Report for 12250

Name

EHSC - EDWARD HEALTH SERVICE CORP, 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.

12250 EHSC, US

  Adjacency:     2  Upstream:     2  Downstream:     0
  Upstream Adjacent AS list
    AS7018          ATT-INTERNET4, US
    AS33491         COMCAST-33491, US

Announced Prefixes

Rank  AS       Type    Originate Addr Space  (pfx)   Transit Addr space  (pfx)  Description
32725 AS12250        ORIGIN  Originate:       1280 /21.68  Transit:          0 /0.00  EHSC, 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       %
32999 AS12250       EHSC, US                                           5      0      0      5      0   0.00%


  Prefix               AS Path                              Aggregation Suggestion
  45.59.156.0/24       7018 7922 33491 12250   
  45.59.157.0/24       7018 12250             
  50.236.144.0/24      3257 7922 33491 12250   
  65.42.192.0/24       7018 12250             
  216.207.220.0/24     7018 12250             

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

AS12250   5 More Specifics   5 Total Advertisements   EHSC, US
    45.59.156.0/24                45.59.156.0/23
    45.59.157.0/24                45.59.156.0/23
    50.236.144.0/24               50.128.0.0/9
    65.42.192.0/24                65.42.0.0/15
    216.207.220.0/24              216.206.0.0/15

Whois Entry

whois: 402590

IANA has recorded AS12250 as originally allocated by 
/usr/bin/whois -h jwhois.apnic.netr "AS12250\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:       12250
             ASName:         EHSC
             ASHandle:       AS12250
             RegDate:        2007-09-25
             Updated:        2012-03-02
             Ref:            https://rdap.arin.net/registry/autnum/12250
             
             
             OrgName:        EDWARD HEALTH SERVICE CORP
             OrgId:          EHSC-1
             Address:        801 S WASHINGTON STREET
             City:           NAPERVILLE
             StateProv:      IL
             PostalCode:     60540
             Country:        US
             RegDate:        2004-01-22
             Updated:        2013-03-14
             Ref:            https://rdap.arin.net/registry/entity/EHSC-1
             
             
             OrgTechHandle: MIKOL1-ARIN
             OrgTechName:   Mikolajczyk, Konrad 
             OrgTechPhone:  +1-630-527-5666 
             OrgTechEmail:  kmikol@edward.org
             OrgTechRef:    https://rdap.arin.net/registry/entity/MIKOL1-ARIN
             
             OrgAbuseHandle: MIKOL1-ARIN
             OrgAbuseName:   Mikolajczyk, Konrad 
             OrgAbusePhone:  +1-630-527-5666 
             OrgAbuseEmail:  kmikol@edward.org
             OrgAbuseRef:    https://rdap.arin.net/registry/entity/MIKOL1-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.
             #