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. 1,691,008 1.31 x 237 3 631
O2 Czech Republic, a.s. 1,579,264 1.38 x 235 2 133
CESNET z.s.p.o. 848,896 232 1 22
4 PODA a.s. 221,184 233 1 28
5 Vodafone Czech Republic a.s. 174,592 235 1 10
6 Ceska Telekomunikacni Infrastruktura a.s 134,656 1.13 x 235 1 8
7 CD-Telematika a.s. 122,368 232 1 14
8 RIO Media a.s. 115,712 1.13 x 235 2 9
9 COMA s.r.o. 111,616 232 1 10
10 RADIOKOMUNIKACE a.s. 107,776 232 1 7
11 DHL Information Services (Europe) s.r.o 86,528 1.5 x 221 1 49
12 Casablanca INT 82,944 1.25 x 235 1 46
13 Ipex Ltd. 79,872 232 1 7
14 Suntel Net s.r.o. 71,680 1.31 x 236 6 34
15 SMART Comp. a.s. 67,584 1.25 x 235 1 9
16 Brno University of Technology 67,072 1.63 x 235 2 19
17 Master Internet s.r.o. 60,672 1.88 x 236 1 90
18 Fortech s.r.o. 58,368 235 1 5
19 itself s.r.o. 57,856 1.56 x 236 1 18
20 ALFA TELECOM s.r.o. 50,944 0 1 52