Slovakia holds 2,684,928 IPv4 addresses from RIPE NCC.
Regional registries have allocated 2,684,928 IPv4 addresses in 441 blocks, 152 IPv6 blocks and 229 network numbers to organisations in Slovakia, the first on 1 Jul 1991. By DB-IP’s count the largest network here is Slovak Telekom, a.s. (AS6855).
Registered here vs used here
The RIR count is what was allocated to organisations registered in Slovakia; DB-IP’s count is where it estimates addresses are used. DB-IP places 170,119 more IPv4 addresses in Slovakia than were allocated here, which happens when networks registered elsewhere (cloud providers, multinationals) operate in the country.
Largest networks by IPv4 space in Slovakia
IP Geolocation by DB-IP (ASN Lite × Country Lite, CC BY 4.0).
Allocations per year
Delegation records per year (IPv4 blocks + IPv6 blocks + ASN records) still current in the RIR files. Last 12 years shown.
Download the ranges
Every IPv4 and IPv6 range DB-IP Country Lite places in Slovakia, as CSV. The file carries DB-IP’s attribution, which you must keep if you republish it.
Sources
- NRO RIR delegated-extended statistics · checked 5 Nov 2026
- DB-IP IP to Country Lite (CC BY 4.0) · checked 3 Nov 2026