Malicious IPs in United Kingdom
IPv4 networks located in United Kingdom that are currently flagged for malicious activity, aggregated from multiple external and internal threat intelligence sources. Snapshot of (UTC), updated daily.
United Kingdom at a glance
The United Kingdom had 337 flagged IPv4 networks in the snapshot of 2026-10-10, rank #14 of 176 countries by absolute count. Relative to its allocated IPv4 space that is 2.38 flagged networks per million addresses, rank #72 of 77, well below the median of 10.6 across all rated countries. The largest category is brute force sources with 40% of the flagged networks, followed by other malicious networks (33%). The three networks (ASNs) with the most flagged IPs hold 39% of them, led by DIGITALOCEAN-ASN - DigitalOcean, LLC (AS14061). Another 8 flagged IPv6 networks are located in the United Kingdom.
Malicious activity in United Kingdom by category
A network listed in several categories counts once, in the most specific one. Also flagged: 8 IPv6 networks.
Brute force sources in United Kingdom
134 (40%)134 flagged networks, #18 of 159 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 United Kingdom
112 (33%)112 flagged networks, #8 of 147 countries for other malicious networks. Addresses and ranges reported as malicious without a more specific category. Other Malicious Networks by Country
Botnet hosts in United Kingdom
38 (11%)38 flagged networks, #15 of 126 countries for botnet hosts. Infected hosts taking part in a botnet. Botnet Hosts by Country
Scanners in United Kingdom
23 (7%)23 flagged networks, #7 of 44 countries for scanners. Hosts scanning or probing services on the internet. Scanners by Country
Spam sources in United Kingdom
17 (5%)17 flagged networks, #9 of 85 countries for spam sources. Sources of email spam. Spam Sources by Country
C2 servers in United Kingdom
13 (4%)13 flagged networks, #10 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 United Kingdom
Autonomous systems announcing the flagged networks located in United Kingdom.
| # | Network | Flagged networks |
|---|---|---|
| 1 | AS14061DIGITALOCEAN-ASN - DigitalOcean, LLC | 79 |
| 2 | AS203346AS-232WEB Proper Support LLP | 31 |
| 3 | AS16276OVH OVH SAS | 23 |
| 4 | AS62240Clouvider Clouvider Limited | 16 |
| 5 | AS51167CONTABO Contabo GmbH | 13 |
| 6 | AS5089NTL Virgin Media Limited | 11 |
| 7 | AS9009M247 M247 Europe SRL | 8 |
| 8 | AS8560IONOS-AS IONOS SE | 8 |
| 9 | AS25369BANDWIDTH-AS Hydra Communications Ltd | 7 |
| 10 | AS13335CLOUDFLARENET - Cloudflare, Inc. | 7 |
Compare United Kingdom with other countries
Ranked by flagged networks per million allocated IPv4 addresses.
Countries ranked next to the United Kingdom by rate
| # | Country | Networks | Per million |
|---|---|---|---|
| 70 | Morocco | 35 | 2.85 |
| 71 | Italy | 152 | 2.80 |
| 72 | United Kingdom | 337 | 2.38 |
| 73 | Switzerland | 52 | 2.23 |
| 74 | United States | 2,981 | 1.84 |
| 75 | Austria | 20 | 1.79 |
Other countries in the RIPE NCC region
| # | Country | Networks | Per million |
|---|---|---|---|
| 1 | Iraq | 65 | 142 |
| 2 | Uzbekistan | 41 | 122 |
| 7 | Albania | 30 | 59.3 |
| 10 | Jordan | 22 | 33.9 |
| 13 | Azerbaijan | 23 | 28.8 |
| 15 | Qatar | 23 | 26.9 |
| 16 | Oman | 24 | 25.2 |
| 17 | Moldova | 30 | 23.8 |
Questions about United Kingdom
- How many malicious IP addresses are there in the United Kingdom?
- On 2026-10-10, 337 IPv4 networks (/24 blocks) located in the United Kingdom were flagged for malicious activity, with 18,555 listed IPv4 addresses and 8 IPv6 networks. Each /24 counts once, however many of its addresses are listed.
- Which networks in the United Kingdom host the most flagged IPs?
- DIGITALOCEAN-ASN - DigitalOcean, LLC (AS14061, 79 networks), AS-232WEB Proper Support LLP (AS203346, 31 networks), OVH OVH SAS (AS16276, 23 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 United Kingdom or anywhere else with one API call.