Malicious IPs in Ireland

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

Flagged IPv4 networks
97
#36 of 179 countries
Per million allocated IPv4
9.40
#42 of 78 countries
Flagged IPv4 addresses
110
ranges count at most as a /24
Allocated IPv4 addresses
10,316,864
RIR delegation statistics

Ireland at a glance

Ireland had 97 flagged IPv4 networks in the snapshot of 2026-10-09, rank #36 of 179 countries by absolute count. Relative to its allocated IPv4 space that is 9.40 flagged networks per million addresses, rank #42 of 78, close to the median of 10.2 across all rated countries. The largest category is botnet hosts with 71% of the flagged networks, followed by brute force sources (22%). The three networks (ASNs) with the most flagged IPs hold 88% of them, led by AMAZON-02 - Amazon.com, Inc. (AS16509).

Malicious activity in Ireland by category

A network listed in several categories counts once, in the most specific one.

  • Botnet hosts in Ireland

    69 (71%)

    69 flagged networks, #6 of 129 countries for botnet hosts. Infected hosts taking part in a botnet. Botnet Hosts by Country

  • Brute force sources in Ireland

    21 (22%)

    21 flagged networks, #53 of 162 countries for brute force sources. Sources of password guessing against SSH, mail, FTP and web logins. Brute Force Sources by Country

  • Other malicious networks in Ireland

    6 (6%)

    6 flagged networks, #67 of 148 countries for other malicious networks. Addresses and ranges reported as malicious without a more specific category. Other Malicious Networks by Country

  • C2 servers in Ireland

    1 (1%)

    1 flagged network, #35 of 52 countries for C2 servers. Command-and-control servers, payload hosts and other attacker-run infrastructure. C2 Servers by Country

Networks with the most flagged IPs in Ireland

Autonomous systems announcing the flagged networks located in Ireland.

#NetworkFlagged networks
1AS16509AMAZON-02 - Amazon.com, Inc.71
2AS51173PBB Premier Data Networks LTD8
3AS8075MICROSOFT-CORP-MSN-AS-BLOCK - Microsoft Corporation6
4AS13280H3GIE Three Ireland (Hutchison) limited3
5AS2110AS-BTIRE Enet Communications LIMITED1
6AS5466EIRCOM Eircom Limited1
7AS5607BSKYB-BROADBAND-AS Sky UK Limited1
8AS6830LibertyGlobal Liberty Global Europe Holding B.V.1
9AS9009M247 M247 Europe SRL1
10AS30377MACST-DUB - MacStadium, Inc.1

Compare Ireland with other countries

Ranked by flagged networks per million allocated IPv4 addresses.

Countries ranked next to Ireland by rate

#CountryNetworksPer million
40South Korea1,1079.84
41Kenya599.43
42Ireland979.40
43Netherlands4709.33
44Lithuania368.71
45Israel678.31

Other countries in the RIPE NCC region

#CountryNetworksPer million
1Iraq63138
2Uzbekistan44131
7Albania2753.4
10Jordan2538.6
12Armenia2131.0
13Qatar2529.2
15Oman2728.4
17Azerbaijan2126.3

Questions about Ireland

How many malicious IP addresses are there in Ireland?
On 2026-10-09, 97 IPv4 networks (/24 blocks) located in Ireland were flagged for malicious activity, with 110 listed IPv4 addresses. Each /24 counts once, however many of its addresses are listed.
Which networks in Ireland host the most flagged IPs?
AMAZON-02 - Amazon.com, Inc. (AS16509, 71 networks), PBB Premier Data Networks LTD (AS51173, 8 networks), MICROSOFT-CORP-MSN-AS-BLOCK - Microsoft Corporation (AS8075, 6 networks). 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 Ireland or anywhere else with one API call.

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