Report for 21609

Name

SENTINEL-BENEFITS-GROUP - Sentinel Benefits Group, 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 AS6447) 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.

21609 SENTINEL-BENEFITS-GROUP, US

  Adjacency:     1  Upstream:     1  Downstream:     0
  Upstream Adjacent AS list
    AS27552         TWDX, US

Announced Prefixes

Rank  AS       Type    Originate Addr Space  (pfx)   Transit Addr space  (pfx)  Description
59849 AS21609        ORIGIN  Originate:        256 /24.00  Transit:          0 /0.00  SENTINEL-BENEFITS-GROUP, 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       %
36027 AS21609       SENTINEL-BENEFITS-GROUP, US                        1      0      0      1      0   0.00%


  Prefix               AS Path                              Aggregation Suggestion
  40.141.58.0/24       293 27552 21609        

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

AS21609   1 More Specifics   1 Total Advertisements   SENTINEL-BENEFITS-GROUP, US
    40.141.58.0/24                40.140.0.0/15

Whois Entry

whois: 402549

IANA has recorded AS21609 as originally allocated by 
/usr/bin/whois -h jwhois.apnic.netr "AS21609\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:       21609
             ASName:         SENTINEL-BENEFITS-GROUP
             ASHandle:       AS21609
             RegDate:        2014-03-10
             Updated:        2014-03-10
             Comment:        www.sentinelgroup.com
             Ref:            https://rdap.arin.net/registry/autnum/21609
             
             
             OrgName:        Sentinel Benefits Group, INC
             OrgId:          SBG-26
             Address:        100 Quannapowitt Pkwy, Suite 300
             City:           Wakefield
             StateProv:      MA
             PostalCode:     01880
             Country:        US
             RegDate:        2014-02-11
             Updated:        2015-02-10
             Comment:        https://www.sentinelgroup.com/
             Ref:            https://rdap.arin.net/registry/entity/SBG-26
             
             
             OrgNOCHandle: SCLAF2-ARIN
             OrgNOCName:   Sclafani, Sal 
             OrgNOCPhone:  +1-781-213-6723 
             OrgNOCEmail:  Todd.Larson@sentinelgroup.com
             OrgNOCRef:    https://rdap.arin.net/registry/entity/SCLAF2-ARIN
             
             OrgAbuseHandle: SCLAF2-ARIN
             OrgAbuseName:   Sclafani, Sal 
             OrgAbusePhone:  +1-781-213-6723 
             OrgAbuseEmail:  Todd.Larson@sentinelgroup.com
             OrgAbuseRef:    https://rdap.arin.net/registry/entity/SCLAF2-ARIN
             
             OrgTechHandle: SCLAF2-ARIN
             OrgTechName:   Sclafani, Sal 
             OrgTechPhone:  +1-781-213-6723 
             OrgTechEmail:  Todd.Larson@sentinelgroup.com
             OrgTechRef:    https://rdap.arin.net/registry/entity/SCLAF2-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.
             #