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AS31858 MARSHALL WACE NORTH AMERICA L.P.

Q: Why is WHOIS data shown for an ASN?

WHOIS data provides registration and contact context for ASN ownership, administration, and operational reference.

ASN Lookup Tool

MARSHALL WACE NORTH AMERICA L.P. mwam.com

US 1 Routes

AS Data

AS31858

AS31858 – MARSHALL WACE NORTH AMERICA L.P.

AS Number	31858
AS Name	MWNA-ASN
Organization	MARSHALL WACE NORTH AMERICA L.P.(mwna-1)
Country	US
Website	mwam.com
Number of IPv4 Routes	1
Number of IPv6 Routes	0
ASN type	BUSINESS
Registry	ARIN
Date Allocated	2008-03-19

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Use ASN data for AS31858 in automation: routing intelligence, peering analysis, ownership checks, and network observability.

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IP Ranges

Route	Origin	Origin Name	ISP	# IPs
208.103.172.0/24	AS31858	MARSHALL WACE NORTH AMERICA L.P.	MARSHALL WACE NORTH AMERICA L.P.	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:       31858
ASName:         MWNA-ASN
ASHandle:       AS31858
RegDate:        2008-03-19
Updated:        2012-03-02    
Ref:            https://rdap.arin.net/registry/autnum/31858


OrgName:        MARSHALL WACE NORTH AMERICA L.P.
OrgId:          MWNA-1
Address:        350 Park Avenue, 18th Floor
City:           New York
StateProv:      NY
PostalCode:     10022
Country:        US
RegDate:        2007-12-29
Updated:        2017-10-31
Ref:            https://rdap.arin.net/registry/entity/MWNA-1


OrgAbuseHandle: NETWO8222-ARIN
OrgAbuseName:   Networks
OrgAbusePhone:  +1-212-235-2800 
OrgAbuseEmail:  noc@mwam.com
OrgAbuseRef:    https://rdap.arin.net/registry/entity/NETWO8222-ARIN

OrgTechHandle: NETWO8222-ARIN
OrgTechName:   Networks
OrgTechPhone:  +1-212-235-2800 
OrgTechEmail:  noc@mwam.com
OrgTechRef:    https://rdap.arin.net/registry/entity/NETWO8222-ARIN

OrgNOCHandle: NETWO8222-ARIN
OrgNOCName:   Networks
OrgNOCPhone:  +1-212-235-2800 
OrgNOCEmail:  noc@mwam.com
OrgNOCRef:    https://rdap.arin.net/registry/entity/NETWO8222-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
AS46450	Pilot Fiber, Inc.	US

Upstreams

AS Number	Description	Country
AS46450	Pilot Fiber, Inc.	US

Frequently Asked Questions

What is ASN AS31858?

ASN AS31858 is an Autonomous System Number used to identify a network for BGP internet routing.

Who manages ASN AS31858?

AS31858 is listed under MARSHALL WACE NORTH AMERICA L.P..

What do peers, upstreams, and downstreams mean?

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 included here?

WHOIS provides registration and contact context for ASN ownership, administration, and operational reference.

How can I access full ASN table data?

This page previews large ASN datasets. Use See more to load additional rows, and upgrade your plan to view complete peer, route, upstream, and downstream data.