AS Number
AS33359
AS Name
COWEN-AS-3
Org Name
COWEN EXECUTION SERVICES LLC.
Registry

arin

RegDate

2003-11-26

Updated

2025-10-27

AS33359 Looking Glass
IPv4Prefixes

14

IPv6Prefixes

0

IPv4 NUMs

2,816

IPv6 NUMs(/64)

0

2,816 IPv4 Addresses
CIDR Description IP Num
67.43.80.0/24
ROA Signed and Valid IRR Valid
COWEN EXECUTION SERVICES LLC. 256
67.43.82.0/24
ROA Signed and Valid IRR InValid
COWEN EXECUTION SERVICES LLC. 256
67.43.82.0/23
IRR InValid
COWEN EXECUTION SERVICES LLC. 512
67.43.83.0/24
ROA Signed and Valid IRR Valid
COWEN EXECUTION SERVICES LLC. 256
67.43.84.0/24
ROA Signed and Valid IRR Valid
COWEN EXECUTION SERVICES LLC. 256
67.43.84.0/23
IRR InValid
COWEN EXECUTION SERVICES LLC. 512
67.43.85.0/24
ROA Signed and Valid IRR Valid
COWEN EXECUTION SERVICES LLC. 256
67.43.88.0/24
ROA Signed and Valid IRR InValid
COWEN EXECUTION SERVICES LLC. 256
67.43.88.0/23
IRR InValid
COWEN EXECUTION SERVICES LLC. 512
67.43.89.0/24
ROA Signed and Valid IRR InValid
COWEN EXECUTION SERVICES LLC. 256
67.43.91.0/24
ROA Signed and Valid IRR Valid
COWEN EXECUTION SERVICES LLC. 256
67.43.93.0/24
ROA Signed and Valid
COWEN EXECUTION SERVICES LLC. 256
208.89.28.0/24
ROA Signed and Valid IRR InValid
Cowen Group, Inc 256
208.89.29.0/24
ROA Signed and Valid IRR InValid
Cowen Group, Inc 256
AS Description Country/Region IPv4 NUMs IPv6 NUMs IPv4 IPv6
AS6461 ZAYO-6461 - Zayo Bandwidth, US United States 1,661,696 17,717,133,312 IPv4 IPv4
AS8220 COLT - COLT Technology Services Group Limited, GB United Kingdom 1,496,320 25,770,590,208 IPv4 IPv4
AS52320 GlobeNet Cabos Submarinos Colombia, S.A.S., CO Colombia 4,096 8,589,934,592 IPv4 IPv4
AS199524 GCORE - G-Core Labs S.A., LU Luxembourg 119,552 112,721,920 IPv4 IPv4
AS32787 PROLEXIC-TECHNOLOGIES-DDOS-MITIGATION-NETWORK - Akamai Technologies, Inc., US United States 92,416 5,898,240 IPv4 IPv4
AS49544 i3Dnet - i3D.net B.V, NL Netherlands 97,792 352,458,178,560 IPv4 IPv4
AS137409 GSLNETWORKS-AS-AP - GSL Networks Pty LTD, AU Australia 100,608 77,403,652,096 IPv4 IPv4
AS174 COGENT-174 - Cogent Communications, LLC, US United States 35,915,520 185,692,585,984 IPv4 IPv4
AS701 UUNET - Verizon Business, US United States 41,417,984 1,241,263,046,656 IPv4 IPv4
AS6939 HURRICANE - Hurricane Electric LLC, US United States 582,656 282,627,370,713,088 IPv4 IPv4
AS24482 SGGS-AS-AP - SG.GS, SG Singapore 20,992 4,294,967,296 IPv4 IPv4

Peers at this Exchange Point

Country/Region IX IPv4 IPv6 Port Speed Updated
United States Equinix New York - Equinix Internet Exchange New York 198.32.118.78 2001:504:f::3:3359:1 10 Gbps 2021-04-22 13:18:13

Private Peering Facilities

Country/Region Name City Website Updated
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: 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

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

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