Report for 13630

Name

CSXT-AS-1 - CSX Technology, 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.

13630 CSXT-AS-1, US

  Adjacency:     1  Upstream:     1  Downstream:     0
  Upstream Adjacent AS list
    AS13335         CLOUDFLARENET, US

Announced Prefixes

Rank  AS       Type    Originate Addr Space  (pfx)   Transit Addr space  (pfx)  Description
18267 AS13630        ORIGIN  Originate:       3840 /20.09  Transit:          0 /0.00  CSXT-AS-1, 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       %
 9921 AS13630       CSXT-AS-1, US                                      8      6      2      4      4  50.00%


  Prefix               AS Path                              Aggregation Suggestion
  216.231.208.0/21     7018 13335 13630       
  216.231.216.0/22     7018 13335 13630     + Announce - aggregate of 216.231.216.0/23 (7018 13335 13630) and 216.231.218.0/23 (7018 13335 13630)
  216.231.216.0/24     7018 13335 13630     - Withdrawn - aggregated with 216.231.217.0/24 (7018 13335 13630)
  216.231.217.0/24     7018 13335 13630     - Withdrawn - aggregated with 216.231.216.0/24 (7018 13335 13630)
  216.231.218.0/24     7018 13335 13630     - Withdrawn - aggregated with 216.231.219.0/24 (7018 13335 13630)
  216.231.219.0/24     7018 13335 13630     - Withdrawn - aggregated with 216.231.218.0/24 (7018 13335 13630)
  216.231.221.0/24     7018 13335 13630       
  216.231.222.0/23     7018 13335 13630     + Announce - aggregate of 216.231.222.0/24 (7018 13335 13630) and 216.231.223.0/24 (7018 13335 13630)
  216.231.222.0/24     7018 13335 13630     - Withdrawn - aggregated with 216.231.223.0/24 (7018 13335 13630)
  216.231.223.0/24     7018 13335 13630     - Withdrawn - aggregated with 216.231.222.0/24 (7018 13335 13630)

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

AS13630   4 More Specifics   4 Total Advertisements   CSXT-AS-1, US
    216.231.208.0/21              216.231.208.0/20
    216.231.221.0/24              216.231.208.0/20
    216.231.222.0/24              216.231.208.0/20
    216.231.223.0/24              216.231.208.0/20

Whois Entry

whois: 402590

IANA has recorded AS13630 as originally allocated by 
/usr/bin/whois -h jwhois.apnic.netr "AS13630\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:       13630
             ASName:         CSXT-AS-1
             ASHandle:       AS13630
             RegDate:        1999-07-16
             Updated:        2017-07-26
             Ref:            https://rdap.arin.net/registry/autnum/13630
             
             
             OrgName:        CSX Technology
             OrgId:          CSXTEC
             Address:        550 Water Street
             City:           Jacksonville
             StateProv:      FL
             PostalCode:     32202
             Country:        US
             RegDate:        1990-03-26
             Updated:        2013-04-26
             Ref:            https://rdap.arin.net/registry/entity/CSXTEC
             
             
             OrgAbuseHandle: KAMMD1-ARIN
             OrgAbuseName:   Kamm, Daniel 
             OrgAbusePhone:  +1-904-279-6736 
             OrgAbuseEmail:  hostmaster-ip@csx.com
             OrgAbuseRef:    https://rdap.arin.net/registry/entity/KAMMD1-ARIN
             
             OrgTechHandle: KAMMD1-ARIN
             OrgTechName:   Kamm, Daniel 
             OrgTechPhone:  +1-904-279-6736 
             OrgTechEmail:  hostmaster-ip@csx.com
             OrgTechRef:    https://rdap.arin.net/registry/entity/KAMMD1-ARIN
             
             RTechHandle: KAMMD1-ARIN
             RTechName:   Kamm, Daniel 
             RTechPhone:  +1-904-279-6736 
             RTechEmail:  hostmaster-ip@csx.com
             RTechRef:    https://rdap.arin.net/registry/entity/KAMMD1-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.
             #