12521 NOVA_INTERNET_AS12521 Madrid - Spain, ES
Adjacency: 4 Upstream: 3 Downstream: 1
Upstream Adjacent AS list
AS15704 XTRA Telecom, ES
AS3262 SARENET, ES
AS35699 ADAMOEU-AS Adamo Telecom Iberia S.A., ES
Downstream Adjacent AS list
AS39398 ARSENET_AS39398, ES
Rank AS Type Originate Addr Space (pfx) Transit Addr space (pfx) Description 8265 AS12521 ORIGIN Originate: 15104 /18.12 Transit: 0 /0.00 NOVA_INTERNET_AS12521 Madrid - Spain, ES
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 % 5814 AS12521 NOVA_INTERNET_AS12521 Madrid - Spain, ES 27 11 3 19 8 29.63% Prefix AS Path Aggregation Suggestion 5.199.224.0/21 6939 3262 12521 5.199.224.0/22 3303 3262 12521 5.199.224.0/22 6939 3262 12521 + Announce - aggregate of 5.199.224.0/23 (6939 3262 12521) and 5.199.226.0/23 (6939 3262 12521) 5.199.224.0/24 6939 3262 12521 - Withdrawn - aggregated with 5.199.225.0/24 (6939 3262 12521) 5.199.225.0/24 6939 3262 12521 - Withdrawn - aggregated with 5.199.224.0/24 (6939 3262 12521) 5.199.226.0/24 6939 3262 12521 - Withdrawn - aggregated with 5.199.227.0/24 (6939 3262 12521) 5.199.227.0/24 6939 3262 12521 - Withdrawn - aggregated with 5.199.226.0/24 (6939 3262 12521) 91.195.73.0/24 6939 15704 12521 91.195.102.0/24 6939 35699 12521 91.195.103.0/24 6939 15704 12521 212.85.32.0/20 3303 3262 12521 212.85.32.0/24 6939 15704 12521 212.85.33.0/24 6939 35699 12521 212.85.34.0/24 6939 35699 12521 212.85.35.0/24 6939 15704 12521 212.85.36.0/23 6939 15704 12521 + Announce - aggregate of 212.85.36.0/24 (6939 15704 12521) and 212.85.37.0/24 (6939 15704 12521) 212.85.36.0/24 6939 15704 12521 - Withdrawn - aggregated with 212.85.37.0/24 (6939 15704 12521) 212.85.37.0/24 6939 15704 12521 - Withdrawn - aggregated with 212.85.36.0/24 (6939 15704 12521) 212.85.38.0/24 3303 3262 12521 - Withdrawn - matching aggregate 212.85.32.0/20 3303 3262 12521 212.85.39.0/24 6939 35699 12521 212.85.40.0/22 6939 35699 12521 + Announce - aggregate of 212.85.40.0/23 (6939 35699 12521) and 212.85.42.0/23 (6939 35699 12521) 212.85.40.0/24 6939 35699 12521 - Withdrawn - aggregated with 212.85.41.0/24 (6939 35699 12521) 212.85.41.0/24 6939 35699 12521 - Withdrawn - aggregated with 212.85.40.0/24 (6939 35699 12521) 212.85.42.0/24 6939 35699 12521 - Withdrawn - aggregated with 212.85.43.0/24 (6939 35699 12521) 212.85.43.0/24 6939 35699 12521 - Withdrawn - aggregated with 212.85.42.0/24 (6939 35699 12521) 212.85.45.0/24 6939 35699 12521 212.85.46.0/24 6939 15704 12521 212.85.47.0/24 6939 35699 12521 212.85.48.0/21 6939 35699 12521 212.85.50.0/24 6939 15704 12521
Advertisements that are fragments of the original RIR allocation (more specifics) originated by this AS.
AS12521 20 More Specifics 23 Total Advertisements NOVA_INTERNET_AS12521 Madrid - Spain, ES
91.195.73.0/24 91.195.72.0/23
91.195.102.0/24 91.195.102.0/23
91.195.103.0/24 91.195.102.0/23
212.85.32.0/24 212.85.32.0/20
212.85.33.0/24 212.85.32.0/20
212.85.34.0/24 212.85.32.0/20
212.85.35.0/24 212.85.32.0/20
212.85.36.0/24 212.85.32.0/20
212.85.37.0/24 212.85.32.0/20
212.85.38.0/24 212.85.32.0/20
212.85.39.0/24 212.85.32.0/20
212.85.40.0/24 212.85.32.0/20
212.85.41.0/24 212.85.32.0/20
212.85.42.0/24 212.85.32.0/20
212.85.43.0/24 212.85.32.0/20
212.85.45.0/24 212.85.32.0/20
212.85.46.0/24 212.85.32.0/20
212.85.47.0/24 212.85.32.0/20
212.85.48.0/24 212.85.48.0/21
212.85.50.0/24 212.85.48.0/21
whois: 402590
IANA has recorded AS12521 as originally allocated by
/usr/bin/whois -h jwhois.apnic.netr "AS12521\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 'AS12456 - AS12555'
as-block: AS12456 - AS12555
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: 2018-11-22T15:27:24Z
last-modified: 2018-11-22T15:27:24Z
source: RIPE
% Information related to 'AS12521'
% Abuse contact for 'AS12521' is 'hostmaster@nova.es'
aut-num: AS12521
org: ORG-NI2-RIPE
as-name: NOVA_INTERNET_AS12521
descr: Madrid - Spain
import: from AS12715 accept ANY
import: from AS15704 accept ANY
import: from AS3356 accept ANY
import: from AS35699 accept ANY
import: from AS39398 accept AS39398
export: to AS12715 announce AS-NOVA
export: to AS15704 announce AS-NOVA
export: to AS3356 announce AS-NOVA
export: to AS35699 announce AS-NOVA
export: to AS39398 announce ANY
default: to AS12521 networks ANY
admin-c: DS4947
tech-c: DS4947
status: ASSIGNED
mnt-by: RIPE-NCC-END-MNT
mnt-by: NOVA-NOC
created: 1970-01-01T00:00:00Z
last-modified: 2018-07-17T11:11:11Z
source: RIPE
organisation: ORG-NI2-RIPE
org-name: Nova Internet S.L.
country: ES
reg-nr: B78421773
org-type: LIR
address: Monte Esquinza, 7 - 3 Ext
address: 28010
address: Madrid
address: SPAIN
phone: +34 913086763
fax-no: +34 913086747
abuse-c: AR14971-RIPE
admin-c: DS4947
mnt-ref: NOVA-NOC
mnt-ref: RIPE-NCC-HM-MNT
mnt-by: RIPE-NCC-HM-MNT
mnt-by: NOVA-NOC
created: 2004-04-17T11:17:53Z
last-modified: 2026-05-13T07:31:19Z
source: RIPE # Filtered
%ERROR:201: access denied for 2401:2000:6660:0:0:0:0:13
%
% Queries from your IP address have passed the daily limit of controlled objects.
% Access from your host has been temporarily denied.
% For more information, see
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% This query was served by the RIPE Database Query Service version 1.122.1 (SHETLAND)