Report for 12020

Name

MHSC-BGP-ASN - Methodist Hospital of Southern California, 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.

12020 MHSC-BGP-ASN, US

  Adjacency:     1  Upstream:     1  Downstream:     0
  Upstream Adjacent AS list
    AS7018          ATT-INTERNET4, US

Announced Prefixes

Rank  AS       Type    Originate Addr Space  (pfx)   Transit Addr space  (pfx)  Description
58914 AS12020        ORIGIN  Originate:        256 /24.00  Transit:          0 /0.00  MHSC-BGP-ASN, 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       %
32900 AS12020       MHSC-BGP-ASN, US                                   1      0      0      1      0   0.00%


  Prefix               AS Path                              Aggregation Suggestion
  12.201.84.0/24       7018 12020             

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

AS12020   1 More Specifics   1 Total Advertisements   MHSC-BGP-ASN, US
    12.201.84.0/24                12.0.0.0/8

Whois Entry

whois: 402590

IANA has recorded AS12020 as originally allocated by 
/usr/bin/whois -h jwhois.apnic.netr "AS12020\n             
             #
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             # 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/
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             # Copyright 1997-2026, American Registry for Internet Numbers, Ltd.
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             ASNumber:       12020
             ASName:         MHSC-BGP-ASN
             ASHandle:       AS12020
             RegDate:        2010-10-11
             Updated:        2012-12-06
             Ref:            https://rdap.arin.net/registry/autnum/12020
             
             
             OrgName:        Methodist Hospital of Southern California
             OrgId:          MHSC4
             Address:        300 West Huntington Drive
             City:           Arcadia
             StateProv:      CA
             PostalCode:     91007
             Country:        US
             RegDate:        2010-08-11
             Updated:        2012-12-06
             Comment:        New Admin
             Ref:            https://rdap.arin.net/registry/entity/MHSC4
             
             
             OrgTechHandle: AMS95-ARIN
             OrgTechName:   Sakaguchi, Anthony Mark
             OrgTechPhone:  +1-626-821-6924 
             OrgTechEmail:  anthony.sakaguchi@med.usc.edu
             OrgTechRef:    https://rdap.arin.net/registry/entity/AMS95-ARIN
             
             OrgAbuseHandle: AMS95-ARIN
             OrgAbuseName:   Sakaguchi, Anthony Mark
             OrgAbusePhone:  +1-626-821-6924 
             OrgAbuseEmail:  anthony.sakaguchi@med.usc.edu
             OrgAbuseRef:    https://rdap.arin.net/registry/entity/AMS95-ARIN
             
             RTechHandle: AMS95-ARIN
             RTechName:   Sakaguchi, Anthony Mark
             RTechPhone:  +1-626-821-6924 
             RTechEmail:  anthony.sakaguchi@med.usc.edu
             RTechRef:    https://rdap.arin.net/registry/entity/AMS95-ARIN
             
             RAbuseHandle: AMS95-ARIN
             RAbuseName:   Sakaguchi, Anthony Mark
             RAbusePhone:  +1-626-821-6924 
             RAbuseEmail:  anthony.sakaguchi@med.usc.edu
             RAbuseRef:    https://rdap.arin.net/registry/entity/AMS95-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.
             #