Report for 25993

Name

ATT-LABS-AUSTIN-TX - AT&T Enterprises, 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.

25993 ATT-LABS-AUSTIN-TX - AT&T Enterprises, LLC, US

  Adjacency:     2  Upstream:     1  Downstream:     1
  Upstream Adjacent AS list
    AS7018          ATT-INTERNET4 - AT&T Enterprises, LLC, US
  Downstream Adjacent AS list
    AS5671          PBI-NET-BLK - AT&T Enterprises, LLC, US

Announced Prefixes

Rank  AS       Type    Originate Addr Space  (pfx)   Transit Addr space  (pfx)  Description
4569  AS25993        ORG+TRN Originate:      44544 /16.56  Transit:        256 /24.00 ATT-LABS-AUSTIN-TX - AT&T Enterprises, 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       %
12444 AS25993       ATT-LABS-AUSTIN-TX - AT&T Enterprises, LLC, U     22      4      1     19      3  13.64%


  Prefix               AS Path                              Aggregation Suggestion
  64.123.22.0/24       4777 2497 7018 25993   
  108.79.160.0/20      4777 2497 7018 25993   
  144.60.0.0/21        4777 2497 7018 25993   
  144.60.9.0/24        4777 2497 7018 25993   
  144.60.10.0/23       4777 2497 7018 25993   
  144.60.12.0/22       4777 2497 7018 25993   
  144.60.16.0/20       4777 2497 7018 25993   
  144.60.32.0/19       4777 2497 7018 25993   
  144.60.64.0/19       4777 2497 7018 25993   
  144.60.96.0/23       4777 2497 7018 25993   
  144.60.98.0/24       4777 2497 7018 25993   
  144.60.112.0/22      4777 2497 7018 25993   
  144.60.116.0/23      4777 2497 7018 25993   
  144.60.124.0/22      4777 2497 7018 25993   
  144.60.128.0/21      4777 2497 7018 25993   
  144.60.190.0/23      4777 2497 7018 25993 + Announce - aggregate of 144.60.190.0/24 (4777 2497 7018 25993) and 144.60.191.0/24 (4777 2497 7018 25993)
  144.60.190.0/24      4777 2497 7018 25993 - Withdrawn - aggregated with 144.60.191.0/24 (4777 2497 7018 25993)
  144.60.191.0/24      4777 2497 7018 25993 - Withdrawn - aggregated with 144.60.190.0/24 (4777 2497 7018 25993)
  144.60.192.0/19      4777 2497 7018 25993   
  144.60.200.0/22      4777 2497 7018 25993 - Withdrawn - matching aggregate 144.60.192.0/19 4777 2497 7018 25993
  144.60.209.0/24      4777 2497 7018 25993 - Withdrawn - matching aggregate 144.60.192.0/19 4777 2497 7018 25993
  205.173.58.0/24      4777 2497 7018 25993   
  209.64.7.0/24        4777 2497 7018 25993   

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

AS25993   22 More Specifics   22 Total Advertisements   ATT-LABS-AUSTIN-TX - AT&T Enterprises, LLC, US
    64.123.22.0/24                64.123.0.0/16
    108.79.160.0/20               108.64.0.0/11
    144.60.0.0/21                 144.60.0.0/16
    144.60.9.0/24                 144.60.0.0/16
    144.60.10.0/23                144.60.0.0/16
    144.60.12.0/22                144.60.0.0/16
    144.60.16.0/20                144.60.0.0/16
    144.60.32.0/19                144.60.0.0/16
    144.60.64.0/19                144.60.0.0/16
    144.60.96.0/23                144.60.0.0/16
    144.60.98.0/24                144.60.0.0/16
    144.60.112.0/22               144.60.0.0/16
    144.60.116.0/23               144.60.0.0/16
    144.60.124.0/22               144.60.0.0/16
    144.60.128.0/21               144.60.0.0/16
    144.60.190.0/24               144.60.0.0/16
    144.60.191.0/24               144.60.0.0/16
    144.60.192.0/19               144.60.0.0/16
    144.60.200.0/22               144.60.0.0/16
    144.60.209.0/24               144.60.0.0/16
    205.173.58.0/24               205.173.56.0/21
    209.64.7.0/24                 209.64.0.0/15

Whois Entry

whois: 402613

IANA has recorded AS25993 as originally allocated by 
/usr/bin/whois -h jwhois.apnic.netr "AS25993\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:       25993
             ASName:         ATT-LABS-AUSTIN-TX
             ASHandle:       AS25993
             RegDate:        2002-06-12
             Updated:        2025-03-18
             Ref:            https://rdap.arin.net/registry/autnum/25993
             
             
             
             OrgName:        AT&T Enterprises, LLC
             OrgId:          AEL-360
             Address:        208 S. Akard St.
             City:           Dallas
             StateProv:      TX
             PostalCode:     75202
             Country:        US
             RegDate:        2024-11-22
             Updated:        2026-06-05
             Ref:            https://rdap.arin.net/registry/entity/AEL-360
             
             
             OrgAbuseHandle: ABUSE7-ARIN
             OrgAbuseName:   abuse
             OrgAbusePhone:  +1-919-319-8167 
             OrgAbuseEmail:  abuse@att.net
             OrgAbuseRef:    https://rdap.arin.net/registry/entity/ABUSE7-ARIN
             
             OrgRoutingHandle: ROUTI59-ARIN
             OrgRoutingName:   Routing POC
             OrgRoutingPhone:  +1-999-999-9999 
             OrgRoutingEmail:  routing_poc@att.com
             OrgRoutingRef:    https://rdap.arin.net/registry/entity/ROUTI59-ARIN
             
             OrgTechHandle: ICC-ARIN
             OrgTechName:   IP Team
             OrgTechPhone:  +1-888-876-2382 
             OrgTechEmail:  rm-ipspecialist@att.com
             OrgTechRef:    https://rdap.arin.net/registry/entity/ICC-ARIN
             
             OrgTechHandle: ZS44-ARIN
             OrgTechName:   IPAdmin-ATT Internet Services
             OrgTechPhone:  +1-888-510-5545 
             OrgTechEmail:  ipadmin@att.com
             OrgTechRef:    https://rdap.arin.net/registry/entity/ZS44-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.
             #