AS Number
AS25512
AS Name
CDT-AS
Org Name
CD-Telematika a.s.
Country
Czech
Registry

ripe

RegDate

N/A

Updated

2021-05-10T06:59:39Z

AS25512 Looking Glass
https://lg.cdt.cz
IPv4Prefixes

13

IPv6Prefixes

1

IPv4 NUMs

118,784

IPv6 NUMs(/64)

4,294,967,296

118,784 IPv4 Addresses
CIDR Description IP Num
81.19.32.0/20 CD-Telematika a.s. 4096
82.117.128.0/19 CD-Telematika a.s. 8192
82.202.64.0/18 CD-Telematika a.s. 16384
85.13.64.0/18 CD-Telematika a.s. 16384
85.184.16.0/20 CD-Telematika a.s. 4096
85.209.124.0/23 FIBER CONNECTIONS s.r.o. 512
89.203.128.0/17 CD-Telematika a.s. 32768
91.234.162.0/23 Jiri Pondelicek 512
131.117.192.0/21 CD-Telematika a.s. 2048
185.134.0.0/22 CD-Telematika a.s. 1024
195.146.96.0/19 CD-Telematika a.s. 8192
212.11.96.0/19 CD-Telematika a.s. 8192
213.235.128.0/18 CD-Telematika a.s. 16384
CIDR Description IP NUMs(prefix /64)
2001:1a48::/32 CD-Telematika a.s. 4294967296
AS Description Country/Region IPv4 NUMs IPv6 NUMs IPv4 IPv6
AS43531 IXREACH - IX Reach Ltd, GB United Kingdom 18,944 4,294,967,296 IPv4 IPv4 IPv6 IPv6
AS263009 FORTE TELECOM LTDA., BR Brazil 3,840 4,294,967,296 IPv4 IPv4 IPv6 IPv6
AS264409 GRUPO YAX, BR Brazil 1,024 393,216 IPv4 IPv4 IPv6 IPv6
AS40994 Alwyzon - Michael Hohl trading as Hohl IT e.U., AT Austria 1,024 4,295,032,832 IPv4 IPv4 IPv6 IPv6
AS42306 EDERA_Group - Edera Group a.s., CZ Czech 19,456 103,079,215,104 IPv4 IPv4
AS1820 WNET - WNET TELECOM USA Corp., US United States 35,072 4,294,967,296 IPv4 IPv4 IPv6 IPv6
AS5394 Unidata - UNIDATA S.p.A., IT Italy 83,968 4,294,967,296 IPv4 IPv4
AS6881 NIXCZ - NIX.CZ z.s.p.o., CZ Czech 2,304 4,294,967,296 IPv4 IPv4
AS6939 HURRICANE - Hurricane Electric LLC, US United States 494,592 282,665,488,744,448 IPv4 IPv4 IPv6 IPv6
AS24482 SGGS-AS-AP - SG.GS, SG Singapore 23,296 4,294,967,296 IPv4 IPv4 IPv6 IPv6
AS39120 CONVERGENZE-AS - Convergenze S.p.A., IT Italy 32,512 12,884,901,888 IPv4 IPv4
AS57463 NetIX - NetIX Communications JSC, BG Bulgaria 512 0 IPv4 IPv4 IPv6 IPv6
AS60501 SIRIUSTEC-IT - Sirius Technology SRL, IT Italy 14,592 107,374,182,400 IPv4 IPv4
AS1299 TWELVE99 - Telia Company AB, SE Sweden 274,688 17,600,776,830,976 IPv4 IPv4 IPv6 IPv6
AS2852 CESNET2 - CESNET z.s.p.o., CZ Czech 848,896 4,294,967,296 IPv4 IPv4 IPv6 IPv6
AS41047 NL-MLAB - Bart Vrancken trading as MLaB, NL Netherlands 1,024 12,884,901,888 IPv4 IPv4
AS174 COGENT-174 - Cogent Communications, US United States 27,334,144 224,501,006,336 IPv4 IPv4 IPv6 IPv6
AS4455 BSO - IX Reach Ltd, GB United Kingdom 20,992 4,294,967,296 IPv4 IPv4 IPv6 IPv6
AS8218 NEO-ASN - Zayo France SAS, FR France 54,016 8,590,786,560 IPv4 IPv4 IPv6 IPv6
AS33891 CORE-BACKBONE - Core-Backbone GmbH, DE Germany 0 0 IPv4 IPv4 IPv6 IPv6
AS36236 NETACTUATE - NetActuate, Inc, US United States 56,320 5,665,128,448 IPv4 IPv4 IPv6 IPv6
AS41327 FIBERTELECOM-AS - Fiber Telecom S.p.A., IT Italy 8,960 68,719,476,736 IPv4 IPv4 IPv6 IPv6
AS Description Country/Region IPv4 NUMs IPv6 NUMs IPv4 IPv6
AS16509 AMAZON-02 - Amazon.com, Inc., US United States 41,105,408 117,654,945,792 IPv4 IPv4
AS62178 Master_IT_Technologies - MASTER IT Technologies, a.s., CZ Czech 3,072 34,359,738,368 IPv6 IPv6
AS1299 TWELVE99 - Telia Company AB, SE Sweden 274,688 17,600,776,830,976 IPv4 IPv4
AS48417 ITS-CZ - ITS akciova spolecnost, CZ Czech 4,096 4,294,967,296 IPv4 IPv4 IPv6 IPv6
AS51331 ModernTV - SychrovNET s.r.o, CZ Czech 1,280 16,777,216 IPv4 IPv4 IPv6 IPv6
AS200155 AS-TCPISEK-CZ - Technologicke centrum Pisek s.r.o., CZ Czech 1,024 34,359,738,368 IPv4 IPv4 IPv6 IPv6
AS35046 OMEGAPLUS-AS - OMEGA plus Chrudim s.r.o., CZ Czech 7,168 4,294,967,296 IPv4 IPv4 IPv6 IPv6
AS44424 AS44424 - Internet Mall, a.s., CZ Czech 2,048 4,294,967,296 IPv4 IPv4 IPv6 IPv6
AS47131 PH - PH, spol. s r. o., CZ Czech 2,048 0 IPv4 IPv4
AS47767 RCO-AS - Regionalni centrum Olomouc s.r.o., CZ Czech 2,048 4,294,967,296 IPv4 IPv4 IPv6 IPv6
AS47868 SUPRO-AS - SUPRO, spol. s r.o., CZ Czech 4,096 4,294,967,296 IPv4 IPv4 IPv6 IPv6
AS51449 KTUO-AS - Kabelova televize Usti nad Orlici, spol. s r. o., CZ Czech 256 0 IPv4 IPv4
AS197698 DHT_Systems - D-H-T SYSTEMS s.r.o., CZ Czech 512 0 IPv4 IPv4
AS174 COGENT-174 - Cogent Communications, US United States 27,334,144 224,501,006,336 IPv4 IPv4
AS20609 kazaczsro - KAZA.cz s.r.o., CZ Czech 2,048 4,295,032,832 IPv4 IPv4 IPv6 IPv6
AS43507 RETE-AS - RETE internet, s.r.o., CZ Czech 8,192 0 IPv4 IPv4
AS50975 AVX_AS - AVX Czech republic s.r.o, CZ Czech 2,048 0 IPv4 IPv4
AS213387 TESUNET - TeSuNet s.r.o., CZ Czech 256 0 IPv4 IPv4
AS34040 CZTTNET-AS - TTNET s.r.o., CZ Czech 14,336 4,294,967,296 IPv4 IPv4 IPv6 IPv6
AS51524 ASNETDELUXE - Ales Tesacek, CZ Czech 2,048 0 IPv4 IPv4
AS56450 ALBERON_AS - Alberon Letohrad s.r.o, CZ Czech 4,096 34,359,738,368 IPv4 IPv4 IPv6 IPv6
AS201457 KOOPERATIVA-AS - Kooperativa pojistovna, a.s., Vienna Insurance Group, CZ Czech 1,024 4,294,967,296 IPv4 IPv4 IPv6 IPv6
AS3161 ASITPROFI - IT PROFI s.r.o., CZ Czech 512 0 IPv4 IPv4
AS43614 ECONOMIA-CZ - Economia a.s., CZ Czech 3,072 4,294,967,296 IPv4 IPv4 IPv6 IPv6
AS57463 NetIX - NetIX Communications JSC, BG Bulgaria 512 0 IPv4 IPv4
AS6881 NIXCZ - NIX.CZ z.s.p.o., CZ Czech 2,304 4,294,967,296 IPv4 IPv4 IPv6 IPv6
AS30738 NETART-AS - NetArt Group s.r.o., CZ Czech 512 2,415,919,104 IPv4 IPv4 IPv6 IPv6
AS60275 AS_RVTECH - RVTech s.r.o., CZ Czech 512 65,536 IPv4 IPv4 IPv6 IPv6
AS62159 ASHAPPY - Happy Technik s.r.o., CZ Czech 1,280 34,359,803,904 IPv4 IPv4 IPv6 IPv6
AS200355 CADCANET - CadcaNet plus s. r. o., SK Slovakia 1,024 0 IPv4 IPv4
AS56717 RESAL-AS - OG Soft s.r.o., CZ Czech 256 0 IPv4 IPv4
AS56827 ASMIRNETCZ - mirnet s.r.o., CZ Czech 1,024 0 IPv4 IPv4
AS197550 ASINET4YOU - Internet4you.cz, spol. s r.o., CZ Czech 4,096 0 IPv4 IPv4

Peers at this Exchange Point

Country/Region IX IPv4 IPv6 Port Speed Updated
Czech NIX.CZ - Neutral Internet Exchange in the Czech Republic 91.210.16.101 2001:7f8:14::1f:2 100 Gbps 2020-11-28 09:36:22
Czech NIX.CZ - Neutral Internet Exchange in the Czech Republic 91.210.16.100 2001:7f8:14::1f:1 100 Gbps 2020-11-28 09:36:22
Slovakia NIX.SK - Neutral Internet eXchange Slovakia 194.30.187.100 2001:7f8:91::35:1 10 Gbps 2018-06-25 08:19:40

Private Peering Facilities

Country/Region Name City Website Updated
CE Colo Prague Prague http://www.cecolo.com/ 2016-03-14 20:50:34
Sitel Bratislava Bratislava http://www.sitel.sk 2018-06-25 08:19:59
IP Address Domain NUMs Domains
81.19.32.164 1 cacti.cd-t.cz
81.19.32.254 1 amazonka.grulichcz.cz
81.19.33.2 5 b.ns.synchronicity.cz
81.19.34.2 2 mspool2.cdt.cz
81.19.34.174 9 eurosignal.eu
81.19.34.178 2 basketmagazin.cz
81.19.34.226 2 cdt.cz
81.19.38.163 1 mail.sezev-reko.cz
81.19.38.164 1 hd.sezev-reko.cz
81.19.42.3 2 mail.smartemporium.cz
as-block:       AS25365 - AS25542
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:        2018-11-22T15:27:30Z
last-modified:  2018-11-22T15:27:30Z
source:         RIPE



aut-num:        AS25512
as-name:        CDT-AS
descr:          The Czech Republic
org:            ORG-CTa3-RIPE
remarks:        # TRANSIT
import:         from AS1299 accept ANY # TELIA
export:         to AS1299 announce AS-CDT-NETWORKS
import:         from AS174 accept ANY # COGENT
export:         to AS174 announce AS-CDT-NETWORKS
remarks:        # Peering
import:         from AS6881 accept ANY # NIXCZ
export:         to AS6881 announce AS-CDT-NETWORKS
import:         from AS47200 accept ANY # NIX Routeservers
export:         to AS47200 announce ANY
import:         from AS47627 accept ANY # NIXSK Routeservers
export:         to AS47627 announce ANY
remarks:        # CUSTOMERS
import:         from AS6881 accept ANY # NIX
export:         to AS6881 announce ANY
import:         from AS21241 accept ANY # MUZO
export:         to AS21241 announce ANY
import:         from AS34040 accept ANY # TTNET
export:         to AS34040 announce ANY
import:         from AS35046 accept ANY # Omega
export:         to AS35046 announce ANY
import:         from AS43507 accept ANY # RETE
export:         to AS43507 announce ANY
import:         from AS44424 accept ANY # MALL
export:         to AS44424 announce ANY
import:         from AS47767 accept ANY # RCO
export:         to AS47767 announce ANY
import:         from AS47868 accept ANY # SUPRO
export:         to AS47868 announce ANY
import:         from AS48417 accept ANY # ITS
export:         to AS48417 announce ANY
import:         from AS56450 accept ANY # ALBERON
export:         to AS56450 announce ANY
import:         from AS197550 accept ANY # INTERNET4YOU
export:         to AS197550 announce ANY
import:         from AS49101 accept ANY # KTCZ
export:         to AS49101 announce ANY
import:         from AS51524 accept ANY # ATESACEK
export:         to AS51524 announce ANY
import:         from AS56827 accept ANY # MIRNET SRO
export:         to AS56827 announce ANY
import:         from AS198403 accept ANY # MATRIGO
export:         to AS198403 announce ANY
import:         from AS56717 accept ANY # RESAL
export:         to AS56717 announce ANY
import:         from AS197698 accept ANY # D-H-T
export:         to AS197698 announce ANY
import:         from AS47131 accept ANY # PHSPOL
export:         to AS47131 announce ANY
import:         from AS43614 accept ANY # ECONOMIA
export:         to AS43614 announce ANY
import:         from AS56456 accept ANY # C2NET
export:         to AS56456 announce ANY
import:         from AS20708 accept ANY # SKODA AUTO a.s.
export:         to AS20708 announce ANY
import:         from AS62178 accept ANY # MASTER IT
export:         to AS62178 announce ANY
import:         from AS49488 accept ANY # TLD via NIX
export:         to AS49488 announce ANY
import:         from AS60275 accept ANY # RVTECH
export:         to AS60275 announce ANY
import:         from AS3161 accept ANY # IT Profi Vimperk
export:         to AS3161 announce ANY
import:         from AS20609 accept ANY # Kaza
export:         to AS20609 announce ANY
import:         from AS30738 accept ANY # Netart
export:         to AS30738 announce ANY
import:         from AS50975 accept ANY # AVX_AS
export:         to AS50975 announce ANY
import:         from AS62159 accept ANY # HAPPY Technik
export:         to AS62159 announce ANY
import:         from AS197019 accept ANY # Wedos
export:         to AS197019 announce ANY
import:         from AS200155 accept ANY # TCPISEK-CZ
export:         to AS200155 announce ANY
import:         from AS200355 accept ANY # CADCANET
export:         to AS200355 announce ANY
import:         from AS201457 accept ANY # KOOPERATIVA-AS
export:         to AS201457 announce ANY
import:         from AS42908 accept ANY # AS-NORDICTELECOM
export:         to AS42908 announce ANY
import:         from AS213387 accept ANY # TESUNET
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

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:         [email protected]
admin-c:        CJ167-RIPE
admin-c:        PL1116-RIPE
abuse-c:        CDT-RIPE
mnt-ref:        RIPE-NCC-HM-MNT
mnt-ref:        CDT-MNT
notify:         [email protected]
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

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:         [email protected]
remarks:        --------------------------------------------------
remarks:        abuse and spam reports please mail to [email protected]
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
admin-c:        JV6892-RIPE
tech-c:         PL1116-RIPE
tech-c:         CJ167-RIPE
tech-c:         ZP642-RIPE
tech-c:         JV6892-RIPE
abuse-mailbox:  [email protected]
nic-hdl:        CDT-RIPE
mnt-by:         CDT-MNT
created:        2004-01-26T14:58:45Z
last-modified:  2018-08-20T08:44:52Z
source:         RIPE