ASN AS18954 is an Autonomous System Number used to identify a network for BGP internet routing.

Who manages ASN AS18954?

AS18954 is listed under Cowen Group, 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.

AS18954 Cowen Group, Inc | IPGeolocation.io

ASN Lookup Tool

Search ASN

AS Data

IP Routes

Raw Whois

Parsed Whois

Peers

Upstreams

Downstreams

Legacy Routes

Cowen Group, Inc cowen.com

US 0 Routes

AS Data

AS18954

AS18954 – Cowen Group, Inc

AS Number	18954
AS Name	COWEN-ASN18954
Organization	Cowen Group, Inc(cg-141)
Country	US
Website	cowen.com
Number of IPv4 Routes	0
Number of IPv6 Routes	0
ASN type	BUSINESS
Registry	ARIN
Date Allocated	2005-04-29

ASN Intelligence API for production workflows

Use ASN data for AS18954 in automation: routing intelligence, peering analysis, ownership checks, and network observability.

Access complete peers, upstreams, downstreams, routes, WHOIS, and contact intelligence via our API. Learn more

Get ASN API Key ASN API Docs

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:       18954
ASName:         COWEN-ASN18954
ASHandle:       AS18954
RegDate:        2005-04-29
Updated:        2025-10-19    
Ref:            https://rdap.arin.net/registry/autnum/18954


OrgName:        Cowen Group, Inc
OrgId:          CG-141
Address:        599 Lexington Ave.
City:           New York
StateProv:      NY
PostalCode:     10022
Country:        US
RegDate:        2013-08-26
Updated:        2025-10-27
Ref:            https://rdap.arin.net/registry/entity/CG-141


OrgNOCHandle: ABA20-ARIN
OrgNOCName:   Bankouski, Andrei 
OrgNOCPhone:  +1-646-562-1800 
OrgNOCEmail:  noc@cowen.com
OrgNOCRef:    https://rdap.arin.net/registry/entity/ABA20-ARIN

OrgTechHandle: PALEO-ARIN
OrgTechName:   Paleologus, Anthony 
OrgTechPhone:  +1-856-470-3236 
OrgTechEmail:  anthony.paleologus@td.com
OrgTechRef:    https://rdap.arin.net/registry/entity/PALEO-ARIN

OrgAbuseHandle: TDDNS-ARIN
OrgAbuseName:   TD-DNS-POC
OrgAbusePhone:  +1-866-523-4357 
OrgAbuseEmail:  dnstech@td.com
OrgAbuseRef:    https://rdap.arin.net/registry/entity/TDDNS-ARIN

OrgAbuseHandle: ABA20-ARIN
OrgAbuseName:   Bankouski, Andrei 
OrgAbusePhone:  +1-646-562-1800 
OrgAbuseEmail:  noc@cowen.com
OrgAbuseRef:    https://rdap.arin.net/registry/entity/ABA20-ARIN

OrgTechHandle: CHANI1-ARIN
OrgTechName:   Chan, Irwin 
OrgTechPhone:  +1-647-964-3402 
OrgTechEmail:  irwin.chan@td.com
OrgTechRef:    https://rdap.arin.net/registry/entity/CHANI1-ARIN

OrgTechHandle: ABA20-ARIN
OrgTechName:   Bankouski, Andrei 
OrgTechPhone:  +1-646-562-1800 
OrgTechEmail:  noc@cowen.com
OrgTechRef:    https://rdap.arin.net/registry/entity/ABA20-ARIN

RAbuseHandle: ABA20-ARIN
RAbuseName:   Bankouski, Andrei 
RAbusePhone:  +1-646-562-1800 
RAbuseEmail:  noc@cowen.com
RAbuseRef:    https://rdap.arin.net/registry/entity/ABA20-ARIN

RAbuseHandle: YEUNG5-ARIN
RAbuseName:   Yeung, Dave 
RAbusePhone:  +1-646-562-1800 
RAbuseEmail:  noc@cowen.com
RAbuseRef:    https://rdap.arin.net/registry/entity/YEUNG5-ARIN

RTechHandle: ABA20-ARIN
RTechName:   Bankouski, Andrei 
RTechPhone:  +1-646-562-1800 
RTechEmail:  noc@cowen.com
RTechRef:    https://rdap.arin.net/registry/entity/ABA20-ARIN

RTechHandle: YEUNG5-ARIN
RTechName:   Yeung, Dave 
RTechPhone:  +1-646-562-1800 
RTechEmail:  noc@cowen.com
RTechRef:    https://rdap.arin.net/registry/entity/YEUNG5-ARIN

RNOCHandle: ABA20-ARIN
RNOCName:   Bankouski, Andrei 
RNOCPhone:  +1-646-562-1800 
RNOCEmail:  noc@cowen.com
RNOCRef:    https://rdap.arin.net/registry/entity/ABA20-ARIN

RNOCHandle: YEUNG5-ARIN
RNOCName:   Yeung, Dave 
RNOCPhone:  +1-646-562-1800 
RNOCEmail:  noc@cowen.com
RNOCRef:    https://rdap.arin.net/registry/entity/YEUNG5-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.
#

ASN Lookup Tool

ASN Summary

AS18954 – Cowen Group, Inc

ASN Intelligence API for production workflows

Raw Whois Response

Parsed Whois Response

Ready to get started?Get Started with IP Intelligence API Today

Frequently Asked Questions