🇸🇰 Slovakia
Registry and organization country assignments can differ from the physical location of an IP. Snapshot: 2026-10-04.
2,684,928
Delegated IPv4 address slots
236
Registered ASNs
8
Hosting ASNs
263
Known VPN exit prefixes
Country reference
- ISO code
- SK
- Continent
- Europe
- Capital
- Bratislava
- Currency
- EUR
- Calling code
- 421
- EU member
- Yes
- Delegated IPv6 address slots
- 50,151,465,557,155,553,364,846,911,160,320
Registry allocations
Allocated and assigned RIR prefixes; address slots are summed across records and may overlap.
| Registry | Prefixes | IPv4 slots | IPv6 slots |
|---|---|---|---|
| RIPE_NCC | 600 | 2,684,928 | 50,151,465,557,155,553,364,846,911,160,320 |
Major autonomous systems
Showing up to 200 of 236 ASNs assigned to this country, ranked by announced IPv4 prefix address slots. Overlapping announcements count separately.
| ASN | Organization | Category | IPv4 slots | IPv6 prefixes |
|---|---|---|---|---|
| AS2607 | Zdruzenie pouzivatelov Slovenskej akademickej datovej siete SANET | business | 1,051,648 | 3 |
| AS6855 | Slovak Telekom, a.s. | isp | 667,648 | 10 |
| AS15962 | Orange Slovensko a.s. | business | 359,936 | 1 |
| AS5578 | SWAN, a.s. | business | 330,496 | 5 |
| AS8257 | Slovanet a.s. | business | 156,672 | 0 |
| AS31117 | ENERGOTEL a.s. | business | 54,016 | 4 |
| AS42841 | ANTIK Telecom s.r.o | isp | 50,176 | 1 |
| AS28952 | O2 Business Services, a.s | business | 43,520 | 2 |
| AS29405 | VNET a.s. | business | 37,888 | 7 |
| AS43451 | Slovanet a.s. | business | 37,632 | 4 |
| AS30898 | DataCentrum | business | 34,560 | 0 |
| AS35328 | DSI DATA, a. s. | business | 24,576 | 1 |
| AS16006 | RUPKKI s.r.o. | business | 21,760 | 1 |
| AS31127 | SATRO s.r.o. | business | 21,504 | 1 |
| AS15497 | 1 Cloud Lab s.r.o. | hosting | 18,944 | 1 |
| AS48326 | DataNetworks s.r.o. | business | 18,944 | 4 |
| AS8778 | Slovanet a.s. | business | 17,920 | 2 |
| AS31679 | Slovanet a.s. | business | 17,408 | 0 |
| AS39574 | Minet Slovakia s.r.o. | business | 16,128 | 1 |
| AS8290 | Slovanet a.s. | business | 13,312 | 0 |
| AS51013 | WebSupport s.r.o. | hosting | 12,032 | 4 |
| AS51653 | PRESNET s.r.o. | business | 11,264 | 0 |
| AS12905 | ACS spol. s r. o. | business | 9,984 | 1 |
| AS43653 | PEGO Slovakia, s.r.o. | business | 9,472 | 0 |
| AS49115 | E-MAX INTERNET & IT s.r.o. | business | 9,216 | 1 |
Largest cities by reference population
GeoNames reference data; this is not a count of located IP addresses.
- Bratislava · 423,737
- Košice · 225,044
- Petržalka · 112,380
- Nitra · 86,329
- Prešov · 82,927
- Žilina · 81,219
- Banská Bystrica · 74,590
- Trnava · 62,806
- Trenčín · 58,278
- Martin · 51,139
Hosting counts use ASN organization classifications. VPN counts include distinct exit prefixes with a source-provided country seen within seven days of this snapshot; zero means no known evidence, not absence. Country and city references: GeoNames (CC BY 4.0).