Report for 18704

Name

T-SYSTEMS-NA - T-Systems North America, Inc., 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.

18704 T-SYSTEMS-NA - T-Systems North America, Inc., US

  Adjacency:     2  Upstream:     2  Downstream:     0
  Upstream Adjacent AS list
    AS7018          ATT-INTERNET4 - AT&T Enterprises, LLC, US
    AS3356          LEVEL3 - Level 3 Parent, LLC, US

Announced Prefixes

Rank  AS       Type    Originate Addr Space  (pfx)   Transit Addr space  (pfx)  Description
7478  AS18704        ORIGIN  Originate:      17408 /17.91  Transit:          0 /0.00  T-SYSTEMS-NA - T-Systems North America, Inc., 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       %
21456 AS18704       T-SYSTEMS-NA - T-Systems North America, Inc.,      7      2      1      6      1  14.29%


  Prefix               AS Path                              Aggregation Suggestion
  64.43.224.0/19       4777 2497 7018 18704   
  64.43.224.0/19       4777 2516 3356 18704 + Announce - aggregate of 64.43.224.0/20 (4777 2516 3356 18704) and 64.43.240.0/20 (4777 2516 3356 18704)
  64.43.224.0/20       4777 2516 3356 18704 - Withdrawn - aggregated with 64.43.240.0/20 (4777 2516 3356 18704)
  64.43.225.0/24       4777 2497 7018 18704   
  64.43.240.0/20       4777 2516 3356 18704 - Withdrawn - aggregated with 64.43.224.0/20 (4777 2516 3356 18704)
  64.43.245.0/24       4777 2497 3356 18704   
  64.43.251.0/24       4777 2497 3356 18704   
  206.195.113.0/24     4777 2497 3356 18704   

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

AS18704   6 More Specifics   7 Total Advertisements   T-SYSTEMS-NA - T-Systems North America, Inc., US
    64.43.224.0/20                64.43.224.0/19
    64.43.225.0/24                64.43.224.0/19
    64.43.240.0/20                64.43.224.0/19
    64.43.245.0/24                64.43.224.0/19
    64.43.251.0/24                64.43.224.0/19
    206.195.113.0/24              206.195.96.0/19

Whois Entry

whois: 402332

IANA has recorded AS18704 as originally allocated by 
/usr/bin/whois -h jwhois.apnic.netr "AS18704\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:       18704
             ASName:         T-SYSTEMS-NA
             ASHandle:       AS18704
             RegDate:        2001-12-27
             Updated:        2012-02-24
             Ref:            https://rdap.arin.net/registry/autnum/18704
             
             
             OrgName:        T-Systems North America, Inc.
             OrgId:          TNA-26
             Address:        1901 Butterfield Road, Suite 640
             City:           Downers Grove
             StateProv:      IL
             PostalCode:     60515
             Country:        US
             RegDate:        2011-04-25
             Updated:        2024-11-25
             Ref:            https://rdap.arin.net/registry/entity/TNA-26
             
             
             OrgNOCHandle: NETWO4577-ARIN
             OrgNOCName:   Network Team
             OrgNOCPhone:  +1-630-493-8691 
             OrgNOCEmail:  OLedezma@t-systems.com
             OrgNOCRef:    https://rdap.arin.net/registry/entity/NETWO4577-ARIN
             
             OrgTechHandle: NETWO4577-ARIN
             OrgTechName:   Network Team
             OrgTechPhone:  +1-630-493-8691 
             OrgTechEmail:  OLedezma@t-systems.com
             OrgTechRef:    https://rdap.arin.net/registry/entity/NETWO4577-ARIN
             
             OrgAbuseHandle: NETWO4577-ARIN
             OrgAbuseName:   Network Team
             OrgAbusePhone:  +1-630-493-8691 
             OrgAbuseEmail:  OLedezma@t-systems.com
             OrgAbuseRef:    https://rdap.arin.net/registry/entity/NETWO4577-ARIN
             
             OrgRoutingHandle: NETWO4577-ARIN
             OrgRoutingName:   Network Team
             OrgRoutingPhone:  +1-630-493-8691 
             OrgRoutingEmail:  OLedezma@t-systems.com
             OrgRoutingRef:    https://rdap.arin.net/registry/entity/NETWO4577-ARIN
             
             OrgDNSHandle: NETWO4577-ARIN
             OrgDNSName:   Network Team
             OrgDNSPhone:  +1-630-493-8691 
             OrgDNSEmail:  OLedezma@t-systems.com
             OrgDNSRef:    https://rdap.arin.net/registry/entity/NETWO4577-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.
             #