Report for 55292

Name

WELLMARK - WELLMARK BLUE CROSS AND BLUE SHIELD, 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.

55292 WELLMARK - WELLMARK BLUE CROSS AND BLUE SHIELD, US

  Adjacency:     2  Upstream:     2  Downstream:     0
  Upstream Adjacent AS list
    AS3356          LEVEL3 - Level 3 Parent, LLC, US
    AS11320         LIGHTEDGE-AS-02 - LightEdge Solutions, US

Announced Prefixes

Rank  AS       Type    Originate Addr Space  (pfx)   Transit Addr space  (pfx)  Description
15666 AS55292        ORIGIN  Originate:       4864 /19.75  Transit:          0 /0.00  WELLMARK - WELLMARK BLUE CROSS AND BLUE SHIELD, 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       %
 8965 AS55292       WELLMARK - WELLMARK BLUE CROSS AND BLUE SHIEL     11      6      1      6      5  45.45%


  Prefix               AS Path                              Aggregation Suggestion
  198.245.32.0/21      4777 6939 11320 55292   
  198.245.32.0/24      4777 2497 3356 55292   
  198.245.33.0/24      4777 2516 3356 55292   
  198.245.34.0/24      4777 2497 3356 55292   
  198.245.36.0/24      4777 6939 11320 55292 - Withdrawn - matching aggregate 198.245.32.0/21 4777 6939 11320 55292
  198.245.37.0/24      4777 6939 11320 55292 - Withdrawn - matching aggregate 198.245.32.0/21 4777 6939 11320 55292
  198.245.38.0/24      4777 6939 11320 55292 - Withdrawn - matching aggregate 198.245.32.0/21 4777 6939 11320 55292
  198.245.39.0/24      4777 6939 11320 55292 - Withdrawn - matching aggregate 198.245.32.0/21 4777 6939 11320 55292
  198.245.40.0/23      4777 6939 11320 55292   
  198.245.40.0/23      4777 2516 3356 55292 + Announce - aggregate of 198.245.40.0/24 (4777 2516 3356 55292) and 198.245.41.0/24 (4777 2516 3356 55292)
  198.245.40.0/24      4777 2516 3356 55292 - Withdrawn - aggregated with 198.245.41.0/24 (4777 2516 3356 55292)
  198.245.41.0/24      4777 2516 3356 55292 - Withdrawn - aggregated with 198.245.40.0/24 (4777 2516 3356 55292)

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

AS55292   9 More Specifics   11 Total Advertisements   WELLMARK - WELLMARK BLUE CROSS AND BLUE SHIELD, US
    198.245.32.0/24               198.245.32.0/21
    198.245.33.0/24               198.245.32.0/21
    198.245.34.0/24               198.245.32.0/21
    198.245.36.0/24               198.245.32.0/21
    198.245.37.0/24               198.245.32.0/21
    198.245.38.0/24               198.245.32.0/21
    198.245.39.0/24               198.245.32.0/21
    198.245.40.0/24               198.245.40.0/23
    198.245.41.0/24               198.245.40.0/23

Whois Entry

whois: 402332

IANA has recorded AS55292 as originally allocated by 
/usr/bin/whois -h jwhois.apnic.netr "AS55292\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:       55292
             ASName:         WELLMARK
             ASHandle:       AS55292
             RegDate:        2013-05-17
             Updated:        2013-05-17
             Ref:            https://rdap.arin.net/registry/autnum/55292
             
             
             OrgName:        WELLMARK BLUE CROSS AND BLUE SHIELD
             OrgId:          BCBSI
             Address:        1331 Grand Ave
             City:           Des Moines
             StateProv:      IA
             PostalCode:     50309
             Country:        US
             RegDate:        
             Updated:        2023-12-12
             Ref:            https://rdap.arin.net/registry/entity/BCBSI
             
             
             OrgAbuseHandle: LICKM-ARIN
             OrgAbuseName:   Lick, Matt 
             OrgAbusePhone:  +1-515-376-4490 
             OrgAbuseEmail:  lickm@wellmark.com
             OrgAbuseRef:    https://rdap.arin.net/registry/entity/LICKM-ARIN
             
             OrgTechHandle: LICKM-ARIN
             OrgTechName:   Lick, Matt 
             OrgTechPhone:  +1-515-376-4490 
             OrgTechEmail:  lickm@wellmark.com
             OrgTechRef:    https://rdap.arin.net/registry/entity/LICKM-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.
             #