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How Slovakia ranks worldwide on dormant space, the transfer market, routing security and address density.
PeeringDB-registered presence.
APNIC-measured end-user deployment.
Clean prefixes (valid RPKI + IRR, no mismatch).
Cumulative IPv4, IPv6, and ASN allocations to Slovakia over time.
The largest autonomous systems registered to Slovakia by IPv4 footprint.
Slovakia against its land-border neighbours on IPv4, IPv6, AS numbers and per-capita density.
Share of announced address space covered by valid Route Origin Authorizations.
229 autonomous systems registered to Slovakia. Click an AS for detail.
| 13 |
| AS31117SK | ENERGOTEL-AS ENERGOTEL a.s. | 54K | 20 |
| AS42841SK | ANTIK ANTIK Telecom s.r.o | 50.2K | 9 |
| AS28952SK | O2BSSK O2 Business Services, a.s | 43.3K | 11 |
| AS29405SK | VNET-AS VNET a.s. | 37.6K | 45 |
| AS43451SK | SLOVANET-RADIOLAN Slovanet a.s. | 37.1K | 26 |
| — |
| — |
| 0 |
| AS201090SK | POIX-AS Condornet, s.r.o. | — | — | 0 |
| AS58245SK | AMENET-as Insignia Lifestyle Services s. r. o. | — | — | 0 |
| AS6658SK | NAPRI s.r.o. | — | — | 0 |
| AS48689SK | WEBGLOBE-SK-AS Webglobe, a.s. | — | — | 0 |
| AS199784SK | GNS Global Network Systems s.r.o. | — | — | 0 |
| AS47867SK | SSE Stredoslovenska energetika Holding, a. s. | — | 1 | 1 |
| AS213906SK | TraceShift Samuel Trnka | — | 1 | 1 |
| AS6803SK | SWAN SWAN, a.s. | — | — | 0 |
| AS16295SK | ETEL-SK SWAN, a.s. | — | — | 0 |
| AS196682SK | INVERTA-AS Inverta s.r.o. | — | — | 0 |
| AS5628SK | EUROTEL-SK Slovak Telekom, a.s. | — | — | 0 |
| AS20579SK | SWAN SWAN, a.s. | — | — | 0 |
| AS57539SK | MEGASERVER-AS eServer s.r.o. | — | — | 0 |
| AS31230SK | SIX-ROUTE-SERVERS Slovak University of Technology in Bratislava | — | — | 0 |
| AS215798SK | OSTV-sk OSTV s.r.o. | — | — | 0 |
| AS52139SK | SLOVANET-CARISMA Slovanet a.s. | — | 524.3K | 1 |
| AS209070SK | SECURCOM securCom s.r.o. | — | — | 0 |
| AS48211SK | INFSK Infinity Telecom SK s.r.o. | — | — | 0 |
| AS39854SK | ASN-6COM 6COM s.r.o. | — | — | 0 |
| AS16160SK | SWAN SWAN, a.s. | — | — | 0 |
| AS200399SK | SweetTV VAN GROUP sro | — | — | 0 |
| AS200771SK | ELFA-SK-AS Elfa, s.r.o | — | — | 0 |
| AS210263SK | SEALIT SEAL IT Services, s.r.o. | — | — | 0 |
| AS31193SK | VIATELE-AS 1 Cloud Lab s.r.o. | — | — | 0 |
| AS8288SK | AS-BENESTRA-NEXTRA SWAN, a.s. | — | — | 0 |
| AS20581SK | MaximalNet_AS1 Jan Mindzak | — | — | 0 |
| AS214400SK | Martin-Petrak Martin Petrak | — | — | 0 |
| AS6726SK | AS-BENESTRA-BACKUP SWAN, a.s. | — | — | 0 |
| AS213609SK | UPCBroadbandSlovakia Upc Broadband Slovakia s.r.o. | — | — | 0 |
| AS205523SK | DIT-AS2 DONAU INFORMATIK s.r.o. | — | — | 0 |
| AS20949SK | INCOSOFT 1 Cloud Lab s.r.o. | — | — | 0 |
| AS198543SK | SK-JOJ-ASN MAC TV s.r.o. | 256 | 1 | 2 |
| AS211672SK | VSSR2-AS VNET Systems s. r. o. | 256 | — | 1 |
| AS209251SK | AS1_GLOBALLOGIC GlobalLogic Slovakia s.r.o. | 256 | — | 1 |
| AS12917SK | GLOBALLOGICSK GlobalLogic Slovakia s.r.o. | 256 | — | 1 |
| AS59548SK | AXASOFT AXASOFT, a.s. | 256 | — | 1 |
| AS209250SK | AS2_GLOBALLOGIC GlobalLogic Slovakia s.r.o. | 256 | — | 1 |
| AS199639SK | Matej Matej Vallo | 256 | — | 1 |
| AS214851SK | ALL2U All2U services s.r.o. | 256 | — | 1 |
| AS47483SK | GIRO-AS GIRO, s.r.o. | 256 | — | 1 |
| AS204365SK | ARTOS-AS ARTOS a.s. | 256 | — | 1 |
| AS207981SK | ENERGOTEL-AS ENERGOTEL a.s. | 256 | — | 1 |
| AS197642SK | ST-IDC2-AS Slovak Telekom, a.s. | 256 | — | 1 |
| AS207437SK | CHOICE CHOICE s.r.o. | 256 | 1 | 2 |
| AS24727SK | SPP-AS Slovensky plynarensky priemysel, a.s. | 256 | — | 1 |
| AS212537SK | KIASK-AS Kia Slovakia s. r. o. | 256 | — | 1 |