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AS15118 Southern Illinois University School of Medicine

Q: Why is WHOIS data shown for an ASN?

WHOIS data provides registration and contact context for ASN ownership, administration, and operational reference.

ASN Lookup Tool

Southern Illinois University School of Medicine siumed.edu

US 3 Routes

AS Data

AS15118

AS15118 – Southern Illinois University School of Medicine

AS Number	15118
AS Name	SIUMED
Organization	Southern Illinois University School of Medicine (siut)
Country	US
Website	siumed.edu
Number of IPv4 Routes	3
Number of IPv6 Routes	0
ASN type	EDUCATION
Registry	ARIN
Date Allocated	2000-03-22

ASN Intelligence API for production workflows

Use ASN data for AS15118 in automation: routing intelligence, peering analysis, ownership checks, and network observability.

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IP Ranges

Route	Origin	Origin Name	ISP	# IPs
131.230.228.0/22	AS15118	Southern Illinois University School of Medicine	Southern Illinois University Carbondale	1024
131.230.236.0/22	AS15118	Southern Illinois University School of Medicine	Southern Illinois University Carbondale	1024
131.230.224.0/20	AS15118	Southern Illinois University School of Medicine	Southern Illinois University Carbondale	4096

Raw Whois Response

#
# 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.
#

Parsed Whois Response

{
  "status" : true,
  "whois_server" : "whois.arin.net",
  "aut_nums" : [ {
    "aut_num" : "15118",
    "as_handle" : "AS15118",
    "as_name" : "SIUMED",
    "tech_contacts" : [ "NETWO7211-ARIN", "BERGE288-ARIN" ],
    "abuse_contacts" : [ "GAR39-ARIN" ],
    "date_created" : "2000-03-22",
    "date_updated" : "2025-01-02",
    "source" : "https://rdap.arin.net/registry/autnum/15118"
  } ],
  "organization" : {
    "handle" : "SIUT",
    "name" : "Southern Illinois University - School of Medicine",
    "address" : [ "801 North Rutledge Room 1071", "PO BOX 19615", "Springfield", "IL", "62794-9615", "US" ],
    "street" : "North Rutledge",
    "city" : "Springfield",
    "state" : "IL",
    "zip_code" : "62794-9615",
    "country" : [ "US" ],
    "date_created" : "2000-03-22",
    "date_updated" : "2023-07-25",
    "source" : "https://rdap.arin.net/registry/entity/SIUT",
    "addressCountry" : "US"
  },
  "technical_contacts" : [ {
    "handle" : "NETWO7211-ARIN",
    "name" : "Network Operations",
    "email" : [ "hostmaster@siumed.edu" ],
    "phone" : [ "+1-217-545-4357" ],
    "source" : "https://rdap.arin.net/registry/entity/NETWO7211-ARIN"
  }, {
    "handle" : "BERGE288-ARIN",
    "name" : "Berger, John",
    "email" : [ "techsupport@siumed.edu" ],
    "phone" : [ "+1-217-545-4357" ],
    "source" : "https://rdap.arin.net/registry/entity/BERGE288-ARIN"
  } ],
  "abuse_contacts" : [ {
    "handle" : "GAR39-ARIN",
    "name" : "General Abuse Reporting",
    "email" : [ "abuse@siumed.edu" ],
    "phone" : [ "+1-217-545-4357" ],
    "source" : "https://rdap.arin.net/registry/entity/GAR39-ARIN"
  } ]
}

Peers

AS Number	Description	Country
AS62943	Missouri Network Alliance, LLC	US
AS6325	Illinois Century Network	US

Upstreams

AS Number	Description	Country
AS62943	Missouri Network Alliance, LLC	US
AS6325	Illinois Century Network	US

Contacts

Email Contacts

techsupport@siumed.edu hostmaster@siumed.edu

Abuse Contacts

abuse@siumed.edu

Frequently Asked Questions

What is ASN AS15118?

ASN AS15118 is an Autonomous System Number used to identify a network for BGP internet routing.

Who manages ASN AS15118?

AS15118 is listed under Southern Illinois University School of Medicine.

What do peers, upstreams, and downstreams mean?

Peers are lateral network interconnections, upstreams are transit providers, and downstreams are customer networks receiving connectivity.

What are routes and IP ranges for an ASN?

Routes and IP ranges are the network prefixes announced by the ASN on the internet and show the address space it originates.

Why is WHOIS data included here?

WHOIS provides registration and contact context for ASN ownership, administration, and operational reference.

How can I access full ASN table data?

This page previews large ASN datasets. Use See more to load additional rows, and upgrade your plan to view complete peer, route, upstream, and downstream data.