6389 BELLSOUTH-NET-BLK - BellSouth.net Inc.
Adjacency: 24 Upstream: 3 Downstream: 21
Upstream Adjacent AS list
AS3356 LEVEL3 Level 3 Communications
AS3491 BTN-ASN - Beyond The Network America, Inc.
AS4637 REACH Reach Network Border AS
Downstream Adjacent AS list
AS11712 BELLSOUTH - IOC
AS5002 BBSATLGA - BellSouth Business Systems
AS6197 BATI-ATL - BellSouth Network Solutions, Inc
AS6380 BELLSOUTH-NET-BLK - BellSouth.net Inc.
AS6381 BELLSOUTH-NET-BLK - BellSouth.net Inc.
AS6198 BATI-MIA - BellSouth Network Solutions, Inc
AS6384 BELLSOUTH-NET-BLK - BellSouth.net Inc.
AS6385 BELLSOUTH-NET-BLK - BellSouth.net Inc.
AS6383 BELLSOUTH-NET-BLK - BellSouth.net Inc.
AS6387 BELLSOUTH-NET-BLK - BellSouth.net Inc.
AS6386 BELLSOUTH-NET-BLK - BellSouth.net Inc.
AS7891 BELLSOUTH-NET-BLK2 - Bellsouth.Net
AS6388 BELLSOUTH-NET-BLK - BellSouth.net Inc.
AS8060 BELLSOUTH-NET-BLK3 - Bellsouth.Net
AS7894 BELLSOUTH-NET-BLK2 - Bellsouth.Net
AS7893 BELLSOUTH-NET-BLK2 - Bellsouth.Net
AS7892 BELLSOUTH-NET-BLK2 - Bellsouth.Net
AS8062 BELLSOUTH-NET-BLK3 - Bellsouth.Net
AS8063 BELLSOUTH-NET-BLK3 - Bellsouth.Net
AS8061 BELLSOUTH-NET-BLK3 - Bellsouth.Net
AS6382 BELLSOUTH-NET-BLK - BellSouth.net Inc.
Rank AS Type Originate Addr Space (pfx) Transit Addr space (pfx) Description 33 AS6389 ORG+TRN Originate: 11187712 /8.58 Transit: 17090816 /7.97 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 % 369 AS6389 BELLSOUTH-NET-BLK - BellSouth.net Inc. 55 36 0 19 36 65.45% Prefix AS Path Aggregation Suggestion 65.0.0.0/12 4637 6389 65.80.0.0/14 4637 6389 65.83.236.0/22 4637 6389 66.20.0.0/15 4637 6389 66.156.0.0/15 4637 6389 67.32.0.0/14 4637 6389 68.16.0.0/14 4637 6389 68.152.0.0/13 4637 6389 68.208.0.0/12 4637 6389 70.144.0.0/12 4637 6389 72.144.0.0/12 4637 6389 74.160.0.0/11 4637 6389 74.162.0.0/19 4637 6389 - Withdrawn - matching aggregate 74.160.0.0/11 4637 6389 74.162.64.0/19 4637 6389 - Withdrawn - matching aggregate 74.160.0.0/11 4637 6389 74.162.128.0/19 4637 6389 - Withdrawn - matching aggregate 74.160.0.0/11 4637 6389 74.163.0.0/19 4637 6389 - Withdrawn - matching aggregate 74.160.0.0/11 4637 6389 74.224.0.0/11 4637 6389 74.232.0.0/17 4637 6389 - Withdrawn - matching aggregate 74.224.0.0/11 4637 6389 74.233.0.0/17 4637 6389 - Withdrawn - matching aggregate 74.224.0.0/11 4637 6389 74.233.26.0/24 4637 6389 - Withdrawn - matching aggregate 74.224.0.0/11 4637 6389 74.233.128.0/18 4637 6389 - Withdrawn - matching aggregate 74.224.0.0/11 4637 6389 74.233.192.0/19 4637 6389 - Withdrawn - matching aggregate 74.224.0.0/11 4637 6389 74.235.0.0/17 4637 6389 - Withdrawn - matching aggregate 74.224.0.0/11 4637 6389 74.235.128.0/18 4637 6389 - Withdrawn - matching aggregate 74.224.0.0/11 4637 6389 74.235.192.0/18 4637 6389 - Withdrawn - matching aggregate 74.224.0.0/11 4637 6389 74.240.0.0/18 4637 6389 - Withdrawn - matching aggregate 74.224.0.0/11 4637 6389 74.240.64.0/18 4637 6389 - Withdrawn - matching aggregate 74.224.0.0/11 4637 6389 74.240.128.0/18 4637 6389 - Withdrawn - matching aggregate 74.224.0.0/11 4637 6389 74.240.192.0/18 4637 6389 - Withdrawn - matching aggregate 74.224.0.0/11 4637 6389 74.241.32.0/19 4637 6389 - Withdrawn - matching aggregate 74.224.0.0/11 4637 6389 74.242.160.0/19 4637 6389 - Withdrawn - matching aggregate 74.224.0.0/11 4637 6389 74.242.224.0/19 4637 6389 - Withdrawn - matching aggregate 74.224.0.0/11 4637 6389 74.243.0.0/20 4637 6389 - Withdrawn - matching aggregate 74.224.0.0/11 4637 6389 74.243.16.0/20 4637 6389 - Withdrawn - matching aggregate 74.224.0.0/11 4637 6389 74.243.48.0/20 4637 6389 - Withdrawn - matching aggregate 74.224.0.0/11 4637 6389 74.243.80.0/20 4637 6389 - Withdrawn - matching aggregate 74.224.0.0/11 4637 6389 74.243.112.0/20 4637 6389 - Withdrawn - matching aggregate 74.224.0.0/11 4637 6389 74.243.128.0/19 4637 6389 - Withdrawn - matching aggregate 74.224.0.0/11 4637 6389 74.243.160.0/20 4637 6389 - Withdrawn - matching aggregate 74.224.0.0/11 4637 6389 74.243.192.0/19 4637 6389 - Withdrawn - matching aggregate 74.224.0.0/11 4637 6389 74.243.224.0/20 4637 6389 - Withdrawn - matching aggregate 74.224.0.0/11 4637 6389 74.248.0.0/19 4637 6389 - Withdrawn - matching aggregate 74.224.0.0/11 4637 6389 74.248.32.0/20 4637 6389 - Withdrawn - matching aggregate 74.224.0.0/11 4637 6389 74.248.48.0/20 4637 6389 - Withdrawn - matching aggregate 74.224.0.0/11 4637 6389 74.248.64.0/19 4637 6389 - Withdrawn - matching aggregate 74.224.0.0/11 4637 6389 74.248.192.0/19 4637 6389 - Withdrawn - matching aggregate 74.224.0.0/11 4637 6389 74.248.224.0/19 4637 6389 - Withdrawn - matching aggregate 74.224.0.0/11 4637 6389 74.250.160.0/19 4637 6389 - Withdrawn - matching aggregate 74.224.0.0/11 4637 6389 205.152.0.0/16 4637 6389 205.152.223.0/24 4637 6389 - Withdrawn - matching aggregate 205.152.0.0/16 4637 6389 207.203.0.0/16 4637 6389 208.60.0.0/14 4637 6389 209.149.0.0/16 4637 6389 209.214.0.0/15 4637 6389 216.76.0.0/14 4637 6389
Advertisements that are fragments of the original RIR allocation (more specifics) originated by this AS.
AS6389 45 More Specifics 63 Total Advertisements BELLSOUTH-NET-BLK - BellSouth.net Inc.
65.83.236.0/22 65.80.0.0/14
74.162.0.0/19 74.160.0.0/11
74.162.64.0/19 74.160.0.0/11
74.162.128.0/19 74.160.0.0/11
74.163.0.0/19 74.160.0.0/11
74.176.0.0/16 74.160.0.0/11
74.177.0.0/18 74.160.0.0/11
74.177.64.0/18 74.160.0.0/11
74.177.128.0/18 74.160.0.0/11
74.178.0.0/19 74.160.0.0/11
74.178.224.0/19 74.160.0.0/11
74.232.0.0/17 74.224.0.0/11
74.233.0.0/17 74.224.0.0/11
74.233.26.0/24 74.224.0.0/11
74.233.128.0/18 74.224.0.0/11
74.233.166.0/24 74.224.0.0/11
74.233.192.0/19 74.224.0.0/11
74.235.0.0/17 74.224.0.0/11
74.235.128.0/18 74.224.0.0/11
74.235.192.0/18 74.224.0.0/11
74.240.0.0/18 74.224.0.0/11
74.240.64.0/18 74.224.0.0/11
74.240.128.0/18 74.224.0.0/11
74.240.192.0/18 74.224.0.0/11
74.241.32.0/19 74.224.0.0/11
74.242.160.0/19 74.224.0.0/11
74.242.224.0/19 74.224.0.0/11
74.243.0.0/20 74.224.0.0/11
74.243.16.0/20 74.224.0.0/11
74.243.48.0/20 74.224.0.0/11
74.243.80.0/20 74.224.0.0/11
74.243.96.0/19 74.224.0.0/11
74.243.128.0/19 74.224.0.0/11
74.243.160.0/20 74.224.0.0/11
74.243.192.0/19 74.224.0.0/11
74.243.224.0/20 74.224.0.0/11
74.248.0.0/19 74.224.0.0/11
74.248.32.0/20 74.224.0.0/11
74.248.48.0/20 74.224.0.0/11
74.248.64.0/19 74.224.0.0/11
74.248.128.0/18 74.224.0.0/11
74.248.192.0/19 74.224.0.0/11
74.248.224.0/19 74.224.0.0/11
74.250.160.0/19 74.224.0.0/11
205.152.223.0/24 205.152.0.0/16
whois: 402603
IANA has recorded AS6389 as originally allocated by
/usr/bin/whois -h jwhois.apnic.netr "AS6389\n
#
# ARIN WHOIS data and services are subject to the Terms of Use
# available at: https://www.arin.net/resources/registry/whois/tou/
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# Copyright 1997-2026, American Registry for Internet Numbers, Ltd.
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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@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/
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# Copyright 1997-2026, American Registry for Internet Numbers, Ltd.
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