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	Prefix	Description
	137.152.0.0/19	Grand Canyon University
	137.152.1.0/24	Grand Canyon University
	137.152.6.0/24	Grand Canyon University
	137.152.15.0/24	Grand Canyon University
	137.152.16.0/20	Grand Canyon University
	137.152.32.0/20	Grand Canyon University
	137.152.38.0/24	Grand Canyon University
	137.152.64.0/18	Grand Canyon University
	137.152.128.0/18	Grand Canyon University
	137.152.184.0/22	Grand Canyon University
	137.152.192.0/19	Grand Canyon University

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Network Policy

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How are upstreams and downstreams calculated?

Upstreams

	ASN	Description	IPv4	IPv6
	AS209	Lumen (ex. Qwest)	✔	✘
	AS22773	Cox Communications Inc.	✔	✘

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Peers

	ASN	Description	IPv4	IPv6
	AS209	Lumen (ex. Qwest)	✔	✘
	AS22773	Cox Communications Inc.	✔	✘

ASHandle:       AS13485
OrgID:          GCU
ASName:         GCU
ASNumber:       13485
RegDate:        2009-10-27
Comment:        MLA133-ARIN
Updated:        2011-12-07
Source:         ARIN



OrgID:          GCU
OrgName:        Grand Canyon University
CanAllocate:    
Street:         3300 W Camelback RD
City:           Phoenix
State/Prov:     AZ
Country:        US
PostalCode:     85017
RegDate:        1989-12-06
Updated:        2025-10-02
OrgAdminHandle: BROWN2976-ARIN
OrgTechHandle:  ITSEC14-ARIN
OrgTechHandle:  SWANS321-ARIN
OrgAbuseHandle: ITSEC14-ARIN
Source:         ARIN





OrgAdminHandle:       BROWN2976-ARIN
OrgAdminName:         Ed Brown
# Email removed, Log into bgp.tools to see whois emails


OrgTechHandle:        ITSEC14-ARIN
OrgTechName:           IT Security
# Email removed, Log into bgp.tools to see whois emails


OrgTechHandle:        SWANS321-ARIN
OrgTechName:          Niclas Swanson
# Email removed, Log into bgp.tools to see whois emails


OrgAbuseHandle:       ITSEC14-ARIN
OrgAbuseName:          IT Security
# Email removed, Log into bgp.tools to see whois emails

Last Update: 2025-12-26T03:37:18Z UTC

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Member of the following AS-SETs

-	Member	ASN Count
RADB	as-cox-southwest	219
LEVEL3	as-as209-cust	1818
ARIN	as-xo-b	58187
LEVEL3	as-lumen-customers-asns	10695