        Aetna, Inc.
             OrgId:          AETNA-1
             Address:        151 Farmington Avenue
             City:           Hartford
             StateProv:      CT
             PostalCode:     06156
             Country:        US
             RegDate:        1996-06-14
             Updated:        2019-11-07
             Ref:            https://rdap.arin.net/registry/entity/AETNA-1
             
             
             OrgTechHandle: HOSTM190-ARIN
             OrgTechName:   HostMaster
             OrgTechPhone:  +1-860-636-9898 
             OrgTechEmail:  hostmaster@aetna.com
             OrgTechRef:    https://rdap.arin.net/registry/entity/HOSTM190-ARIN
             
             OrgAbuseHandle: HOSTM190-ARIN
             OrgAbuseName:   HostMaster
             OrgAbusePhone:  +1-860-636-9898 
             OrgAbuseEmail:  hostmaster@aetna.com
             OrgAbuseRef:    https://rdap.arin.net/registry/entity/HOSTM190-ARIN
             
             RTechHandle: HOSTM190-ARIN
             RTechName:   HostMaster
             RTechPhone:  +1-860-636-9898 
             RTechEmail:  hostmaster@aetna.com
             RTechRef:    https://rdap.arin.net/registry/entity/HOSTM190-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.
             #