AS104 University of Colorado at Boulder

AS104 Summary

Regional Registry:

ARIN

Allocation Status:

Assigned

Allocation Date:

9^th April 1987

Allocated Country:

Traffic Ratio:

Not Disclosed

AS104 Network

Contacts

• IPv4 Prefixes
• IPv6 Prefixes

Country	Announced Prefix	Description	Valid ROA	Parent Prefix	RIR
	128.138.0.0/16	University of Colorado		128.138.0.0/16	ARIN
	146.5.20.0/22	National Solar Observatory		146.5.0.0/16	ARIN
	192.12.238.0/24	University of Colorado		192.12.238.0/24	ARIN
	192.12.240.0/24	University of Colorado		192.12.240.0/24	ARIN
	192.12.241.0/24	University of Colorado		192.12.241.0/24	ARIN
	192.12.242.0/24	University of Colorado		192.12.242.0/24	ARIN
	192.12.244.0/24	University of Colorado		192.12.244.0/24	ARIN
	192.12.245.0/24	University of Colorado		192.12.245.0/24	ARIN
	198.11.16.0/20	University of Colorado Boulder		198.11.16.0/20	ARIN
	198.59.7.0/24	University of Colorado Boulder		198.59.7.0/24	ARIN
	198.59.51.0/24	University of Colorado Boulder		198.59.51.0/24	ARIN
	198.59.52.0/24	University of Colorado Boulder		198.59.52.0/24	ARIN
	198.59.54.0/24	University of Colorado Boulder		198.59.54.0/23	ARIN
	198.59.55.0/24	University of Colorado Boulder		198.59.54.0/23	ARIN
	198.59.70.0/24	University of Colorado Boulder		198.59.70.0/24	ARIN
	198.59.81.0/24	University of Colorado Boulder		198.59.81.0/24	ARIN
	198.59.82.0/24	University of Colorado Boulder		196.128.0.0/11	AfriNIC
	198.59.83.0/24	University of Colorado Boulder		198.59.82.0/23	ARIN
	204.228.80.0/24	University of Colorado Boulder		204.228.80.0/24	ARIN

Country	Announced Prefix	Description	Valid ROA	Parent Prefix	RIR
	2001:468:501::/48	University Corporation for Atmospheric Research		2001:468::/32	ARIN
	2620:18f::/32	University of Colorado Boulder		2620:18f::/32	ARIN

• IPv4 Peers
• IPv6 Peers

Country	ASN	Name	Description	IPv6
	AS209	CENTURYLINK-US-LEGACY-QWEST	CenturyLink Communications, LLC
	AS14041	AS14041	University Corporation for Atmospheric Research

Country	ASN	Name	Description	IPv4
	AS14041	AS14041	University Corporation for Atmospheric Research

• IPv4 Upstreams
• IPv6 Upstreams

Country	ASN	Name	Description	IPv6
	AS14041	AS14041	University Corporation for Atmospheric Research
	AS209	CENTURYLINK-US-LEGACY-QWEST	CenturyLink Communications, LLC

IPv4 Upstream Graph

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IPv4 Upstream Graph

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Country	ASN	Name	Description	IPv4
	AS14041	AS14041	University Corporation for Atmospheric Research

IPv6 Upstream Graph

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IPv6 Upstream Graph

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#
# 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 1997-2024, American Registry for Internet Numbers, Ltd.
#


ASNumber:       104
ASName:         COLORADO-AS
ASHandle:       AS104
RegDate:        1987-04-09
Updated:        2019-06-25    
Ref:            https://rdap.arin.net/registry/autnum/104


OrgName:        University of Colorado at Boulder
OrgId:          UCAB-2
Address:        Campus Box 455
City:           Boulder
StateProv:      CO
PostalCode:     80309-0455
Country:        US
RegDate:        1987-04-09
Updated:        2019-06-25
Ref:            https://rdap.arin.net/registry/entity/UCAB-2


OrgAbuseHandle: ABUSE306-ARIN
OrgAbuseName:   Abuse
OrgAbusePhone:  +1-303-735-4357 
OrgAbuseEmail:  [email protected]
OrgAbuseRef:    https://rdap.arin.net/registry/entity/ABUSE306-ARIN

OrgTechHandle: CUBOU-ARIN
OrgTechName:   CUBoulder
OrgTechPhone:  +1-303-735-4357 
OrgTechEmail:  [email protected]
OrgTechRef:    https://rdap.arin.net/registry/entity/CUBOU-ARIN

RAbuseHandle: ABUSE306-ARIN
RAbuseName:   Abuse
RAbusePhone:  +1-303-735-4357 
RAbuseEmail:  [email protected]
RAbuseRef:    https://rdap.arin.net/registry/entity/ABUSE306-ARIN

RTechHandle: CUBOU-ARIN
RTechName:   CUBoulder
RTechPhone:  +1-303-735-4357 
RTechEmail:  [email protected]
RTechRef:    https://rdap.arin.net/registry/entity/CUBOU-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 1997-2024, American Registry for Internet Numbers, Ltd.
#