Team Internet
Tucows
LUOGELANG
Cizgi Telekomunikasyon
Korea Telecom
Init
Nebula Global
Sales outreach
All 7,222 of these sites already run SURF, with the research services segment leading at 98 sites. Pitch the products and services that fit that exact stack.
Websites using SURF
Hosting & Infrastructure ISP/Telecom Hosting Visit website
SURF is an ICT cooperative for education and research in the Netherlands. It comprises over 100 institutions collaborating to maximize the benefits of digitalization for improved education and research flexibility.
Up to 1M sites per list · Segment by country & TLD to cover the full footprint · Unlimited report rebuilds for 1 month
- Live websites detected
- 7,222
- Countries with usage
- 22
- Top market: Netherlands
- 🇳🇱 98.1%
SURF global heatmap
darker = more sitesSURF usage by country
by sites detected-
01 🇳🇱 Netherlands 7,081 98.1%
-
02 🇺🇸 United States 38 0.5%
-
03 🇧🇪 Belgium 29 0.4%
-
04 🇩🇪 Germany 25 0.3%
-
05 🇬🇧 United Kingdom 10 0.1%
-
06 🇮🇹 Italy 5 0.1%
-
07 🇫🇷 France 5 0.1%
-
08 🇨🇭 Switzerland 3 0%
-
09 🇪🇸 Spain 3 0%
-
10 🇵🇱 Poland 3 0%
And 12 more countries in the full dataset.
Need every SURF site in one market? Unlock SURF once and rebuild filtered reports as often as you like for a month: by country, TLD, or stack combination, each with up to 20 data points per site.
Start from $39/moSURF usage by country group
by sites detected-
01 Benelux 2 countries 7,110 98.5%
-
02 English-Speaking Countries 4 countries 51 0.7%
-
03 North America 1 country 38 0.5%
-
04 French-Speaking Countries 3 countries 37 0.5%
-
05 DACH 2 countries 28 0.4%
-
06 Eastern Europe 6 countries 9 0.1%
-
07 Spanish-Speaking Countries 2 countries 5 0.1%
-
08 BRICS 3 countries 4 0.1%
-
09 Nordics 1 country 3 0%
-
10 Latin America (LATAM) 1 country 2 0%
Country groups overlap: a country can belong to several at once (Germany counts toward Europe, Western Europe, the EU and DACH). Percentages are each group's share of the 7,219 sites with a known country, so they describe overlapping views of the same data and do not add up to 100%.
Top websites using SURF
by popularity| # | Website | Popularity | StackSpend | Country | TLD |
|---|---|---|---|---|---|
| 01 |
 tudelft.nl
|
6,083 | $146K+ | 🇳🇱 Netherlands | nl |
| 02 |
 rug.nl
|
6,596 | $11.31K+ | 🇳🇱 Netherlands | nl |
| 03 |
 ru.nl
|
11,994 | $13.02K+ | 🇳🇱 Netherlands | nl |
| 04 |
 surfnet.nl
|
12,000 | $553+ | 🇳🇱 Netherlands | nl |
| 05 |
 universiteitleiden.nl
|
15,014 | $2.28K+ | 🇳🇱 Netherlands | nl |
| 06 |
 eur.nl
|
15,933 | $10.16K+ | 🇳🇱 Netherlands | nl |
| 07 |
 maastrichtuniversity.nl
|
19,597 | $6.57K+ | 🇳🇱 Netherlands | nl |
| 08 |
 leidenuniv.nl
|
19,787 | $18.34K+ | 🇳🇱 Netherlands | nl |
| 09 | rivm.nl | 22,018 | $9.05K+ | 🇳🇱 Netherlands | nl |
| 10 | duo.nl | 38,627 | $6.9K+ | 🇳🇱 Netherlands | nl |
| 11 | tilburguniversity.edu | 40,679 | $1.34K+ | 🇳🇱 Netherlands | edu |
| 12 | uvt.nl | 44,292 | $553+ | 🇳🇱 Netherlands | nl |
| 13 | kb.nl | 44,631 | $419K+ | 🇳🇱 Netherlands | nl |
| 14 | ou.nl | 50,606 | $3.28K+ | 🇳🇱 Netherlands | nl |
| 15 | delpher.nl | 53,288 | $1.33K+ | 🇳🇱 Netherlands | nl |
| 16 | surf.nl | 57,999 | $2.7K+ | 🇳🇱 Netherlands | nl |
| 17 | waarneming.nl | 61,723 | $5.09K+ | 🇳🇱 Netherlands | nl |
| 18 |
 han.nl
|
65,582 | $7.53K+ | 🇳🇱 Netherlands | nl |
| 19 | kennisnet.nl | 68,239 | $26.94K+ | 🇳🇱 Netherlands | nl |
| 20 | researchr.org | 74,168 | $595+ | 🇳🇱 Netherlands | org |
This is 20 of 7,222 websites. Download up to 1M sites per list as CSV, enriched with firmographics.
Companies using SURF
sample, enriched| Company | Website | Employees | Industry | Country | Founded |
|---|---|---|---|---|---|
| KinderKennisCentrum |
 youthonderzoek.nl
|
- | Footwear Manufacturing | 🇳🇱 Netherlands | - |
| Rooijakkers.studio |
 studio.nl
|
1-10 | Design | 🇺🇳 - | - |
| QuTech |
 qutech.nl
|
201-500 | Nanotechnology Research | 🇳🇱 Netherlands | 2014 |
| Pluryn |
 pluryn.nl
|
5001-10000 | hospital & health care | 🇳🇱 Netherlands | 2000 |
| Roc Van Twente |
 rocvantwente.nl
|
1001-5000 | Education Management | 🇳🇱 Netherlands | 2004 |
| Roc Van Flevoland |
 rocvanflevoland.nl
|
501-1000 | Education Management | 🇳🇱 Netherlands | - |
| Radboudumc |
 radboudumc.nl
|
10001+ | hospital & health care | 🇳🇱 Netherlands | 1951 |
| Researchcentrum Voor Onderwijs En… |
 roa.nl
|
51-200 | Research Services | 🇳🇱 Netherlands | 1986 |
| INVENTCULTURE |
 inventculture.eu
|
11-50 | Research | 🇳🇱 Netherlands | 2020 |
| N.W. Posthumus Institute 🟥 |
 posthumusinstitute.org
|
501-1000 | Research Services | 🇳🇱 Netherlands | - |
| Uscki Incognito |
 uscki.nl
|
201-500 | Events Services | 🇳🇱 Netherlands | 1990 |
| U-Talent |
 u-talent.nl
|
11-50 | Education | 🇳🇱 Netherlands | - |
| Erasmus University Rotterdam |
eur.nl
|
1001-5000 | Higher Education | 🇳🇱 Netherlands | 1913 |
| Everything Procedural Conference |
 everythingprocedural.com
|
1-10 | Education | 🇳🇱 Netherlands | 2016 |
| Politieacademie Forensische Opsporing |
 politieacademie.nl
|
- | - | 🇳🇱 Netherlands | - |
| Nationaal Herbarium Nederland | nationaalherbarium.nl | 51-200 | Research | 🇺🇳 - | 1999 |
| Parlement & Wetenschap |
 parlementenwetenschap.nl
|
5001-10000 | Political Organizations | 🇺🇳 - | - |
| Jong Amsterdam UMC |
 jongamsterdamumc.nl
|
10001+ | Hospitals and Health Care | 🇳🇱 Netherlands | - |
| Astrotec Holding | astrotec.nl | - | - | 🇳🇱 Netherlands | - |
| Amsterdam Umc |
 amc.nl
|
10001+ | hospital & health care | 🇳🇱 Netherlands | 1983 |
| ImageGuidedSurgeryLUMC |
 imageguidedsurgery.nl
|
51-200 | Hospitals and Health Care | 🇳🇱 Netherlands | - |
| Hku (hogeschool Voor De Kunsten Utrecht) |
 hku.nl
|
501-1000 | Higher Education | 🇳🇱 Netherlands | 1987 |
| Hogeschool Van Arnhem En Nijmegen (han) |
han.nl
|
1001-5000 | Higher Education | 🇳🇱 Netherlands | - |
| Mbo College Poort |
 rocflevoland.nl
|
201-500 | Education Management | 🇳🇱 Netherlands | - |
| Crafting Resilience |
 craftingresilience.nl
|
11-50 | Higher Education | 🇳🇱 Netherlands | 2022 |
| Humanimalia |
 humanimalia.org
|
1-10 | Periodical Publishing | 🇳🇱 Netherlands | 2009 |
| Radboud University |
ru.nl
|
5001-10000 | Research | 🇳🇱 Netherlands | 1923 |
| Universitair Sportcentrum Leiden |
 uscleiden.nl
|
51-200 | Spectator Sports | 🇳🇱 Netherlands | 1968 |
| Hogeschool Leiden |
 hsleiden.nl
|
501-1000 | Higher Education | 🇳🇱 Netherlands | 1986 |
| St.Elisabeth Ziekenuis |
 elisabeth.nl
|
- | - | 🇳🇱 Netherlands | - |
| Trinitas Dx |
 trinitas-dx.nl
|
11-50 | Medical and Diagnostic Laboratories | 🇺🇳 - | - |
| Tu Delft |
tudelft.nl
|
5001-10000 | Research | 🇳🇱 Netherlands | 1842 |
| OMO Scholengroep Bergen Op Zoom E.o. |
 sgboz.nl
|
201-500 | Education | 🇳🇱 Netherlands | - |
| Water, Peace & Security |
 waterpeacesecurity.org
|
1001-5000 | Research | 🇺🇳 - | 2018 |
| "We Are In IT Together" Conference |
 weareinittogether.nl
|
1-10 | IT System Custom Software Development | 🇳🇱 Netherlands | - |
| Politie Nederland |
 kombijdepolitie.nl
|
10001+ | Law Enforcement | 🇺🇳 - | - |
| MMBA Alumni Association |
 maastrichtmba.com
|
10001+ | Higher Education | 🇳🇱 Netherlands | 2025 |
| Healthy Brain Study |
 healthybrainstudy.nl
|
11-50 | Research Services | 🇳🇱 Netherlands | 2017 |
| Radboudumc Center Of Expertise For Weaning… |
 nexcob.nl
|
5001-10000 | hospital & health care | 🇳🇱 Netherlands | 2016 |
| Verantwoorde Veehouderij |
 verantwoordeveehouderij.nl
|
1-10 | Research Services | 🇳🇱 Netherlands | 2005 |
A sample of enriched company profiles. Full exports include company, social, and spend signals on every domain.
SURF usage by industry
by TLD segment-
01 Research Services 98 26.4%
-
02 Higher Education 50 13.5%
-
03 Research 25 6.7%
-
04 Higher Education 23 6.2%
-
05 Education 20 5.4%
-
06 Hospitals and Health Care 20 5.4%
-
07 Education Administration Programs 19 5.1%
-
08 Research 19 5.1%
-
09 Education Management 17 4.6%
-
10 Primary and Secondary Education 13 3.5%
SURF industry distribution chart
share by domain segmentSURF users by company revenue
115 companiesTechnologies related to SURF
ISP/Telecom HostingPut it to work
What teams do with the SURF list
Competitor analysis
Selling Team Internet, Tucows, or another ISP/Telecom Hosting product? These 7.22K SURF users are your displacement audience, filterable by country and company size.
Market research
Top markets for SURF: Netherlands (98.1%), United States (0.5%), Belgium (0.4%). Size the ISP/Telecom Hosting market by geography before you build or invest.
Free for non-profits, academia & data journalists - non-commercial and public-interest use, on request.
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