Report for 5671

Name

PBI-NET-BLK - 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 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.

5671 PBI-NET-BLK, US

  Adjacency:     2  Upstream:     2  Downstream:     0
  Upstream Adjacent AS list
    AS25993         ATT-LABS-AUSTIN-TX, US
    AS7287          PBI-NET-BLK2, US

Announced Prefixes

Rank  AS       Type    Originate Addr Space  (pfx)   Transit Addr space  (pfx)  Description
8983  AS5671         ORIGIN  Originate:      12800 /18.36  Transit:          0 /0.00  PBI-NET-BLK, 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       %
15693 AS5671        PBI-NET-BLK, US                                    4      2      0      2      2  50.00%


  Prefix               AS Path                              Aggregation Suggestion
  66.143.174.0/24      7018 25993 5671        
  198.225.128.0/19     7018 7287 5671         
  198.225.144.0/20     7018 7287 5671       - Withdrawn - matching aggregate 198.225.128.0/19 7018 7287 5671
  198.225.158.0/24     7018 7287 5671       - Withdrawn - matching aggregate 198.225.128.0/19 7018 7287 5671

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

AS5671   4 More Specifics   4 Total Advertisements   PBI-NET-BLK, US
    66.143.174.0/24               66.136.0.0/13
    198.225.128.0/19              198.225.0.0/16
    198.225.144.0/20              198.225.0.0/16
    198.225.158.0/24              198.225.0.0/16

Whois Entry

whois: 402590

IANA has recorded AS5671 as originally allocated by 
/usr/bin/whois -h jwhois.apnic.netr "AS5671\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:       5671 - 5681
             ASName:         PBI-NET-BLK
             ASHandle:       AS5671
             RegDate:        1995-08-10
             Updated:        2024-12-05
             Ref:            https://rdap.arin.net/registry/autnum/5671
             
             
             
             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:        2025-10-29
             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.
             #