Report for 31858

Name

MWNA-ASN - MARSHALL WACE NORTH AMERICA L.P., 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.

31858 MWNA-ASN - MARSHALL WACE NORTH AMERICA L.P., US

  Adjacency:     1  Upstream:     1  Downstream:     0
  Upstream Adjacent AS list
    AS46450         PILOT - Pilot Fiber, Inc., US

Announced Prefixes

Rank  AS       Type    Originate Addr Space  (pfx)   Transit Addr space  (pfx)  Description
60910 AS31858        ORIGIN  Originate:        256 /24.00  Transit:          0 /0.00  MWNA-ASN - MARSHALL WACE NORTH AMERICA L.P., 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       %
39762 AS31858       MWNA-ASN - MARSHALL WACE NORTH AMERICA L.P.,       1      0      0      1      0   0.00%


  Prefix               AS Path                              Aggregation Suggestion
  208.103.172.0/24     4608 7575 2914 46450 31858   

Whois Entry

whois: 402332

IANA has recorded AS31858 as originally allocated by 
/usr/bin/whois -h jwhois.apnic.netr "AS31858\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:       31858
             ASName:         MWNA-ASN
             ASHandle:       AS31858
             RegDate:        2008-03-19
             Updated:        2012-03-02
             Ref:            https://rdap.arin.net/registry/autnum/31858
             
             
             OrgName:        MARSHALL WACE NORTH AMERICA L.P.
             OrgId:          MWNA-1
             Address:        350 Park Avenue, 18th Floor
             City:           New York
             StateProv:      NY
             PostalCode:     10022
             Country:        US
             RegDate:        2007-12-29
             Updated:        2017-10-31
             Ref:            https://rdap.arin.net/registry/entity/MWNA-1
             
             
             OrgTechHandle: NETWO8222-ARIN
             OrgTechName:   Networks
             OrgTechPhone:  +1-212-235-2800 
             OrgTechEmail:  noc@mwam.com
             OrgTechRef:    https://rdap.arin.net/registry/entity/NETWO8222-ARIN
             
             OrgNOCHandle: NETWO8222-ARIN
             OrgNOCName:   Networks
             OrgNOCPhone:  +1-212-235-2800 
             OrgNOCEmail:  noc@mwam.com
             OrgNOCRef:    https://rdap.arin.net/registry/entity/NETWO8222-ARIN
             
             OrgAbuseHandle: NETWO8222-ARIN
             OrgAbuseName:   Networks
             OrgAbusePhone:  +1-212-235-2800 
             OrgAbuseEmail:  noc@mwam.com
             OrgAbuseRef:    https://rdap.arin.net/registry/entity/NETWO8222-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.
             #