Internet Service Providers in Czechia

Top 20 organizations with the largest IP allocations in Czechia

Czechia

Top 20 organizations with the largest IP allocations


Rank Name IPv4 addresses IPv6 /64 networks AS numbers Prefixes
T-Mobile Czech Republic a.s. 1,695,872 1.31 x 237 3 638
O2 Czech Republic, a.s. 1,579,264 1.25 x 234 2 134
CESNET z.s.p.o. 848,896 232 1 22
4 PODA a.s. 221,184 233 1 28
5 BENESTRA, s.r.o. 206,848 1.25 x 235 1 87
6 Vodafone Czech Republic a.s. 174,592 235 1 13
7 Ceska Telekomunikacni Infrastruktura a.s 134,912 1.13 x 235 1 9
8 CD-Telematika a.s. 122,368 232 1 14
9 RIO Media a.s. 115,712 233 2 9
10 COMA s.r.o. 111,616 232 1 10
11 RADIOKOMUNIKACE a.s. 107,776 232 1 7
12 DHL Information Services (Europe) s.r.o 86,272 1.5 x 221 1 48
13 Casablanca INT 82,944 1.25 x 235 1 50
14 Ipex Ltd. 79,872 232 1 7
15 Suntel Net s.r.o. 68,608 1.5 x 235 6 27
16 SMART Comp. a.s. 67,584 1.25 x 235 1 9
17 Brno University of Technology 67,072 1.63 x 235 2 19
18 Master Internet s.r.o. 60,672 1.88 x 236 1 89
19 Fortech s.r.o. 58,368 235 1 5
20 itself s.r.o. 57,856 1.56 x 236 1 18