Report for 62523

Name

CIRBN-LLC - CIRBN, 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.

62523 CIRBN-LLC - CIRBN, LLC, US

  Adjacency:     8  Upstream:     2  Downstream:     6
  Upstream Adjacent AS list
    AS3257          GTT-BACKBONE GTT, US
    AS6939          HURRICANE - Hurricane Electric LLC, US
  Downstream Adjacent AS list
    AS1420          STL-C9D - STL OFFICE SOLUTIONS, INC., US
    AS26875         HBT-AS-01 - Heartland Bank and Trust Company, US
    AS40642         IWU-2017-01 - ILLINOIS WESLEYAN UNIVERSITY, US
    AS40121         MAXWIRE-001 - MAXWIRE, INC., US
    AS7386          ILLINOIS-STATE-UNIV - Illinois State University, US
    AS399440        AS-HEARTLANDFIBER - Heartland Fiber, Inc., US

Announced Prefixes

Rank  AS       Type    Originate Addr Space  (pfx)   Transit Addr space  (pfx)  Description
7678  AS62523        ORG+TRN Originate:      16640 /17.98  Transit:      71424 /15.88 CIRBN-LLC - CIRBN, 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       %
10493 AS62523       CIRBN-LLC - CIRBN, LLC, US                        18      6      2     14      4  22.22%


  Prefix               AS Path                              Aggregation Suggestion
  38.89.244.0/22       4777 6939 62523        
  64.150.64.0/24       4777 6939 62523        
  76.78.250.0/24       4777 6939 62523        
  107.152.0.0/20       4777 6939 62523        
  158.222.16.0/22      4777 6939 62523        
  158.222.20.0/23      4777 2497 3257 62523 + Announce - aggregate of 158.222.20.0/24 (4777 2497 3257 62523) and 158.222.21.0/24 (4777 2497 3257 62523)
  158.222.20.0/24      4777 2497 3257 62523 - Withdrawn - aggregated with 158.222.21.0/24 (4777 2497 3257 62523)
  158.222.21.0/24      4777 2497 3257 62523 - Withdrawn - aggregated with 158.222.20.0/24 (4777 2497 3257 62523)
  158.222.22.0/24      4777 2497 3257 62523   
  162.222.8.0/21       4777 6939 62523        
  199.38.32.0/20       4777 6939 62523        
  216.124.156.0/22     4777 6939 62523        
  216.125.236.0/22     4777 6939 62523      + Announce - aggregate of 216.125.236.0/23 (4777 6939 62523) and 216.125.238.0/23 (4777 6939 62523)
  216.125.236.0/24     4777 6939 62523      - Withdrawn - aggregated with 216.125.237.0/24 (4777 6939 62523)
  216.125.237.0/24     4777 6939 62523      - Withdrawn - aggregated with 216.125.236.0/24 (4777 6939 62523)
  216.125.238.0/24     4777 6939 62523      - Withdrawn - aggregated with 216.125.239.0/24 (4777 6939 62523)
  216.125.239.0/24     4777 6939 62523      - Withdrawn - aggregated with 216.125.238.0/24 (4777 6939 62523)
  216.125.243.0/24     4777 6939 62523        
  216.125.244.0/23     4777 6939 62523        
  216.125.246.0/24     4777 6939 62523        

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

AS62523   15 More Specifics   18 Total Advertisements   CIRBN-LLC - CIRBN, LLC, US
    38.89.244.0/22                38.0.0.0/8
    64.150.64.0/24                64.150.0.0/17
    76.78.250.0/24                76.78.0.0/16
    158.222.16.0/22               158.222.16.0/20
    158.222.20.0/24               158.222.16.0/20
    158.222.21.0/24               158.222.16.0/20
    158.222.22.0/24               158.222.16.0/20
    216.124.156.0/22              216.124.0.0/15
    216.125.236.0/24              216.124.0.0/15
    216.125.237.0/24              216.124.0.0/15
    216.125.238.0/24              216.124.0.0/15
    216.125.239.0/24              216.124.0.0/15
    216.125.243.0/24              216.124.0.0/15
    216.125.244.0/23              216.124.0.0/15
    216.125.246.0/24              216.124.0.0/15

Whois Entry

whois: 402332

IANA has recorded AS62523 as originally allocated by 
/usr/bin/whois -h jwhois.apnic.netr "AS62523\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:       62523
             ASName:         CIRBN-LLC
             ASHandle:       AS62523
             RegDate:        2013-06-21
             Updated:        2013-06-21
             Ref:            https://rdap.arin.net/registry/autnum/62523
             
             
             OrgName:        CIRBN, LLC
             OrgId:          CL-214
             Address:        200 W Front Street
             Address:        Suite 500A
             City:           Bloomington
             StateProv:      IL
             PostalCode:     61701
             Country:        US
             RegDate:        2013-04-08
             Updated:        2022-01-04
             Ref:            https://rdap.arin.net/registry/entity/CL-214
             
             
             OrgDNSHandle: DLB152-ARIN
             OrgDNSName:   Barker, Derek L
             OrgDNSPhone:  +1-309-605-0102 
             OrgDNSEmail:  dbarker@cirbn.org
             OrgDNSRef:    https://rdap.arin.net/registry/entity/DLB152-ARIN
             
             OrgDNSHandle: CTS22-ARIN
             OrgDNSName:   CIRBN Technical Staff
             OrgDNSPhone:  +1-309-820-7321 
             OrgDNSEmail:  internalsupport@cirbn.org
             OrgDNSRef:    https://rdap.arin.net/registry/entity/CTS22-ARIN
             
             OrgAbuseHandle: CAC86-ARIN
             OrgAbuseName:   CIRBN Abuse Contact
             OrgAbusePhone:  +1-309-820-7321 
             OrgAbuseEmail:  abuse@cirbn.org
             OrgAbuseRef:    https://rdap.arin.net/registry/entity/CAC86-ARIN
             
             OrgTechHandle: DLB152-ARIN
             OrgTechName:   Barker, Derek L
             OrgTechPhone:  +1-309-605-0102 
             OrgTechEmail:  dbarker@cirbn.org
             OrgTechRef:    https://rdap.arin.net/registry/entity/DLB152-ARIN
             
             OrgRoutingHandle: DLB152-ARIN
             OrgRoutingName:   Barker, Derek L
             OrgRoutingPhone:  +1-309-605-0102 
             OrgRoutingEmail:  dbarker@cirbn.org
             OrgRoutingRef:    https://rdap.arin.net/registry/entity/DLB152-ARIN
             
             OrgNOCHandle: DLB152-ARIN
             OrgNOCName:   Barker, Derek L
             OrgNOCPhone:  +1-309-605-0102 
             OrgNOCEmail:  dbarker@cirbn.org
             OrgNOCRef:    https://rdap.arin.net/registry/entity/DLB152-ARIN
             
             OrgAbuseHandle: DLB152-ARIN
             OrgAbuseName:   Barker, Derek L
             OrgAbusePhone:  +1-309-605-0102 
             OrgAbuseEmail:  dbarker@cirbn.org
             OrgAbuseRef:    https://rdap.arin.net/registry/entity/DLB152-ARIN
             
             OrgRoutingHandle: CTS22-ARIN
             OrgRoutingName:   CIRBN Technical Staff
             OrgRoutingPhone:  +1-309-820-7321 
             OrgRoutingEmail:  internalsupport@cirbn.org
             OrgRoutingRef:    https://rdap.arin.net/registry/entity/CTS22-ARIN
             
             OrgTechHandle: CTS22-ARIN
             OrgTechName:   CIRBN Technical Staff
             OrgTechPhone:  +1-309-820-7321 
             OrgTechEmail:  internalsupport@cirbn.org
             OrgTechRef:    https://rdap.arin.net/registry/entity/CTS22-ARIN
             
             OrgNOCHandle: CTS22-ARIN
             OrgNOCName:   CIRBN Technical Staff
             OrgNOCPhone:  +1-309-820-7321 
             OrgNOCEmail:  internalsupport@cirbn.org
             OrgNOCRef:    https://rdap.arin.net/registry/entity/CTS22-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.
             #