ASN AS20373 is an Autonomous System Number used to identify a network for BGP internet routing.

Who manages ASN AS20373?

AS20373 is listed under Marley Index, 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.

AS20373 Marley Index, LLC | IPGeolocation.io

ASN Lookup Tool

Marley Index, LLC dmn.io

US 5 Routes

AS Data

AS20373

AS20373 – Marley Index, LLC

AS Number	20373
AS Name	MARLEYINDEX-US
Organization	Marley Index, LLC(mil-173)
Country	US
Website	dmn.io
Number of IPv4 Routes	2
Number of IPv6 Routes	3
ASN type	BUSINESS
Registry	ARIN
Date Allocated	2024-03-19

ASN Intelligence API for production workflows

Use ASN data for AS20373 in automation: routing intelligence, peering analysis, ownership checks, and network observability.

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IP Ranges

Route	Origin	Origin Name	ISP	# IPs
23.180.185.0/24	AS20373	Marley Index, LLC	Marley Index, LLC	256
23.180.184.0/24	AS20373	Marley Index, LLC	Marley Index, LLC	256
2602:f939:100::/48	AS20373	Marley Index, LLC	Marley Index, LLC	~1×10²⁴
2602:f939:99::/48	AS20373	Marley Index, LLC	Marley Index, LLC	~1×10²⁴
2602:f939:101::/48	AS20373	Marley Index, LLC	Marley Index, LLC	~1×10²⁴

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:       20373
ASName:         MARLEYINDEX-US
ASHandle:       AS20373
RegDate:        2024-03-19
Updated:        2024-03-19    
Ref:            https://rdap.arin.net/registry/autnum/20373


OrgName:        Marley Index, LLC
OrgId:          MIL-173
Address:        2028 E Ben White Blvd, #240-4000
City:           Austin
StateProv:      TX
PostalCode:     78741
Country:        US
RegDate:        2023-12-08
Updated:        2025-09-11
Ref:            https://rdap.arin.net/registry/entity/MIL-173


OrgAbuseHandle: NOC34057-ARIN
OrgAbuseName:   NOC
OrgAbusePhone:  +1-212-399-1111 
OrgAbuseEmail:  noc@dmn.io
OrgAbuseRef:    https://rdap.arin.net/registry/entity/NOC34057-ARIN

OrgRoutingHandle: NOC34057-ARIN
OrgRoutingName:   NOC
OrgRoutingPhone:  +1-212-399-1111 
OrgRoutingEmail:  noc@dmn.io
OrgRoutingRef:    https://rdap.arin.net/registry/entity/NOC34057-ARIN

OrgDNSHandle: NOC34057-ARIN
OrgDNSName:   NOC
OrgDNSPhone:  +1-212-399-1111 
OrgDNSEmail:  noc@dmn.io
OrgDNSRef:    https://rdap.arin.net/registry/entity/NOC34057-ARIN

OrgNOCHandle: NOC34057-ARIN
OrgNOCName:   NOC
OrgNOCPhone:  +1-212-399-1111 
OrgNOCEmail:  noc@dmn.io
OrgNOCRef:    https://rdap.arin.net/registry/entity/NOC34057-ARIN

OrgTechHandle: NOC34057-ARIN
OrgTechName:   NOC
OrgTechPhone:  +1-212-399-1111 
OrgTechEmail:  noc@dmn.io
OrgTechRef:    https://rdap.arin.net/registry/entity/NOC34057-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
AS34927	iFog GmbH	CH
AS1299	Arelion Sweden AB	SE

Upstreams

AS Number	Description	Country
AS34927	iFog GmbH	CH
AS1299	Arelion Sweden AB	SE