Report for 36539

Name

PEAK6 - Peak6 Group 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.

36539 PEAK6 - Peak6 Group LLC, US

  Adjacency:     2  Upstream:     2  Downstream:     0
  Upstream Adjacent AS list
    AS174           COGENT-174 - Cogent Communications, LLC, US
    AS3561          CENTURYLINK-LEGACY-SAVVIS - CenturyLink Communications, LLC, US

Announced Prefixes

Rank  AS       Type    Originate Addr Space  (pfx)   Transit Addr space  (pfx)  Description
32998 AS36539        ORIGIN  Originate:       1280 /21.68  Transit:          0 /0.00  PEAK6 - Peak6 Group 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       %
41636 AS36539       PEAK6 - Peak6 Group LLC, US                        4      0      0      4      0   0.00%


  Prefix               AS Path                              Aggregation Suggestion
  38.98.137.0/24       4777 2516 174 36539    
  204.48.42.0/23       4777 2516 3356 3561 36539 36539 36539 36539 36539 36539   
  204.48.42.0/24       4777 2516 174 36539    
  208.79.124.0/24      4777 2497 174 36539    

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

AS36539   3 More Specifics   4 Total Advertisements   PEAK6 - Peak6 Group LLC, US
    38.98.137.0/24                38.0.0.0/8
    204.48.42.0/24                204.48.42.0/23
    208.79.124.0/24               208.79.124.0/22

Whois Entry

whois: 402332

IANA has recorded AS36539 as originally allocated by 
/usr/bin/whois -h jwhois.apnic.netr "AS36539\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:       36539
             ASName:         PEAK6
             ASHandle:       AS36539
             RegDate:        2006-01-26
             Updated:        2012-02-24
             Ref:            https://rdap.arin.net/registry/autnum/36539
             
             
             OrgName:        Peak6 Group LLC
             OrgId:          PIL-48
             Address:        141 W. Jackson Blvd.
             Address:        Suite 500
             City:           Chicago
             StateProv:      IL
             PostalCode:     60604
             Country:        US
             RegDate:        2005-12-07
             Updated:        2024-11-08
             Ref:            https://rdap.arin.net/registry/entity/PIL-48
             
             
             OrgTechHandle: ELH3-ARIN
             OrgTechName:   Heinz, Erik L
             OrgTechPhone:  +1-312-444-8000 
             OrgTechEmail:  eheinz@peak6.com
             OrgTechRef:    https://rdap.arin.net/registry/entity/ELH3-ARIN
             
             OrgTechHandle: BENED47-ARIN
             OrgTechName:   Benedict, Brad 
             OrgTechPhone:  +1-312-444-8502 
             OrgTechEmail:  bbenedict@peak6.com
             OrgTechRef:    https://rdap.arin.net/registry/entity/BENED47-ARIN
             
             OrgTechHandle: JS3079-ARIN
             OrgTechName:   Slepicka, James 
             OrgTechPhone:  +1-312-444-8086 
             OrgTechEmail:  jslepicka@peak6.com
             OrgTechRef:    https://rdap.arin.net/registry/entity/JS3079-ARIN
             
             OrgAbuseHandle: JS3079-ARIN
             OrgAbuseName:   Slepicka, James 
             OrgAbusePhone:  +1-312-444-8086 
             OrgAbuseEmail:  jslepicka@peak6.com
             OrgAbuseRef:    https://rdap.arin.net/registry/entity/JS3079-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.
             #