🇩🇰 Denmark

Registry and organization country assignments can differ from the physical location of an IP. Snapshot: 2026-10-04.

12,016,672

Delegated IPv4 address slots

484

Registered ASNs

Hosting ASNs

714

Known VPN exit prefixes

Country reference

ISO code: DK
Continent: Europe
Capital: Copenhagen
Currency: DKK
Calling code: 45
EU member: Yes
Delegated IPv6 address slots: 145,146,089,231,272,016,027,077,318,803,456

Registry allocations

Allocated and assigned RIR prefixes; address slots are summed across records and may overlap.

Delegated address slots by registry
Registry	Prefixes	IPv4 slots	IPv6 slots
APNIC	3	512	1,208,925,819,614,629,174,706,176
RIPE_NCC	1,981	12,016,160	145,146,088,022,346,196,412,448,144,097,280

Major autonomous systems

Showing up to 200 of 484 ASNs assigned to this country, ranked by announced IPv4 prefix address slots. Overlapping announcements count separately.

Autonomous systems ranked by announced IPv4 slots
ASN	Organization	Category	IPv4 slots	IPv6 prefixes
AS3240	Styrelsen for it og laering	business	24,832	2
AS3342	Cibicom A/S	business	23,040	1
AS8273	Norlys Telco A/S	business	21,504	0
AS206920	Glentevejs Antennelaug	business	21,504	1
AS21060	Atea A/S	business	20,480	2
AS12483	Den Danske Bank A/S	banking	19,200	0
AS214875	Altibox Danmark AS	business	17,664	2
AS35637	WAOO A/S	business	16,896	0
AS29100	Sagitta ApS	business	16,384	0
AS30736	Asergo Holding ApS	hosting	16,384	1
AS204607	JN DATA A/S	business	16,384	0
AS202914	Adeo Datacenter ApS	hosting	15,872	1
AS62319	Itm8 A/S	business	15,616	1
AS47527	DLX A/S	business	13,568	5
AS9120	Keepit A/S	hosting	12,288	1
AS34482	TDC Brands A/S	business	12,288	0
AS204151	EWII Bredbaand A/S	business	11,520	3
AS24800	BornFiber Service Provider ApS	business	11,264	2
AS41707	A.P. MOLLER - MAERSK A/S	business	11,264	0
AS42541	Fiberby ApS	business	11,008	1
AS57087	JYSK A/S	business	10,752	4
AS42876	Unit IT Services ApS	business	10,496	0
AS35033	Fujitsu Services A/S	business	10,240	0
AS42697	Netic A/S	business	10,240	5
AS2603	NORDUnet	business	9,760	2

Largest cities by reference population

GeoNames reference data; this is not a count of located IP addresses.

Copenhagen · 1,153,615
Århus · 285,273
Odense · 180,863
Aalborg · 142,937
Frederiksberg · 95,029
Esbjerg · 71,698
Randers · 62,802
Kolding · 61,638
Horsens · 61,074
Vejle · 60,231

Hosting counts use ASN organization classifications. VPN counts include distinct exit prefixes with a source-provided country seen within seven days of this snapshot; zero means no known evidence, not absence. Country and city references: GeoNames (CC BY 4.0).