ASN AS32666 is an Autonomous System Number used to identify a network for BGP internet routing.

Who manages ASN AS32666?

AS32666 is listed under Case Western Reserve University.

What do peers, upstreams, and downstreams mean in ASN data?

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 shown for an ASN?

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

How can I access the full ASN tables?

The page shows a preview of large ASN datasets. Use the page controls to load more rows, and upgrade to a paid plan for complete access.

AS32666 Case Western Reserve University

ASN Lookup Tool

Case Western Reserve University case.edu

US 21 Routes

AS Data

AS32666

AS32666 – Case Western Reserve University

AS Number	32666
AS Name	CWRU-AS-1
Organization	Case Western Reserve University (cwru)
Country	US
Website	case.edu
Number of IPv4 Routes	20
Number of IPv6 Routes	1
ASN type	EDUCATION
Registry	ARIN
Date Allocated	2004-06-25

ASN Intelligence API for production workflows

Use ASN data for AS32666 in automation: routing intelligence, peering analysis, ownership checks, and network observability.

Access complete peers, upstreams, downstreams, routes, WHOIS, and contact intelligence via our API. Learn more

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IP Ranges

Route	Origin	Origin Name	ISP	# IPs
129.22.0.0/20	AS32666	Case Western Reserve University	Case Western Reserve University	4096
129.22.64.0/20	AS32666	Case Western Reserve University	Case Western Reserve University	4096
129.22.32.0/20	AS32666	Case Western Reserve University	Case Western Reserve University	4096
129.22.208.0/20	AS32666	Case Western Reserve University	Case Western Reserve University	4096
129.22.144.0/20	AS32666	Case Western Reserve University	Case Western Reserve University	4096
129.22.48.0/20	AS32666	Case Western Reserve University	Case Western Reserve University	4096
192.5.109.0/24	AS32666	Case Western Reserve University	Case Western Reserve University	256
129.22.16.0/20	AS32666	Case Western Reserve University	Case Western Reserve University	4096
2606:ea00::/32	AS32666	Case Western Reserve University	Case Western Reserve University	~79×10²⁷
129.22.176.0/20	AS32666	Case Western Reserve University	Case Western Reserve University	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:       32666
ASName:         CWRU-AS-1
ASHandle:       AS32666
RegDate:        2004-06-25
Updated:        2017-12-08
Ref:            https://rdap.arin.net/registry/autnum/32666


OrgName:        Case Western Reserve University
OrgId:          CWRU
Address:        10900 Euclid Avenue
City:           Cleveland
StateProv:      OH
PostalCode:     44106
Country:        US
RegDate:        1988-03-03
Updated:        2017-12-08
Comment:        http://www.case.edu
Ref:            https://rdap.arin.net/registry/entity/CWRU


OrgNOCHandle: NOC32756-ARIN
OrgNOCName:   NOC
OrgNOCPhone:  +1-216-368-4357 
OrgNOCEmail:  nesg@case.edu
OrgNOCRef:    https://rdap.arin.net/registry/entity/NOC32756-ARIN

OrgAbuseHandle: ABUSE6716-ARIN
OrgAbuseName:   Abuse
OrgAbusePhone:  +1-216-368-4357 
OrgAbuseEmail:  abuse@case.edu
OrgAbuseRef:    https://rdap.arin.net/registry/entity/ABUSE6716-ARIN

OrgTechHandle: DNA49-ARIN
OrgTechName:   Andrews, Debra N.
OrgTechPhone:  +1-216-368-3165 
OrgTechEmail:  dnd@case.edu
OrgTechRef:    https://rdap.arin.net/registry/entity/DNA49-ARIN

RNOCHandle: NOC32756-ARIN
RNOCName:   NOC
RNOCPhone:  +1-216-368-4357 
RNOCEmail:  nesg@case.edu
RNOCRef:    https://rdap.arin.net/registry/entity/NOC32756-ARIN

RTechHandle: NOC32756-ARIN
RTechName:   NOC
RTechPhone:  +1-216-368-4357 
RTechEmail:  nesg@case.edu
RTechRef:    https://rdap.arin.net/registry/entity/NOC32756-ARIN

RAbuseHandle: ABUSE6716-ARIN
RAbuseName:   Abuse
RAbusePhone:  +1-216-368-4357 
RAbuseEmail:  abuse@case.edu
RAbuseRef:    https://rdap.arin.net/registry/entity/ABUSE6716-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" : "32666",
    "as_handle" : "AS32666",
    "as_name" : "CWRU-AS-1",
    "tech_contacts" : [ "DNA49-ARIN", "NOC32756-ARIN" ],
    "abuse_contacts" : [ "ABUSE6716-ARIN", "ABUSE6716-ARIN" ],
    "date_created" : "2004-06-25",
    "date_updated" : "2017-12-08",
    "source" : "https://rdap.arin.net/registry/autnum/32666"
  } ],
  "organization" : {
    "handle" : "CWRU",
    "name" : "Case Western Reserve University",
    "address" : [ "10900 Euclid Avenue", "Cleveland", "OH", "44106", "US" ],
    "street" : "Euclid Avenue",
    "city" : "Cleveland",
    "state" : "OH",
    "zip_code" : "44106",
    "country" : [ "US" ],
    "date_created" : "1988-03-03",
    "date_updated" : "2017-12-08",
    "source" : "https://rdap.arin.net/registry/entity/CWRU",
    "addressCountry" : "US"
  },
  "technical_contacts" : [ {
    "handle" : "DNA49-ARIN",
    "name" : "Andrews, Debra N.",
    "email" : [ "dnd@case.edu" ],
    "phone" : [ "+1-216-368-3165" ],
    "source" : "https://rdap.arin.net/registry/entity/DNA49-ARIN"
  }, {
    "handle" : "NOC32756-ARIN",
    "name" : "NOC",
    "email" : [ "nesg@case.edu" ],
    "phone" : [ "+1-216-368-4357" ],
    "source" : "https://rdap.arin.net/registry/entity/NOC32756-ARIN"
  } ],
  "abuse_contacts" : [ {
    "handle" : "ABUSE6716-ARIN",
    "name" : "Abuse",
    "email" : [ "abuse@case.edu" ],
    "phone" : [ "+1-216-368-4357" ],
    "source" : "https://rdap.arin.net/registry/entity/ABUSE6716-ARIN"
  } ]
}

Peers

AS Number	Description	Country
AS3112	OARnet	US
AS600	OARnet	US
AS10796	Charter Communications Inc	US

Upstreams

AS Number	Description	Country
AS3112	OARnet	US
AS600	OARnet	US
AS10796	Charter Communications Inc	US

Contacts

Email Contacts

dnd@case.edu

Abuse Contacts

abuse@case.edu