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CD-Telematika a.s.

CD-Telematika a.s. uses 65,334 IPv4 addresses in 203 ranges, and 33 IPv6 ranges, by the registry records IP Company reads.

cdt.cz·Czechia

65,334
IPv4 addresses
203
IPv4 ranges
33
IPv6 ranges
1
AS it operates
1
country

About the company

Who it is, where it is registered and who owns it.

Description
Czech telecommunications company
Founded
1994
Headquarters
Prague, Czechia
Industry
Infrastructure, Telecommunications industry
Parent
České dráhy
Legal name
ČD - Telematika a.s.
LEI
31570010000000112712
Registered
Czechia, no. 61459445
Ultimate parent
České dráhy, a.s.

Who routes its space

The networks announcing its IPv4, by the addresses each announces.

  1. AS25512 CD-Telematika a.s.65,312 · 99.97%
  2. AS13036 T-Mobile Czech Republic a.s.10 · 0.02%
  3. AS174 Cogent Communications, LLC8 · 0.01%
  4. AS29208 Quantcom a.s.4 · 0.01%

Where its space is

Its IPv4 that IP Geolocation places, by country. A /24 counts for the company using most of it.

  1. Czechia67,328 · 100.00%

Networks it operates

The autonomous systems registered under its domain, by the IPv4 each announces anywhere.

ASNNAMETYPEREGISTEREDIPV4
AS25512CD-Telematika a.s.ISPCzechia117,760

How its networks peer

Each network's peering policy, traffic, ratio and reach as its operator states them, with the internet exchanges and facilities it is at.

ASNPOLICYTRAFFICRATIOSCOPEEXCHANGESFACILITIES
AS25512Open100-200GbpsMostly InboundEurope22

Internet exchanges

The internet exchanges its networks connect at, by the capacity of their ports there: 2 exchanges, 3 ports and 210 Gbps in all.

EXCHANGEWHEREPORTSCAPACITY
NIX.CZPrague, Czechia2200 Gbps
NIX.SKBratislava, Slovakia110 Gbps

Facilities

The datacenters and colocation sites its networks are in: 2 in 2 countries, the country with the most first.

FACILITYWHERE
CE Colo PraguePrague, Czechia
Sitel BratislavaBratislava, Slovakia

What the databases see

Addresses each address-keyed database holds in its IPv4, as a share of it, with the largest providers. A /24 counts for the company using most of it; counts overlap.

Speed tests

Speeds measured from its space in the last 90 days.

From M-Lab
4.9 Mbps
median download
2.3 Mbps
median upload
839
download tests
505
upload tests

Its address ranges

Its largest IPv4 ranges, then its IPv6 ones, as IP Company draws them, a CIDR a row, with the network announcing each.

first 100 of 236 ranges
RANGEIPV4ORIGIN
213.235.146.0/23512AS25512
213.235.148.0/221,024AS25512
213.235.152.0/221,024AS25512
85.184.23.0/24256AS25512
85.184.24.0/212,048AS25512
213.235.167.128/25128AS25512
213.235.168.0/212,048AS25512
131.117.192.0/212,048AS25512
85.13.120.0-85.13.127.1271,920AS25512
213.235.135.0/24256AS25512
213.235.136.0/221,024AS25512
85.13.69.0/24256AS25512
85.13.70.0/23512AS25512
85.13.72.0/23512AS25512
85.13.75.0/24256AS25512
85.13.76.0/221,024AS25512
85.184.16.0/221,024AS25512
85.184.20.0/24256AS25512
185.134.0.0/221,024AS25512
213.235.161.0/24256AS25512
213.235.162.0/23512AS25512
213.235.164.0/24256AS25512
82.117.154.0/23512AS25512
82.117.156.0/23512AS25512
82.202.102.0/23512AS25512
82.202.104.0/23512AS25512
82.202.96.0/221,024AS25512
89.203.220.0/221,024AS25512
89.203.248.0/221,024AS25512
89.203.252.0/221,024AS25512
81.19.38.176-81.19.41.255848AS25512
195.146.124.0/23512AS25512
195.146.126.0/24256AS25512
195.146.127.0/2664AS25512
212.11.124.203-212.11.127.255821AS25512
213.235.128.0/23512AS25512
213.235.130.0/24256AS25512
213.235.131.0/321AS25512
212.11.99.0/24256AS25512
212.11.100.0/23512AS25512
82.202.108.0/23512AS25512
82.202.110.0/24256AS25512
82.202.115.0/24256AS25512
82.202.116.0/23512AS25512
82.202.83.0/24256AS25512
82.202.84.0/23512AS25512
82.202.91.0/24256AS25512
82.202.92.0/23512AS25512
85.13.101.0/24256AS25512
85.13.102.0/23512AS25512
89.203.130.0/23512AS25512
89.203.132.0/24256AS25512
89.203.133.0/24256AS25512
89.203.134.0/23512AS25512
89.203.148.0/23512AS25512
89.203.150.0/24256AS25512
89.203.176.0/23512AS25512
89.203.178.0/24256AS25512
89.203.202.0/23512AS25512
89.203.204.0/24256AS25512
81.19.33.103-81.19.35.255665AS25512
195.146.103.0-195.146.105.116629AS25512
195.146.108.244-195.146.111.63588AS25512
82.117.130.192/2664AS25512
82.117.131.0/24256AS25512
82.117.132.0/24256AS25512
195.146.118.0/23512AS25512
195.146.121.0/24256AS25512
195.146.122.0/24256AS25512
195.146.99.0/24256AS25512
195.146.100.0/24256AS25512
82.117.138.0/23512AS25512
82.117.149.0/24256AS25512
82.117.150.0/24256AS25512
82.202.126.0/23512AS25512
85.13.114.0/23512AS25512
85.13.86.0/23512AS25512
85.13.96.0/23512AS25512
85.13.98.0/23512AS25512
89.203.156.0/23512AS25512
89.203.182.0/23512AS25512
89.203.186.0/23512AS25512
89.203.200.0/23512AS25512
89.203.208.0/23512AS25512
89.203.231.0/24256AS25512
89.203.232.0/24256AS25512
89.203.163.1-89.203.164.255511AS25512
195.146.97.4-195.146.98.255508AS25512
212.11.119.224/2732AS25512
212.11.120.0/24256AS25512
212.11.121.0/25128AS25512
212.11.117.0/24256AS25512
212.11.118.0/25128AS25512
82.202.106.0/24256AS25512
82.202.107.0/25128AS25512
81.19.32.0-81.19.33.101358AS25512
82.117.158.0-82.117.159.68325AS25512
212.11.123.136-212.11.124.201322AS25512
81.19.44.191/321AS25512
81.19.44.192/2664AS25512
81.19.45.0/24256AS25512
195.146.107.192-195.146.108.239304AS25512
195.146.114.120-195.146.115.151288AS25512
195.146.113.0/24256AS25512
195.146.117.0/24256AS25512
195.146.123.0/24256AS25512
212.11.118.192/2664AS25512
212.11.119.0/25128AS25512
212.11.119.128/2664AS25512
212.11.122.0/24256AS25512
213.235.133.0/24256AS25512
213.235.143.0/24256AS25512
213.235.165.0/24256AS25512
213.235.166.0/24256AS25512
213.235.185.0/24256AS25512
81.19.37.0/24256AS25512
82.117.129.0/24256AS25512
82.117.133.0/24256AS25512
82.117.135.0/24256AS25512
82.117.142.0/24256AS25512
82.117.145.0/24256AS25512
82.202.101.0/24256AS25512
82.202.72.0/24256AS25512
82.202.73.0/24256AS25512
85.13.100.0/24256AS25512
85.13.109.0/24256AS25512
85.13.113.0/24256AS25512
85.13.64.0/24256AS25512
85.13.65.0/24256AS25512
85.13.68.0/24256AS25512
85.13.74.0/24256AS25512
89.203.136.0/24256AS25512
89.203.146.0/24256AS25512
89.203.151.0/24256AS25512
89.203.167.0/24256AS25512
89.203.175.0/24256AS25512
89.203.180.0/24256AS25512
89.203.181.0/24256AS25512
89.203.184.0/24256AS25512
89.203.219.0/24256AS25512
89.203.228.0/24256AS25512
89.203.233.0/24256AS25512

Names it registers under

The holder names its registry records give, by the IPv4 under each.

  1. CD-Telematika a.s.65,064 · 99.59%
  2. Ceske drahy a.s., Telematika o.z.256 · 0.39%
  3. CD - Telematika a.s.14 · 0.02%
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01 · License

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