ASN AS11501 is an Autonomous System Number used to identify a network for BGP internet routing.

Who manages ASN AS11501?

AS11501 is listed under Vista Radiology, P.C..

What do peers, upstreams, and downstreams mean in ASN data?

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 shown for an ASN?

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

How can I access the full ASN tables?

The page shows a preview of large ASN datasets. Use the page controls to load more rows, and upgrade to a paid plan for complete access.

AS11501 Vista Radiology, P.C.

ASN Lookup Tool

Vista Radiology, P.C. vistaradiology.com

US 3 Routes

AS Data

AS11501

AS11501 – Vista Radiology, P.C.

AS Number	11501
AS Name	VISTAASN
Organization	Vista Radiology, P.C.(vrp-2)
Country	US
Website	vistaradiology.com
Number of IPv4 Routes	3
Number of IPv6 Routes	0
ASN type	BUSINESS
Registry	ARIN
Date Allocated	2007-03-06

ASN Intelligence API for production workflows

Use ASN data for AS11501 in automation: routing intelligence, peering analysis, ownership checks, and network observability.

Access complete peers, upstreams, downstreams, routes, WHOIS, and contact intelligence via our API. Learn more

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IP Ranges

Route	Origin	Origin Name	ISP	# IPs
198.205.6.0/23	AS11501	Vista Radiology, P.C.	Vista Radiology, P.C.	512
198.205.7.0/24	AS11501	Vista Radiology, P.C.	Vista Radiology, P.C.	256
198.205.6.0/24	AS11501	Vista Radiology, P.C.	Vista Radiology, P.C.	256

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:       11501
ASName:         VISTAASN
ASHandle:       AS11501
RegDate:        2007-03-06
Updated:        2012-03-02    
Ref:            https://rdap.arin.net/registry/autnum/11501


OrgName:        Vista Radiology, P.C.
OrgId:          VRP-2
Address:        2001 Laurel Ave
Address:        Suite 304
City:           Knoxville
StateProv:      TN
PostalCode:     37916
Country:        US
RegDate:        2007-02-13
Updated:        2026-02-19
Ref:            https://rdap.arin.net/registry/entity/VRP-2


OrgTechHandle: VRPCI-ARIN
OrgTechName:   VRPC IT
OrgTechPhone:  +1-865-595-4100 
OrgTechEmail:  dsliger@vistaradiology.com
OrgTechRef:    https://rdap.arin.net/registry/entity/VRPCI-ARIN

OrgTechHandle: BLACK1042-ARIN
OrgTechName:   Blackford, Mark 
OrgTechPhone:  +1-678-230-8769 
OrgTechEmail:  mblackford@agn.tech
OrgTechRef:    https://rdap.arin.net/registry/entity/BLACK1042-ARIN

OrgAbuseHandle: VRPCI-ARIN
OrgAbuseName:   VRPC IT
OrgAbusePhone:  +1-865-595-4100 
OrgAbuseEmail:  dsliger@vistaradiology.com
OrgAbuseRef:    https://rdap.arin.net/registry/entity/VRPCI-ARIN

RTechHandle: VRPCI-ARIN
RTechName:   VRPC IT
RTechPhone:  +1-865-595-4100 
RTechEmail:  dsliger@vistaradiology.com
RTechRef:    https://rdap.arin.net/registry/entity/VRPCI-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
AS12083	WideOpenWest Finance LLC	US
AS1239	Cogent Communications, LLC	US
AS174	Cogent Communications, LLC	US

Upstreams

AS Number	Description	Country
AS12083	WideOpenWest Finance LLC	US
AS174	Cogent Communications, LLC	US