AS number details

AS25512

CD-Telematika a.s.  ·  cdt.cz

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AS25512 – CD-Telematika a.s.

Field Value
Country Czech Republic
Website cdt.cz
Hosted domains 1,672
Number of IPv4 118,272
Number of IPv6 79,228,162,514,264,337,593,543,950,336
ASN type ISP
Registry ripe
Allocated 21 years ago on Dec 17, 2002
Updated 2 years ago on May 10, 2021
Netblock Company Num of IPs
131.117.192.0/21 CD-Telematika a.s. 2,048
185.134.0.0/22 CD-Telematika a.s. 1,024
195.146.96.0/19 CD-Telematika a.s. 8,192
212.11.96.0/19 CD-Telematika a.s. 8,192
213.235.128.0/18 CD-Telematika a.s. 16,384
81.19.32.0/20 CD-Telematika a.s. 4,096
82.117.128.0/19 CD-Telematika a.s. 8,192
82.202.64.0/18 CD-Telematika a.s. 16,384
85.13.64.0/18 CD-Telematika a.s. 16,384
85.184.16.0/20 CD-Telematika a.s. 4,096
85.209.124.0/23 FIBER CONNECTIONS s.r.o. 512
89.203.128.0/17 CD-Telematika a.s. 32,768
Netblock Company
2001:1a48::/32 CD-Telematika a.s.
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IP Ranges API

WHOIS Details

aut-num:        AS25512
as-name:        CDT-AS
descr:          The Czech Republic
org:            ORG-CTa3-RIPE
remarks:        
import:         from AS1299 accept ANY
export:         to AS1299 announce AS-CDT-NETWORKS
import:         from AS174 accept ANY
export:         to AS174 announce AS-CDT-NETWORKS
remarks:        
import:         from AS6881 accept ANY
export:         to AS6881 announce AS-CDT-NETWORKS
import:         from AS47200 accept ANY
export:         to AS47200 announce ANY
import:         from AS47627 accept ANY
export:         to AS47627 announce ANY
remarks:        
import:         from AS6881 accept ANY
export:         to AS6881 announce ANY
import:         from AS21241 accept ANY
export:         to AS21241 announce ANY
import:         from AS34040 accept ANY
export:         to AS34040 announce ANY
import:         from AS35046 accept ANY
export:         to AS35046 announce ANY
import:         from AS43507 accept ANY
export:         to AS43507 announce ANY
import:         from AS44424 accept ANY
export:         to AS44424 announce ANY
import:         from AS47767 accept ANY
export:         to AS47767 announce ANY
import:         from AS47868 accept ANY
export:         to AS47868 announce ANY
import:         from AS48417 accept ANY
export:         to AS48417 announce ANY
import:         from AS56450 accept ANY
export:         to AS56450 announce ANY
import:         from AS197550 accept ANY
export:         to AS197550 announce ANY
import:         from AS49101 accept ANY
export:         to AS49101 announce ANY
import:         from AS51524 accept ANY
export:         to AS51524 announce ANY
import:         from AS56827 accept ANY
export:         to AS56827 announce ANY
import:         from AS198403 accept ANY
export:         to AS198403 announce ANY
import:         from AS56717 accept ANY
export:         to AS56717 announce ANY
import:         from AS197698 accept ANY
export:         to AS197698 announce ANY
import:         from AS47131 accept ANY
export:         to AS47131 announce ANY
import:         from AS43614 accept ANY
export:         to AS43614 announce ANY
import:         from AS56456 accept ANY
export:         to AS56456 announce ANY
import:         from AS20708 accept ANY
export:         to AS20708 announce ANY
import:         from AS62178 accept ANY
export:         to AS62178 announce ANY
import:         from AS49488 accept ANY
export:         to AS49488 announce ANY
import:         from AS60275 accept ANY
export:         to AS60275 announce ANY
import:         from AS3161 accept ANY
export:         to AS3161 announce ANY
import:         from AS20609 accept ANY
export:         to AS20609 announce ANY
import:         from AS30738 accept ANY
export:         to AS30738 announce ANY
import:         from AS50975 accept ANY
export:         to AS50975 announce ANY
import:         from AS62159 accept ANY
export:         to AS62159 announce ANY
import:         from AS197019 accept ANY
export:         to AS197019 announce ANY
import:         from AS200155 accept ANY
export:         to AS200155 announce ANY
import:         from AS200355 accept ANY
export:         to AS200355 announce ANY
import:         from AS201457 accept ANY
export:         to AS201457 announce ANY
import:         from AS42908 accept ANY
export:         to AS42908 announce ANY
import:         from AS213387 accept ANY
export:         to AS213387 announce ANY
remarks:        End of list
admin-c:        CDT-RIPE
tech-c:         CDT-RIPE
status:         ASSIGNED
mnt-by:         RIPE-NCC-END-MNT
mnt-by:         CDT-MNT
created:        2002-12-17T14:28:40Z
last-modified:  2021-05-10T06:59:39Z
source:         RIPE
abuse-email:    abuse@cdt.cz
abuse-c:        CDT-RIPE
abuse-org:      ORG-CTa3-RIPE

organisation:   ORG-CTa3-RIPE
org-name:       CD-Telematika a.s.
country:        CZ
org-type:       LIR
address:        Pod Taborem 369/8a
address:        191 00
address:        Praha 9
address:        CZECH REPUBLIC
phone:          +420210021695
fax-no:         +420210021610
e-mail:         ip@cdt.cz
admin-c:        CJ167-RIPE
admin-c:        PL1116-RIPE
abuse-c:        CDT-RIPE
mnt-ref:        RIPE-NCC-HM-MNT
mnt-ref:        CDT-MNT
notify:         abuse@cdt.cz
mnt-by:         RIPE-NCC-HM-MNT
mnt-by:         CDT-MNT
created:        2004-04-17T11:04:09Z
last-modified:  2020-12-16T13:27:40Z
source:         RIPE

person:         Petrzilek Libor
address:        CD-Telematika a.s.
address:        Pod Taborem 369/8a
address:        Prague, 191 00
address:        The Czech Republic
phone:          +420 210 021 666
nic-hdl:        PL1116-RIPE
mnt-by:         CZCOM-MNT
mnt-by:         CDT-MNT
mnt-by:         SATT-MNT
created:        2002-11-22T08:36:04Z
last-modified:  2015-06-05T06:19:18Z
source:         RIPE

role:           CDT hostmaster
address:        CD-Telematika a.s.
address:        Pod Taborem 6
address:        Praha 9
address:        191 00
address:        The Czech Republic
phone:          +420 210021 685
fax-no:         +420 210021 699
e-mail:         abuse@cdt.cz
remarks:        --------------------------------------------------
remarks:        abuse and spam reports please mail to abuse@cdt.cz
remarks:        
remarks:        peering and technical communication
remarks:        mail to ip(at)cdt.cz
remarks:        --------------------------------------------------
admin-c:        PL1116-RIPE
admin-c:        CJ167-RIPE
admin-c:        ZP642-RIPE
tech-c:         PL1116-RIPE
tech-c:         CJ167-RIPE
tech-c:         ZP642-RIPE
abuse-mailbox:  abuse@cdt.cz
nic-hdl:        CDT-RIPE
mnt-by:         CDT-MNT
created:        2004-01-26T14:58:45Z
last-modified:  2022-10-04T10:12:54Z
source:         RIPE

person:         Cerny Josef
address:        CD-Telematika a.s.
address:        Pod Taborem 369/8a
address:        19000, Prague 9
phone:          +420210021666
nic-hdl:        CJ167-RIPE
mnt-by:         CDT-MNT
created:        2009-10-12T08:55:45Z
last-modified:  2012-08-09T12:21:07Z
source:         RIPE

role:           CDT hostmaster
address:        CD-Telematika a.s.
address:        Pod Taborem 6
address:        Praha 9
address:        191 00
address:        The Czech Republic
phone:          +420 210021 685
fax-no:         +420 210021 699
e-mail:         abuse@cdt.cz
remarks:        --------------------------------------------------
remarks:        abuse and spam reports please mail to abuse@cdt.cz
remarks:        
remarks:        peering and technical communication
remarks:        mail to ip(at)cdt.cz
remarks:        --------------------------------------------------
admin-c:        PL1116-RIPE
admin-c:        CJ167-RIPE
admin-c:        ZP642-RIPE
tech-c:         PL1116-RIPE
tech-c:         CJ167-RIPE
tech-c:         ZP642-RIPE
abuse-mailbox:  abuse@cdt.cz
nic-hdl:        CDT-RIPE
mnt-by:         CDT-MNT
created:        2004-01-26T14:58:45Z
last-modified:  2022-10-04T10:12:54Z
source:         RIPE
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Hosted Domains

There are 1,672 domain names hosted across 477 IP addresses on this ASN.

IP Address Domain Domains on this IP
82.202.105.206 rasa.biz 120
81.19.42.5 kovarstvitabor.cz 108
85.13.80.72 klemsa.cz 49
195.146.100.73 nejlyzar.cz 44
195.146.111.115 hydrocont.eu 43
81.19.42.113 filmova-zbrojnice.cz 39
89.203.205.195 letistetachov.cz 30
212.11.104.13 kta-technika.cz 27
89.203.249.219 pinyaguard.com 23
82.202.105.93 lowa.sk 22
89.203.224.23 uctovani.net 21
195.146.111.104 vipkaravan.cz 21
213.235.156.42 oltisgroup.cz 21
212.11.104.4 casopis-linda.cz 21
89.203.218.141 vozar.cz 20
82.117.128.133 spravazeleznic.cz 19
81.19.42.107 logopedie-blahova.cz 19
89.203.248.238 skladovyprodej.cz 18
82.202.120.4 kostelecncl.net 15
89.203.237.19 kunetice.cz 15
89.203.250.3 zimne-zajazdy.sk 15
85.13.107.252 prasopes.eu 13
82.202.68.232 dnscurve.cz 12
213.235.133.231 agrofert-holding.cz 12
212.11.104.26 lceso.cz 12
82.202.105.37 lodger.sk 11
81.19.42.51 autoskola-baca.sk 11
85.13.90.91 graziastore.cz 10
89.203.250.187 statlit.eu 10
89.203.210.252 aloisstiskal.cz 10
195.146.105.97 nakopniprahu.cz 9
82.117.136.229 dinosaurihracky.cz 9
82.202.105.202 3dtisk3dtisk.cz 9
212.11.104.11 fittech.cz 9
82.202.105.87 green-market.cz 8
89.203.249.225 bouska.cloud 8
89.203.224.22 tomsbeer.cz 8
89.203.221.115 vithavel.cz 8
89.203.139.16 vrsvilemov.cz 8
91.234.162.107 griffin-security.eu 7
89.203.193.30 hicoria.com 7
89.203.198.12 i-bike.cz 7
89.203.139.89 hckadan.cz 7
195.146.105.93 oictgrafana.cz 7
89.203.220.94 abocontrols.com 7
195.146.111.106 aj-ostrava.cz 6
89.203.249.57 jktaxi.cz 6
89.203.250.151 dokamar.cz 6
213.235.132.5 chataivanka.cz 6
82.202.105.57 forum-inspirace.cz 6

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Useful for Cybersecurity

Peers

There are 47 peers for this ASN.

Peers Name
AS1239 Sprint
AS12741 Netia SA
AS1299 Arelion Sweden AB
AS16509 Amazon.com, Inc.
AS174 Cogent Communications
AS1764 Next Layer Telekommunikationsdienstleistungs- und Beratungs GmbH
AS197550 Internet4you.cz, spol. s r.o.
AS197698 D-H-T SYSTEMS s.r.o.
AS200155 digital cave s.r.o.
AS200355 CadcaNet plus s. r. o.
AS20609 KAZA.cz s.r.o.
AS20708 SKODA AUTO a.s.
AS212483 LEVEL EIGHTY-SIX COMMUNICATIONS LTD
AS213387 TeSuNet s.r.o.
AS24482 SG.GS
AS2852 CESNET z.s.p.o.
AS29049 Delta Telecom Ltd
AS29504 Freenet Liberec, z.s.
AS31042 Serbia BroadBand-Srpske Kablovske mreze d.o.o.
AS3161 IT PROFI s.r.o.
AS33891 Core-Backbone GmbH
AS35046 OMEGA plus Chrudim s.r.o.
AS36236 NetActuate, Inc
AS39120 Convergenze S.p.A.
AS40994 Hohl IT e.U.
AS41047 Bart Vrancken trading as MLaB
AS43507 RETE internet, s.r.o.
AS43614 Economia a.s.
AS4455 IX Reach Ltd
AS47131 PH, spol. s r. o.
AS47767 Regionalni centrum Olomouc s.r.o.
AS47868 SUPRO, spol. s r.o.
AS48417 ITS akciova spolecnost
AS49544 i3D.net B.V
AS50975 KYOCERA AVX Components s.r.o.
AS51185 Onecom Global Communications LTD
AS51331 SychrovNET s.r.o
AS51524 Ales Tesacek
AS56450 Alberon Letohrad s.r.o
AS56717 OG Soft s.r.o.
AS56827 mirnet s.r.o.
AS57463 NetIX Communications JSC
AS60275 RVTech s.r.o.
AS60501 Sirius Technology SRL
AS6881 NIX.CZ z.s.p.o.
AS6939 Hurricane Electric LLC
AS8218 Zayo Infrastructure France SA
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Upstreams

There are 3 upstreams for this ASN.

upstreams Name
AS1239 Sprint
AS1299 Arelion Sweden AB
AS174 Cogent Communications
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Downstreams

There are 20 downstreams for this ASN.

Downstreams Name
AS197550 Internet4you.cz, spol. s r.o.
AS197698 D-H-T SYSTEMS s.r.o.
AS200155 digital cave s.r.o.
AS200355 CadcaNet plus s. r. o.
AS20609 KAZA.cz s.r.o.
AS213387 TeSuNet s.r.o.
AS3161 IT PROFI s.r.o.
AS43507 RETE internet, s.r.o.
AS43614 Economia a.s.
AS47131 PH, spol. s r. o.
AS47767 Regionalni centrum Olomouc s.r.o.
AS47868 SUPRO, spol. s r.o.
AS50975 KYOCERA AVX Components s.r.o.
AS51331 SychrovNET s.r.o
AS51524 Ales Tesacek
AS56450 Alberon Letohrad s.r.o
AS56717 OG Soft s.r.o.
AS56827 mirnet s.r.o.
AS60275 RVTech s.r.o.
AS6881 NIX.CZ z.s.p.o.
Get this data and more insights on related domains, allocation dates, registry names, IP counts with IPinfo's IP-to-ASN product.

Related Networks

What is an ASN?

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 AS25512 at robtex.

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