ProxySpace

RIPE NCC · updated daily

Slovakia IP ranges

450 IPv4 blocks with 2,684,928 addresses and 150 IPv6 prefixes, registered to Slovakia, the 66th largest IPv4 holding of 239 countries.

IPv4 addresses

2.7M

IPv4 blocks

450

IPv6 prefixes

150

Share of all IPv4

0.07%

Format

SK.txt

Largest networks in Slovakia

Autonomous systems by the IPv4 addresses they announce inside these ranges.

NetworkASNIPv4 addresses
Slovak Telekom, a.s.AS6855656,128
Zdruzenie pouzivatelov Slovenskej akademickej datovej sieteAS2607526,080
SWAN, a.s.AS5578314,112
Orange Slovensko a.s.AS15962179,200
Liberty Global B.V.AS6830176,128
Slovanet a.s.AS825782,944
ENERGOTEL a.s.AS3111751,968
O2 Business Services, a.sAS2895243,264
VNET a.s.AS2940535,840
DataCentrumAS3089833,024

ASN data: IP Geolocation by DB-IP (CC BY 4.0).

Largest IPv4 blocks

The biggest single block is 78.98.0.0/15.

BlockAddressesAllocated
78.98.0.0/15131,0722007-05-02
95.102.0.0/15131,0722009-02-09
178.40.0.0/15131,0722010-02-02
85.248.0.0/1665,5362005-01-20
87.197.0.0/1665,5362005-06-29
89.173.0.0/1665,5362006-03-24
91.127.0.0/1665,5362006-10-24
178.143.0.0/1665,5362010-08-04
188.167.0.0/1665,5362009-06-11
193.87.0.0/1665,5361993-09-01
194.160.0.0/1665,5361995-05-03
147.175.0.0/1665,5361991-07-01
147.213.0.0/1665,5361991-07-24
147.232.0.0/1665,5361992-03-03
158.193.0.0/1665,5361993-07-22

Allocations per year

IPv4 addresses assigned to networks in Slovakia each year, by registration date.

1991: 141,568 addresses. 1992: 203,008 addresses. 1993: 131,072 addresses. 1994: 0 addresses. 1995: 99,328 addresses. 1996: 118,784 addresses. 1997: 84,480 addresses. 1998: 27,392 addresses. 1999: 16,640 addresses. 2000: 47,104 addresses. 2001: 54,272 addresses. 2002: 58,880 addresses. 2003: 32,256 addresses. 2004: 111,872 addresses. 2005: 254,208 addresses. 2006: 180,224 addresses. 2007: 177,664 addresses. 2008: 88,064 addresses. 2009: 281,344 addresses. 281.3K 2010: 269,824 addresses. 2011: 125,952 addresses. 2012: 56,320 addresses. 2013: 14,336 addresses. 2014: 15,872 addresses. 2015: 13,312 addresses. 2016: 25,600 addresses. 2017: 16,384 addresses. 2018: 16,896 addresses. 2019: 17,664 addresses. 2020: 1,024 addresses. 2021: 512 addresses. 2022: 768 addresses. 2023: 0 addresses. 2024: 512 addresses. 2025: 1,280 addresses. 2026: 512 addresses. 1991 2026

Most recent allocations

BlockAddressesAllocated
195.110.8.0/242562026-09-24
151.216.4.0/242562026-06-02
217.70.13.0/242562025-09-24
185.48.4.0/242562025-08-11
91.244.226.0/242562025-07-28
194.110.119.0/242562025-06-23
185.208.201.0/242562025-01-17
92.249.26.0/242562024-01-10
188.92.30.0/242562024-01-09
194.213.109.0/242562022-10-18

Use the list

$curl -s https://proxyspace.pro/Ranges/SK.txt -o SK.txt
# Block Slovakia with ipset + iptables
ipset create sk4 hash:net
while read net; do ipset add sk4 "$net"; done < SK.txt
iptables -I INPUT -m set --match-set sk4 src -j DROP

# Is an address in Slovakia? (Python)
import ipaddress
nets = [ipaddress.ip_network(l) for l in open("SK.txt") if l.strip()]
print(any(ipaddress.ip_address("2.57.64.1") in n for n in nets))

Slovakia IP ranges: questions

How many IP addresses does Slovakia have?

Slovakia holds 2,684,928 IPv4 addresses in 450 blocks and 150 IPv6 prefixes, the 66th largest IPv4 holding of 239 countries (0.07% of all allocated IPv4). Compare it with other countries on the IP ranges by country page.

Which networks use the most Slovakia IP addresses?

Slovak Telekom, a.s. (AS6855, 656.1K addresses), Zdruzenie pouzivatelov Slovenskej akademickej datovej siete (AS2607, 526.1K addresses) and SWAN, a.s. (AS5578, 314.1K addresses). Look up any single address with the IP lookup tool.

How do I block all Slovakia IP addresses?

Download the list above in the format of your firewall: iptables/ipset, nginx, Apache, ufw or MikroTik. Turn on "aggregate" to merge adjacent blocks into fewer rules. The raw list is at /Ranges/SK.txt, one CIDR per line. To inspect a single block use the CIDR calculator.

Who assigns IP addresses in Slovakia?

RIPE NCC, the regional internet registry for Europe, the Middle East and Central Asia. ProxySpace downloads its delegation file every day; the most recent Slovakia allocation in it is 2026-09-24.

Are there free proxies in Slovakia?

Yes, 8 in the current lists. See free Slovakia proxies for the lists per protocol, refreshed every 20 minutes.