Denmark ASN Summary
The report below shows ASNs assigned to Denmark, ranked by the total number of IP addresses currently active on each network. Click on the ASN for full IP address information, whois details and more. You can also view our hosting report to see the networks ranked by how many domain names they host.
| ASN | Name | Num IPs |
|---|---|---|
| AS3292 | TDC A/S | 6,877,440 |
| AS9158 | Telenor A/S | 2,316,544 |
| AS15516 | DANSK KABEL TV A/S | 361,472 |
| AS3308 | Telia Company AB | 269,568 |
| AS197288 | Stofa A/S | 262,144 |
| AS44869 | FIBIA P/S | 236,544 |
| AS31027 | GlobalConnect | 230,912 |
| AS43557 | Eniig Fiber A/S | 207,872 |
| AS1835 | Forskningsnettet - Danish network for Research and Education | 164,608 |
| AS39554 | Fullrate | 147,456 |
| AS28717 | Zen Systems A/S | 136,960 |
| AS16095 | Sentia Denmark A/S | 131,328 |
| AS42525 | GlobalConnect A/S | 115,968 |
| AS39642 | Stofa A/S | 101,376 |
| AS6834 | KMD A/S | 90,624 |
| AS41076 | Post Danmark A/S | 82,176 |
| AS49362 | DSV A/S | 77,824 |
| AS5624 | DXC Technology Danmark A/S | 77,312 |
| AS29100 | Sagitta ApS | 73,728 |
| AS15687 | NNIT A/S | 69,632 |
| AS16245 | Sentia Denmark Services 6 A/S | 68,608 |
| AS204274 | Aura Fiber OE A/S | 66,560 |
| AS9167 | Telia Company AB | 49,152 |
| AS15411 | DUPONT NUTRITION BIOSCIENCES ApS | 49,152 |
| AS33796 | Bolignet-Aarhus | 34,048 |
| AS3240 | Styrelsen for it og laering | 33,024 |
| AS34705 | SEF Fiber A/S | 32,768 |
| AS35158 | Dansk Net A/S | 32,768 |
| AS25384 | IBM Denmark ApS | 29,184 |
| AS207199 | Zitcom A/S | 22,272 |
| AS8273 | Stofa A/S | 21,504 |
| AS48854 | Zitcom A/S | 21,504 |
| AS203953 | Hiper A/S | 17,408 |
| AS35637 | WAOO A/S | 16,896 |
| AS30736 | ASERGO Scandinavia ApS | 16,384 |
| AS9120 | Keepit A/S | 16,384 |
| AS21060 | Atea A/S | 15,360 |
| AS199213 | Sentia Denmark A/S | 14,592 |
| AS34482 | TDC A/S | 13,312 |
| AS44398 | Itadel A/S | 13,312 |
| AS48564 | IP Vision A/S | 12,800 |
| AS24800 | BornFiber Service Provider ApS | 11,264 |
| AS42541 | Fiberby ApS | 11,008 |
| AS12483 | Den Danske Bank A/S | 9,728 |
| AS34848 | J2 Global Denmark A/S | 9,472 |
| AS12617 | Sentia Denmark A/S | 9,216 |
| AS204141 | K-Net | 9,216 |
| AS42876 | T26 Technology A/S | 8,960 |
| AS49010 | Herning Kommune | 8,704 |
| AS60876 | Gigabit ApS | 8,704 |
| AS60111 | ASOM-Net Forening | 8,448 |
| AS44134 | Bolignet A/S | 8,192 |
| AS8989 | Mira Internet ApS | 8,192 |
| AS31590 | Rackhosting.com ApS | 8,192 |
| AS196976 | Zitcom A/S | 8,192 |
| AS35033 | Fujitsu Services A/S | 8,192 |
| AS20618 | Info-Connect A/S | 8,192 |
| AS62319 | IT RELATION AS | 7,680 |
| AS51468 | One.com A/S | 7,168 |
| AS59701 | LytzenIT A/S | 6,656 |
| AS50457 | IT RELATION AS | 6,400 |
| AS49974 | Bo data ApS | 6,144 |
| AS33916 | Comflex networks ApS | 6,144 |
| AS47527 | DLX A/S | 5,632 |
| AS208310 | Cloud Factory A/S | 5,120 |
| AS206920 | Glentevejs Antennelaug | 5,120 |
| AS47304 | NEF Fonden | 5,120 |
| AS42697 | Netic A/S | 5,120 |
| AS197301 | Parknet F.M.B.A | 5,120 |
| AS58282 | Statens IT | 5,120 |
| AS202511 | IPv4 Hosting SRL | 5,120 |
| AS42903 | Progressive A/S | 5,120 |
| AS202914 | Adeo DC ApS | 5,120 |
| AS31130 | NM NET ApS | 5,120 |
| AS59469 | Sentia Denmark A/S | 4,352 |
| AS200611 | itslearning A/S | 4,096 |
| AS21465 | Europaeiske IT | 4,096 |
| AS204151 | Kviknet.dk ApS | 4,096 |
| AS44328 | Region Syddanmark | 4,096 |
| AS57030 | MENTOR IT A/S | 4,096 |
| AS42789 | GVD Antenneforening | 3,584 |
| AS62121 | Christian Ebsen ApS | 3,584 |
| AS198622 | Adform A/S | 3,584 |
| AS20681 | Saxo Bank A/S | 3,584 |
| AS35028 | Unity Technologies ApS | 3,584 |
| AS61032 | TrueCommerce Denmark ApS | 3,328 |
| AS39839 | DK Hostmaster A/S | 3,328 |
| AS196724 | Lynero ApS | 3,328 |
| AS198614 | AZERO 2016 ApS | 3,328 |
| AS3272 | Fujitsu Services A/S | 3,072 |
| AS201503 | ipnordic A/S | 3,072 |
| AS203646 | Energi Fyn Bredbaand A/S | 3,072 |
| AS196997 | Uni-tel A/S | 3,072 |
| AS13120 | BEC Bankernes EDB Central | 3,072 |
| AS62113 | Kracon ApS | 2,816 |
| AS29266 | DR | 2,560 |
| AS198944 | TN HOSTING ApS | 2,560 |
| AS3342 | Teracom A/S | 2,560 |
| AS206082 | Danish Crown A/S | 2,560 |
| AS31131 | GRUNDFOS HOLDING A/S | 2,560 |
| AS43088 | Sotea ApS | 2,304 |
| AS42553 | Fionia IT ApS | 2,304 |
| AS201078 | Multihouse A/S | 2,304 |
| AS209528 | Mywebcity Denmark Aps | 2,304 |
| AS50062 | NTT DATA DANMARK A/S | 2,304 |
| AS34165 | Novaram ApS | 2,048 |
| AS198455 | Danmarks Tekniske Universitet | 2,048 |
| AS42638 | Enkeltmandsvirksomhed Netvaerkssmeden | 2,048 |
| AS61397 | Flexonet ApS | 2,048 |
| AS42236 | IT RELATION AS | 2,048 |
| AS44433 | Axcess A/S | 2,048 |
| AS198631 | Region Hovedstaden | 2,048 |
| AS56841 | Itera ApS | 2,048 |
| AS203825 | Copenhagen Airports A/S | 2,048 |
| AS198608 | Symbion A/S | 2,048 |
| AS51595 | ITELLIGENCE A/S | 1,792 |
| AS205206 | Netsite A/S | 1,792 |
| AS201595 | mono solutions ApS | 1,792 |
| AS210210 | Region Midtjylland | 1,792 |
| AS197190 | CONSOLIDATED FINANCIAL HOLDINGS A/S | 1,792 |
| AS31709 | Cortex Consult A/S | 1,536 |
| AS197660 | PIL - Professionelle Internet Loesninger ApS | 1,536 |
| AS203644 | EG A/S | 1,536 |
| AS43337 | SB service og LollandsNet | 1,536 |
| AS41795 | Orsted Services A/S | 1,536 |
| AS200963 | Gilcom Finans A/S | 1,280 |
| AS206606 | Unitmakers ApS | 1,280 |
| AS29403 | VeriSign Inc. | 1,280 |
| AS198452 | Copenhost A/S | 1,280 |
| AS201455 | any.cloud a/s | 1,280 |
| AS205144 | Dansk Arbejdsgiverforening | 1,024 |
| AS204988 | TDH-Net ApS | 1,024 |
| AS205984 | Powernet Aps | 1,024 |
| AS206079 | SBS Hosting ApS | 1,024 |
| AS206081 | TIETGENSKOLEN | 1,024 |
| AS204922 | Dustin A/S | 1,024 |
| AS204920 | MHI VESTAS OFFSHORE WIND A/S | 1,024 |
| AS206157 | Complea A/S | 1,024 |
| AS50783 | JP/Politikens Hus A/S | 1,024 |
| AS206418 | Gentofte Kommune | 1,024 |
| AS206464 | Datacon A/S | 1,024 |
| AS206517 | NORDIC COMPUTER A/S | 1,024 |
| AS204839 | KONICA MINOLTA BUSINESS SOLUTIONS DENMARK A/S | 1,024 |
| AS206612 | Commit A/S | 1,024 |
| AS206624 | Kamstrup A/S | 1,024 |
| AS48374 | MH HOLDING AF 1. JUNI 2009 ApS | 1,024 |
| AS206749 | Scalepoint Technologies Denmark A/S | 1,024 |
| AS204793 | FORENINGEN KOLLEGIENET ODENSE | 1,024 |
| AS205760 | Syddjurs Kommune | 1,024 |
| AS204425 | Dansk Miljoe & Energistyring A/S | 1,024 |
| AS207017 | Skywire ApS | 1,024 |
| AS207247 | Zentura IT a/s | 1,024 |
| AS204290 | Egmont Administration A/S | 1,024 |
| AS204171 | TD-K A/S | 1,024 |
| AS204032 | Unity Technologies ApS | 1,024 |
| AS203327 | Infare Solutions A/S | 1,024 |
| AS203288 | Dansk Scanning A/S | 1,024 |
| AS203243 | TV2/Nord | 1,024 |
| AS207934 | WNB A/S | 1,024 |
| AS208039 | USER IT ApS | 1,024 |
| AS208237 | Naestved Kommune | 1,024 |
| AS57736 | Holstebro Kommune | 1,024 |
| AS208327 | Toke Hoiland-Jorgensen | 1,024 |
| AS202892 | Bestseller A/S | 1,024 |
| AS16244 | CSIS SECURITY GROUP A/S | 1,024 |
| AS57860 | Zencurity ApS | 1,024 |
| AS202567 | Secure Data Center Aps | 1,024 |
| AS208551 | Aabenraa Kommune | 1,024 |
| AS58360 | RGnet OU | 1,024 |
| AS51377 | COMASYS ApS | 1,024 |
| AS205793 | Centrica Energy Trading A/S | 1,024 |
| AS205805 | Vattenfall Vindkraft A/S | 1,024 |
| AS49475 | Wingmen Solutions ApS | 1,024 |
| AS205452 | Dansk Industri | 1,024 |
| AS60422 | Powerhosting Aps | 1,024 |
| AS62090 | Randers Kommune | 1,024 |
| AS62138 | Aarhus Universitet | 1,024 |
| AS34506 | Dagrofa Logistik a/s | 1,024 |
| AS62210 | Danske Commodities A/S | 1,024 |
| AS197317 | 7digital ApS | 1,024 |
| AS196827 | Credocom A/S | 1,024 |
| AS205721 | Nets Holding A/S | 1,024 |
| AS205510 | Alucaiter A/S | 1,024 |
| AS58361 | RGnet OU | 1,024 |
| AS58362 | RGnet OU | 1,024 |
| AS42686 | Blue IT Aps | 1,024 |
| AS58363 | RGnet OU | 1,024 |
| AS209424 | FASTSPEED ApS | 1,024 |
| AS201960 | Gorrissen Federspiel | 1,024 |
| AS201889 | e-nettet A/S | 1,024 |
| AS201738 | Maersk Drilling A/S | 1,024 |
| AS201720 | Fredensborg Kommune | 1,024 |
| AS201697 | SEMAPHOR | 1,024 |
| AS209900 | IT-Forsyningen I/S | 1,024 |
| AS209959 | Mark Weber Andersen trading as MWAzone | 1,024 |
| AS8502 | Stephen Durhuus | 1,024 |
| AS41306 | Toender Kommune | 1,024 |
| AS58364 | RGnet OU | 1,024 |
| AS58365 | RGnet OU | 1,024 |
| AS210322 | Vitec MV A/S | 1,024 |
| AS200629 | CLOUDIO A/S | 1,024 |
| AS59626 | Conscia A/S | 1,024 |
| AS200538 | Rudersdal Kommune | 1,024 |
| AS39500 | Frode Laursen A/S | 1,024 |
| AS200292 | 3Shape A/S | 1,024 |
| AS199848 | Systematic Software Engineering A/S | 1,024 |
| AS199795 | ONE Marketing A/S | 1,024 |
| AS25111 | Coloplast A/S | 1,024 |
| AS199374 | Syddansk Erhvervsskole Odense-Vejle | 1,024 |
| AS199289 | Kobalt ApS | 1,024 |
| AS60153 | Tachodata A/S | 1,024 |
| AS60244 | SOS International A/S | 1,024 |
| AS209054 | CLAUS SORENSEN A/S | 768 |
| AS197495 | Larsen Data ApS | 768 |
| AS35678 | Tabulex ApS | 768 |
| AS207727 | Asbjorn Sloth Tonnesen trading as a5n | 768 |
| AS61128 | Odense Kommune | 768 |
| AS56496 | TV2/DANMARK A/S | 768 |
| AS51510 | DFDS A/S | 768 |
| AS199773 | Nets Denmark A/S | 768 |
| AS208741 | Peter Pritzl trading as KP IT | 768 |
| AS41474 | BullGuard ApS | 512 |
| AS198206 | Rockwool International A/S | 512 |
| AS198473 | KIKKENBORG FIBER & IT ApS | 512 |
| AS198676 | XSTREAM A/S | 512 |
| AS199718 | G4S Security Services A/S | 512 |
| AS205938 | Dkuug/Dansk UNIX-system Bruger Gruppe | 512 |
| AS207663 | Senia Systems ApS | 512 |
| AS210130 | UAB Optilanas | 512 |
| AS41014 | Topdanmark EDB A/S | 512 |
| AS43167 | Fynske Medier P/S | 512 |
| AS44338 | COWI A/S | 512 |
| AS47198 | Genmab A/S | 512 |
| AS49187 | TekCon ApS | 512 |
| AS49930 | JDM IT A/S | 512 |
| AS50630 | Segezha Packaging A/S | 512 |
| AS51000 | Crisplant a/s | 512 |
| AS51073 | Aarhus Kobmandsskole | 512 |
| AS51482 | Banedanmark | 512 |
| AS59700 | Nordjyllands Trafikselskab | 512 |
| AS61045 | XDC Gruppen A/S | 512 |
| AS62126 | Senia Systems ApS | 512 |
| AS202216 | Kriminalforsorgen | 256 |
| AS25352 | H B H Trade Center v/Henrik Bo Hansen | 256 |
| AS35589 | Nianet A/S | 256 |
| AS24584 | Aegis Media Danmark A/S | 256 |
| AS35789 | Gribskov Kommune | 256 |
| AS39026 | ABENA DATA ApS | 256 |
| AS21456 | Kvadrat AS | 256 |
| AS41016 | Kilroy International A/S | 256 |
| AS41746 | DSB (SOV) | 256 |
| AS209616 | Jesper Hess Nielsen | 256 |
| AS209381 | ECCO Sko A/S | 256 |
| AS42659 | WELLTEC A/S | 256 |
| AS208377 | SECOMEA A/S | 256 |
| AS43790 | Frode Laursen A/S | 256 |
| AS43806 | Region Sjaelland | 256 |
| AS43869 | Udenrigsministeriet | 256 |
| AS43986 | Kromann Reumert | 256 |
| AS47249 | Ringsted Kommune | 256 |
| AS47289 | Volvido Hosting Aps | 256 |
| AS47715 | Valeo ApS | 256 |
| AS47765 | Danmarks Statistik | 256 |
| AS206574 | Flexonet ApS | 256 |
| AS48726 | EET GROUP A/S | 256 |
| AS48805 | Blue Water IT A/S | 256 |
| AS206133 | Circle K AS | 256 |
| AS205979 | HMN Naturgas I/S | 256 |
| AS49309 | NNIT A/S | 256 |
| AS49522 | Industriens Pensions IT A/S | 256 |
| AS205662 | IT RELATION AS | 256 |
| AS50134 | FTZ Autodele og Vaerktoej A/S | 256 |
| AS50346 | Support-IT Network ApS | 256 |
| AS205235 | Labitat | 256 |
| AS204652 | Zitcom A/S | 256 |
| AS51608 | FLSmidth A/S | 256 |
| AS5491 | Jan Olsson | 256 |
| AS203686 | SYSTEMHOSTING A/S | 256 |
| AS203581 | Region Hovedstaden | 256 |
| AS57720 | Wrist Ship Supply A/S | 256 |
| AS57915 | Unwire ApS | 256 |
| AS58111 | VESTAS WIND SYSTEMS A/S | 256 |
| AS28826 | International Health Insurance danmark a/s | 256 |
| AS200997 | NCT A/S | 256 |
| AS13057 | A.P. Moller - Maersk A/S | 256 |
| AS199988 | Danske Loensystemer AS | 256 |
| AS199769 | Nets DanID A/S | 256 |
| AS199041 | ResenNet Aps | 256 |
| AS198903 | Roskilde Kulturservice A/S | 256 |
| AS198901 | Ordbogen A/S | 256 |
| AS198794 | Thomas Steen Rasmussen | 256 |
| AS12834 | Danfoss A/S | 256 |
| AS198531 | Silkeborg Kommune | 256 |
| AS198530 | Haderslev Kommune | 256 |
| AS198194 | C & B Systemer A/S | 256 |
| AS198141 | DANMAGI ApS | 256 |
| AS9171 | Novasol a/s | 256 |
| AS62324 | Systemtech AS | 256 |
| AS3321 | Syniverse Technologies Aps | 256 |
| AS34027 | Ofir A/S | 256 |
| AS31393 | IDdesign A/S | 256 |
| AS29331 | Forsikringens Datacenter A/S | 256 |
| AS207355 | Kalundborg Antennelaug | 0 |
| AS45024 | PARTNER IT ApS | 0 |
| AS45032 | Fab:IT ApS | 0 |
| AS47173 | House4iT A/S | 0 |
| AS15859 | DSRack ApS | 0 |
| AS47199 | Freeway ApS | 0 |
| AS47239 | Odense Skolefoto A/S | 0 |
| AS201580 | Secunia ApS | 0 |
| AS197927 | DanaWeb A/S | 0 |
| AS47292 | Sentia Denmark A/S | 0 |
| AS207316 | Vaekstfonden Forening | 0 |
| AS47501 | eTarg Media ApS | 0 |
| AS206901 | Danmarks Nationalbank | 0 |
| AS47634 | SKEJCOM ApS | 0 |
| AS200894 | Danish Crown A/S | 0 |
| AS200626 | Saxo.com A/S | 0 |
| AS48174 | FIBIA P/S | 0 |
| AS206636 | ENIIG a.m.b.a. | 0 |
| AS62209 | eTarg Media ApS | 0 |
| AS197397 | DK Hostmaster A/S | 0 |
| AS59774 | Den selvejende institution Koge Handelsskole og handelsgymna | 0 |
| AS197291 | 123hjemmeside ApS | 0 |
| AS199135 | Satcom1 Airtime Services ApS | 0 |
| AS8322 | TDC A/S | 0 |
| AS60166 | eTarg Media ApS | 0 |
| AS205882 | SimCorp A/S | 0 |
| AS49417 | eTarg Media ApS | 0 |
| AS205846 | Hillerod Kommune | 0 |
| AS49514 | 2FAST A/S | 0 |
| AS34806 | ASLINE LIMITED | 0 |
| AS49541 | Den Bla Avis AS | 0 |
| AS49630 | TN HOSTING ApS | 0 |
| AS8348 | Telia Company AB | 0 |
| AS205742 | Koebenhavns Kommune | 0 |
| AS50021 | PHD APS | 0 |
| AS64408 | eTarg Media ApS | 0 |
| AS60794 | Landsbyggefonden | 0 |
| AS50323 | Lego System A/S | 0 |
| AS34823 | FIBIA P/S | 0 |
| AS60958 | Infolink Aps | 0 |
| AS50490 | Eniig Fiber A/S | 0 |
| AS15849 | Stibo A/S | 0 |
| AS50708 | Firstcom A/S | 0 |
| AS204866 | Microdata Aps | 0 |
| AS8526 | TDC A/S | 0 |
| AS15459 | VIKING LIFE-SAVING EQUIPMENT A/S | 0 |
| AS51251 | Atea A/S | 0 |
| AS29379 | Mermaid Consulting ApS | 0 |
| AS204607 | JN DATA A/S | 0 |
| AS15423 | A.P. MOLLER - MAERSK A/S | 0 |
| AS204306 | SecuriPax A/S | 0 |
| AS203860 | TS Computer ApS | 0 |
| AS31661 | DANSK KABEL TV A/S | 0 |
| AS51844 | Knowledge Cube A/S | 0 |
| AS34220 | Teracom A/S | 0 |
| AS5599 | Verizon Denmark A/S | 0 |
| AS61253 | FTF | 0 |
| AS34932 | Nianet A/S | 0 |
| AS203570 | Gigahost ApS | 0 |
| AS56849 | FREJA Transport og Logistics | 0 |
| AS56901 | Energi Danmark A/S | 0 |
| AS35127 | THISISUNIVERSE APS | 0 |
| AS57020 | Nordjyske Medier AS | 0 |
| AS35192 | E. Pihl Son A/S | 0 |
| AS35376 | TRE FOR Bredbaand | 0 |
| AS203453 | Zitcom A/S | 0 |
| AS24969 | Itadel A/S | 0 |
| AS57189 | eTarg Media ApS | 0 |
| AS57347 | eTarg Media ApS | 0 |
| AS35817 | Herningsholm Erhvervsskole | 0 |
| AS198391 | Danmarks Tekniske Universitet | 0 |
| AS57735 | Eniig Fiber A/S | 0 |
| AS213214 | Rigspolitiet | 0 |
| AS21125 | Andersen Advisory Group A/S | 0 |
| AS39672 | DSV A/S | 0 |
| AS2109 | TDC A/S | 0 |
| AS39880 | Thomas Kruse | 0 |
| AS6785 | Telenor A/S | 0 |
| AS203105 | Skatteforvaltningen | 0 |
| AS210149 | Esbjerg Kommune | 0 |
| AS210031 | Greenwave Mobile IoT ApS | 0 |
| AS12435 | Telia Company AB | 0 |
| AS41629 | DSV A/S | 0 |
| AS57819 | eTarg Media ApS | 0 |
| AS210010 | Ringkoebing-Skjern Kommune | 0 |
| AS42124 | ADPEOPLE A/S | 0 |
| AS209768 | GLS IT Services GmbH | 0 |
| AS42355 | Eniig Fiber A/S | 0 |
| AS42418 | Hostnordic A/S | 0 |
| AS209722 | EG A/S | 0 |
| AS202816 | Zitcom A/S | 0 |
| AS209603 | Versatil APS | 0 |
| AS30772 | LEO Pharma A/S | 0 |
| AS34670 | Skatteforvaltningen | 0 |
| AS209327 | Thomas Steen Rasmussen trading as tyktech | 0 |
| AS209125 | Kobenhavn Kommune | 0 |
| AS42720 | Lundberg Data A/S | 0 |
| AS209118 | Helsingoer Kommune | 0 |
| AS208647 | BornHack IVS | 0 |
| AS208469 | Carsten Kofod-Jensen trading as MyWebCity | 0 |
| AS208391 | Christopher Hansen trading as Netravnen | 0 |
| AS6811 | Verizon Denmark A/S | 0 |
| AS43196 | Eniig Fiber A/S | 0 |
| AS43220 | Zitcom A/S | 0 |
| AS202470 | Eurotelecom SRL | 0 |
| AS43379 | Sweco Danmark A/S | 0 |
| AS208334 | SPORT METRIX LLC | 0 |
| AS202429 | Professionshoejskolen Lillebaelt / University College Lillebaelt | 0 |
| AS202377 | Supertel A/S | 0 |
| AS29542 | Zen Systems A/S | 0 |
| AS202031 | Sjacob Holding ApS | 0 |
| AS207703 | Right Angle SRL | 0 |
| AS207638 | WNB A/S | 0 |
| AS197123 | Zitcom A/S | 0 |
| AS207603 | CuroTec ApS | 0 |
| AS44413 | Home A/S | 0 |
| AS207533 | Radiometer Medical ApS | 0 |
| AS44508 | GlobalConnect A/S | 0 |
| AS44589 | IPv4 Hosting SRL | 0 |
| AS44659 | C2IT Infrastructure A/S | 0 |
Details
Autonomous System Numbers (ASNs) are assigned to entities such as Internet Service Providers and other large organizations that control blocks of IP addresses. This network page, and the organization field that's shown on the main IP address information page and also returned in the geolocation API are based on the ASN.
This page shows ASNs for Denmark. See the global ASN report for network, IP address information and whois details for other countries.