ASN AS63329 is an Autonomous System Number used to identify a network for BGP internet routing.

Who manages ASN AS63329?

AS63329 is listed under Marcum LLP.

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?

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AS63329 Marcum LLP | IPGeolocation.io

ASN Lookup Tool

Marcum LLP marcumllp.com

US 2 Routes

AS Data

AS63329

AS63329 – Marcum LLP

AS Number	63329
AS Name	MARCUM-LLP
Organization	Marcum LLP(ml-426)
Country	US
Website	marcumllp.com
Number of IPv4 Routes	2
Number of IPv6 Routes	0
ASN type	BUSINESS
Registry	ARIN
Date Allocated	2014-12-04

ASN Intelligence API for production workflows

Use ASN data for AS63329 in automation: routing intelligence, peering analysis, ownership checks, and network observability.

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IP Ranges

Route	Origin	Origin Name	ISP	# IPs
47.19.127.0/24	AS63329	Marcum LLP	MARCUM LLP	256
144.121.95.0/24	AS63329	Marcum LLP	Marcum LLP	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:       63329
ASName:         MARCUM-LLP
ASHandle:       AS63329
RegDate:        2014-12-04
Updated:        2014-12-04
Comment:        http://www.marcumllp.com    
Ref:            https://rdap.arin.net/registry/autnum/63329


OrgName:        Marcum LLP
OrgId:          ML-426
Address:        10 Melville Park Road
City:           Melville
StateProv:      NY
PostalCode:     11747
Country:        US
RegDate:        2014-03-11
Updated:        2023-03-20
Comment:        http://www.marcumllp.com
Ref:            https://rdap.arin.net/registry/entity/ML-426


OrgAbuseHandle: PJS30-ARIN
OrgAbuseName:   Scavuzzo, Peter J
OrgAbusePhone:  +1-631-414-4094 
OrgAbuseEmail:  cio@marcumllp.com
OrgAbuseRef:    https://rdap.arin.net/registry/entity/PJS30-ARIN

OrgTechHandle: PJS30-ARIN
OrgTechName:   Scavuzzo, Peter J
OrgTechPhone:  +1-631-414-4094 
OrgTechEmail:  cio@marcumllp.com
OrgTechRef:    https://rdap.arin.net/registry/entity/PJS30-ARIN

OrgDNSHandle: MARCU22-ARIN
OrgDNSName:   Marcum Engineering
OrgDNSPhone:  +1-631-414-4273 
OrgDNSEmail:  networkvendor.communications@marcumllp.com
OrgDNSRef:    https://rdap.arin.net/registry/entity/MARCU22-ARIN

OrgAbuseHandle: MARCU22-ARIN
OrgAbuseName:   Marcum Engineering
OrgAbusePhone:  +1-631-414-4273 
OrgAbuseEmail:  networkvendor.communications@marcumllp.com
OrgAbuseRef:    https://rdap.arin.net/registry/entity/MARCU22-ARIN

OrgNOCHandle: PJS30-ARIN
OrgNOCName:   Scavuzzo, Peter J
OrgNOCPhone:  +1-631-414-4094 
OrgNOCEmail:  cio@marcumllp.com
OrgNOCRef:    https://rdap.arin.net/registry/entity/PJS30-ARIN

OrgRoutingHandle: MARCU22-ARIN
OrgRoutingName:   Marcum Engineering
OrgRoutingPhone:  +1-631-414-4273 
OrgRoutingEmail:  networkvendor.communications@marcumllp.com
OrgRoutingRef:    https://rdap.arin.net/registry/entity/MARCU22-ARIN

OrgNOCHandle: MARCU22-ARIN
OrgNOCName:   Marcum Engineering
OrgNOCPhone:  +1-631-414-4273 
OrgNOCEmail:  networkvendor.communications@marcumllp.com
OrgNOCRef:    https://rdap.arin.net/registry/entity/MARCU22-ARIN

OrgTechHandle: MARCU22-ARIN
OrgTechName:   Marcum Engineering
OrgTechPhone:  +1-631-414-4273 
OrgTechEmail:  networkvendor.communications@marcumllp.com
OrgTechRef:    https://rdap.arin.net/registry/entity/MARCU22-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
AS46887	Crown Castle Fiber LLC	US
AS6461	Zayo Bandwidth	US

Upstreams

AS Number	Description	Country
AS46887	Crown Castle Fiber LLC	US
AS6461	Zayo Bandwidth	US