Report for 6383

Name

BELLSOUTH-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 AS4637) 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.

6383 BELLSOUTH-NET-BLK - BellSouth.net Inc.

  Adjacency:     6  Upstream:     1  Downstream:     5
  Upstream Adjacent AS list
    AS6389    BELLSOUTH-NET-BLK - BellSouth.net Inc.
  Downstream Adjacent AS list
    AS11725   MUELLER-NET - Mueller Industries, Inc.
    AS14048   MEMPHIS-EDU - The University of Memphis
    AS31830   SPCORPNETS - Schering-Plough Corporation
    AS30257   GEMC - Gibson Electric Membership Corporation
    AS23509   INVLOCSVC - Inventory Locator Service, LLC

Announced Prefixes

Rank  AS       Type    Originate Addr Space  (pfx)   Transit Addr space  (pfx)  Description
652   AS6383   ORG+TRN Originate:     313600 /13.74  Transit:      70656 /15.89 BELLSOUTH-NET-BLK - BellSouth.net Inc.

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       %
  518 AS6383  BELLSOUTH-NET-BLK - BellSouth.net Inc.       98     30      3     71     27  27.55%


  Prefix               AS Path                              Aggregation Suggestion
  65.4.192.0/18        4637 6389 6383         
  65.6.208.0/21        4637 6389 6383         
  65.6.216.0/22        4637 6389 6383         
  65.7.32.0/19         4637 6389 6383         
  65.13.96.0/21        4637 6389 6383         
  65.14.62.0/23        4637 6389 6383         
  65.14.62.0/24        4637 6389 6383       - Withdrawn - matching aggregate 65.14.62.0/23 4637 6389 6383
  65.14.63.0/24        4637 6389 6383       - Withdrawn - matching aggregate 65.14.62.0/23 4637 6389 6383
  65.14.152.0/22       4637 6389 6383         
  65.14.154.0/23       4637 6389 6383       - Withdrawn - matching aggregate 65.14.152.0/22 4637 6389 6383
  65.15.160.0/20       4637 6389 6383         
  65.81.104.0/22       4637 6389 6383         
  65.82.20.0/22        4637 6389 6383         
  65.83.64.0/22        4637 6389 6383         
  65.83.66.0/23        4637 6389 6383       - Withdrawn - matching aggregate 65.83.64.0/22 4637 6389 6383
  66.20.84.0/22        4637 6389 6383         
  66.20.88.0/21        4637 6389 6383         
  66.21.60.0/22        4637 6389 6383         
  66.21.126.0/23       4637 6389 6383         
  66.21.192.0/19       4637 6389 6383         
  67.33.48.0/21        4637 6389 6383         
  68.18.192.0/19       4637 6389 6383         
  68.152.76.0/23       4637 6389 6383         
  68.152.200.0/22      4637 6389 6383         
  68.152.202.0/24      4637 6389 6383       - Withdrawn - matching aggregate 68.152.200.0/22 4637 6389 6383
  68.153.84.0/22       4637 6389 6383         
  68.153.84.0/23       4637 6389 6383       - Withdrawn - matching aggregate 68.153.84.0/22 4637 6389 6383
  68.153.86.0/24       4637 6389 6383       - Withdrawn - matching aggregate 68.153.84.0/22 4637 6389 6383
  68.153.100.0/22      4637 6389 6383         
  68.153.102.0/24      4637 6389 6383       - Withdrawn - matching aggregate 68.153.100.0/22 4637 6389 6383
  68.156.48.0/22       4637 6389 6383         
  68.157.232.0/21      4637 6389 6383         
  68.208.202.0/24      4637 6389 6383         
  68.209.224.0/22      4637 6389 6383         
  68.213.56.0/21       4637 6389 6383       + Announce - aggregate of 68.213.56.0/22 (4637 6389 6383) and 68.213.60.0/22 (4637 6389 6383)
  68.213.56.0/22       4637 6389 6383       - Withdrawn - aggregated with 68.213.60.0/22 (4637 6389 6383)
  68.213.60.0/22       4637 6389 6383       - Withdrawn - aggregated with 68.213.56.0/22 (4637 6389 6383)
  68.216.124.0/22      4637 6389 6383         
  68.216.124.0/23      4637 6389 6383       - Withdrawn - matching aggregate 68.216.124.0/22 4637 6389 6383
  68.216.125.0/24      4637 6389 6383       - Withdrawn - matching aggregate 68.216.124.0/22 4637 6389 6383
  68.216.160.0/21      4637 6389 6383         
  68.216.163.0/24      4637 6389 6383       - Withdrawn - matching aggregate 68.216.160.0/21 4637 6389 6383
  68.221.128.0/19      4637 6389 6383         
  70.145.128.0/20      4637 6389 6383         
  70.145.192.0/20      4637 6389 6383         
  70.146.160.0/19      4637 6389 6383         
  70.150.52.0/22       4637 6389 6383         
  70.151.84.0/22       4637 6389 6383         
  70.151.87.0/24       4637 6389 6383       - Withdrawn - matching aggregate 70.151.84.0/22 4637 6389 6383
  70.154.112.0/20      4637 6389 6383         
  70.156.32.0/19       4637 6389 6383         
  70.158.36.0/22       4637 6389 6383         
  70.158.232.0/22      4637 6389 6383         
  72.151.144.0/20      4637 6389 6383         
  72.155.192.0/19      4637 6389 6383         
  74.168.0.0/19        4637 6389 6383         
  74.170.64.0/19       4637 6389 6383         
  74.185.160.0/19      4637 6389 6383         
  74.226.64.0/18       4637 6389 6383         
  74.228.240.0/20      4637 6389 6383         
  74.237.192.0/19      4637 6389 6383         
  74.238.192.0/19      4637 6389 6383         
  74.250.0.0/18        4637 6389 6383         
  74.254.128.0/20      4637 6389 6383         
  74.254.132.0/23      4637 6389 6383       - Withdrawn - matching aggregate 74.254.128.0/20 4637 6389 6383
  74.254.135.0/24      4637 6389 6383       - Withdrawn - matching aggregate 74.254.128.0/20 4637 6389 6383
  74.254.138.0/24      4637 6389 6383       - Withdrawn - matching aggregate 74.254.128.0/20 4637 6389 6383
  74.254.143.0/24      4637 6389 6383       - Withdrawn - matching aggregate 74.254.128.0/20 4637 6389 6383
  74.255.160.0/19      4637 6389 6383         
  74.255.160.0/21      4637 6389 6383       - Withdrawn - matching aggregate 74.255.160.0/19 4637 6389 6383
  74.255.169.0/24      4637 6389 6383       - Withdrawn - matching aggregate 74.255.160.0/19 4637 6389 6383
  167.29.0.0/16        4637 6389 6383         
  199.254.137.0/24     4637 6389 6383         
  205.152.96.0/23      4637 6389 6383       + Announce - aggregate of 205.152.96.0/24 (4637 6389 6383) and 205.152.97.0/24 (4637 6389 6383)
  205.152.96.0/24      4637 6389 6383       - Withdrawn - aggregated with 205.152.97.0/24 (4637 6389 6383)
  205.152.97.0/24      4637 6389 6383       - Withdrawn - aggregated with 205.152.96.0/24 (4637 6389 6383)
  205.152.228.0/24     4637 6389 6383         
  205.152.246.0/24     4637 6389 6383         
  207.203.176.0/20     4637 6389 6383         
  208.60.64.0/22       4637 6389 6383         
  208.62.148.0/22      4637 6389 6383         
  208.63.99.0/24       4637 6389 6383         
  208.63.100.0/23      4637 6389 6383         
  208.63.102.0/24      4637 6389 6383         
  208.63.160.0/19      4637 6389 6383       + Announce - aggregate of 208.63.160.0/20 (4637 6389 6383) and 208.63.176.0/20 (4637 6389 6383)
  208.63.160.0/20      4637 6389 6383       - Withdrawn - aggregated with 208.63.176.0/20 (4637 6389 6383)
  208.63.176.0/21      4637 6389 6383       - Withdrawn - aggregated with 208.63.184.0/21 (4637 6389 6383)
  208.63.184.0/21      4637 6389 6383       - Withdrawn - aggregated with 208.63.176.0/21 (4637 6389 6383)
  209.214.198.0/23     4637 6389 6383         
  209.215.80.0/23      4637 6389 6383         
  209.215.80.0/24      4637 6389 6383       - Withdrawn - matching aggregate 209.215.80.0/23 4637 6389 6383
  209.215.81.0/24      4637 6389 6383       - Withdrawn - matching aggregate 209.215.80.0/23 4637 6389 6383
  209.215.106.0/23     4637 6389 6383         
  209.215.197.0/24     4637 6389 6383         
  209.215.229.0/24     4637 6389 6383         
  216.76.2.0/23        4637 6389 6383         
  216.76.2.0/24        4637 6389 6383       - Withdrawn - matching aggregate 216.76.2.0/23 4637 6389 6383
  216.76.3.0/24        4637 6389 6383       - Withdrawn - matching aggregate 216.76.2.0/23 4637 6389 6383
  216.77.64.0/22       4637 6389 6383         
  216.77.65.0/24       4637 6389 6383       - Withdrawn - matching aggregate 216.77.64.0/22 4637 6389 6383
  216.79.64.0/22       4637 6389 6383         

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

AS6383   94 More Specifics   96 Total Advertisements   BELLSOUTH-NET-BLK - BellSouth.net Inc.
    65.4.192.0/18                 65.0.0.0/12
    65.6.208.0/21                 65.0.0.0/12
    65.6.216.0/22                 65.0.0.0/12
    65.7.32.0/19                  65.0.0.0/12
    65.13.96.0/21                 65.0.0.0/12
    65.14.62.0/24                 65.0.0.0/12
    65.14.63.0/24                 65.0.0.0/12
    65.14.152.0/22                65.0.0.0/12
    65.14.154.0/23                65.0.0.0/12
    65.15.160.0/20                65.0.0.0/12
    65.81.104.0/22                65.80.0.0/14
    65.82.20.0/22                 65.80.0.0/14
    65.83.64.0/22                 65.80.0.0/14
    65.83.66.0/23                 65.80.0.0/14
    65.83.66.0/24                 65.80.0.0/14
    66.20.84.0/22                 66.20.0.0/15
    66.20.88.0/21                 66.20.0.0/15
    66.21.126.0/23                66.20.0.0/15
    66.21.192.0/19                66.20.0.0/15
    67.33.48.0/21                 67.32.0.0/14
    68.18.192.0/19                68.16.0.0/14
    68.152.76.0/23                68.152.0.0/13
    68.152.200.0/22               68.152.0.0/13
    68.152.202.0/24               68.152.0.0/13
    68.153.84.0/22                68.152.0.0/13
    68.153.84.0/23                68.152.0.0/13
    68.153.86.0/24                68.152.0.0/13
    68.153.100.0/22               68.152.0.0/13
    68.153.102.0/24               68.152.0.0/13
    68.156.48.0/22                68.152.0.0/13
    68.157.232.0/21               68.152.0.0/13
    68.208.202.0/24               68.208.0.0/12
    68.209.224.0/22               68.208.0.0/12
    68.213.56.0/22                68.208.0.0/12
    68.213.60.0/22                68.208.0.0/12
    68.216.124.0/22               68.208.0.0/12
    68.216.124.0/23               68.208.0.0/12
    68.216.125.0/24               68.208.0.0/12
    68.216.160.0/21               68.208.0.0/12
    68.216.163.0/24               68.208.0.0/12
    68.221.128.0/19               68.208.0.0/12
    70.145.128.0/20               70.144.0.0/12
    70.145.192.0/20               70.144.0.0/12
    70.146.160.0/19               70.144.0.0/12
    70.150.52.0/22                70.144.0.0/12
    70.151.84.0/22                70.144.0.0/12
    70.151.87.0/24                70.144.0.0/12
    70.154.112.0/20               70.144.0.0/12
    70.156.32.0/19                70.144.0.0/12
    70.158.36.0/22                70.144.0.0/12
    70.158.232.0/22               70.144.0.0/12
    72.151.144.0/20               72.144.0.0/12
    72.155.192.0/19               72.144.0.0/12
    74.168.0.0/19                 74.160.0.0/11
    74.170.64.0/19                74.160.0.0/11
    74.175.176.0/22               74.160.0.0/11
    74.185.160.0/19               74.160.0.0/11
    74.226.64.0/18                74.224.0.0/11
    74.228.240.0/20               74.224.0.0/11
    74.237.192.0/19               74.224.0.0/11
    74.238.192.0/19               74.224.0.0/11
    74.250.0.0/18                 74.224.0.0/11
    74.254.128.0/20               74.224.0.0/11
    74.254.132.0/23               74.224.0.0/11
    74.254.135.0/24               74.224.0.0/11
    74.254.138.0/24               74.224.0.0/11
    74.254.143.0/24               74.224.0.0/11
    74.255.160.0/19               74.224.0.0/11
    74.255.160.0/21               74.224.0.0/11
    74.255.169.0/24               74.224.0.0/11
    74.255.174.0/23               74.224.0.0/11
    205.152.96.0/24               205.152.0.0/16
    205.152.97.0/24               205.152.0.0/16
    207.203.176.0/20              207.203.0.0/16
    208.60.64.0/22                208.60.0.0/14
    208.62.148.0/22               208.60.0.0/14
    208.63.99.0/24                208.60.0.0/14
    208.63.102.0/24               208.60.0.0/14
    208.63.160.0/20               208.60.0.0/14
    208.63.176.0/21               208.60.0.0/14
    208.63.184.0/21               208.60.0.0/14
    209.214.198.0/23              209.214.0.0/15
    209.215.80.0/23               209.214.0.0/15
    209.215.80.0/24               209.214.0.0/15
    209.215.81.0/24               209.214.0.0/15
    209.215.106.0/23              209.214.0.0/15
    209.215.197.0/24              209.214.0.0/15
    209.215.229.0/24              209.214.0.0/15
    216.76.2.0/23                 216.76.0.0/14
    216.76.2.0/24                 216.76.0.0/14
    216.76.3.0/24                 216.76.0.0/14
    216.77.64.0/22                216.76.0.0/14
    216.77.65.0/24                216.76.0.0/14
    216.79.64.0/22                216.76.0.0/14
    205.152.228.0/24              205.152.0.0/16
    205.152.246.0/24              205.152.0.0/16

Prefixes added and withdrawn by this origin AS in the past 7 days.

    - 205.152.228.0/24            Withdrawn
    - 205.152.246.0/24            Withdrawn

Whois Entry

whois: 402603

IANA has recorded AS6383 as originally allocated by 
/usr/bin/whois -h jwhois.apnic.netr "AS6383\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:       6380 - 6389
             ASName:         BELLSOUTH-NET-BLK
             ASHandle:       AS6380
             RegDate:        1996-03-28
             Updated:        2024-12-05
             Ref:            https://rdap.arin.net/registry/autnum/6380
             
             
             
             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@semail.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.
             #