Malicious IPs in Slovakia

IPv4 networks located in Slovakia that are currently flagged for malicious activity, aggregated from multiple external and internal threat intelligence sources. Snapshot of (UTC), updated daily.

Flagged IPv4 networks
10
#100 of 179 countries
Per million allocated IPv4
-
too little address space for a rate
Flagged IPv4 addresses
14
ranges count at most as a /24
Allocated IPv4 addresses
2,686,976
RIR delegation statistics

Slovakia at a glance

Slovakia had 10 flagged IPv4 networks in the snapshot of 2026-10-11, rank #100 of 179 countries by absolute count. Slovakia has too little allocated IPv4 space for a meaningful per-million rate, so it is ranked by absolute count only. The largest category is brute force sources with 90% of the flagged networks, followed by botnet hosts (10%). The three networks (ASNs) with the most flagged IPs hold 70% of them, led by WISPER-AS Wisper s.r.o. (AS57248). Another 1 flagged IPv6 network is located in Slovakia.

Malicious activity in Slovakia by category

A network listed in several categories counts once, in the most specific one. Also flagged: 1 IPv6 network.

  • Brute force sources in Slovakia

    9 (90%)

    9 flagged networks, #78 of 162 countries for brute force sources. Sources of password guessing against SSH, mail, FTP and web logins. Brute Force Sources by Country

  • Botnet hosts in Slovakia

    1 (10%)

    1 flagged network, #97 of 122 countries for botnet hosts. Infected hosts taking part in a botnet. Botnet Hosts by Country

Networks with the most flagged IPs in Slovakia

Autonomous systems announcing the flagged networks located in Slovakia.

#NetworkFlagged networks
1AS57248WISPER-AS Wisper s.r.o.3
2AS56656DETRONICS Detronics s.r.o.3
3AS2607SANET Zdruzenie pouzivatelov Slovenskej akademickej datovej siete SANET1
4AS6855SK-TELEKOM Slovak Telekom, a.s.1
5AS39455Tlapnet-SK-AS Jiri Tlapak1
6AS43451SLOVANET-RADIOLAN Slovanet a.s.1
7AS15962OSK-DNI Orange Slovensko a.s.0

Compare Slovakia with other countries

Ranked by flagged IPv4 networks.

Countries ranked next to Slovakia by count

#CountryNetworksPer million
100Bosnia & Herzegovina10-
101Iceland10-
102Slovakia10-
103Belarus9-
104Denmark9-
105Croatia9-

Other countries in the RIPE NCC region

#CountryNetworksPer million
1Iraq66144
2Uzbekistan42125
7Albania2651.4
11Jordan2030.9
12Azerbaijan2430.0
15Qatar2124.5
17Moldova3023.8
20Belgium24219.6

Questions about Slovakia

How many malicious IP addresses are there in Slovakia?
On 2026-10-11, 10 IPv4 networks (/24 blocks) located in Slovakia were flagged for malicious activity, with 14 listed IPv4 addresses and 1 IPv6 network. Each /24 counts once, however many of its addresses are listed.
Which networks in Slovakia host the most flagged IPs?
WISPER-AS Wisper s.r.o. (AS57248, 3 networks), DETRONICS Detronics s.r.o. (AS56656, 3 networks), SANET Zdruzenie pouzivatelov Slovenskej akademickej datovej siete SANET (AS2607, 1 network). Large hosting providers appear because attackers rent their servers, not necessarily because of the operator.

Query this data per IP via the API

Look up threat categories, reputation score, ASN and geolocation for any address in Slovakia or anywhere else with one API call.

Read the API docsSee pricing
Back to the world threat mapAll networks registered in Slovakia