ASN Lookup Tool

ACS spol. s r. o. acs.sk SK SK 6 Routes

AS Data

AS12905

AS12905ACS spol. s r. o.

AS Number 12905
AS Name ACS-SK-AS
Organization ACS spol. s r. o. (org-al12-ripe)
Country SK
Website acs.sk
Number of IPv4 Routes 5
Number of IPv6 Routes 1
ASN type ISP
Allocation Status ASSIGNED
Registry RIPE
Date Allocated 1970-01-01

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Use ASN data for AS12905 in automation: routing intelligence, peering analysis, ownership checks, and network observability.

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IP Ranges

Route # IPs
195.146.13.0/24 256
62.176.160.0/19 8192
46.29.1.0/24 256
193.200.9.0/24 256
2a06:6bc0::/29 ~634×10²⁷
185.250.244.0/22 1024

Raw Whois Response

% 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.
%       To receive output for a database update, use the "-B" flag.

% Information related to 'AS12557 - AS13223'

as-block:       AS12557 - AS13223
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 'AS12905'

% Abuse contact for 'AS12905' is 'ripe-abuse@acs.sk'

aut-num:        AS12905
as-name:        ACS-SK-AS
org:            ORG-AL12-RIPE
remarks:        ACS SK Bratislava Slovakia
import:         from AS6663 accept ANY # TurkTelekomInternational
export:         to AS6663 announce AS-ACSSK # TurkTelekomInternational
import:         from AS28952 accept ANY # O2BSSK
export:         to AS28952 announce AS-ACSSK # O2BSSK
import:         from AS-SLOVAK accept ANY # Slovak Telekom
export:         to AS-SLOVAK announce AS-ACSSK # Slovak Telekom
import:         from AS-SIXSK-SETS accept ANY # peering six.sk
export:         to AS-SIXSK-SETS announce AS-ACSSK # peering six.sk
import:         from AS31117 accept ANY # Energotel
export:         to AS31117 announce AS-ACSSK # Energotel
admin-c:        ACSK-RIPE
tech-c:         ACSK-RIPE
status:         ASSIGNED
mnt-by:         RIPE-NCC-END-MNT
mnt-by:         ACS-SK-MNT
created:        1970-01-01T00:00:00Z
last-modified:  2019-10-28T17:39:58Z
source:         RIPE

organisation:   ORG-AL12-RIPE
org-name:       ACS spol. s r. o.
country:        SK
org-type:       LIR
address:        Magnetova 11
address:        831 04
address:        Bratislava
address:        SLOVAKIA
phone:          +421 2 32661100
fax-no:         +421 2 52490196
abuse-c:        AR17270-RIPE
admin-c:        ACSK-RIPE
mnt-ref:        ACS-SK-MNT
mnt-ref:        RIPE-NCC-HM-MNT
mnt-by:         RIPE-NCC-HM-MNT
mnt-by:         ACS-SK-MNT
created:        2004-04-17T12:05:58Z
last-modified:  2025-11-11T12:11:37Z
source:         RIPE # Filtered

role:           ACS SK
address:        ACS spol. s r. o.
address:        Ruzova dolina 10, 82109 Bratislava, Slovakia
phone:          +421 2 32661100
fax-no:         +421 2 52490196
admin-c:        TH350-RIPE
tech-c:         TH350-RIPE
nic-hdl:        ACSK-RIPE
mnt-by:         ACS-SK-MNT
created:        2002-02-18T15:52:55Z
last-modified:  2018-09-04T08:36:16Z
source:         RIPE # Filtered

% This query was served by the RIPE Database Query Service version 1.121.2 (ABERDEEN)

Parsed Whois Response

Peers

AS Number Description Country
AS199081 Lancom Ltd. GR
AS40994 Hohl IT e.U. AT
AS6881 NIX.CZ z.s.p.o. CZ
AS9498 Bharti Airtel Limited IN
AS39392 SH.cz s.r.o. CZ
AS6939 Hurricane Electric LLC US
AS6204 ZET.NET IP Transit RO
AS60602 Inovare-Prim SRL MD
AS286 GTT Communications Inc. US
AS6830 Liberty Global Europe Holding B.V. NL

Upstreams

AS Number Description Country
AS9498 Bharti Airtel Limited IN
AS39392 SH.cz s.r.o. CZ
AS1764 Next Layer Telekommunikationsdienstleistungs und Beratungs GmbH AT
AS6939 Hurricane Electric LLC US
AS6204 ZET.NET IP Transit RO
AS6830 Liberty Global Europe Holding B.V. NL
AS286 GTT Communications Inc. US
AS31117 ENERGOTEL a.s. SK
AS7713 Telekomunikasi Indonesia PT ID
AS22356 Durand do Brasil Ltda BR

Downstreams

AS Number Description Country
AS201890 EHS, s.r.o. SK
AS208670 BitComp s.r.o. SK
AS16354 TIMES NETWORKS s.r.o. SK

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Frequently Asked Questions

ASN AS12905 is an Autonomous System Number used to identify a network for BGP internet routing.
AS12905 is listed under ACS spol. s r. o..
Peers are lateral network interconnections, upstreams are transit providers, and downstreams are customer networks receiving connectivity.
Routes and IP ranges are the network prefixes announced by the ASN on the internet and show the address space it originates.
WHOIS provides registration and contact context for ASN ownership, administration, and operational reference.
This page previews large ASN datasets. Use See more to load additional rows, and upgrade your plan to view complete peer, route, upstream, and downstream data.