Report for 15118

Name

SIUMED - Southern Illinois University - School of Medicine, 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.

15118 SIUMED - Southern Illinois University - School of Medicine, US

  Adjacency:     2  Upstream:     2  Downstream:     0
  Upstream Adjacent AS list
    AS6325          ILLINOIS-CENTURY - Illinois Century Network, US
    AS62943         AS62943-BLUEBIRD-NETWORK - Missouri Network Alliance, LLC, US

Announced Prefixes

Rank  AS       Type    Originate Addr Space  (pfx)   Transit Addr space  (pfx)  Description
13658 AS15118        ORIGIN  Originate:       6144 /19.42  Transit:          0 /0.00  SIUMED - Southern Illinois University - School of Medicine, 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       %
34135 AS15118       SIUMED - Southern Illinois University - Schoo      3      0      0      3      0   0.00%


  Prefix               AS Path                              Aggregation Suggestion
  131.230.224.0/20     4777 2516 174 6325 15118   
  131.230.228.0/22     4777 6939 62943 15118   
  131.230.236.0/22     4777 6939 62943 15118   

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

AS15118   3 More Specifics   3 Total Advertisements   SIUMED - Southern Illinois University - School of Medicine, US
    131.230.224.0/20              131.230.0.0/16
    131.230.228.0/22              131.230.0.0/16
    131.230.236.0/22              131.230.0.0/16

Whois Entry

whois: 402332

IANA has recorded AS15118 as originally allocated by 
/usr/bin/whois -h jwhois.apnic.netr "AS15118\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:       15118
             ASName:         SIUMED
             ASHandle:       AS15118
             RegDate:        2000-03-22
             Updated:        2025-01-02
             Ref:            https://rdap.arin.net/registry/autnum/15118
             
             
             OrgName:        Southern Illinois University - School of Medicine
             OrgId:          SIUT
             Address:        801 North Rutledge Room 1071
             Address:        PO BOX 19615
             City:           Springfield
             StateProv:      IL
             PostalCode:     62794-9615
             Country:        US
             RegDate:        2000-03-22
             Updated:        2023-07-25
             Ref:            https://rdap.arin.net/registry/entity/SIUT
             
             
             OrgTechHandle: NETWO7211-ARIN
             OrgTechName:   Network Operations
             OrgTechPhone:  +1-217-545-4357 
             OrgTechEmail:  hostmaster@siumed.edu
             OrgTechRef:    https://rdap.arin.net/registry/entity/NETWO7211-ARIN
             
             OrgTechHandle: BERGE288-ARIN
             OrgTechName:   Berger, John 
             OrgTechPhone:  +1-217-545-4357 
             OrgTechEmail:  techsupport@siumed.edu
             OrgTechRef:    https://rdap.arin.net/registry/entity/BERGE288-ARIN
             
             OrgAbuseHandle: GAR39-ARIN
             OrgAbuseName:   General Abuse Reporting
             OrgAbusePhone:  +1-217-545-4357 
             OrgAbuseEmail:  abuse@siumed.edu
             OrgAbuseRef:    https://rdap.arin.net/registry/entity/GAR39-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.
             #