Report for 18670

Name

ARROWSTREET - Arrowstreet Capital, 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.

18670 ARROWSTREET - Arrowstreet Capital, L.P., US

  Adjacency:     3  Upstream:     3  Downstream:     0
  Upstream Adjacent AS list
    AS15830         Equinix - Equinix (EMEA) Acquisition Enterprises B.V., NL
    AS174           COGENT-174 - Cogent Communications, LLC, US
    AS46887         CROWNCASTLE-AS46887 - Crown Castle Fiber LLC, US

Announced Prefixes

Rank  AS       Type    Originate Addr Space  (pfx)   Transit Addr space  (pfx)  Description
44475 AS18670        ORIGIN  Originate:        768 /22.42  Transit:          0 /0.00  ARROWSTREET - Arrowstreet Capital, 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       %
34821 AS18670       ARROWSTREET - Arrowstreet Capital, L.P., US        2      0      0      2      0   0.00%


  Prefix               AS Path                              Aggregation Suggestion
  38.127.203.0/24      4777 2497 174 18670    
  199.85.22.0/23       4777 2516 1299 46887 18670   

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

AS18670   1 More Specifics   2 Total Advertisements   ARROWSTREET - Arrowstreet Capital, L.P., US
    38.127.203.0/24               38.0.0.0/8

Whois Entry

whois: 402609

IANA has recorded AS18670 as originally allocated by 
/usr/bin/whois -h jwhois.apnic.netr "AS18670\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:       18670
             ASName:         ARROWSTREET
             ASHandle:       AS18670
             RegDate:        2012-07-11
             Updated:        2012-07-11
             Comment:        http://www.arrowstreetcapital.com
             Comment:        
             Comment:        Standard NOC hours are 3am to 9pm EST
             Ref:            https://rdap.arin.net/registry/autnum/18670
             
             
             OrgName:        Arrowstreet Capital, L.P.
             OrgId:          ACL-189
             Address:        200 Clarendon Street
             Address:        30th Floor
             City:           Boston
             StateProv:      MA
             PostalCode:     02116
             Country:        US
             RegDate:        2012-05-25
             Updated:        2024-11-25
             Ref:            https://rdap.arin.net/registry/entity/ACL-189
             
             
             OrgAbuseHandle: NETWO6602-ARIN
             OrgAbuseName:   Network Engineers
             OrgAbusePhone:  +1-617-919-0100 
             OrgAbuseEmail:  it_network_alerts@arrowstreetcapital.com
             OrgAbuseRef:    https://rdap.arin.net/registry/entity/NETWO6602-ARIN
             
             OrgTechHandle: NETWO6602-ARIN
             OrgTechName:   Network Engineers
             OrgTechPhone:  +1-617-919-0100 
             OrgTechEmail:  it_network_alerts@arrowstreetcapital.com
             OrgTechRef:    https://rdap.arin.net/registry/entity/NETWO6602-ARIN
             
             OrgNOCHandle: NETWO6602-ARIN
             OrgNOCName:   Network Engineers
             OrgNOCPhone:  +1-617-919-0100 
             OrgNOCEmail:  it_network_alerts@arrowstreetcapital.com
             OrgNOCRef:    https://rdap.arin.net/registry/entity/NETWO6602-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.
             #