AS33359 COWEN EXECUTION SERVICES LLC. 🇺🇸 US

Announcing 14 prefixes, seen at the RIS collectors.

IPv4 prefixes

4,352 (17 × /24)

IPv6 prefixes

Upstreams

transit providers observed

Peers

settlement-free adjacencies

Downstreams

transit customers observed

Customer cone

ASes reachable through it

Registry and operator data

AS number: AS33359
Name: COWEN EXECUTION SERVICES LLC.
Organisation: COWEN
Country: 🇺🇸 US
RIR: ARIN
Allocated: 2004-12-02
Network type: Enterprise
Traffic levels: 1-5Gbps
Scope: Not Disclosed
Peering policy: Selective
IRR as-set: ARIN::RS-COWEN-US
Website: http://www.cowen.com
PeeringDB: net/26658
Exchanges: 1

RPKI coverage of this AS

Its own announcements, validated against the current ROA set

11 valid (78.6%) 0 invalid (0.0%) 3 no ROA (21.4%)

Whois

Fetched from whois.arin.net

ASNumber:       33359
ASName:         COWEN-AS-3
ASHandle:       AS33359
RegDate:        2004-12-02
Updated:        2017-09-27
Ref:            https://rdap.arin.net/registry/autnum/33359

OrgName:        COWEN EXECUTION SERVICES LLC.
OrgId:          BNYBR
Address:        599 Lexington Ave
Address:        20th Floor
City:           New York
StateProv:      NY
PostalCode:     10022
Country:        US
RegDate:        2003-11-26
Updated:        2025-10-27
Ref:            https://rdap.arin.net/registry/entity/BNYBR

OrgTechHandle: ABA20-ARIN
OrgTechName:   Bankouski, Andrei
OrgTechPhone:  +1-646-562-1800
OrgTechEmail:  tdc-network@tdsecurities.com
OrgTechRef:    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

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

OrgAbuseHandle: TDDNS-ARIN
OrgAbuseName:   TD-DNS-POC
OrgAbusePhone:  +1-416-438-6868
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:  tdc-network@tdsecurities.com
OrgAbuseRef:    https://rdap.arin.net/registry/entity/ABA20-ARIN

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