Report for 23087

Name

CDG - Communications Data Group, 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.

23087 CDG - Communications Data Group, US

  Adjacency:     1  Upstream:     1  Downstream:     0
  Upstream Adjacent AS list
    AS18671         PRTC-SC - PRTC, US

Announced Prefixes

Rank  AS       Type    Originate Addr Space  (pfx)   Transit Addr space  (pfx)  Description
60084 AS23087        ORIGIN  Originate:        256 /24.00  Transit:          0 /0.00  CDG - Communications Data Group, 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       %
36451 AS23087       CDG - Communications Data Group, US                1      0      0      1      0   0.00%


  Prefix               AS Path                              Aggregation Suggestion
  12.31.127.0/24       4608 7575 1299 2711 18671 23087   

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

AS23087   1 More Specifics   1 Total Advertisements   CDG - Communications Data Group, US
    12.31.127.0/24                12.0.0.0/8

Whois Entry

whois: 402603

IANA has recorded AS23087 as originally allocated by 
/usr/bin/whois -h jwhois.apnic.netr "AS23087\n             
             #
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             # 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.
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             ASNumber:       23087
             ASName:         CDG
             ASHandle:       AS23087
             RegDate:        2002-01-17
             Updated:        2015-11-09
             Ref:            https://rdap.arin.net/registry/autnum/23087
             
             
             OrgName:        Communications Data Group
             OrgId:          CDG
             Address:        102 South Duncan Road
             City:           Champaign
             StateProv:      IL
             PostalCode:     61822
             Country:        US
             RegDate:        2000-10-17
             Updated:        2015-11-09
             Ref:            https://rdap.arin.net/registry/entity/CDG
             
             
             OrgNOCHandle: MCWET-ARIN
             OrgNOCName:   McWethy, Mike 
             OrgNOCPhone:  +1-217-355-8400 
             OrgNOCEmail:  mikem@cdg.ws
             OrgNOCRef:    https://rdap.arin.net/registry/entity/MCWET-ARIN
             
             OrgTechHandle: MCWET-ARIN
             OrgTechName:   McWethy, Mike 
             OrgTechPhone:  +1-217-355-8400 
             OrgTechEmail:  mikem@cdg.ws
             OrgTechRef:    https://rdap.arin.net/registry/entity/MCWET-ARIN
             
             OrgAbuseHandle: MCWET-ARIN
             OrgAbuseName:   McWethy, Mike 
             OrgAbusePhone:  +1-217-355-8400 
             OrgAbuseEmail:  mikem@cdg.ws
             OrgAbuseRef:    https://rdap.arin.net/registry/entity/MCWET-ARIN
             
             RTechHandle: MCWET-ARIN
             RTechName:   McWethy, Mike 
             RTechPhone:  +1-217-355-8400 
             RTechEmail:  mikem@cdg.ws
             RTechRef:    https://rdap.arin.net/registry/entity/MCWET-ARIN
             
             RNOCHandle: MCWET-ARIN
             RNOCName:   McWethy, Mike 
             RNOCPhone:  +1-217-355-8400 
             RNOCEmail:  mikem@cdg.ws
             RNOCRef:    https://rdap.arin.net/registry/entity/MCWET-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.
             #