25993 ATT-LABS-AUSTIN-TX, US
Adjacency: 2 Upstream: 1 Downstream: 1
Upstream Adjacent AS list
AS7018 ATT-INTERNET4, US
Downstream Adjacent AS list
AS5671 PBI-NET-BLK, US
Rank AS Type Originate Addr Space (pfx) Transit Addr space (pfx) Description 4596 AS25993 ORG+TRN Originate: 44544 /16.56 Transit: 256 /24.00 ATT-LABS-AUSTIN-TX, 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 % 12586 AS25993 ATT-LABS-AUSTIN-TX, US 22 4 1 19 3 13.64% Prefix AS Path Aggregation Suggestion 64.123.22.0/24 7018 25993 108.79.160.0/20 7018 25993 144.60.0.0/21 7018 25993 144.60.9.0/24 7018 25993 144.60.10.0/23 7018 25993 144.60.12.0/22 7018 25993 144.60.16.0/20 7018 25993 144.60.32.0/19 7018 25993 144.60.64.0/19 7018 25993 144.60.96.0/23 7018 25993 144.60.98.0/24 7018 25993 144.60.112.0/22 7018 25993 144.60.116.0/23 7018 25993 144.60.124.0/22 7018 25993 144.60.128.0/21 7018 25993 144.60.190.0/23 7018 25993 + Announce - aggregate of 144.60.190.0/24 (7018 25993) and 144.60.191.0/24 (7018 25993) 144.60.190.0/24 7018 25993 - Withdrawn - aggregated with 144.60.191.0/24 (7018 25993) 144.60.191.0/24 7018 25993 - Withdrawn - aggregated with 144.60.190.0/24 (7018 25993) 144.60.192.0/19 7018 25993 144.60.200.0/22 7018 25993 - Withdrawn - matching aggregate 144.60.192.0/19 7018 25993 144.60.209.0/24 7018 25993 - Withdrawn - matching aggregate 144.60.192.0/19 7018 25993 205.173.58.0/24 7018 25993 209.64.7.0/24 7018 25993
Advertisements that are fragments of the original RIR allocation (more specifics) originated by this AS.
AS25993 42 More Specifics 42 Total Advertisements ATT-LABS-AUSTIN-TX, US
12.226.78.0/23 12.0.0.0/8
64.123.22.0/24 64.123.0.0/16
67.116.26.0/23 67.112.0.0/12
67.116.26.0/24 67.112.0.0/12
67.116.27.0/24 67.112.0.0/12
76.206.112.0/22 76.206.0.0/15
76.206.115.0/24 76.206.0.0/15
76.206.117.0/24 76.206.0.0/15
76.206.118.0/24 76.206.0.0/15
76.206.125.0/24 76.206.0.0/15
76.253.192.0/24 76.253.0.0/16
107.77.112.0/20 107.64.0.0/10
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
144.60.99.0/24 144.60.0.0/16
144.60.100.0/22 144.60.0.0/16
144.60.104.0/24 144.60.0.0/16
144.60.105.0/24 144.60.0.0/16
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
144.60.168.0/21 144.60.0.0/16
144.60.176.0/21 144.60.0.0/16
144.60.200.0/22 144.60.0.0/16
144.60.209.0/24 144.60.0.0/16
198.224.8.0/24 198.224.0.0/16
198.224.16.0/20 198.224.0.0/16
198.228.248.0/21 198.228.0.0/16
205.173.58.0/24 205.173.56.0/21
206.170.18.0/24 206.170.0.0/15
207.104.181.0/24 207.104.0.0/15
209.64.7.0/24 209.64.0.0/15
216.100.233.0/24 216.100.0.0/14
216.103.127.0/24 216.100.0.0/14
Prefixes added and withdrawn by this origin AS in the past 7 days.
+ 67.116.26.0/23 Announced
+ 67.116.26.0/24 Announced
+ 67.116.27.0/24 Announced
+ 144.60.99.0/24 Announced
+ 144.60.100.0/22 Announced
+ 144.60.104.0/24 Announced
+ 144.60.105.0/24 Announced
+ 144.60.209.0/24 Announced
+ 206.170.18.0/24 Announced
+ 216.100.233.0/24 Announced
whois: 402590
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/
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# If you see inaccuracies in the results, please report at
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# Copyright 1997-2026, American Registry for Internet Numbers, Ltd.
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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: 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@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.
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