ASN AS53975 is an Autonomous System Number used to identify a network for BGP internet routing.

Who manages ASN AS53975?

AS53975 is listed under WESTERN ASSET MANAGEMENT COMPANY.

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.

AS53975 WESTERN ASSET MANAGEMENT COMPANY

ASN Lookup Tool

WESTERN ASSET MANAGEMENT COMPANY westernasset.com

US 7 Routes

AS Data

AS53975

AS53975 – WESTERN ASSET MANAGEMENT COMPANY

AS Number	53975
AS Name	WAM
Organization	WESTERN ASSET MANAGEMENT COMPANY(wam-25)
Country	US
Website	westernasset.com
Number of IPv4 Routes	7
Number of IPv6 Routes	0
ASN type	BUSINESS
Registry	ARIN
Date Allocated	2011-08-22

ASN Intelligence API for production workflows

Use ASN data for AS53975 in automation: routing intelligence, peering analysis, ownership checks, and network observability.

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IP Ranges

Route	Origin	Origin Name	ISP	# IPs
199.192.131.0/24	AS53975	WESTERN ASSET MANAGEMENT COMPANY	WESTERN ASSET MANAGEMENT COMPANY	256
199.192.132.0/24	AS53975	WESTERN ASSET MANAGEMENT COMPANY	WESTERN ASSET MANAGEMENT COMPANY	256
199.192.135.0/24	AS53975	WESTERN ASSET MANAGEMENT COMPANY	WESTERN ASSET MANAGEMENT COMPANY	256
199.192.134.0/24	AS53975	WESTERN ASSET MANAGEMENT COMPANY	WESTERN ASSET MANAGEMENT COMPANY	256
199.192.133.0/24	AS53975	WESTERN ASSET MANAGEMENT COMPANY	WESTERN ASSET MANAGEMENT COMPANY	256
199.192.128.0/24	AS53975	WESTERN ASSET MANAGEMENT COMPANY	WESTERN ASSET MANAGEMENT COMPANY	256
199.192.129.0/24	AS53975	WESTERN ASSET MANAGEMENT COMPANY	WESTERN ASSET MANAGEMENT COMPANY	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:       53975
ASName:         WAM
ASHandle:       AS53975
RegDate:        2011-08-22
Updated:        2012-03-20
Comment:        www.westernasset.com    
Ref:            https://rdap.arin.net/registry/autnum/53975


OrgName:        WESTERN ASSET MANAGEMENT COMPANY
OrgId:          WAM-25
Address:        385 E Colorado Blvd # 250
City:           Pasadena
StateProv:      CA
PostalCode:     91101
Country:        US
RegDate:        2011-07-19
Updated:        2011-07-19
Ref:            https://rdap.arin.net/registry/entity/WAM-25


OrgAbuseHandle: NOC12126-ARIN
OrgAbuseName:   Network Operations Center
OrgAbusePhone:  +1-626-844-4042 
OrgAbuseEmail:  noc@Westernasset.com
OrgAbuseRef:    https://rdap.arin.net/registry/entity/NOC12126-ARIN

OrgNOCHandle: NOC12126-ARIN
OrgNOCName:   Network Operations Center
OrgNOCPhone:  +1-626-844-4042 
OrgNOCEmail:  noc@Westernasset.com
OrgNOCRef:    https://rdap.arin.net/registry/entity/NOC12126-ARIN

OrgTechHandle: NOC12126-ARIN
OrgTechName:   Network Operations Center
OrgTechPhone:  +1-626-844-4042 
OrgTechEmail:  noc@Westernasset.com
OrgTechRef:    https://rdap.arin.net/registry/entity/NOC12126-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
AS3356	Level 3 Parent, LLC	US
AS6461	Zayo Bandwidth	US

Upstreams

AS Number	Description	Country
AS3356	Level 3 Parent, LLC	US
AS6461	Zayo Bandwidth	US