Report for 36054

Name

GLG-AS---GERSON-LEHRMAN-GROUP - Gerson Lehrman Group, Inc., 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.

36054 GLG-AS---GERSON-LEHRMAN-GROUP - Gerson Lehrman Group, Inc., US

  Adjacency:     2  Upstream:     2  Downstream:     0
  Upstream Adjacent AS list
    AS46887         CROWNCASTLE-AS46887 - Crown Castle Fiber LLC, US
    AS3356          LEVEL3 - Level 3 Parent, LLC, US

Announced Prefixes

Rank  AS       Type    Originate Addr Space  (pfx)   Transit Addr space  (pfx)  Description
49517 AS36054        ORIGIN  Originate:        512 /23.00  Transit:          0 /0.00  GLG-AS---GERSON-LEHRMAN-GROUP - Gerson Lehrman Group, Inc., 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       %
40617 AS36054       GLG-AS---GERSON-LEHRMAN-GROUP - Gerson Lehrma      2      0      0      2      0   0.00%


  Prefix               AS Path                              Aggregation Suggestion
  38.67.21.0/24        4777 2516 3356 36054   
  148.76.153.0/24      4777 2516 1299 46887 36054   

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

AS36054   2 More Specifics   2 Total Advertisements   GLG-AS---GERSON-LEHRMAN-GROUP - Gerson Lehrman Group, Inc., US
    38.67.21.0/24                 38.0.0.0/8
    148.76.153.0/24               148.76.128.0/18

Whois Entry

whois: 402332

IANA has recorded AS36054 as originally allocated by 
/usr/bin/whois -h jwhois.apnic.netr "AS36054\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:       36054
             ASName:         GLG-AS---GERSON-LEHRMAN-GROUP
             ASHandle:       AS36054
             RegDate:        2005-08-05
             Updated:        2012-02-24
             Ref:            https://rdap.arin.net/registry/autnum/36054
             
             
             OrgName:        Gerson Lehrman Group, Inc.
             OrgId:          GLG-4
             Address:        850 3rd Avenue
             Address:        9th Floor
             City:           New York
             StateProv:      NY
             PostalCode:     10022
             Country:        US
             RegDate:        2005-07-06
             Updated:        2011-09-24
             Ref:            https://rdap.arin.net/registry/entity/GLG-4
             
             
             OrgTechHandle: NETWO2924-ARIN
             OrgTechName:   Network Team
             OrgTechPhone:  +1-212-984-8500 
             OrgTechEmail:  cswaby@glgroup.com
             OrgTechRef:    https://rdap.arin.net/registry/entity/NETWO2924-ARIN
             
             OrgAbuseHandle: NETWO2924-ARIN
             OrgAbuseName:   Network Team
             OrgAbusePhone:  +1-212-984-8500 
             OrgAbuseEmail:  cswaby@glgroup.com
             OrgAbuseRef:    https://rdap.arin.net/registry/entity/NETWO2924-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.
             #