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HomeCompaniesO2 Czech Republic, a.s.
ISP

O2 Czech Republic, a.s.

O2 Czech Republic, a.s. uses 167,896 IPv4 addresses in 156 ranges, and 31 IPv6 ranges, by the registry records IP Company reads.

nordictelecom.cz·Czechia

167,896
IPv4 addresses
156
IPv4 ranges
31
IPv6 ranges
1
AS it operates
1
country

Who routes its space

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

  1. AS42908 O2 Czech Republic, a.s.167,884 · 99.99%
  2. AS15685 CASABLANCA INT a.s.8 · 0.00%
  3. AS29208 Quantcom a.s.4 · 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. Czechia169,216 · 100.00%

Networks it operates

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

ASNNAMETYPEREGISTEREDIPV4
AS42908O2 Czech Republic, a.s.ISPCzechia183,296

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
AS42908Open00

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
15.1 Mbps
median download
5.3 Mbps
median upload
372
download tests
295
upload tests

Its address ranges

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

first 100 of 187
RANGEIPV4ORIGIN
213.19.27.103-213.19.127.25525,753AS42908
78.136.132.0-78.136.175.25511,264AS42908
176.102.128.0/198,192AS42908
94.241.64.0/198,192AS42908
94.241.96.0/198,192AS42908
213.250.195.0-213.250.220.2556,656AS42908
88.81.64.0/2088.81.80.0/216,144AS42908
213.19.6.0-213.19.27.1015,478AS42908
109.108.108.156-109.108.127.2554,964AS42908
78.136.176.0/204,096AS42908
80.90.128.0/204,096AS42908
91.187.36.0/2291.187.40.0/213,072AS42908
217.170.101.214-217.170.111.2552,602AS42908
80.251.245.153-80.251.253.2552,151AS42908
31.10.56.0/212,048AS42908
46.231.72.0/212,048AS42908
80.87.180.81-80.87.188.141,982AS42908
5.102.56.77-5.102.63.2551,971AS42908
92.61.89.0/2492.61.90.0/2392.61.92.0/221,792AS42908
217.196.116.7-217.196.122.2551,785AS42908
91.187.56.0-91.187.62.1911,728AS42908
213.155.36.0/22213.155.40.0/231,536AS42908
93.92.48.0/2293.92.52.0/231,536AS42908
109.108.102.251-109.108.108.1521,438AS42908
80.251.240.0-80.251.245.1471,428AS42908
46.183.58.160-46.183.63.2551,376AS42908
77.95.192.0-77.95.197.191,300AS42908
5.102.48.0-5.102.53.171,298AS42908
178.17.80.0/22178.17.84.0/241,280AS42908
213.155.53.0/24213.155.54.0/23213.155.56.0/231,280AS42908
213.155.59.0/24213.155.60.0/221,280AS42908
213.19.0.0/22213.19.4.0/261,088AS42908
217.196.112.0/22217.196.116.0/30217.196.116.4/311,030AS42908
185.108.60.0/221,024AS42908
185.78.12.0/221,024AS42908
193.107.252.0/221,024AS42908
193.42.128.0/221,024AS42908
213.155.43.0/24213.155.44.0/23213.155.46.0/241,024AS42908
217.196.124.0/221,024AS42908
45.159.116.0/221,024AS42908
78.136.128.0/221,024AS42908
80.243.236.0/221,024AS42908
80.78.136.0/221,024AS42908
80.79.0.0/221,024AS42908
80.87.188.16-80.87.191.2551,008AS42908
88.81.92.24-88.81.95.2551,000AS42908
178.17.92.64-178.17.95.255960AS42908
80.87.176.0-80.87.179.153922AS42908
188.119.96.0-188.119.99.96865AS42908
109.108.96.167-109.108.99.255857AS42908
5.102.53.19-5.102.56.75825AS42908
217.170.96.0/23217.170.98.0/24217.170.99.0/27800AS42908
178.17.89.0/24178.17.90.0/23768AS42908
213.155.49.0/24213.155.50.0/23768AS42908
93.93.37.0/2493.93.38.0/23768AS42908
178.17.86.0/23178.17.88.0/25640AS42908
46.183.56.0/2346.183.58.0/25640AS42908
185.157.241.172-185.157.243.255596AS42908
213.155.32.0/23213.155.34.0/27544AS42908
217.197.144.224/27217.197.145.0/24217.197.146.0/24544AS42908
185.82.236.0/23512AS42908
185.82.238.0/23512AS42908
213.155.47.0/24213.155.48.0/24512AS42908
93.92.54.0/23512AS42908
109.108.101.0-109.108.102.249506AS42908
77.95.198.43-77.95.199.255469AS42908
93.93.33.16-93.93.34.223464AS42908
217.170.99.32-217.170.100.189414AS42908
185.157.240.0/24185.157.241.0/25185.157.241.128/29392AS42908
91.187.62.192/2691.187.63.0/24320AS42908
93.93.35.216/2993.93.35.224/2793.93.36.0/24296AS42908
77.95.197.22-77.95.198.41276AS42908
178.17.85.0/24256AS42908
213.155.35.0/24256AS42908
213.155.42.0/24256AS42908
213.155.52.0/24256AS42908
213.155.58.0/24256AS42908
213.19.5.0/24256AS42908
213.250.231.0/24256AS42908
213.250.254.0/24256AS42908
217.196.123.0/24256AS42908
217.197.152.0/24256AS42908
217.197.156.0/24256AS42908
88.81.88.0/24256AS42908
91.187.52.0/24256AS42908
91.187.53.0/24256AS42908
91.187.54.0/24256AS42908
92.61.87.0/24256AS42908
93.93.34.224-93.93.35.214247AS42908
217.197.158.19-217.197.158.255237AS42908
213.155.34.32/27213.155.34.64/26213.155.34.128/25224AS42908
88.81.90.0/2588.81.90.128/2688.81.90.192/27224AS42908
93.93.32.32/2793.93.32.64/2693.93.32.128/25224AS42908
213.19.4.64/26213.19.4.128/25192AS42908
217.197.144.0/25217.197.144.128/26192AS42908
217.197.157.0/25217.197.157.128/26192AS42908
88.81.89.64/2688.81.89.128/25192AS42908
217.170.101.32-217.170.101.212181AS42908
80.87.179.155-80.87.180.79181AS42908
109.108.96.0-109.108.96.165166AS42908

Names it registers under

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

  1. O2 Czech Republic, a.s.167,884 · 99.99%
  2. Nordic Telecom s.r.o.12 · 0.01%
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