Report for 399553

Name

HB-MAIN-ASN - Trustmark Health Benefits, 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.

399553 HB-MAIN-ASN - Trustmark Health Benefits, US

  Adjacency:     1  Upstream:     1  Downstream:     0
  Upstream Adjacent AS list
    AS7018          ATT-INTERNET4 - AT&T Enterprises, LLC, US

Announced Prefixes

Rank  AS       Type    Originate Addr Space  (pfx)   Transit Addr space  (pfx)  Description
57918 AS399553       ORIGIN  Originate:        512 /23.00  Transit:          0 /0.00  HB-MAIN-ASN - Trustmark Health Benefits, 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       %
76741 AS399553      HB-MAIN-ASN - Trustmark Health Benefits, US        2      0      0      2      0   0.00%


  Prefix               AS Path                              Aggregation Suggestion
  12.13.210.0/24       4777 2497 7018 399553   
  12.235.233.0/24      4777 2497 7018 399553   

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

AS399553   2 More Specifics   2 Total Advertisements   HB-MAIN-ASN - Trustmark Health Benefits, US
    12.13.210.0/24                12.0.0.0/8
    12.235.233.0/24               12.0.0.0/8

Whois Entry

whois: 402603

IANA has recorded AS399553 as originally allocated by 
/usr/bin/whois -h jwhois.apnic.netr "AS399553\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:       399553
             ASName:         HB-MAIN-ASN
             ASHandle:       AS399553
             RegDate:        2022-12-07
             Updated:        2022-12-07
             Ref:            https://rdap.arin.net/registry/autnum/399553
             
             
             OrgName:        Trustmark Health Benefits
             OrgId:          THB-16
             Address:        400 N Field
             City:           Lake Forest
             StateProv:      IL
             PostalCode:     60045
             Country:        US
             RegDate:        2022-09-20
             Updated:        2022-11-22
             Ref:            https://rdap.arin.net/registry/entity/THB-16
             
             
             OrgTechHandle: CARDA7-ARIN
             OrgTechName:   Cardamone, Brian 
             OrgTechPhone:  +1-847-283-2561 
             OrgTechEmail:  bcardamone@trustmarkbenefits.com
             OrgTechRef:    https://rdap.arin.net/registry/entity/CARDA7-ARIN
             
             OrgAbuseHandle: CARDA7-ARIN
             OrgAbuseName:   Cardamone, Brian 
             OrgAbusePhone:  +1-847-283-2561 
             OrgAbuseEmail:  bcardamone@trustmarkbenefits.com
             OrgAbuseRef:    https://rdap.arin.net/registry/entity/CARDA7-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.
             #