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Slovakia

IP address space, AS numbers and the largest networks registered in Slovakia, based on the delegation records of the regional internet registries.

IPv4 addresses
2.7M
440 blocks
IPv6 allocations
150
AS numbers
227
Routed AS numbers
197

Largest networks in Slovakia

By announced prefixes
ASNameIPv4 prefixesIPv6 prefixes
AS5578AS-BENESTRA
SWAN, a.s.		535
AS6855SK-TELEKOM
Slovak Telekom, a.s.		379
AS29405VNET-AS
VNET a.s.		387
AS2607SANET
Zdruzenie pouzivatelov Slovenskej akademickej datovej siete SANET		333
AS51013WEBSUPPORT-SRO-SK-AS
WebSupport s.r.o.		264
AS43451SLOVANET-RADIOLAN
Slovanet a.s.		224
AS59796STORMWALL-AS
StormWall s.r.o.		169
AS39574MINET-AS
Minet Slovakia s.r.o.		211
AS58130AS-RSNET
rsnet s.r.o.		156
AS42244ESERVER
eServer s.r.o.		183
AS15497Colocall
1 Cloud Lab s.r.o.		191
AS31117ENERGOTEL-AS
ENERGOTEL a.s.		173
AS51653PRESNET-AS
PRESNET s.r.o.		190
AS42005LIGHTSTORM-COMMUNICATIONS-SRO-SK-AS
LightStorm Services s.r.o.		181
AS15962OSK-DNI
Orange Slovensko a.s.		171
AS48326datanetworks
DataNetworks s.r.o.		144
AS57760ASKINET
Kinet s.r.o.		160
AS50881ESET-AS
ESET, spol. s r.o.		96
AS208668NETSPACE-AS
NetSpace s.r.o.		105
AS29148ASSURANY
SURANY.NET s.r.o.		132
AS201924LERTAS-AS
ENAHOST s.r.o.		121
AS8257SLOVANET-BROADBAND
Slovanet a.s.		130
AS199144HEXCORECLOUD-AS
HexCore cloud s.r.o.		74
AS61424ESERVER-SK-AS
eServer s.r.o.		92
AS34820DANNAX-SK-AS
DELTA ONLINE spol. s r.o.		101
AS201603AIRNET-SK
AIRNET s.r.o.		101
AS28952O2BSSK
O2 Business Services, a.s		92
AS49117DTNETSK-AS
DTnet Detva s.r.o.		82
AS25373GOVSK-AS
National Agency for Network and Electronic Services		73
AS57801SK-NIC-AS
SK-NIC, a.s.		55

Delegations by registry: RIPE 590. Updated 2026-10-04.