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Organisation

O2 Czech Republic, a.s.

Enterprise Czechia
IPv4-Adressen
2,032,128
CIDR-Bereiche
145
Kategorie
enterprise
BGP prefixes announced
149
live routing →

Reputation · trust score

A transparent 0–100 signal. Every entity starts at a neutral baseline of 65; threat-intel blocklists, exposure, reverse-DNS, routing and allocation each adjust it up or down. Higher is more trustworthy.

69/100
Moderate
How this score is built
  • Baseline (neutral) 65
  • Enterprise allocation +4
  • Trust score 69 / 100

Experimental · trust-vectors model v1.2.0 — a transparent heuristic, not a definitive verdict. How it works →

About Nej.cz

Company in the Czech Republic.

Founded
2014
Headquarters
Prague
Industry
telecommunications
Parent
Kaprain Holdings
Employees
197

Operates 7 networks present at 2 internet exchanges with a open peering policy.

Data from Wikidata

O2 Czech Republic, a.s. — globaler IP-Fußabdruck

Städte, in denen O2 Czech Republic, a.s. verfügt über messbare IPv4-Zuweisung. Klicken Sie auf einen Punkt, um die Seite der Stadt zu öffnen. Größe und Farbe skalieren mit der IP-Anzahl.

Länder, die von O2 Czech Republic, a.s. bedient werden

Jedes Land, in dem diese Organisation IPv4-Zuweisungen hat, sortiert nach gehaltenen IPs.

Czechia 2.04M

ASNs im Besitz von O2 Czech Republic, a.s.

ASNNameIPsPräfixeLand
AS5610 O2 Czech Republic, a.s. 1.54M 47 CZ
AS42908 O2 Czech Republic, a.s. 183.3K 35 CZ
AS16246 O2 Czech Republic, a.s. 133.1K 13 CZ
AS31246 O2 Czech Republic, a.s. 66.6K 5 CZ
AS12570 O2 Czech Republic, a.s. 50.2K 31 CZ
AS41046 O2 Czech Republic, a.s. 32.8K 4 CZ
AS29321 O2 Czech Republic, a.s. 15.4K 5 CZ
AS49767 O2 Czech Republic, a.s. 5.1K 2 CZ
AS44070 O2 Czech Republic, a.s. 4.1K 2 CZ
AS47681 O2 Czech Republic, a.s. 1.0K 1 CZ

Größte CIDR-Bereiche

CIDRIPsPTR DensityASNLandStateCity
88.100.0.0/14 262.1K
77.8%
AS5610 CZ Plzeň Region Pilsen
90.180.0.0/14 262.1K
22.6%
AS5610 CZ Prague Prague
85.70.0.0/15 131.1K
96.3%
AS5610 CZ Prague Prague
85.160.0.0/15 131.1K
99.2%
AS5610 CZ Prague Prague
90.178.0.0/15 131.1K
100.0%
AS5610 CZ Prague Prague
109.80.0.0/15 131.1K
0.0%
AS5610 CZ Central Bohemia Bělá pod Bezdězem
80.188.0.0/16 65.5K
36.5%
AS5610 CZ Ústí nad Labem Region Bechlín
83.208.0.0/16 65.5K
92.4%
AS5610 CZ Prague Prague
90.177.0.0/16 65.5K
100.0%
AS5610 CZ Moravian-Silesian Region Brušperk
160.218.0.0/16 65.5K
86.3%
AS5610 CZ Central Bohemia Lysá nad Labem
188.175.0.0/16 65.5K
89.9%
AS16246 CZ Moravian-Silesian Region Frýdek-Místek
37.188.128.0/17 32.8K
95.0%
AS5610 CZ Prague Prague
83.240.0.0/17 32.8K
16.9%
AS31246 CZ Pardubice Region Vražné
90.176.128.0/17 32.8K
99.1%
AS5610 CZ Moravian-Silesian Region Ostrava
194.228.0.0/17 32.8K
11.0%
AS5610 CZ South Moravian Brno
213.19.0.0/17 32.8K
93.0%
AS42908 CZ Pardubice Region Litomyšl
78.136.128.0/18 16.4K
95.2%
AS42908 CZ Prague Prague
85.193.0.0/18 16.4K
12.5%
AS5610 CZ South Moravian Brno
90.176.64.0/18 16.4K
100.0%
AS5610 CZ Prague Prague
94.74.192.0/18 16.4K
87.2%
AS16246 CZ Prague Prague
94.241.64.0/18 16.4K
100.0%
AS42908 CZ Moravian-Silesian Region Vratimov
95.82.128.0/18 16.4K
17.9%
AS31246 CZ South Moravian Brno
178.72.192.0/18 16.4K
97.3%
AS41046 CZ Moravian-Silesian Region Ostrava
194.228.192.0/18 16.4K
6.2%
AS5610 CZ Prague Prague
213.250.192.0/18 16.4K
100.0%
AS42908 CZ Pardubice Region Morašice
46.39.160.0/19 8.2K
17.5%
AS31246 CZ South Moravian Brno
82.114.192.0/19 8.2K
95.1%
AS41046 CZ Olomouc Region Přerov
82.150.160.0/19 8.2K
32.2%
AS16246 CZ Ústí nad Labem Region Lovosice
83.69.32.0/19 8.2K
99.7%
AS5610 CZ — —
86.63.192.0/19 8.2K
45.0%
AS16246 CZ Olomouc Region Olomouc
88.81.64.0/19 8.2K
97.4%
AS42908 CZ Moravian-Silesian Region Frýdlant nad Ostravicí
88.83.160.0/19 8.2K
0.2%
AS5610 CZ South Bohemian Region Český Krumlov
88.83.224.0/19 8.2K
90.8%
AS12570 CZ South Moravian Velké Pavlovice
90.176.32.0/19 8.2K
100.0%
AS5610 CZ Prague Prague
91.187.32.0/19 8.2K
100.0%
AS42908 CZ Olomouc Region Olomouc
91.191.96.0/19 8.2K
99.4%
AS5610 SK — —
92.240.160.0/19 8.2K
92.6%
AS16246 CZ Liberec Region Česká Lípa
92.243.192.0/19 8.2K
0.0%
AS5610 CZ — —
109.105.32.0/19 8.2K
5.9%
AS12570 CZ South Moravian Břeclav
109.108.96.0/19 8.2K
100.0%
AS42908 CZ Pardubice Region Ústí nad Orlicí
176.102.128.0/19 8.2K
99.0%
AS42908 CZ Olomouc Region Uničov
194.228.160.0/19 8.2K
0.9%
AS5610 CZ Prague Prague
213.155.32.0/19 8.2K
98.9%
AS42908 CZ Pardubice Region Opatov
213.155.224.0/19 8.2K
0.0%
AS31246 CZ Moravian-Silesian Region Opava
213.180.32.0/19 8.2K
43.6%
AS16246 CZ Central Bohemia Neratovice
5.102.48.0/20 4.1K
96.3%
AS42908 CZ Central Bohemia Beroun
77.242.80.0/20 4.1K
99.2%
AS41046 CZ South Bohemian Region Tábor
80.78.144.0/20 4.1K
81.8%
AS12570 CZ — —
80.87.176.0/20 4.1K
86.8%
AS42908 CZ South Moravian Velké Bílovice
80.90.128.0/20 4.1K
90.4%
AS42908 CZ South Moravian Němčičky
80.243.96.0/20 4.1K
91.1%
AS29321 CZ Prague Prague
80.251.240.0/20 4.1K
100.0%
AS42908 CZ Olomouc Region Nezamyslice
81.90.160.0/20 4.1K
91.5%
AS5610 CZ South Bohemian Region České Budějovice
81.200.48.0/20 4.1K
99.2%
AS41046 CZ Moravian-Silesian Region Třinec
92.61.80.0/20 4.1K
100.0%
AS42908 CZ Zlín Hulín
95.143.128.0/20 4.1K
100.0%
AS16246 CZ — —
109.72.0.0/20 4.1K
98.6%
AS49767 CZ Central Bohemia Příbram
109.239.64.0/20 4.1K
0.0%
AS29321 CZ Prague Prague
176.98.96.0/20 4.1K
90.7%
AS16246 CZ Central Bohemia Příbram
178.17.80.0/20 4.1K
100.0%
AS42908 CZ Olomouc Region Olomouc
178.17.96.0/20 4.1K
99.1%
AS16246 CZ Carlsbad Region Chodov
194.228.128.0/20 4.1K
10.0%
AS5610 CZ Prague Prague
212.4.144.0/20 4.1K
29.6%
AS12570 CZ Vysocina Nové Město na Moravě
212.96.160.0/20 4.1K
34.4%
AS12570 CZ South Moravian Šanov
213.211.48.0/20 4.1K
0.0%
AS12570 CZ South Moravian Znojmo
217.117.208.0/20 4.1K
56.1%
AS5610 CZ Prague Prague
217.170.96.0/20 4.1K
99.3%
AS42908 CZ Olomouc Region Olomouc
217.194.160.0/20 4.1K
0.0%
AS5610 CZ — —
217.195.160.0/20 4.1K
50.2%
AS29321 CZ Prague Prague
217.196.112.0/20 4.1K
85.0%
AS42908 CZ Olomouc Region Hlušovice
217.197.144.0/20 4.1K
73.3%
AS42908 CZ Olomouc Region Přerov
31.10.56.0/21 2.0K
93.6%
AS42908 CZ Pardubice Region Lanškroun
46.183.56.0/21 2.0K
99.7%
AS42908 CZ — —
46.231.72.0/21 2.0K
97.0%
AS42908 CZ Zlín Kvasice
77.87.232.0/21 2.0K
99.2%
AS16246 CZ Prague Prague
77.95.192.0/21 2.0K
99.4%
AS42908 CZ — —
78.41.8.0/21 2.0K
73.6%
AS44070 CZ — —
78.108.152.0/21 2.0K
99.2%
AS16246 CZ — —
80.78.152.0/21 2.0K
86.1%
AS12570 CZ — —
89.31.8.0/21 2.0K
99.1%
AS44070 CZ — —
89.190.40.0/21 2.0K
87.1%
AS12570 CZ South Moravian Šlapanice
89.190.56.0/21 2.0K
86.9%
AS12570 CZ — —
91.191.72.0/21 2.0K
87.1%
AS5610 SK — —
91.191.88.0/21 2.0K
100.0%
AS5610 SK — —
93.92.48.0/21 2.0K
99.6%
AS42908 CZ South Moravian Mikulov
93.93.32.0/21 2.0K
100.0%
AS42908 CZ Olomouc Region Hranice
94.143.168.0/21 2.0K
89.8%
AS29321 CZ Prague Prague
194.228.144.0/21 2.0K
12.9%
AS5610 CZ — —
212.4.144.0/21 2.0K
0.0%
AS12570 CZ Vysocina Nové Město na Moravě
212.96.176.0/21 2.0K
48.1%
AS12570 CZ South Moravian Kobylnice
45.159.116.0/22 1.0K
96.0%
AS42908 CZ — —
80.78.136.0/22 1.0K
0.0%
AS42908 CZ — —
80.78.144.0/22 1.0K
89.4%
AS12570 CZ — —
80.79.0.0/22 1.0K
99.6%
AS42908 CZ — —
80.243.236.0/22 1.0K
100.0%
AS42908 CZ Pardubice Region Česká Třebová
89.190.48.0/22 1.0K
99.4%
AS12570 CZ — —
91.191.64.0/22 1.0K
99.6%
AS5610 SK — —
91.191.84.0/22 1.0K
99.0%
AS5610 SK — —
91.193.132.0/22 1.0K
4.7%
AS5610 CZ — —
91.197.116.0/22 1.0K
99.0%
AS16246 CZ — —

Frequently Asked Questions

Wie viele IP-Adressen besitzt O2 Czech Republic, a.s.?

O2 Czech Republic, a.s. kontrolliert 2.03M IPv4-Adressen, verteilt auf 145 CIDR-Bereiche. Die Organisation ist in Czechia registriert.

Welche ASNs betreibt O2 Czech Republic, a.s.?

O2 Czech Republic, a.s. betreibt 10 Autonomous Systems. Jede ASN repräsentiert ein unabhängig geroutetes Netzwerk, das O2 Czech Republic, a.s. für die Bereitstellung von Internetverkehr verwaltet.

Welche Art von Organisation ist O2 Czech Republic, a.s.?

O2 Czech Republic, a.s. is categorized as enterprise. Diese Klassifizierung basiert auf der primären Nutzung der IP-Adresszuweisungen der Organisation.

Zuletzt aktualisiert: 2026-07-28 15:10:31 UTC
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