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AS402260 University of Colorado Medicine

Q: Why is WHOIS data shown for an ASN?

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

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University of Colorado Medicine cumedicine.us

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AS Data

AS402260

AS402260 – University of Colorado Medicine

AS Number	402260
AS Name	DR-ASN01
Organization	University of Colorado Medicine(up-276)
Country	US
Website	cumedicine.us
Number of IPv4 Routes	0
Number of IPv6 Routes	0
ASN type	BUSINESS
Registry	ARIN
Date Allocated	2026-03-06

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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:       402260
ASName:         DR-ASN01
ASHandle:       AS402260
RegDate:        2026-03-06
Updated:        2026-03-06    
Ref:            https://rdap.arin.net/registry/autnum/402260


OrgName:        University of Colorado Medicine
OrgId:          UP-276
Address:        PO Box 110247
City:           Aurora
StateProv:      CO
PostalCode:     80045
Country:        US
RegDate:        2025-12-02
Updated:        2026-02-17
Ref:            https://rdap.arin.net/registry/entity/UP-276


OrgAbuseHandle: IT397-ARIN
OrgAbuseName:   IT
OrgAbusePhone:  +1-303-493-7000 
OrgAbuseEmail:  its.technicalsupport@cumedicine.us
OrgAbuseRef:    https://rdap.arin.net/registry/entity/IT397-ARIN

OrgTechHandle: IT397-ARIN
OrgTechName:   IT
OrgTechPhone:  +1-303-493-7000 
OrgTechEmail:  its.technicalsupport@cumedicine.us
OrgTechRef:    https://rdap.arin.net/registry/entity/IT397-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

Frequently Asked Questions

What is ASN AS402260?

ASN AS402260 is an Autonomous System Number used to identify a network for BGP internet routing.

Who manages ASN AS402260?

AS402260 is listed under University of Colorado 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.