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CZ.NIC, z.s.p.o.

CZ.NIC, z.s.p.o. uses 6,912 IPv4 addresses in 13 ranges, and 24 IPv6 ranges, by the registry records IP Company reads.

nic.cz·Czechia

6,912
IPv4 addresses
13
IPv4 ranges
24
IPv6 ranges
3
ASes it operates
1
country

About the company

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

Description
Czech non-profit organization operating the .cz national top-level domain
Founded
1998
Headquarters
Prague, Czechia
Industry
Internet
Employees
134
Legal name
CZ.NIC, z.s.p.o.
LEI
315700NJ98RSF010YO89
Registered
Czechia, no. 67985726

Who routes its space

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

  1. AS25192 CZ.NIC, z.s.p.o.5,888 · 85.19%
  2. AS20701 CZ.NIC, z.s.p.o.512 · 7.41%
  3. AS200070 CZ.NIC, z.s.p.o.256 · 3.70%
  4. AS59747 NIX.CZ z.s.p.o.0 · 0.00%

Where its space is

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

  1. Czechia6,912 · 100.00%

Networks it operates

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

ASNNAMETYPEREGISTEREDIPV4
AS25192CZ.NIC, z.s.p.o.BusinessCzechia5,888
AS20701CZ.NIC, z.s.p.o.BusinessCzechia512
AS200070CZ.NIC, z.s.p.o.BusinessCzechia256

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
AS25192Open20-100MbpsBalancedGlobal130
AS200070Open100-1000MbpsBalancedGlobal70

Internet exchanges

The internet exchanges its networks connect at, by the capacity of their ports there: 18 exchanges, 25 ports and 442 Gbps in all.

EXCHANGEWHEREPORTSCAPACITY
NIX.CZPrague, Czechia3210 Gbps
SIX SeattleSeattle, United States140 Gbps
DE-CIX FrankfurtFrankfurt, Germany220 Gbps
Giganet IXNAmsterdam, Frankfurt am Main, Kharkiv, Kyiv, Lviv, Odesa, Warsaw, Zaporizhzhia, Zhytomyr, Ukraine220 Gbps
JINXJohannesburg, South Africa220 Gbps
NIX.SKBratislava, Slovakia220 Gbps
IX.br (PTT.br) São PauloSão Paulo/SP, Brazil110 Gbps
LINX LON1London, United Kingdom110 Gbps
LINX LON2London, United Kingdom110 Gbps
LINX NoVAAshburn, Reston, Manassas, United States110 Gbps
MIX-ITMilan, Italy110 Gbps
Netnod Stockholm BLUE -- MTU1500Stockholm, Sweden110 Gbps
Netnod Stockholm BLUE -- MTU4470Stockholm, Sweden110 Gbps
Netnod Stockholm GREEN -- MTU1500Stockholm, Sweden110 Gbps
Netnod Stockholm GREEN -- MTU4470Stockholm, Sweden110 Gbps
SGIXSingapore, Singapore110 Gbps
VIXVienna, Austria110 Gbps
JPNAP TokyoTokyo, Japan22 Gbps

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
131 Mbps
median download
140 Mbps
median upload
1
download tests
1
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.

RANGEIPV4ORIGIN
217.31.194.0/23512AS25192
217.31.196.0/221,024AS25192
217.31.200.0/24256AS25192
217.31.204.0/221,024AS25192
185.43.132.0/23512AS25192
185.43.134.0/24256AS25192
194.0.12.0/23512AS25192
217.31.192.0/23512AS25192
217.31.201.0/24256AS25192
217.31.202.0/24256AS25192
185.43.135.0/24256AS20701
193.17.47.0/24256AS20701
193.29.206.0/24256AS25192
194.0.14.0/24256AS200070
212.237.229.0/24256AS25192
217.31.203.0/24256AS25192
5.187.34.0/24256
2001:1489::-2001:148f:fffa:ffff:ffff:ffff:ffff:ffff
2001:1488:800:401::-2001:1488:9fff:ffff:ffff:ffff:ffff:ffffAS25192
2001:1488:ac17::-2001:1488:d91e:ffff:ffff:ffff:ffff:ffffAS25192
2001:1488:d920::-2001:1488:fffd:ffff:ffff:ffff:ffff:ffffAS25192
2001:1488:a001::-2001:1488:aaa9:ffff:ffff:ffff:ffff:ffffAS25192
2001:1488:2::-2001:1488:800:3ff:ffff:ffff:ffff:ffffAS25192
2001:1488:aaab::-2001:1488:ac14:ffff:ffff:ffff:ffff:ffffAS25192
2001:1488::/47AS25192
2001:1488:ac15::/48AS25192
2001:1488:ac16::/48AS25192
2001:148f:fffe::/47AS20701
2001:678:f::/48AS25192
2001:678:10::/48AS25192
2001:1488:fffe::/48AS25192
2001:1488:ffff::/64AS25192
2001:1488:a000::/48AS25192
2001:1488:aaaa::/48AS25192
2001:1488:d91f::/48AS25192
2001:148f:fffb::/48AS25192
2001:148f:fffc::/48AS59747
2001:148f:fffd::/48AS25192
2001:678:11::/48AS200070
2001:678:1::/48AS25192
2001:1488:ffff:65::-2001:1488:ffff:ffff:ffff:ffff:ffff:ffffAS25192
2001:1488:ffff:1::-2001:1488:ffff:63:ffff:ffff:ffff:ffffAS25192
2001:1488:800:400::/64AS25192
2001:1488:ffff:64::/64AS25192
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