Report for 16385

Name

CESG-16385 - COWEN EXECUTION SERVICES LLC., US

AS Adjacency Report

In the context of this report "Upstream" indicates that there is an adjacent AS that lines between the BGP table collection point (in this case at AS2.0) and the specified AS. Similarly, "Downstream" refers to an adjacent AS that lies beyond the specified AS. This upstream / downstream categorisation is strictly a description relative topology, and should not be confused with provider / customer / peer inter-AS relationships.

16385 CESG-16385 - COWEN EXECUTION SERVICES LLC., US

  Adjacency:     1  Upstream:     1  Downstream:     0
  Upstream Adjacent AS list
    AS15830         Equinix - Equinix (EMEA) Acquisition Enterprises B.V., NL

Announced Prefixes

Rank  AS       Type    Originate Addr Space  (pfx)   Transit Addr space  (pfx)  Description
59308 AS16385        ORIGIN  Originate:        256 /24.00  Transit:          0 /0.00  CESG-16385 - COWEN EXECUTION SERVICES LLC., US

Aggregation Suggestions

        Filter: Aggregates, Specifics

This report does not take into account conditions local to each origin AS in terms of policy or traffic engineering requirements, so this is an approximate guideline as to aggregation possibilities.

 Rank AS            AS Name                                      Current  Wthdw  Aggte  Annce Redctn       %
34172 AS16385       CESG-16385 - COWEN EXECUTION SERVICES LLC., U      1      0      0      1      0   0.00%


  Prefix               AS Path                              Aggregation Suggestion
  67.43.87.0/24        4608 7575 15830 16385   

Advertisements that are fragments of the original RIR allocation (more specifics) originated by this AS.

AS16385   1 More Specifics   1 Total Advertisements   CESG-16385 - COWEN EXECUTION SERVICES LLC., US
    67.43.87.0/24                 67.43.80.0/20

Whois Entry

whois: 402603

IANA has recorded AS16385 as originally allocated by 
/usr/bin/whois -h jwhois.apnic.netr "AS16385\n             
             #
             # 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:       16385
             ASName:         CESG-16385
             ASHandle:       AS16385
             RegDate:        2000-04-25
             Updated:        2012-02-24
             Ref:            https://rdap.arin.net/registry/autnum/16385
             
             
             OrgName:        COWEN EXECUTION SERVICES LLC.
             OrgId:          BCESL
             Address:        599 Lexington Ave
             Address:        20th Floor
             City:           New York
             StateProv:      NY
             PostalCode:     10022
             Country:        US
             RegDate:        2011-03-30
             Updated:        2025-10-27
             Ref:            https://rdap.arin.net/registry/entity/BCESL
             
             
             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: 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: ABA20-ARIN
             OrgAbuseName:   Bankouski, Andrei 
             OrgAbusePhone:  +1-646-562-1800 
             OrgAbuseEmail:  tdc-network@tdsecurities.com
             OrgAbuseRef:    https://rdap.arin.net/registry/entity/ABA20-ARIN
             
             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: CHANI1-ARIN
             OrgTechName:   Chan, Irwin 
             OrgTechPhone:  +1-647-964-3402 
             OrgTechEmail:  irwin.chan@td.com
             OrgTechRef:    https://rdap.arin.net/registry/entity/CHANI1-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.
             #