ASN AS20395 is an Autonomous System Number used to identify a network for BGP internet routing.

Who manages ASN AS20395?

AS20395 is listed under Med Fusion, LLC.

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.

AS20395 Med Fusion, LLC | IPGeolocation.io

ASN Lookup Tool

Med Fusion, LLC questdiagnostics.com

US 1 Routes

AS Data

AS20395

AS20395 – Med Fusion, LLC

AS Number	20395
AS Name	MEDFUSION-LEWISVILLE
Organization	Med Fusion, LLC(mfl-16)
Country	US
Website	questdiagnostics.com
Number of IPv4 Routes	1
Number of IPv6 Routes	0
ASN type	BUSINESS
Registry	ARIN
Date Allocated	2011-06-20

ASN Intelligence API for production workflows

Use ASN data for AS20395 in automation: routing intelligence, peering analysis, ownership checks, and network observability.

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IP Ranges

Route	Origin	Origin Name	ISP	# IPs
192.40.55.0/24	AS20395	Med Fusion, LLC	Med Fusion, LLC	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:       20395
ASName:         MEDFUSION-LEWISVILLE
ASHandle:       AS20395
RegDate:        2011-06-20
Updated:        2012-03-20    
Ref:            https://rdap.arin.net/registry/autnum/20395


OrgName:        Med Fusion, LLC
OrgId:          MFL-16
Address:        2501 South State Hwy 121, Suite 1100
City:           Lewisville
StateProv:      TX
PostalCode:     75067
Country:        US
RegDate:        2011-06-06
Updated:        2013-08-12
Ref:            https://rdap.arin.net/registry/entity/MFL-16


OrgNOCHandle: MII2-ARIN
OrgNOCName:   Manager IT Infrastructure
OrgNOCPhone:  +1-877-537-8378 
OrgNOCEmail:  inf-tech@questdiagnostics.com
OrgNOCRef:    https://rdap.arin.net/registry/entity/MII2-ARIN

OrgTechHandle: NETWO6222-ARIN
OrgTechName:   Network Engineer
OrgTechPhone:  +1-877-537-8378 
OrgTechEmail:  inf-tech@questdiagnostics.com
OrgTechRef:    https://rdap.arin.net/registry/entity/NETWO6222-ARIN

OrgNOCHandle: NETWO6222-ARIN
OrgNOCName:   Network Engineer
OrgNOCPhone:  +1-877-537-8378 
OrgNOCEmail:  inf-tech@questdiagnostics.com
OrgNOCRef:    https://rdap.arin.net/registry/entity/NETWO6222-ARIN

OrgAbuseHandle: MII2-ARIN
OrgAbuseName:   Manager IT Infrastructure
OrgAbusePhone:  +1-877-537-8378 
OrgAbuseEmail:  inf-tech@questdiagnostics.com
OrgAbuseRef:    https://rdap.arin.net/registry/entity/MII2-ARIN

OrgTechHandle: MII2-ARIN
OrgTechName:   Manager IT Infrastructure
OrgTechPhone:  +1-877-537-8378 
OrgTechEmail:  inf-tech@questdiagnostics.com
OrgTechRef:    https://rdap.arin.net/registry/entity/MII2-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
AS3549	Level 3 Communications, Inc. (GBLX)	US
AS3549	Level 3 Parent, LLC	US
AS6461	Zayo Bandwidth	US

Upstreams

AS Number	Description	Country
AS3549	Level 3 Parent, LLC	US
AS6461	Zayo Bandwidth	US