AS16371 acens Technologies, S.L.








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There are 127,413 domain names hosted across 3,463 IP addresses on this ASN.

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Company Details

We have details for more than 31 companies that use IP addresses on this ASN, including,,,, To find out more about our company details data contact sales.

Whois Details

as-block:       AS16285 - AS16383
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:        2010-05-11T11:45:31Z
last-modified:  2014-02-24T13:15:17Z
source:         RIPE

aut-num:        AS16371
as-name:        acens_AS
descr:          (Spain) Hosting, housing and VPN services
remarks:        --------TRANSITS----------------------------------------------------------
import:         from AS6453 action pref=100; accept ANY AND NOT {}
import:         from AS3352 action pref=300; accept ANY AND NOT {}
remarks:        -------------------PEERINGS-------------------------------------------------
import:         from AS2686 action pref=70; accept AS-IGNEMEA
import:         from AS766 action pref=70; accept AS-REDIRIS
import:         from AS3262 action pref=70; accept AS-SARENET
import:         from AS3324 action pref=70; accept AS3324
import:         from AS3352 action pref=70; accept AS-TDEBCN
import:         from AS4589 action pref=70; accept AS-EASYNET
import:         from AS5400 action pref=70; accept AS-BT-EU
import:         from AS6739 action pref=70; accept AS-ONO-UPS
import:         from AS6853 action pref=70; accept AS6853
import:         from AS6895 action pref=70; accept AS-ESPANIX
import:         from AS8220 action pref=70; accept AS-COLT
import:         from AS16338 action pref=70; accept AS-AUNANET
import:         from AS8782 action pref=70; accept AS8782
import:         from AS9165 action pref=70; accept AS9165
import:         from AS12338 action pref=70; accept AS-EKTEL
import:         from AS12357 action pref=70; accept AS-COMUNITEL
import:         from AS12359 action pref=100; accept AS-INTELIDEAS
import:         from AS12386 action pref=70; accept AS-ALPICUSTOM
import:         from AS12430 action pref=70; accept AS12430
import:         from AS12457 action pref=70; accept AS-TELIBERIA
import:         from AS12479 action pref=70; accept AS12479
import:         from AS12715 action pref=70; accept AS-JAZZTRANS
import:         from AS13041 action pref=70; accept AS13041
import:         from AS15699 action pref=70; accept AS15699
import:         from AS15915 action pref=70; accept AS-IBERCOM
import:         from AS16030 action pref=70; accept AS-ALTECOM
import:         from AS20718 action pref=70; accept AS-ARSYSINTERNET
import:         from AS20721 action pref=70; accept AS20721
import:         from AS20838 action pref=70; accept AS20838
import:         from AS24592 action pref=70; accept AS24592
import:         from AS24983 action pref=70; accept AS24983
import:         from AS25329 action pref=70; accept AS25329
import:         from AS25572 action pref=70; accept AS25572
import:         from AS30892 action pref=70; accept AS-TSE
import:         from AS31479 action pref=70; accept AS-IPORIUM
import:         from AS33072 action pref=70; accept AS33072
import:         from AS15732 action pref=70; accept AS-FIRSTMARK
import:         from AS16168 action pref=70; accept AS-GENETSISES
import:         from AS28842 action pref=70; accept AS-VELOXIA
import:         from AS15704 action pref=70; accept AS-MUNDI
remarks:        -------CLIENTS-----------------------------------
import:         from AS51718 action pref=100; accept AS51718
import:         from AS56732 action pref=100; accept AS56732
import:         from AS48958 action pref=100; accept AS48958
import:         from AS199171 action pref=100; accept AS199171
import:         from AS55393 action pref=100; accept AS55393
remarks:        ----------TRANSITS-----------------------------
export:         to AS6453 announce AS-ACENS
export:         to AS3352 announce AS-ACENS
remarks:        ---------PEERINGS------------------------------
export:         to AS766 announce AS-ACENS
export:         to AS2686 announce AS-ACENS
export:         to AS3262 announce AS-ACENS
export:         to AS3324 announce AS-ACENS
export:         to AS4589 announce AS-ACENS
export:         to AS5400 announce AS-ACENS
export:         to AS3352 announce AS-ACENS
export:         to AS6739 announce AS-ACENS
export:         to AS6853 announce AS-ACENS
export:         to AS6895 announce AS-ACENS
export:         to AS8220 announce AS-ACENS
export:         to AS8782 announce AS-ACENS
export:         to AS9165 announce AS-ACENS
export:         to AS12338 announce AS-ACENS
export:         to AS12357 announce AS-ACENS
export:         to AS12359 announce AS-ACENS
export:         to AS12386 announce AS-ACENS
export:         to AS12430 announce AS-ACENS
export:         to AS12457 announce AS-ACENS
export:         to AS12479 announce AS-ACENS
export:         to AS12715 announce AS-ACENS
export:         to AS13041 announce AS-ACENS
export:         to AS15699 announce AS-ACENS
export:         to AS15915 announce AS-ACENS
export:         to AS16030 announce AS-ACENS
export:         to AS16338 announce AS-ACENS
export:         to AS20718 announce AS-ACENS
export:         to AS20721 announce AS-ACENS
export:         to AS20838 announce AS-ACENS
export:         to AS24592 announce AS-ACENS
export:         to AS24983 announce AS-ACENS
export:         to AS25329 announce AS-ACENS
export:         to AS25572 announce AS-ACENS
export:         to AS30892 announce AS-ACENS
export:         to AS31479 announce AS-ACENS
export:         to AS33072 announce AS-ACENS
export:         to AS15732 announce AS-ACENS
export:         to AS16168 announce AS-ACENS
export:         to AS28842 announce AS-ACENS
export:         to AS15704 announce AS-ACENS
remarks:        ---------CLIENTS---------------------------------
export:         to AS51718 announce ANY
export:         to AS56732 announce ANY
export:         to AS48958 announce ANY
export:         to AS199171 announce ANY
export:         to AS55393 announce ANY
remarks:        -------------------------------------------------
org:            ORG-RE1-RIPE
admin-c:        ACE2-RIPE
tech-c:         ACE5-RIPE
remarks:        ======================================
remarks:        For peering requests or queries please
remarks:        contact
remarks:        ======================================
status:         ASSIGNED
mnt-by:         RIPE-NCC-END-MNT
mnt-by:         ACENS-MNT
created:        2002-08-22T09:13:10Z
last-modified:  2017-11-15T09:15:50Z
source:         RIPE

organisation:   ORG-RE1-RIPE
org-name:       acens Technologies, S.L.
org-type:       LIR
address:        C/ San Rafael, 14
address:        28108
address:        Alcobendas (Madrid)
address:        SPAIN
phone:          +34911418500
fax-no:         +34911418501
mnt-ref:        ACENS-MNT
mnt-ref:        RIPE-NCC-HM-MNT
mnt-by:         RIPE-NCC-HM-MNT
mnt-by:         ACENS-MNT
admin-c:        AF26-RIPE
admin-c:        OPE3-RIPE
admin-c:        IM795-RIPE
admin-c:        JMP34-RIPE
admin-c:        AO1949-RIPE
abuse-c:        ACE2-RIPE
created:        2004-04-17T11:18:04Z
last-modified:  2017-02-16T15:36:22Z
source:         RIPE

role:           ADMIN ACENS ES
address:        San Rafael 14
address:        28108 Alcobendas - Madrid
address:        Spain
admin-c:        AF26-RIPE
tech-c:         ACE5-RIPE
nic-hdl:        ACE2-RIPE
mnt-by:         ACENS-MNT
created:        2009-07-14T10:29:17Z
last-modified:  2017-06-01T14:17:31Z
source:         RIPE

role:           NOC ACENS ES
address:        San Rafael 14
address:        28108 Alcobendas - Madrid
address:        Spain
admin-c:        ACE2-RIPE
tech-c:         AF26-RIPE
tech-c:         JSR19-RIPE
nic-hdl:        ACE5-RIPE
mnt-by:         ACENS-MNT
created:        1970-01-01T00:00:00Z
last-modified:  2017-06-01T14:17:55Z
source:         RIPE

IP Address Ranges

Netblock Description Num IPs acens Technologies, S.L. 2,048 acens Technologies, S.L. 1,024 acens Technologies, S.L. 256 acens Technologies, S.L. 1,024 POAPRODUCCION-2 256 acens Technologies, S.L. 4,096 BCN22TECH-5 512 acens Technologies, S.L. 8,192 acens Technologies, S.L. 4,096 Serv. cli. Vcloud 256
Netblock Description
2a02:3b8::/32 acens Technologies, S.L.

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Hosted Domains

There are 127,413 domain names hosted across 3,463 IP addresses on this ASN. Checkout our API to access full domain hosting information.

IP Address Domain Domains on this IP 35,546 22,751 11,179 9,979 7,726 4,454 1,768 718 644 539


There are no peers for this ASN.


There are no upstreams for this ASN.


There are no downstreams for this ASN.

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Autonomous System Numbers (ASNs) are assigned to entities such as Internet Service Providers and other large organizations that control blocks of IP addresses. This network page, and the organization field that's shown on the main IP address information page and also returned in the geolocation API are based on the ASN.

The ASN details will often correspond to the IP address owner, but for smaller organizations it may be that organization's parent, or their ISP.

Find out more about AS16371 at robtex.

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