Malicious IPs in Denmark

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

Flagged IPv4 networks
12
#98 of 179 countries
Per million allocated IPv4
-
too little address space for a rate
Flagged IPv4 addresses
18
ranges count at most as a /24
Allocated IPv4 addresses
13,516,832
RIR delegation statistics

Denmark at a glance

Denmark had 12 flagged IPv4 networks in the snapshot of 2026-10-09, rank #98 of 179 countries by absolute count. Denmark 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 58% of the flagged networks, followed by other malicious networks (25%). The three networks (ASNs) with the most flagged IPs hold 33% of them, led by TDC TDC Holding A/S (AS3292).

Malicious activity in Denmark by category

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

  • Brute force sources in Denmark

    7 (58%)

    7 flagged networks, #85 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 Denmark

    3 (25%)

    3 flagged networks, #99 of 148 countries for other malicious networks. Addresses and ranges reported as malicious without a more specific category. Other Malicious Networks by Country

  • Botnet hosts in Denmark

    1 (8%)

    1 flagged network, #104 of 129 countries for botnet hosts. Infected hosts taking part in a botnet. Botnet Hosts by Country

  • Spam sources in Denmark

    1 (8%)

    1 flagged network, #55 of 90 countries for spam sources. Sources of email spam. Spam Sources by Country

Networks with the most flagged IPs in Denmark

Autonomous systems announcing the flagged networks located in Denmark.

#NetworkFlagged networks
1AS3292TDC TDC Holding A/S2
2AS42708GLESYS Glesys AB1
3AS210731DOTSRC Forening for DotSrc1
4AS3308TELIANET-DENMARK Norlys Telco A/S1
5AS8473BAHNHOF Bahnhof AB1
6AS34705SYDFYN Norlys Telco A/S1
7AS39642Sinal-AS Sinal A/S1
8AS44869FIBIA-P-S FIBIA P/S1
9AS204151KVIKNET-DK EWII Bredbaand A/S1
10AS207355Ka-net Ka-net1

Compare Denmark with other countries

Ranked by flagged IPv4 networks.

Countries ranked next to Denmark by count

#CountryNetworksPer million
96Mozambique13-
97Panama13-
98Denmark12-
99Senegal12-
100Iceland11-
101Lebanon11-

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 Denmark

How many malicious IP addresses are there in Denmark?
On 2026-10-09, 12 IPv4 networks (/24 blocks) located in Denmark were flagged for malicious activity, with 18 listed IPv4 addresses. Each /24 counts once, however many of its addresses are listed.
Which networks in Denmark host the most flagged IPs?
TDC TDC Holding A/S (AS3292, 2 networks), GLESYS Glesys AB (AS42708, 1 network), DOTSRC Forening for DotSrc (AS210731, 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 Denmark or anywhere else with one API call.

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