ASN Lookup Tool

Ramius Capital Group, L.L.C. ramius.com US US 0 Routes

AS Data

AS36557

AS36557 – Ramius Capital Group, L.L.C.

AS Number 36557
AS Name COWEN-INC
Organization Ramius Capital Group, L.L.C.(rcgl-2)
Country US
Website ramius.com
Number of IPv4 Routes 0
Number of IPv6 Routes 0
ASN type BUSINESS
Registry ARIN
Date Allocated 2006-01-31

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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:       36557
ASName:         COWEN-INC
ASHandle:       AS36557
RegDate:        2006-01-31
Updated:        2025-10-19    
Ref:            https://rdap.arin.net/registry/autnum/36557


OrgName:        Ramius Capital Group, L.L.C.
OrgId:          RCGL-2
Address:        599 Lexington Avenue
Address:        19th Floor
City:           New York
StateProv:      NY
PostalCode:     10022
Country:        US
RegDate:        2006-01-03
Updated:        2017-05-10
Ref:            https://rdap.arin.net/registry/entity/RCGL-2


OrgTechHandle: SMH15-ARIN
OrgTechName:   Hanley, Steven Michael
OrgTechPhone:  +1-212-845-7973 
OrgTechEmail:  shanley@ramius.com
OrgTechRef:    https://rdap.arin.net/registry/entity/SMH15-ARIN

OrgAbuseHandle: SMH15-ARIN
OrgAbuseName:   Hanley, Steven Michael
OrgAbusePhone:  +1-212-845-7973 
OrgAbuseEmail:  shanley@ramius.com
OrgAbuseRef:    https://rdap.arin.net/registry/entity/SMH15-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

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

Parsed Whois Response

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Frequently Asked Questions

ASN AS36557 is an Autonomous System Number used to identify a network for BGP internet routing.
AS36557 is listed under Ramius Capital Group, L.L.C..
Peers are lateral network interconnections, upstreams are transit providers, and downstreams are customer networks receiving connectivity.
Routes and IP ranges are the network prefixes announced by the ASN on the internet and show the address space it originates.
WHOIS provides registration and contact context for ASN ownership, administration, and operational reference.
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.