ASN AS19941 is an Autonomous System Number used to identify a network for BGP internet routing.

Who manages ASN AS19941?

AS19941 is listed under Concordia University Chicago.

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.

AS19941 Concordia University Chicago

ASN Lookup Tool

Concordia University Chicago cuchicago.edu

US 1 Routes

AS Data

AS19941

AS19941 – Concordia University Chicago

AS Number	19941
AS Name	CONCORDIA-UNIVERSITY-CHICAGO
Organization	Concordia University Chicago(conco-85)
Country	US
Website	cuchicago.edu
Number of IPv4 Routes	1
Number of IPv6 Routes	0
ASN type	EDUCATION
Registry	ARIN
Date Allocated	2010-05-10

ASN Intelligence API for production workflows

Use ASN data for AS19941 in automation: routing intelligence, peering analysis, ownership checks, and network observability.

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IP Ranges

Route	Origin	Origin Name	ISP	# IPs
66.99.8.0/22	AS19941	Concordia University Chicago	Illinois Century Network	1024

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:       19941
ASName:         CONCORDIA-UNIVERSITY-CHICAGO
ASHandle:       AS19941
RegDate:        2010-05-10
Updated:        2012-03-02    
Ref:            https://rdap.arin.net/registry/autnum/19941


OrgName:        Concordia University Chicago
OrgId:          CONCO-85
Address:        7400 Augusta St
City:           River Forest
StateProv:      IL
PostalCode:     60305
Country:        US
RegDate:        2010-04-01
Updated:        2018-04-03
Ref:            https://rdap.arin.net/registry/entity/CONCO-85


OrgAbuseHandle: IRONS1-ARIN
OrgAbuseName:   Irons, Joe 
OrgAbusePhone:  +1-708-209-3015 
OrgAbuseEmail:  joe.irons@cuchicago.edu
OrgAbuseRef:    https://rdap.arin.net/registry/entity/IRONS1-ARIN

OrgTechHandle: IRONS1-ARIN
OrgTechName:   Irons, Joe 
OrgTechPhone:  +1-708-209-3015 
OrgTechEmail:  joe.irons@cuchicago.edu
OrgTechRef:    https://rdap.arin.net/registry/entity/IRONS1-ARIN

OrgNOCHandle: NOC11412-ARIN
OrgNOCName:   Network Operations Center
OrgNOCPhone:  +1-708-488-4138 
OrgNOCEmail:  cnet.noc@cuchicago.edu
OrgNOCRef:    https://rdap.arin.net/registry/entity/NOC11412-ARIN

RTechHandle: TWI114-ARIN
RTechName:   Wier, Tim 
RTechPhone:  +1-708-209-3565 
RTechEmail:  tim.wier@cuchicago.edu
RTechRef:    https://rdap.arin.net/registry/entity/TWI114-ARIN

RNOCHandle: NOC11412-ARIN
RNOCName:   Network Operations Center
RNOCPhone:  +1-708-488-4138 
RNOCEmail:  cnet.noc@cuchicago.edu
RNOCRef:    https://rdap.arin.net/registry/entity/NOC11412-ARIN

RAbuseHandle: TWI114-ARIN
RAbuseName:   Wier, Tim 
RAbusePhone:  +1-708-209-3565 
RAbuseEmail:  tim.wier@cuchicago.edu
RAbuseRef:    https://rdap.arin.net/registry/entity/TWI114-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

Peers

AS Number	Description	Country
AS33491	Comcast Cable Communications, LLC	US

Upstreams

AS Number	Description	Country
AS33491	Comcast Cable Communications, LLC	US