Report for 40827

Name

HUDSON-RIVER-TRADING-LLC - Hudson River Trading 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.

40827 HUDSON-RIVER-TRADING-LLC - Hudson River Trading LLC, US

  Adjacency:     4  Upstream:     4  Downstream:     0
  Upstream Adjacent AS list
    AS3356          LEVEL3 - Level 3 Parent, LLC, US
    AS6461          ZAYO-6461 - Zayo Bandwidth, US
    AS1299          TWELVE99 Arelion, fka Telia Carrier, SE
    AS174           COGENT-174 - Cogent Communications, LLC, US

Announced Prefixes

Rank  AS       Type    Originate Addr Space  (pfx)   Transit Addr space  (pfx)  Description
45077 AS40827        ORIGIN  Originate:        768 /22.42  Transit:          0 /0.00  HUDSON-RIVER-TRADING-LLC - Hudson River Trading 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       %
43072 AS40827       HUDSON-RIVER-TRADING-LLC - Hudson River Tradi      3      0      0      3      0   0.00%


  Prefix               AS Path                              Aggregation Suggestion
  38.105.238.0/24      4777 2516 1299 40827   
  154.51.249.0/24      4777 2516 174 40827    
  209.249.190.0/24     4777 2497 174 40827    

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

AS40827   3 More Specifics   3 Total Advertisements   HUDSON-RIVER-TRADING-LLC - Hudson River Trading LLC, US
    38.105.238.0/24               38.0.0.0/8
    154.51.249.0/24               154.51.0.0/16
    209.249.190.0/24              209.249.0.0/16

Whois Entry

whois: 402332

IANA has recorded AS40827 as originally allocated by 
/usr/bin/whois -h jwhois.apnic.netr "AS40827\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:       40827
             ASName:         HUDSON-RIVER-TRADING-LLC
             ASHandle:       AS40827
             RegDate:        2008-04-25
             Updated:        2012-02-24
             Ref:            https://rdap.arin.net/registry/autnum/40827
             
             
             OrgName:        Hudson River Trading LLC
             OrgId:          HRTL-2
             Address:        150 Greenwich Street, 57th Floor, Four World Trade Center
             City:           New York
             StateProv:      NY
             PostalCode:     10007
             Country:        US
             RegDate:        2008-04-23
             Updated:        2018-10-31
             Ref:            https://rdap.arin.net/registry/entity/HRTL-2
             
             
             OrgNOCHandle: DNSAD216-ARIN
             OrgNOCName:   DNS Admin
             OrgNOCPhone:  +1-212-293-1815 
             OrgNOCEmail:  dns-admin@hudson-trading.com
             OrgNOCRef:    https://rdap.arin.net/registry/entity/DNSAD216-ARIN
             
             OrgAbuseHandle: DNSAD216-ARIN
             OrgAbuseName:   DNS Admin
             OrgAbusePhone:  +1-212-293-1815 
             OrgAbuseEmail:  dns-admin@hudson-trading.com
             OrgAbuseRef:    https://rdap.arin.net/registry/entity/DNSAD216-ARIN
             
             OrgTechHandle: DNSAD216-ARIN
             OrgTechName:   DNS Admin
             OrgTechPhone:  +1-212-293-1815 
             OrgTechEmail:  dns-admin@hudson-trading.com
             OrgTechRef:    https://rdap.arin.net/registry/entity/DNSAD216-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.
             #