Report for 18703

Name

IBMCCH-ASH - IBM, 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 AS4637) 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.

18703 IBMCCH-ASH - IBM

  Adjacency:     1  Upstream:     1  Downstream:     0
  Upstream Adjacent AS list
    AS3356    LEVEL3 Level 3 Communications

Announced Prefixes

Rank  AS       Type    Originate Addr Space  (pfx)   Transit Addr space  (pfx)  Description
9738  AS18703  ORIGIN  Originate:       4096 /20.00  Transit:          0 /0.00  IBMCCH-ASH - IBM

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       %
12465 AS18703 IBMCCH-ASH - IBM                              1      0      0      1      0   0.00%


  Prefix               AS Path                              Aggregation Suggestion
  129.41.32.0/20       4637 3356 18703        

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

AS18703   1 More Specifics   1 Total Advertisements   IBMCCH-ASH - IBM
    129.41.32.0/20                129.41.0.0/16

Whois Entry

whois: 402603

IANA has recorded AS18703 as originally allocated by 
/usr/bin/whois -h jwhois.apnic.netr "AS18703\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:       18703
             ASName:         IBMCCH-ASH
             ASHandle:       AS18703
             RegDate:        2000-10-02
             Updated:        2012-05-30
             Ref:            https://rdap.arin.net/registry/autnum/18703
             
             
             OrgName:        IBM
             OrgId:          IBM-1
             Address:        3039 Cornwallis Road
             City:           Research Triangle Park
             StateProv:      NC
             PostalCode:     27709-2195
             Country:        US
             RegDate:        1992-02-08
             Updated:        2024-11-25
             Ref:            https://rdap.arin.net/registry/entity/IBM-1
             
             
             OrgTechHandle: RAIN-ARIN
             OrgTechName:   Registrar Authority, Internet numbers
             OrgTechPhone:  +1-800-426-7378 
             OrgTechEmail:  ipreg@us.ibm.com
             OrgTechRef:    https://rdap.arin.net/registry/entity/RAIN-ARIN
             
             OrgAbuseHandle: RAIN-ARIN
             OrgAbuseName:   Registrar Authority, Internet numbers
             OrgAbusePhone:  +1-800-426-7378 
             OrgAbuseEmail:  ipreg@us.ibm.com
             OrgAbuseRef:    https://rdap.arin.net/registry/entity/RAIN-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.
             #