Report for 397779

Name

CONCORD-HOSPITAL-ASN-01 - Concord Hospital, 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.

397779 CONCORD-HOSPITAL-ASN-01 - Concord Hospital, US

  Adjacency:     1  Upstream:     1  Downstream:     0
  Upstream Adjacent AS list
    AS7015          COMCAST-7015 - Comcast Cable Communications, LLC, US

Announced Prefixes

Rank  AS       Type    Originate Addr Space  (pfx)   Transit Addr space  (pfx)  Description
22939 AS397779       ORIGIN  Originate:       2560 /20.68  Transit:          0 /0.00  CONCORD-HOSPITAL-ASN-01 - Concord Hospital, 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       %
15074 AS397779      CONCORD-HOSPITAL-ASN-01 - Concord Hospital, U      6      3      0      3      3  50.00%


  Prefix               AS Path                              Aggregation Suggestion
  198.212.225.0/24     4777 2516 7922 7015 397779   
  198.212.226.0/23     4777 2516 7922 7015 397779   
  198.212.227.0/24     4777 2516 7922 7015 397779 - Withdrawn - matching aggregate 198.212.226.0/23 4777 2516 7922 7015 397779
  198.212.228.0/22     4777 2516 7922 7015 397779   
  198.212.228.0/24     4777 2516 7922 7015 397779 - Withdrawn - matching aggregate 198.212.228.0/22 4777 2516 7922 7015 397779
  198.212.229.0/24     4777 2516 7922 7015 397779 - Withdrawn - matching aggregate 198.212.228.0/22 4777 2516 7922 7015 397779

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

AS397779   3 More Specifics   6 Total Advertisements   CONCORD-HOSPITAL-ASN-01 - Concord Hospital, US
    198.212.227.0/24              198.212.226.0/23
    198.212.228.0/24              198.212.228.0/22
    198.212.229.0/24              198.212.228.0/22

Whois Entry

whois: 402332

IANA has recorded AS397779 as originally allocated by 
/usr/bin/whois -h jwhois.apnic.netr "AS397779\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:       397779
             ASName:         CONCORD-HOSPITAL-ASN-01
             ASHandle:       AS397779
             RegDate:        2019-07-26
             Updated:        2019-07-26
             Ref:            https://rdap.arin.net/registry/autnum/397779
             
             
             OrgName:        Concord Hospital
             OrgId:          CONCOR
             Address:        250 Pleasant Street
             City:           Concord
             StateProv:      NH
             PostalCode:     03301
             Country:        US
             RegDate:        1993-06-30
             Updated:        2019-06-10
             Ref:            https://rdap.arin.net/registry/entity/CONCOR
             
             
             OrgAbuseHandle: FH7-ARIN
             OrgAbuseName:   Hubbard, Freeland 
             OrgAbusePhone:  +1-603-225-2711 
             OrgAbuseEmail:  DNSMASTER@crhc.org
             OrgAbuseRef:    https://rdap.arin.net/registry/entity/FH7-ARIN
             
             OrgTechHandle: FH7-ARIN
             OrgTechName:   Hubbard, Freeland 
             OrgTechPhone:  +1-603-225-2711 
             OrgTechEmail:  DNSMASTER@crhc.org
             OrgTechRef:    https://rdap.arin.net/registry/entity/FH7-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.
             #