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	Prefix	Description
	66.162.56.0/24	Level 3 Parent, LLC
	74.117.32.0/24	Virtual Radiologic Corporation
	74.117.33.0/24	Virtual Radiologic Corporation
	74.117.34.0/24	Virtual Radiologic Corporation
	74.117.35.0/24	Virtual Radiologic Corporation
	204.16.164.0/24	Virtual Radiologic Corporation
	204.16.165.0/24	Virtual Radiologic Corporation
	204.16.166.0/24	Virtual Radiologic Corporation
	204.16.167.0/24	Virtual Radiologic Corporation
	207.250.202.0/24	Virtual Radiologic Consultants
	208.50.249.0/24	Level 3 Parent, LLC
	209.180.24.0/24	VIRTUAL RADIOLOGIC CORP

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Network Policy

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How are upstreams and downstreams calculated?

Upstreams

	ASN	Description	IPv4	IPv6
	AS3356	Lumen (Level 3)	✔	✘
	AS174	Cogent Communications, LLC	✔	✘
	AS46887	Crown Castle Fiber LLC	✔	✘
	AS13367	Comcast Cable Communications, LLC	✔	✘

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Peers

	ASN	Description	IPv4	IPv6
	AS3356	Lumen (Level 3)	✔	✘
	AS46887	Crown Castle Fiber LLC	✔	✘
	AS174	Cogent Communications, LLC	✔	✘
	AS13367	Comcast Cable Communications, LLC	✔	✘

ASHandle:       AS40154
OrgID:          VRC-18
ASName:         VRC-AS
ASNumber:       40154
RegDate:        2006-08-02
Updated:        2012-03-02
TechHandle:     PJW5-ARIN
Source:         ARIN



OrgID:          VRC-18
OrgName:        Virtual Radiologic Corporation
CanAllocate:    
Street:         5995 Opus Parkway
Street:         Suite 200
City:           Minnetonka
State/Prov:     MN
Country:        US
PostalCode:     55343
RegDate:        2006-06-13
Updated:        2024-05-07
OrgAdminHandle: PJW5-ARIN
OrgTechHandle:  PJW5-ARIN
OrgAbuseHandle: PJW5-ARIN
Source:         ARIN





OrgAdminHandle:       PJW5-ARIN
OrgAdminName:         Patrick Williamson
# Email removed, Log into bgp.tools to see whois emails


OrgTechHandle:        PJW5-ARIN
OrgTechName:          Patrick Williamson
# Email removed, Log into bgp.tools to see whois emails


OrgAbuseHandle:       PJW5-ARIN
OrgAbuseName:         Patrick Williamson
# Email removed, Log into bgp.tools to see whois emails


TechHandle:           PJW5-ARIN
TechName:             Patrick Williamson
# Email removed, Log into bgp.tools to see whois emails

Last Update: 2025-12-24T03:25:27Z UTC

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Member of the following AS-SETs

-	Member	ASN Count
RADB	as-ccf-test	1461
RADB	as-comcast-edia	2752
LEVEL3	as-lumen-customers-asns	10695
RIPE	as-gblx	964
LEVEL3	as-as209-cust	1818
RADB	as-ccf	1492