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AS36691 Colorado State University

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

Colorado State University colostate.edu

US 1 Routes

AS Data

AS36691

AS36691 – Colorado State University

AS Number	36691
AS Name	CSUP-AS
Organization	Colorado State University(csu-2)
Country	US
Website	colostate.edu
Number of IPv4 Routes	1
Number of IPv6 Routes	0
ASN type	EDUCATION
Registry	ARIN
Date Allocated	2006-03-17

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IP Ranges

Route	Origin	Origin Name	ISP	# IPs
158.142.0.0/16	AS36691	Colorado State University	Colorado State University	65536

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:       36691
ASName:         CSUP-AS
ASHandle:       AS36691
RegDate:        2006-03-17
Updated:        2024-02-14    
Ref:            https://rdap.arin.net/registry/autnum/36691


OrgName:        Colorado State University
OrgId:          CSU-2
Address:        Academic Computing and Networking Services
Address:        Colorado State University
Address:        1018 Campus Delivery
City:           Fort Collins
StateProv:      CO
PostalCode:     80523
Country:        US
RegDate:        
Updated:        2024-11-25
Ref:            https://rdap.arin.net/registry/entity/CSU-2


OrgAbuseHandle: DNSAD191-ARIN
OrgAbuseName:   DNS Administrator
OrgAbusePhone:  +1-970-491-1958 
OrgAbuseEmail:  dns.admin@colostate.edu
OrgAbuseRef:    https://rdap.arin.net/registry/entity/DNSAD191-ARIN

OrgTechHandle: DNSAD191-ARIN
OrgTechName:   DNS Administrator
OrgTechPhone:  +1-970-491-1958 
OrgTechEmail:  dns.admin@colostate.edu
OrgTechRef:    https://rdap.arin.net/registry/entity/DNSAD191-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
AS14041	University Corporation for Atmospheric Research	US

Upstreams

AS Number	Description	Country
AS14041	University Corporation for Atmospheric Research	US

Frequently Asked Questions

What is ASN AS36691?

ASN AS36691 is an Autonomous System Number used to identify a network for BGP internet routing.

Who manages ASN AS36691?

AS36691 is listed under Colorado State University.

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.