Report for 46852

Name

IMC-CHICAGO - IMC Markets, 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 AS6447) 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.

46852 IMC-CHICAGO, US

  Adjacency:     4  Upstream:     4  Downstream:     0
  Upstream Adjacent AS list
    AS2914          NTT-LTD-2914, US
    AS13237         LAMBDANET-AS European Backbone of AS13237, DE
    AS3257          GTT-BACKBONE GTT, US
    AS6461          ZAYO-6461, US

Announced Prefixes

Rank  AS       Type    Originate Addr Space  (pfx)   Transit Addr space  (pfx)  Description
30946 AS46852        ORIGIN  Originate:       1536 /21.42  Transit:          0 /0.00  IMC-CHICAGO, 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       %
45370 AS46852       IMC-CHICAGO, US                                    3      0      0      3      0   0.00%


  Prefix               AS Path                              Aggregation Suggestion
  151.123.169.0/24     6939 13237 46852       
  162.210.153.0/24     3257 46852             
  199.168.44.0/22      6939 6461 46852        

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

AS46852   2 More Specifics   3 Total Advertisements   IMC-CHICAGO, US
    69.25.146.0/24                69.25.144.0/20
    74.217.9.0/24                 74.217.0.0/20

Whois Entry

whois: 402603

IANA has recorded AS46852 as originally allocated by 
/usr/bin/whois -h jwhois.apnic.netr "AS46852\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:       46852
             ASName:         IMC-CHICAGO
             ASHandle:       AS46852
             RegDate:        2009-04-03
             Updated:        2025-02-19
             Ref:            https://rdap.arin.net/registry/autnum/46852
             
             
             OrgName:        IMC Markets
             OrgId:          POL-43
             Address:        233 S Wacker Dr STE 4300
             City:           Chicago
             StateProv:      IL
             PostalCode:     60606
             Country:        US
             RegDate:        2024-12-11
             Updated:        2026-03-24
             Ref:            https://rdap.arin.net/registry/entity/POL-43
             
             
             OrgNOCHandle: NAA28-ARIN
             OrgNOCName:   Network Administrators America
             OrgNOCPhone:  +1-312-275-5400 
             OrgNOCEmail:  noc@imc.com
             OrgNOCRef:    https://rdap.arin.net/registry/entity/NAA28-ARIN
             
             OrgTechHandle: NAA28-ARIN
             OrgTechName:   Network Administrators America
             OrgTechPhone:  +1-312-275-5400 
             OrgTechEmail:  noc@imc.com
             OrgTechRef:    https://rdap.arin.net/registry/entity/NAA28-ARIN
             
             OrgAbuseHandle: ANI43-ARIN
             OrgAbuseName:   ABUSE NOC IMC
             OrgAbusePhone:  +31 (0)20 798 8400 
             OrgAbuseEmail:  abuse-noc@imc.com
             OrgAbuseRef:    https://rdap.arin.net/registry/entity/ANI43-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.
             #