21057 OVERON-SPAIN-AS Ciudad de la Imagen - Madrid, ES
Adjacency: 7 Upstream: 7 Downstream: 0
Upstream Adjacent AS list
AS8866 VIVACOM-AS BULGARIA, BG
AS41313 NOVATEL-AS 2 Kukush str., floor 1, office 102, BG
AS174 COGENT-174, US
AS7018 ATT-INTERNET4, US
AS3257 GTT-BACKBONE GTT, US
AS3356 LEVEL3, US
AS6762 SEABONE-NET TELECOM ITALIA SPARKLE S.p.A., IT
Rank AS Type Originate Addr Space (pfx) Transit Addr space (pfx) Description 10768 AS21057 ORIGIN Originate: 9216 /18.83 Transit: 0 /0.00 OVERON-SPAIN-AS Ciudad de la Imagen - Madrid, 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 % 5878 AS21057 OVERON-SPAIN-AS Ciudad de la Imagen - Madrid, 19 11 3 11 8 42.11% Prefix AS Path Aggregation Suggestion 31.187.68.0/24 7018 3356 21057 80.84.128.0/21 7018 3356 21057 + Announce - aggregate of 80.84.128.0/22 (7018 3356 21057) and 80.84.132.0/22 (7018 3356 21057) 80.84.128.0/22 7018 3356 21057 - Withdrawn - aggregated with 80.84.132.0/22 (7018 3356 21057) 80.84.132.0/22 7018 3356 21057 - Withdrawn - aggregated with 80.84.128.0/22 (7018 3356 21057) 80.84.133.0/24 3257 21057 80.84.137.0/24 3303 8866 21057 80.84.138.0/23 7018 3356 21057 80.84.140.0/23 49788 174 21057 80.84.140.0/24 7018 6762 21057 80.84.141.0/24 49788 174 21057 - Withdrawn - matching aggregate 80.84.140.0/23 49788 174 21057 80.84.142.0/23 7018 21057 80.84.142.0/24 7018 21057 - Withdrawn - matching aggregate 80.84.142.0/23 7018 21057 80.84.143.0/24 7018 3356 21057 80.84.156.0/22 7018 3356 21057 + Announce - aggregate of 80.84.156.0/23 (7018 3356 21057) and 80.84.158.0/23 (7018 3356 21057) 80.84.156.0/23 7018 3356 21057 - Withdrawn - aggregated with 80.84.158.0/23 (7018 3356 21057) 80.84.158.0/23 7018 3356 21057 - Withdrawn - aggregated with 80.84.156.0/23 (7018 3356 21057) 80.84.159.0/24 7018 3356 21057 - Withdrawn - matching aggregate 80.84.158.0/23 7018 3356 21057 178.249.8.0/21 7018 3356 21057 + Announce - aggregate of 178.249.8.0/22 (7018 3356 21057) and 178.249.12.0/22 (7018 3356 21057) 178.249.8.0/22 7018 3356 21057 - Withdrawn - aggregated with 178.249.12.0/22 (7018 3356 21057) 178.249.11.0/24 7018 3356 21057 - Withdrawn - matching aggregate 178.249.8.0/22 7018 3356 21057 178.249.12.0/22 7018 3356 21057 - Withdrawn - aggregated with 178.249.8.0/22 (7018 3356 21057) 178.249.13.0/24 7018 3356 21057 - Withdrawn - matching aggregate 178.249.12.0/22 7018 3356 21057
Advertisements that are fragments of the original RIR allocation (more specifics) originated by this AS.
AS21057 19 More Specifics 19 Total Advertisements OVERON-SPAIN-AS Ciudad de la Imagen - Madrid, ES
80.84.128.0/21 80.84.128.0/20
80.84.128.0/22 80.84.128.0/20
80.84.132.0/22 80.84.128.0/20
80.84.133.0/24 80.84.128.0/20
80.84.137.0/24 80.84.128.0/20
80.84.138.0/23 80.84.128.0/20
80.84.139.0/24 80.84.128.0/20
80.84.140.0/23 80.84.128.0/20
80.84.140.0/24 80.84.128.0/20
80.84.141.0/24 80.84.128.0/20
80.84.142.0/23 80.84.128.0/20
80.84.150.0/23 80.84.144.0/20
80.84.152.0/22 80.84.144.0/20
80.84.156.0/23 80.84.144.0/20
80.84.158.0/23 80.84.144.0/20
80.84.158.0/24 80.84.144.0/20
80.84.159.0/24 80.84.144.0/20
178.249.11.0/24 178.249.10.0/23
178.249.13.0/24 178.249.12.0/22
80.84.142.0/24 80.84.128.0/20
178.249.14.0/24 178.249.12.0/22
Prefixes added and withdrawn by this origin AS in the past 7 days.
- 80.84.142.0/24 Withdrawn
- 178.249.8.0/22 Withdrawn
- 178.249.12.0/22 Withdrawn
- 178.249.14.0/24 Withdrawn
whois: 402590
IANA has recorded AS21057 as originally allocated by
/usr/bin/whois -h jwhois.apnic.netr "AS21057\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 'AS21004 - AS21151'
as-block: AS21004 - AS21151
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: 2018-11-22T15:27:27Z
last-modified: 2018-11-22T15:27:27Z
source: RIPE
% Information related to 'AS21057'
% Abuse contact for 'AS21057' is 'networking@overon.es'
aut-num: AS21057
as-name: OVERON-SPAIN-AS
descr: Ciudad de la Imagen - Madrid
import: from AS174 action pref=50; accept ANY
import: from AS51007 action pref=50; accept ANY
export: to AS174 announce AS21057
export: to AS3356 announce ANY
export: to AS51007 announce AS197991
export: to AS51007 announce AS198381
export: to AS51007 announce AS21057
org: ORG-GS4-RIPE
admin-c: OVE99-RIPE
tech-c: OVE99-RIPE
status: ASSIGNED
mnt-by: RIPE-NCC-END-MNT
mnt-by: OVERON-SPAIN-MNT
created: 1970-01-01T00:00:00Z
last-modified: 2020-02-24T10:06:38Z
source: RIPE
organisation: ORG-GS4-RIPE
org-name: Servicios Audiovisuales Overon S.L.
country: ES
reg-nr: B63879902
org-type: LIR
address: C/VIRGILIO,2 - EDIFICIO MEDIAPRO
CIUDAD DE LA IMAGEN
address: 28223
address: POZUELO DE ALARCON
address: SPAIN
phone: +34915121700
fax-no: +34915121719
abuse-c: AR14925-RIPE
admin-c: PLD20-RIPE
admin-c: AF1748-RIPE
mnt-ref: GLOBECAST-SPAIN-MNT
mnt-ref: OVERON-SPAIN-MNT
mnt-ref: RIPE-NCC-HM-MNT
mnt-by: RIPE-NCC-HM-MNT
mnt-by: OVERON-SPAIN-MNT
created: 2004-04-17T11:17:00Z
last-modified: 2026-05-13T07:20:31Z
source: RIPE # Filtered
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