AS25512 The Czech Republic

CDT-AS

Company Website

IPv4 Addresses: 118,784

Number of Peers: 39

Number of Prefixes: 14

Traffic Estimation: 50-100Gbps

ASN
Prefixes
Peers
Upstreams
Downstreams
Graphs
World Map
Raw Whois
IX

AS25512 Summary

Regional Registry:

RIPE

Allocation Status:

Allocated

Allocation Date:

17^th December 2002

Allocated Country:

Traffic Estimation:

50-100Gbps

Traffic Ratio:

Mostly Inbound

Internet Exchanges:

3

Website:

http://www.cdt.cz

Looking Glass :

https://lg.cdt.cz

AS25512 Network

IPv4 Prefixes:

13

IPv4 Peers:

26

IPv4 Upstreams:

4

IPv6 Prefixes:

1

IPv6 Peers:

13

IPv6 Upstreams:

3

Contacts

Email Contacts:

[email protected]

[email protected]

Abuse Contacts:

[email protected]

Address:

Pernerova 2819/2a,

130 00,

,

Praha 3,

CZECH REPUBLIC

IPv4 Prefixes
IPv6 Prefixes

Country	Announced Prefix	Description	Valid ROA	Parent Prefix	RIR
	81.19.32.0/20	CD-Telematika a.s.		81.19.32.0/20	RIPE
	82.117.128.0/19	CD-Telematika a.s.		82.117.128.0/19	RIPE
	82.202.64.0/18	CD-Telematika a.s.		82.202.64.0/18	RIPE
	85.13.64.0/18	CD-Telematika a.s.		85.13.64.0/18	RIPE
	85.184.16.0/20	CD-Telematika a.s.		85.184.16.0/20	RIPE
	85.209.124.0/23	FIBER CONNECTIONS s.r.o.		85.209.124.0/22	RIPE
	89.203.128.0/17	CD-Telematika a.s.		89.203.128.0/17	RIPE
	91.234.162.0/23	Jiri Pondelicek		91.234.162.0/23	RIPE
	131.117.192.0/21	CD-Telematika a.s.		131.117.192.0/21	RIPE
	185.134.0.0/22	CD-Telematika a.s.		185.134.0.0/22	RIPE
	195.146.96.0/19	CD-Telematika a.s.		195.146.96.0/19	RIPE
	212.11.96.0/19	CD-Telematika a.s.		212.11.96.0/19	RIPE
	213.235.128.0/18	CD-Telematika a.s.		213.235.128.0/18	RIPE

Country	Announced Prefix	Description	Valid ROA	Parent Prefix	RIR
	2001:1a48::/32	CD-Telematika a.s.		2001:1a48::/32	RIPE

IPv4 Peers
IPv6 Peers

Country	ASN	Name	Description	IPv6
	AS47868	SUPRO-AS	AS SUPRO-NET
	AS1299	TWELVE99	Arelion, f/k/a Telia Carrier
	AS174	COGENT-174	Cogent Communications
	AS6939	HURRICANE	Hurricane Electric LLC
	AS197550	ASINET4YOU	Internet4you.cz, spol. s r.o.
	AS47131	PH	PH, spol. s r. o.
	AS56450	ALBERON_AS	Alberon Letohrad s.r.o
	AS43614	ECONOMIA-CZ	Economia a.s.
	AS57463	NetIX	NetIX Communications JSC
	AS6461	ZAYO-6461	Zayo Bandwidth
	AS20609	kazaczsro	KAZA.cz s.r.o.
	AS43507	RETE-AS	RETE internet, s.r.o.
	AS56827	ASMIRNETCZ	mirnet s.r.o.
	AS6881	NIXCZ	NIX.CZ z.s.p.o.
	AS47767	RCO-AS	Regionalni centrum Olomouc s.r.o.
	AS56717	RESAL-AS	OG Soft s.r.o.
	AS50975	AVX_AS	KYOCERA AVX Components s.r.o.
	AS48417	ITS-CZ	ITS akciova spolecnost
	AS51524	ASNETDELUXE	Ales Tesacek
	AS200828	THOSTING-AS	TERMS a.s.
	AS200355	CADCANET	CadcaNet plus s. r. o.
	AS20708	SKODA-AUTO	Tr. Vaclava Klementa 869
	AS3161	ASITPROFI	IT PROFI s.r.o.
	AS51331	ModernTV	SychrovNET s.r.o
	AS213387	TESUNET	TeSuNet s.r.o.
	AS200678	Arenis	Komplet NET s.r.o.

Country	ASN	Name	Description	IPv4
	AS56717	RESAL-AS	OG Soft s.r.o.
	AS57463	NetIX	NetIX Communications JSC
	AS6939	HURRICANE	Hurricane Electric LLC
	AS1299	TWELVE99	Arelion, f/k/a Telia Carrier
	AS174	COGENT-174	Cogent Communications
	AS60275	AS_RVTECH	RVTech s.r.o.
	AS43614	ECONOMIA-CZ	Economia a.s.
	AS47868	SUPRO-AS	AS SUPRO-NET
	AS51331	ModernTV	SychrovNET s.r.o
	AS20609	kazaczsro	KAZA.cz s.r.o.
	AS47767	RCO-AS	Regionalni centrum Olomouc s.r.o.
	AS56450	ALBERON_AS	Alberon Letohrad s.r.o
	AS6881	NIXCZ	NIX.CZ z.s.p.o.

IPv4 Upstreams
IPv6 Upstreams

Country	ASN	Name	Description	IPv6
	AS174	COGENT-174	Cogent Communications
	AS1299	TWELVE99	Arelion, f/k/a Telia Carrier
	AS6939	HURRICANE	Hurricane Electric LLC
	AS6461	ZAYO-6461	Zayo Bandwidth

IPv4 Upstream Graph

Country	ASN	Name	Description	IPv4
	AS174	COGENT-174	Cogent Communications
	AS1299	TWELVE99	Arelion, f/k/a Telia Carrier
	AS6939	HURRICANE	Hurricane Electric LLC

IPv6 Upstream Graph

IPv4 Downstreams
IPv6 Downstreams

Country	ASN	Name	Description	IPv6
	AS51331	ModernTV	SychrovNET s.r.o
	AS43614	ECONOMIA-CZ	Economia a.s.
	AS47868	SUPRO-AS	AS SUPRO-NET
	AS56450	ALBERON_AS	Alberon Letohrad s.r.o
	AS20609	kazaczsro	KAZA.cz s.r.o.
	AS43507	RETE-AS	RETE internet, s.r.o.
	AS47767	RCO-AS	Regionalni centrum Olomouc s.r.o.
	AS56717	RESAL-AS	OG Soft s.r.o.
	AS3161	ASITPROFI	IT PROFI s.r.o.
	AS200355	CADCANET	CadcaNet plus s. r. o.
	AS200678	Arenis	Komplet NET s.r.o.
	AS47131	PH	PH, spol. s r. o.
	AS50975	AVX_AS	KYOCERA AVX Components s.r.o.
	AS51524	ASNETDELUXE	Ales Tesacek
	AS56827	ASMIRNETCZ	mirnet s.r.o.
	AS197550	ASINET4YOU	Internet4you.cz, spol. s r.o.
	AS200828	THOSTING-AS	TERMS a.s.
	AS213387	TESUNET	TeSuNet s.r.o.
	AS6881	NIXCZ	NIX.CZ z.s.p.o.
	AS20708	SKODA-AUTO	Tr. Vaclava Klementa 869
	AS48417	ITS-CZ	ITS akciova spolecnost

Country	ASN	Name	Description	IPv4
	AS51331	ModernTV	SychrovNET s.r.o
	AS43614	ECONOMIA-CZ	Economia a.s.
	AS47868	SUPRO-AS	AS SUPRO-NET
	AS56450	ALBERON_AS	Alberon Letohrad s.r.o
	AS20609	kazaczsro	KAZA.cz s.r.o.
	AS47767	RCO-AS	Regionalni centrum Olomouc s.r.o.
	AS56717	RESAL-AS	OG Soft s.r.o.
	AS60275	AS_RVTECH	RVTech s.r.o.
	AS6881	NIXCZ	NIX.CZ z.s.p.o.

% 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

% Information related to 'AS25512'

% Abuse contact for 'AS25512' is '[email protected]'

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:        Pernerova 2819/2a
address:        130 00,
address:        Praha 3
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:  2023-12-20T07:04:08Z
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
tech-c:         PL1116-RIPE
tech-c:         CJ167-RIPE
tech-c:         ZP642-RIPE
abuse-mailbox:  [email protected]
nic-hdl:        CDT-RIPE
mnt-by:         CDT-MNT
created:        2004-01-26T14:58:45Z
last-modified:  2022-10-04T10:12:54Z
source:         RIPE

% This query was served by the RIPE Database Query Service version 1.114 (ABERDEEN)

Country	IX	Name	IPv4	IPv6	Port Speed
	NIX.CZ	Neutral Internet Exchange in the Czech Republic	91.210.16.100	2001:7f8:14::1f:1	100 Gbps
	NIX.CZ	Neutral Internet Exchange in the Czech Republic	91.210.16.101	2001:7f8:14::1f:2	100 Gbps
	NIX.SK	Neutral Internet eXchange Slovakia	194.30.187.100	2001:7f8:91::35:1	10 Gbps