ASN AS18524 is an Autonomous System Number used to identify a network for BGP internet routing.

Who manages ASN AS18524?

AS18524 is listed under SOUTHEASTERN ASSET MANAGEMENT, INC..

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.

AS18524 SOUTHEASTERN ASSET MANAGEMENT, INC.

ASN Lookup Tool

SOUTHEASTERN ASSET MANAGEMENT, INC. seasset.com

US 1 Routes

AS Data

AS18524

AS18524 – SOUTHEASTERN ASSET MANAGEMENT, INC.

AS Number	18524
AS Name	SAM-MEMPHIS
Organization	SOUTHEASTERN ASSET MANAGEMENT, INC.(sam-38)
Country	US
Website	seasset.com
Number of IPv4 Routes	1
Number of IPv6 Routes	0
ASN type	BUSINESS
Registry	ARIN
Date Allocated	2008-12-11

ASN Intelligence API for production workflows

Use ASN data for AS18524 in automation: routing intelligence, peering analysis, ownership checks, and network observability.

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IP Ranges

Route	Origin	Origin Name	ISP	# IPs
66.192.224.0/24	AS18524	SOUTHEASTERN ASSET MANAGEMENT, INC.	Southeastern Asset Managment	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:       18524
ASName:         SAM-MEMPHIS
ASHandle:       AS18524
RegDate:        2008-12-11
Updated:        2012-03-02    
Ref:            https://rdap.arin.net/registry/autnum/18524


OrgName:        SOUTHEASTERN ASSET MANAGEMENT, INC.
OrgId:          SAM-38
Address:        5100 POPLAR AVE
Address:        SUITE 2450
City:           MEMPHIS
StateProv:      TN
PostalCode:     38137
Country:        US
RegDate:        2005-03-29
Updated:        2024-12-04
Ref:            https://rdap.arin.net/registry/entity/SAM-38


OrgTechHandle: NETWO2788-ARIN
OrgTechName:   Network Operations
OrgTechPhone:  +1-901-761-2474 
OrgTechEmail:  itinfrastructure@seasset.com
OrgTechRef:    https://rdap.arin.net/registry/entity/NETWO2788-ARIN

OrgNOCHandle: NETWO2788-ARIN
OrgNOCName:   Network Operations
OrgNOCPhone:  +1-901-761-2474 
OrgNOCEmail:  itinfrastructure@seasset.com
OrgNOCRef:    https://rdap.arin.net/registry/entity/NETWO2788-ARIN

OrgAbuseHandle: NETWO2788-ARIN
OrgAbuseName:   Network Operations
OrgAbusePhone:  +1-901-761-2474 
OrgAbuseEmail:  itinfrastructure@seasset.com
OrgAbuseRef:    https://rdap.arin.net/registry/entity/NETWO2788-ARIN

RNOCHandle: NETWO2788-ARIN
RNOCName:   Network Operations
RNOCPhone:  +1-901-761-2474 
RNOCEmail:  itinfrastructure@seasset.com
RNOCRef:    https://rdap.arin.net/registry/entity/NETWO2788-ARIN

RAbuseHandle: NETWO2788-ARIN
RAbuseName:   Network Operations
RAbusePhone:  +1-901-761-2474 
RAbuseEmail:  itinfrastructure@seasset.com
RAbuseRef:    https://rdap.arin.net/registry/entity/NETWO2788-ARIN

RTechHandle: NETWO2788-ARIN
RTechName:   Network Operations
RTechPhone:  +1-901-761-2474 
RTechEmail:  itinfrastructure@seasset.com
RTechRef:    https://rdap.arin.net/registry/entity/NETWO2788-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
AS7018	AT&T Enterprises, LLC	US
AS3549	Level 3 Communications, Inc. (GBLX)	US
AS3356	Level 3 Parent, LLC	US

Upstreams

AS Number	Description	Country
AS7018	AT&T Enterprises, LLC	US
AS3356	Level 3 Parent, LLC	US