ASN AS33391 is an Autonomous System Number used to identify a network for BGP internet routing.

Who manages ASN AS33391?

AS33391 is listed under SECURITY FINANCE CORPORATION OF SPARTANBURG.

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.

AS33391 SECURITY FINANCE CORPORATION OF SPARTANBURG

ASN Lookup Tool

SECURITY FINANCE CORPORATION OF SPARTANBURG security-finance.com

US 3 Routes

AS Data

AS33391

AS33391 – SECURITY FINANCE CORPORATION OF SPARTANBURG

AS Number	33391
AS Name	SECURITY-FINANCE
Organization	SECURITY FINANCE CORPORATION OF SPARTANBURG(sfcs-1)
Country	US
Website	security-finance.com
Number of IPv4 Routes	3
Number of IPv6 Routes	0
ASN type	BUSINESS
Registry	ARIN
Date Allocated	2004-12-08

ASN Intelligence API for production workflows

Use ASN data for AS33391 in automation: routing intelligence, peering analysis, ownership checks, and network observability.

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IP Ranges

Route	Origin	Origin Name	ISP	# IPs
74.113.18.0/24	AS33391	SECURITY FINANCE CORPORATION OF SPARTANBURG	SECURITY FINANCE CORPORATION OF SPARTANBURG	256
74.113.17.0/24	AS33391	SECURITY FINANCE CORPORATION OF SPARTANBURG	SECURITY FINANCE CORPORATION OF SPARTANBURG	256
74.113.16.0/24	AS33391	SECURITY FINANCE CORPORATION OF SPARTANBURG	SECURITY FINANCE CORPORATION OF SPARTANBURG	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:       33391
ASName:         SECURITY-FINANCE
ASHandle:       AS33391
RegDate:        2004-12-08
Updated:        2012-03-02    
Ref:            https://rdap.arin.net/registry/autnum/33391


OrgName:        SECURITY FINANCE CORPORATION OF SPARTANBURG
OrgId:          SFCS-1
Address:        181 Security Place
City:           Spartanburg
StateProv:      SC
PostalCode:     29307
Country:        US
RegDate:        2004-07-29
Updated:        2024-10-23
Ref:            https://rdap.arin.net/registry/entity/SFCS-1


OrgAbuseHandle: JPS79-ARIN
OrgAbuseName:   Spencer, James Philip
OrgAbusePhone:  +1-864-237-6172 
OrgAbuseEmail:  philip.spencer@security-finance.com
OrgAbuseRef:    https://rdap.arin.net/registry/entity/JPS79-ARIN

OrgTechHandle: HUGGI38-ARIN
OrgTechName:   Huggin, TJ 
OrgTechPhone:  +1-864-237-6193 
OrgTechEmail:  TJ.Huggin@security-finance.com
OrgTechRef:    https://rdap.arin.net/registry/entity/HUGGI38-ARIN

OrgTechHandle: GILLI269-ARIN
OrgTechName:   Gilliam, Craig 
OrgTechPhone:  +1-864-237-6289 
OrgTechEmail:  craig.gilliam@security-finance.com
OrgTechRef:    https://rdap.arin.net/registry/entity/GILLI269-ARIN

OrgTechHandle: JPS79-ARIN
OrgTechName:   Spencer, James Philip
OrgTechPhone:  +1-864-237-6172 
OrgTechEmail:  philip.spencer@security-finance.com
OrgTechRef:    https://rdap.arin.net/registry/entity/JPS79-ARIN

OrgTechHandle: MILLE3224-ARIN
OrgTechName:   Miller, JR 
OrgTechPhone:  +1-864-237-6364 
OrgTechEmail:  jr.miller@security-finance.com
OrgTechRef:    https://rdap.arin.net/registry/entity/MILLE3224-ARIN

OrgTechHandle: ROSEN430-ARIN
OrgTechName:   Rosener, David  
OrgTechPhone:  +1-864-237-6270 
OrgTechEmail:  David.Rosener@security-finance.com
OrgTechRef:    https://rdap.arin.net/registry/entity/ROSEN430-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
AS15085	Immedion, LLC	US
AS20115	Charter Communications LLC	US
AS7018	AT&T Enterprises, LLC	US

Upstreams

AS Number	Description	Country
AS15085	Immedion, LLC	US
AS20115	Charter Communications LLC	US
AS7018	AT&T Enterprises, LLC	US