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Slovakia
Networks in Slovakia
196 autonomous systems are registered in Slovakia (SK). Together they announce 2,537,728 IPv4 addresses, 0.08% of the announced total, which ranks Slovakia #63 of 240 countries.
Autonomous systems 196 191 announce IPv4, 5 IPv6 only
IPv4 addresses 2,537,728 0.08% of announced IPv4 · #63 worldwide
Top 5 networks hold 72.8% of Slovakia's IPv4 space
IPv6 345 x /32 (22,655,529 x /48) 88 of 196 networks (45%) announce IPv6
Small networks 34 announce a single /24 (256 addresses) or less
Top 50 networks in Slovakia by IPv4 space
# ASN Network IPv4 addresses Of SK
1
AS6855 SK-TELEKOM Slovak Telekom, a.s.
662,784
26.12%
2
AS2607 SANET Zdruzenie pouzivatelov Slovenskej akademickej datovej siete SANET
526,080
20.73%
3
AS5578 AS-BENESTRA SWAN, a.s.
314,112
12.38%
4
AS15962 OSK-DNI Orange Slovensko a.s.
261,120
10.29%
5
AS8257 SLOVANET-BROADBAND Slovanet a.s.
82,944
3.27%
6
AS31117 ENERGOTEL-AS ENERGOTEL a.s.
53,248
2.10%
7
AS28952 O2BSSK O2 Business Services, a.s
43,264
1.70%
8
AS29405 VNET-AS VNET a.s.
35,840
1.41%
9
AS30898 CRSR-AS DataCentrum
33,024
1.30%
10
AS35328 DSIDATA DSI DATA, a. s.
24,576
0.97%
11
AS31127 SATRO SATRO s.r.o.
21,504
0.85%
12
AS43451 SLOVANET-RADIOLAN Slovanet a.s.
19,712
0.78%
13
AS8778 SLOVANET Slovanet a.s.
17,664
0.70%
14
AS42841 ANTIK ANTIK Telecom s.r.o
17,408
0.69%
15
AS31679 SLOVANET-MICRONET Slovanet a.s.
17,408
0.69%
16
AS15497 Colocall 1 Cloud Lab s.r.o.
16,896
0.67%
17
AS39574 MINET-AS Minet Slovakia s.r.o.
13,824
0.54%
18
AS16006 RUPKKI-SK-AS RUPKKI s.r.o.
11,264
0.44%
19
AS12905 ACS-SK-AS ACS spol. s r. o.
9,984
0.39%
20
AS51013 WEBSUPPORT-SRO-SK-AS WebSupport s.r.o.
9,472
0.37%
21
AS49115 EMAX_AS1 E-MAX INTERNET & IT s.r.o.
9,216
0.36%
22
AS8290 SLOVANET-WS Slovanet a.s.
9,216
0.36%
23
AS43653 PEGONET-AS PEGO Slovakia, s.r.o.
9,216
0.36%
24
AS48326 datanetworks DataNetworks s.r.o.
8,960
0.35%
25
AS12508 AS12508 Rainside s.r.o.
8,704
0.34%
26
AS8620 ALANATA Alanata a. s.
8,192
0.32%
27
AS8887 TESATEL-AS TESATEL, s.r.o.
8,192
0.32%
28
AS51947 GECOM-AS GeCom s.r.o.
8,192
0.32%
29
AS57547 ASALTERNET WIRIX, s.r.o.
7,680
0.30%
30
AS42244 ESERVER eServer s.r.o.
7,424
0.29%
31
AS51653 PRESNET-AS PRESNET s.r.o.
7,424
0.29%
32
AS58130 AS-RSNET rsnet s.r.o.
6,144
0.24%
33
AS12426 SLOVANET-MADNET Slovanet a.s.
6,144
0.24%
34
AS29148 ASSURANY SURANY.NET s.r.o.
5,632
0.22%
35
AS1902 PAN-NET Deutsche Telekom Cloud Services s.r.o.
5,376
0.21%
36
AS25496 ZT-AS ZSR - ZT Bratislava
5,120
0.20%
37
AS42005 LIGHTSTORM-COMMUNICATIONS-SRO-SK-AS LightStorm Services s.r.o.
5,120
0.20%
38
AS48133 E-NET-SK-AS SWAN, a.s.
5,120
0.20%
39
AS57710 KOREX-AS KOREX networks, s.r.o.
5,120
0.20%
40
AS16354 TIMES-NETWORKS-NET TIMES NETWORKS s.r.o.
5,120
0.20%
41
AS49044 DIGISK DIGI SLOVAKIA, s.r.o.
5,120
0.20%
42
AS58328 IMAFEX-AS IMAFEX, s.r.o.
5,120
0.20%
43
AS34820 DANNAX-SK-AS DELTA ONLINE spol. s r.o.
4,608
0.18%
44
AS24744 SiNET-SK-AS SiNET Telecom s.r.o.
4,608
0.18%
45
AS57475 LIGHTSTORM-SERVICES-SK-AS LightStorm Services s.r.o.
4,352
0.17%
46
AS211689 BLUENET HMZ RADIOKOMUNIKACIE, spol. s r.o.
4,352
0.17%
47
AS56800 LastMile LAST MILE spol. s r.o.
4,096
0.16%
48
AS58044 ASFREEZONA free-zona s.r.o.
4,096
0.16%
49
AS38949 TRESTEL-SK Trestel SK, a.s.
4,096
0.16%
50
AS44631 CONDORNET Condornet, s.r.o.
4,096
0.16%
Countries of similar size
IP-to-ASN data: iptoasn.com (public domain). Snapshot downloaded 2026-11-11, refreshed daily. Ranges are what each network announces in BGP, not registry allocations. Data sources