Report for 11623

Name

CTCN - CT Communications Network, 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.

11623 CTCN, US

  Adjacency:     1  Upstream:     1  Downstream:     0
  Upstream Adjacent AS list
    AS7106          INDEPENDENTSFIBERNETWORK, US

Announced Prefixes

Rank  AS       Type    Originate Addr Space  (pfx)   Transit Addr space  (pfx)  Description
11384 AS11623        ORIGIN  Originate:       8448 /18.96  Transit:          0 /0.00  CTCN, 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       %
20832 AS11623       CTCN, US                                           3      1      0      2      1  33.33%


  Prefix               AS Path                              Aggregation Suggestion
  65.75.224.0/20       6939 7106 11623        
  67.43.192.0/20       6939 7106 11623        
  67.43.192.0/24       6939 7106 11623      - Withdrawn - matching aggregate 67.43.192.0/20 6939 7106 11623

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

AS11623   2 More Specifics   4 Total Advertisements   CTCN, US
    137.118.152.0/22              137.118.0.0/16
    137.118.232.0/22              137.118.0.0/16

Prefixes added and withdrawn by this origin AS in the past 7 days.

    + 137.118.152.0/22            Announced
    + 137.118.232.0/22            Announced

Whois Entry

whois: 402603

IANA has recorded AS11623 as originally allocated by 
/usr/bin/whois -h jwhois.apnic.netr "AS11623\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:       11623
             ASName:         CTCN
             ASHandle:       AS11623
             RegDate:        1998-10-26
             Updated:        2019-04-03
             Ref:            https://rdap.arin.net/registry/autnum/11623
             
             
             OrgName:        CT Communications Network
             OrgId:          CCN-27
             Address:        126 Scioto Street
             City:           Urbana
             StateProv:      OH
             PostalCode:     43078
             Country:        US
             RegDate:        1998-10-26
             Updated:        2024-06-17
             Ref:            https://rdap.arin.net/registry/entity/CCN-27
             
             
             OrgRoutingHandle: NOC2367-ARIN
             OrgRoutingName:   Network Operations Center
             OrgRoutingPhone:  +1-419-739-3165 
             OrgRoutingEmail:  noc@cniteam.com
             OrgRoutingRef:    https://rdap.arin.net/registry/entity/NOC2367-ARIN
             
             OrgAbuseHandle: NETWO9703-ARIN
             OrgAbuseName:   Network Engineering
             OrgAbusePhone:  +1-937-653-4000 
             OrgAbuseEmail:  engineering@ctcommunications.com
             OrgAbuseRef:    https://rdap.arin.net/registry/entity/NETWO9703-ARIN
             
             OrgAbuseHandle: WRB6-ARIN
             OrgAbuseName:   Barnhart, William Roger
             OrgAbusePhone:  +1-937-653-2233 
             OrgAbuseEmail:  roger@ctcommunications.com
             OrgAbuseRef:    https://rdap.arin.net/registry/entity/WRB6-ARIN
             
             OrgDNSHandle: NOC2367-ARIN
             OrgDNSName:   Network Operations Center
             OrgDNSPhone:  +1-419-739-3165 
             OrgDNSEmail:  noc@cniteam.com
             OrgDNSRef:    https://rdap.arin.net/registry/entity/NOC2367-ARIN
             
             OrgTechHandle: NOC2367-ARIN
             OrgTechName:   Network Operations Center
             OrgTechPhone:  +1-419-739-3165 
             OrgTechEmail:  noc@cniteam.com
             OrgTechRef:    https://rdap.arin.net/registry/entity/NOC2367-ARIN
             
             OrgNOCHandle: NOC2367-ARIN
             OrgNOCName:   Network Operations Center
             OrgNOCPhone:  +1-419-739-3165 
             OrgNOCEmail:  noc@cniteam.com
             OrgNOCRef:    https://rdap.arin.net/registry/entity/NOC2367-ARIN
             
             RTechHandle: WRB6-ARIN
             RTechName:   Barnhart, William Roger
             RTechPhone:  +1-937-653-2233 
             RTechEmail:  roger@ctcommunications.com
             RTechRef:    https://rdap.arin.net/registry/entity/WRB6-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.
             #