Report for 27245

Name

HEIDRICK-CHICAGO - HEIDRICK, 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.

27245 HEIDRICK-CHICAGO - HEIDRICK, US

  Adjacency:     1  Upstream:     1  Downstream:     0
  Upstream Adjacent AS list
    AS174           COGENT-174 - Cogent Communications, LLC, US

Announced Prefixes

Rank  AS       Type    Originate Addr Space  (pfx)   Transit Addr space  (pfx)  Description
60407 AS27245        ORIGIN  Originate:        256 /24.00  Transit:          0 /0.00  HEIDRICK-CHICAGO - HEIDRICK, 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       %
37457 AS27245       HEIDRICK-CHICAGO - HEIDRICK, US                    1      0      0      1      0   0.00%


  Prefix               AS Path                              Aggregation Suggestion
  38.98.145.0/24       4777 2516 174 27245    

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

AS27245   1 More Specifics   1 Total Advertisements   HEIDRICK-CHICAGO - HEIDRICK, US
    38.98.145.0/24                38.0.0.0/8

Whois Entry

whois: 402332

IANA has recorded AS27245 as originally allocated by 
/usr/bin/whois -h jwhois.apnic.netr "AS27245\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:       27245
             ASName:         HEIDRICK-CHICAGO
             ASHandle:       AS27245
             RegDate:        2003-01-29
             Updated:        2012-03-20
             Ref:            https://rdap.arin.net/registry/autnum/27245
             
             
             OrgName:        HEIDRICK
             OrgId:          HEIDR
             Address:        SEARS TOWER, STE 4200
             Address:        233 S. WACKER DRIVE
             City:           CHICAGO
             StateProv:      IL
             PostalCode:     60606
             Country:        US
             RegDate:        2003-01-17
             Updated:        2011-09-24
             Ref:            https://rdap.arin.net/registry/entity/HEIDR
             
             
             OrgTechHandle: DV330-ARIN
             OrgTechName:   Voss, David 
             OrgTechPhone:  +1-312-496-1595 
             OrgTechEmail:  dvoss@heidrick.com
             OrgTechRef:    https://rdap.arin.net/registry/entity/DV330-ARIN
             
             OrgAbuseHandle: DV330-ARIN
             OrgAbuseName:   Voss, David 
             OrgAbusePhone:  +1-312-496-1595 
             OrgAbuseEmail:  dvoss@heidrick.com
             OrgAbuseRef:    https://rdap.arin.net/registry/entity/DV330-ARIN
             
             RTechHandle: DV330-ARIN
             RTechName:   Voss, David 
             RTechPhone:  +1-312-496-1595 
             RTechEmail:  dvoss@heidrick.com
             RTechRef:    https://rdap.arin.net/registry/entity/DV330-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.
             #