ASN AS46378 is an Autonomous System Number used to identify a network for BGP internet routing.

Who manages ASN AS46378?

AS46378 is listed under FSX HOLDINGS, 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?

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AS46378 FSX HOLDINGS, LLC | IPGeolocation.io

ASN Lookup Tool

FSX HOLDINGS, LLC fsx.com

US 24 Routes

AS Data

AS46378

AS46378 – FSX HOLDINGS, LLC

AS Number	46378
AS Name	FSX-350
Organization	FSX HOLDINGS, LLC(fhl-23)
Country	US
Website	fsx.com
Number of IPv4 Routes	22
Number of IPv6 Routes	2
ASN type	BUSINESS
Registry	ARIN
Date Allocated	2014-06-02

ASN Intelligence API for production workflows

Use ASN data for AS46378 in automation: routing intelligence, peering analysis, ownership checks, and network observability.

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IP Ranges

Route	Origin	Origin Name	ISP	# IPs
195.167.162.0/23	AS46378	FSX HOLDINGS, LLC	FSX HOLDINGS, LLC	512
2602:ffa7:800::/37	AS46378	FSX HOLDINGS, LLC	FSX HOLDINGS, LLC	~2×10²⁷
195.167.171.0/24	AS46378	FSX HOLDINGS, LLC	FSX HOLDINGS, LLC	256
195.167.173.0/24	AS46378	FSX HOLDINGS, LLC	FSX HOLDINGS, LLC	256
195.167.175.0/24	AS46378	FSX HOLDINGS, LLC	FSX HOLDINGS, LLC	256
195.167.168.0/24	AS46378	FSX HOLDINGS, LLC	FSX HOLDINGS, LLC	256
195.167.170.0/24	AS46378	FSX HOLDINGS, LLC	FSX HOLDINGS, LLC	256
170.62.64.0/24	AS46378	FSX HOLDINGS, LLC	FSX HOLDINGS, LLC	256
185.148.33.0/24	AS46378	FSX HOLDINGS, LLC	FSX HOLDINGS, LLC	256
8.10.14.0/23	AS46378	FSX HOLDINGS, LLC	FSX HOLDINGS, LLC	512

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:       46378
ASName:         FSX-350
ASHandle:       AS46378
RegDate:        2014-06-02
Updated:        2014-06-02
Comment:        http://www.fsx.com
Comment:        Standard NOC hours are 7am to 11pm EST    
Ref:            https://rdap.arin.net/registry/autnum/46378


OrgName:        FSX HOLDINGS, LLC
OrgId:          FHL-23
Address:        102 NE 2nd Street #386
City:           Boca Raton
StateProv:      FL
PostalCode:     33432
Country:        US
RegDate:        2013-12-09
Updated:        2025-11-21
Ref:            https://rdap.arin.net/registry/entity/FHL-23


OrgTechHandle: TECH830-ARIN
OrgTechName:   Tech
OrgTechPhone:  +1-954-857-0040 
OrgTechEmail:  it@fsx.com
OrgTechRef:    https://rdap.arin.net/registry/entity/TECH830-ARIN

OrgAbuseHandle: ABUSE4029-ARIN
OrgAbuseName:   Abuse
OrgAbusePhone:  +1-954-857-0000 
OrgAbuseEmail:  abuse@fsx.com
OrgAbuseRef:    https://rdap.arin.net/registry/entity/ABUSE4029-ARIN

OrgNOCHandle: NOC17261-ARIN
OrgNOCName:   Noc
OrgNOCPhone:  +1-954-857-0040 
OrgNOCEmail:  noc@fsx.com
OrgNOCRef:    https://rdap.arin.net/registry/entity/NOC17261-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
AS3356	Level 3 Parent, LLC	US
AS6461	Zayo Bandwidth	US
AS174	Cogent Communications, LLC	US
AS4213	Krypt Technologies	US