Report for 19353

Name

TUASN7 - Trans Union, LLC, 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.

19353 TUASN7 - Trans Union, LLC, US

  Adjacency:     3  Upstream:     3  Downstream:     0
  Upstream Adjacent AS list
    AS7018          ATT-INTERNET4 - AT&T Enterprises, LLC, US
    AS13335         CLOUDFLARENET - Cloudflare, Inc., US
    AS701           UUNET - Verizon Business, US

Announced Prefixes

Rank  AS       Type    Originate Addr Space  (pfx)   Transit Addr space  (pfx)  Description
15871 AS19353        ORIGIN  Originate:       4608 /19.83  Transit:          0 /0.00  TUASN7 - Trans Union, LLC, 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       %
21505 AS19353       TUASN7 - Trans Union, LLC, US                      9      2      1      8      1  11.11%


  Prefix               AS Path                              Aggregation Suggestion
  65.201.27.0/24       4777 13335 19353       
  65.204.34.0/24       4777 13335 19353       
  66.175.240.0/22      4777 2516 701 19353 19353 19353   
  66.175.240.0/22      4777 13335 19353     + Announce - aggregate of 66.175.240.0/23 (4777 13335 19353) and 66.175.242.0/23 (4777 13335 19353)
  66.175.240.0/23      4777 13335 19353     - Withdrawn - aggregated with 66.175.242.0/23 (4777 13335 19353)
  66.175.242.0/23      4777 13335 19353     - Withdrawn - aggregated with 66.175.240.0/23 (4777 13335 19353)
  66.175.244.0/22      4777 2516 701 19353 19353 19353   
  66.175.244.0/23      4777 13335 19353       
  66.175.247.0/24      4777 13335 19353       
  198.47.90.0/24       4777 13335 19353       

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

AS19353   9 More Specifics   9 Total Advertisements   TUASN7 - Trans Union, LLC, US
    65.201.27.0/24                65.192.0.0/11
    65.204.34.0/24                65.192.0.0/11
    66.175.240.0/22               66.175.240.0/20
    66.175.240.0/23               66.175.240.0/20
    66.175.242.0/23               66.175.240.0/20
    66.175.244.0/22               66.175.240.0/20
    66.175.244.0/23               66.175.240.0/20
    66.175.247.0/24               66.175.240.0/20
    198.47.90.0/24                198.47.90.0/23

Whois Entry

whois: 402332

IANA has recorded AS19353 as originally allocated by 
/usr/bin/whois -h jwhois.apnic.netr "AS19353\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:       19353
             ASName:         TUASN7
             ASHandle:       AS19353
             RegDate:        2007-08-10
             Updated:        2012-02-24
             Ref:            https://rdap.arin.net/registry/autnum/19353
             
             
             OrgName:        Trans Union, LLC
             OrgId:          TUL-7
             Address:        555 W. Adams
             City:           Chicago
             StateProv:      IL
             PostalCode:     60661
             Country:        US
             RegDate:        2007-06-06
             Updated:        2026-03-11
             Ref:            https://rdap.arin.net/registry/entity/TUL-7
             
             
             OrgAbuseHandle: NETWO10022-ARIN
             OrgAbuseName:   Network Operations
             OrgAbusePhone:  +1-312-985-4362 
             OrgAbuseEmail:  PDLNETWORKOPS@transunion.com
             OrgAbuseRef:    https://rdap.arin.net/registry/entity/NETWO10022-ARIN
             
             OrgTechHandle: PLATT78-ARIN
             OrgTechName:   Platt, Daniel 
             OrgTechPhone:  +1-833-806-1627 
             OrgTechEmail:  daniel.platt@transunion.com
             OrgTechRef:    https://rdap.arin.net/registry/entity/PLATT78-ARIN
             
             OrgTechHandle: CALDE247-ARIN
             OrgTechName:   Calderon, Andrey 
             OrgTechPhone:  +1-888-888-8888 
             OrgTechEmail:  andrey.calderon@transunion.com
             OrgTechRef:    https://rdap.arin.net/registry/entity/CALDE247-ARIN
             
             OrgTechHandle: TIQ-ARIN
             OrgTechName:   Iqbal, Tariq 
             OrgTechPhone:  +1-773-858-8166 
             OrgTechEmail:  tiqbal@transunion.com
             OrgTechRef:    https://rdap.arin.net/registry/entity/TIQ-ARIN
             
             OrgAbuseHandle: GOC10-ARIN
             OrgAbuseName:   GOC
             OrgAbusePhone:  +1-312-985-4362 
             OrgAbuseEmail:  GOC@transunion.com
             OrgAbuseRef:    https://rdap.arin.net/registry/entity/GOC10-ARIN
             
             OrgTechHandle: NETWO10022-ARIN
             OrgTechName:   Network Operations
             OrgTechPhone:  +1-312-985-4362 
             OrgTechEmail:  PDLNETWORKOPS@transunion.com
             OrgTechRef:    https://rdap.arin.net/registry/entity/NETWO10022-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.
             #