21326 OPENNET-SA AT&T OpenNet-Service-AS, NL
Adjacency: 1 Upstream: 1 Downstream: 0
Upstream Adjacent AS list
AS25888 HPINC, US
Rank AS Type Originate Addr Space (pfx) Transit Addr space (pfx) Description 4280 AS21326 ORIGIN Originate: 52224 /16.33 Transit: 0 /0.00 OPENNET-SA AT&T OpenNet-Service-AS, NL
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 %
35975 AS21326 OPENNET-SA AT&T OpenNet-Service-AS, NL 9 0 0 9 0 0.00%
Prefix AS Path Aggregation Suggestion
15.32.64.0/18 6939 2687 25888 21326
15.32.76.0/23 3257 2687 25888 21326
15.36.64.0/18 3257 2687 25888 {21326}
15.36.69.0/24 3257 2687 25888 21326
15.36.70.0/23 3257 2687 25888 21326
15.36.120.0/22 3257 2687 25888 21326
15.36.124.0/23 3257 2687 25888 21326
15.40.75.0/24 6939 2687 25888 21326
15.44.64.0/18 3257 2687 25888 {21326}
Advertisements that are fragments of the original RIR allocation (more specifics) originated by this AS.
AS21326 8 More Specifics 8 Total Advertisements OPENNET-SA AT&T OpenNet-Service-AS, NL
15.32.64.0/18 15.0.0.0/10
15.36.64.0/18 15.0.0.0/10
15.36.69.0/24 15.0.0.0/10
15.36.70.0/23 15.0.0.0/10
15.36.120.0/22 15.0.0.0/10
15.36.124.0/23 15.0.0.0/10
16.10.1.0/24 16.10.0.0/16
16.10.11.0/24 16.10.0.0/16
15.32.76.0/23 15.0.0.0/10
15.44.64.0/18 15.0.0.0/10
Prefixes added and withdrawn by this origin AS in the past 7 days.
+ 16.10.1.0/24 Announced
- 15.32.76.0/23 Withdrawn
- 15.44.64.0/18 Withdrawn
whois: 402590
IANA has recorded AS21326 as originally allocated by
/usr/bin/whois -h jwhois.apnic.netr "AS21326\n % This is the RIPE Database query service.
% The objects are in RPSL format.
%
% The RIPE Database is subject to Terms and Conditions.
% See https://docs.db.ripe.net/terms-conditions.html
% Note: this output has been filtered.
% Information related to 'AS21281 - AS21390'
as-block: AS21281 - AS21390
descr: RIPE NCC ASN block
remarks: These AS Numbers are assigned to network operators in the RIPE NCC service region.
mnt-by: RIPE-NCC-HM-MNT
created: 2018-11-22T15:27:28Z
last-modified: 2018-11-22T15:27:28Z
source: RIPE
% Information related to 'AS21326'
% Abuse contact for 'AS21326' is 'peering@intl.att.com'
aut-num: AS21326
org: ORG-AGNS1-RIPE
as-name: OpenNet-SA
descr: AT&T OpenNet-Service-AS
import: from AS7018 action pref=100; accept ANY
import: from AS2685 action pref=100; accept ANY
import: from AS2686 action pref=100; accept ANY
import: from AS2687 action pref=100; accept ANY
import: from AS2688 action pref=100; accept ANY
export: to AS7018 announce any
export: to AS2685 announce any
export: to AS2686 announce any
export: to AS2687 announce any
export: to AS2688 announce any
admin-c: DR7890-RIPE
tech-c: DR7890-RIPE
status: ASSIGNED
mnt-by: RIPE-NCC-END-MNT
mnt-by: MAINT-AS2686
created: 2001-11-01T10:53:15Z
last-modified: 2018-09-04T09:52:37Z
source: RIPE
organisation: ORG-AGNS1-RIPE
org-name: AT&T Global Network Services Nederland B.V.
country: NL
reg-nr: 34112329
org-type: LIR
address: Wilhelmina van Pruisenweg 104
address: 2595 AN
address: The Hague
address: NETHERLANDS
phone: +31 70 3376 863
fax-no: +31 70 3376 767
abuse-c: AR13530-RIPE
admin-c: DR7890-RIPE
mnt-ref: MAINT-AS2686
mnt-ref: RIPE-NCC-HM-MNT
mnt-by: RIPE-NCC-HM-MNT
mnt-by: MAINT-AS2686
created: 2004-04-17T10:55:11Z
last-modified: 2026-05-13T07:16:34Z
source: RIPE # Filtered
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