Report for 393906

Name

TRANSWORLDSYSTEMS - TSI, 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.

393906 TRANSWORLDSYSTEMS - TSI, US

  Adjacency:     1  Upstream:     1  Downstream:     0
  Upstream Adjacent AS list
    AS23005         SWITCH-LTD - SWITCH, LTD, US

Announced Prefixes

Rank  AS       Type    Originate Addr Space  (pfx)   Transit Addr space  (pfx)  Description
29837 AS393906       ORIGIN  Originate:       1792 /21.19  Transit:          0 /0.00  TRANSWORLDSYSTEMS - TSI, 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       %
74133 AS393906      TRANSWORLDSYSTEMS - TSI, US                        6      0      0      6      0   0.00%


  Prefix               AS Path                              Aggregation Suggestion
  172.81.92.0/24       4777 2497 3356 23005 393906 393906 393906 393906 393906   
  172.81.93.0/24       4777 2516 1299 23005 393906 393906   
  172.81.94.0/24       4777 2497 3356 23005 393906 393906 393906 393906 393906   
  198.153.238.0/23     4777 2497 3356 23005 393906 393906 393906 393906 393906   
  198.153.238.0/24     4777 2516 1299 23005 393906 393906   
  198.153.241.0/24     4777 2516 1299 23005 393906 393906   

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

AS393906   2 More Specifics   6 Total Advertisements   TRANSWORLDSYSTEMS - TSI, US
    198.153.238.0/24              198.153.238.0/23
    198.153.241.0/24              198.153.240.0/23

Bogus Prefixes Announced by this AS

Prefix	Origin AS	AS Description	Unallocated block
172.81.92.0/24	AS393906	TRANSWORLDSYSTEMS - TSI, US	172.81.92.0 - 172.81.95.255
172.81.93.0/24	AS393906	TRANSWORLDSYSTEMS - TSI, US	172.81.92.0 - 172.81.95.255
172.81.94.0/24	AS393906	TRANSWORLDSYSTEMS - TSI, US	172.81.92.0 - 172.81.95.255

Whois Entry

whois: 402603

IANA has recorded AS393906 as originally allocated by 
/usr/bin/whois -h jwhois.apnic.netr "AS393906\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:       393906
             ASName:         TRANSWORLDSYSTEMS
             ASHandle:       AS393906
             RegDate:        2015-04-21
             Updated:        2015-04-21
             Ref:            https://rdap.arin.net/registry/autnum/393906
             
             
             OrgName:        TSI
             OrgId:          TS-423
             Address:        150 N. Field Drive
             Address:        Two Conway Park, Suite 200
             City:           Lake Forest
             StateProv:      IL
             PostalCode:     60045
             Country:        US
             RegDate:        2015-03-05
             Updated:        2024-07-05
             Ref:            https://rdap.arin.net/registry/entity/TS-423
             
             
             OrgNOCHandle: TNT1-ARIN
             OrgNOCName:   TSI Network Team
             OrgNOCPhone:  +1-215-441-3000 
             OrgNOCEmail:  networkteam@tsico.com
             OrgNOCRef:    https://rdap.arin.net/registry/entity/TNT1-ARIN
             
             OrgAbuseHandle: TNT1-ARIN
             OrgAbuseName:   TSI Network Team
             OrgAbusePhone:  +1-215-441-3000 
             OrgAbuseEmail:  networkteam@tsico.com
             OrgAbuseRef:    https://rdap.arin.net/registry/entity/TNT1-ARIN
             
             OrgTechHandle: TNT1-ARIN
             OrgTechName:   TSI Network Team
             OrgTechPhone:  +1-215-441-3000 
             OrgTechEmail:  networkteam@tsico.com
             OrgTechRef:    https://rdap.arin.net/registry/entity/TNT1-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.
             #