Report for 31952

Name

CAL-NAP-ASN - Calamos Advisors 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.

31952 CAL-NAP-ASN - Calamos Advisors LLC, US

  Adjacency:     1  Upstream:     1  Downstream:     0
  Upstream Adjacent AS list
    AS6461          ZAYO-6461 - Zayo Bandwidth, US

Announced Prefixes

Rank  AS       Type    Originate Addr Space  (pfx)   Transit Addr space  (pfx)  Description
61110 AS31952        ORIGIN  Originate:        256 /24.00  Transit:          0 /0.00  CAL-NAP-ASN - Calamos Advisors 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       %
39332 AS31952       CAL-NAP-ASN - Calamos Advisors LLC, US             1      0      0      1      0   0.00%


  Prefix               AS Path                              Aggregation Suggestion
  192.52.162.0/24      4777 2497 6461 31952   

Whois Entry

whois: 402613

IANA has recorded AS31952 as originally allocated by 
/usr/bin/whois -h jwhois.apnic.netr "AS31952\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:       31952
             ASName:         CAL-NAP-ASN
             ASHandle:       AS31952
             RegDate:        2004-01-30
             Updated:        2014-07-18
             Ref:            https://rdap.arin.net/registry/autnum/31952
             
             
             OrgName:        Calamos Advisors LLC
             OrgId:          CAL-137
             Address:        2020 Calamos Court
             City:           Naperville
             StateProv:      IL
             PostalCode:     60563
             Country:        US
             RegDate:        2014-05-09
             Updated:        2014-05-09
             Ref:            https://rdap.arin.net/registry/entity/CAL-137
             
             
             OrgTechHandle: SMITH883-ARIN
             OrgTechName:   Smith, Andrew 
             OrgTechPhone:  +1-630-245-1286 
             OrgTechEmail:  asmith@calamos.com
             OrgTechRef:    https://rdap.arin.net/registry/entity/SMITH883-ARIN
             
             OrgAbuseHandle: SMITH883-ARIN
             OrgAbuseName:   Smith, Andrew 
             OrgAbusePhone:  +1-630-245-1286 
             OrgAbuseEmail:  asmith@calamos.com
             OrgAbuseRef:    https://rdap.arin.net/registry/entity/SMITH883-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.
             #