58 live Koha 21.x sites, ready to export.
That's how many Koha 21.x websites are in VersionDB right now, each with its full tech stack, contact details, and social profiles.
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Open the Lead List ExporterEvery Koha 21.x website we detected in the US.
Only sites where a personal, company-hosted email was found.
Sites with at least one personnel LinkedIn profile.
Start with the highest-traffic end of the dataset.
Limit results to Koha 21.x websites on .com domains.
Only sites where an organisation phone number was found.
Koha 21.x Complementary Technologies
Technologies frequently found with Koha 21.x.
Websites Using Koha 21.x
Live sites we caught running Koha 21.x in the wild, straight from the latest crawl.
| Domain | Server Location | ASN | Crawl Date |
|---|---|---|---|
| bjplibrary.in | Unknown | Cloudflare, Inc. | July 27, 2026 |
| umc.edu.ve | ๐ป๐ช Venezuela | CANTV Servicios, Venezuela | June 18, 2026 |
| touskov.cz | ๐จ๐ฟ Czech Republic | SH.cz s.r.o. | June 18, 2026 |
| knihovna-jirkov.cz | ๐จ๐ฟ Czech Republic | SH.cz s.r.o. | June 17, 2026 |
| knihovnaprosec.cz | ๐ธ๐ฐ Slovakia | WebSupport s.r.o. | June 17, 2026 |
| clcs.edu.bt | ๐ง๐น Bhutan | Government Technology Agency | June 16, 2026 |
| 79.193 | ๐ฌ๐ง United Kingdom | Amazon.com, Inc. | June 16, 2026 |
| belek.edu.tr | ๐น๐ท Turkey | Cizgi Telekomunikasyon Anonim Sirketi | June 16, 2026 |
| knihovnatovacov.cz | ๐จ๐ฟ Czech Republic | CASABLANCA INT a.s. | June 16, 2026 |
| acstikerala.com | ๐ฎ๐ณ India | DigitalOcean, LLC | June 15, 2026 |
Top Koha 21.x Identifiers
Who is using Koha 21.x and where: top five by detected sites.
Most Frequent Koha 21.x Identifiers and Complementary Tech
Most frequently encountered identifiers for Koha 21.x and its complementary technologies.
| Language | Sites |
|---|---|
| English | 27 |
| Czech | 8 |
| Portuguese | 5 |
| Spanish | 5 |
| Italian | 2 |
| Mฤori | 2 |
| Ukrainian | 2 |
| Catalan | 1 |
| Indonesian | 1 |
| Latin | 1 |
| Slovak | 1 |
| Tagalog | 1 |
| Turkish | 1 |
| Xhosa | 1 |
| ASN | Sites |
|---|---|
| WEDOS Internet, a.s. | 10 |
| Amazon.com, Inc. | 3 |
| Cloudflare, Inc. | 3 |
| SH.cz s.r.o. | 3 |
| CASABLANCA INT a.s. | 2 |
| Contabo GmbH | 2 |
| DigitalOcean, LLC | 2 |
| Hetzner Online GmbH | 2 |
| NKN Core Network | 2 |
| OVH SAS | 2 |
| SAREnet, S.A. | 2 |
| Servicos De Comunicacoes E Multimedia S.A. | 2 |
| A2 Hosting, Inc. | 1 |
| CANTV Servicios, Venezuela | 1 |
| Cizgi Telekomunikasyon Anonim Sirketi | 1 |
| Dattatec.com | 1 |
| EMPRESA NACIONAL DE TRANSMISION ELECTRICA ENATREL | 1 |
| GCS Private Limited | 1 |
| Government Technology Agency | 1 |
| IFX Corporation | 1 |
| IONOS SE | 1 |
| Information and Communication Technology Agency of Sri Lanka | 1 |
| Junta de Comunidades de Castilla-La Mancha | 1 |
| Laboratory of Information Technologies LLC | 1 |
| National Internet Backbone | 1 |
| O2 Czech Republic, a.s. | 1 |
| Surf Air Wireless, LLC | 1 |
| TIM | 1 |
| Telefonica de Argentina | 1 |
| Ternopil Ivan Pul'uj National Technical University | 1 |
| Universitas Mulawarman | 1 |
| University of Rajshahi | 1 |
| Web Werks India Pvt. Ltd. | 1 |
| WebSupport s.r.o. | 1 |
| Zdruzenie pouzivatelov Slovenskej akademickej datovej siete SANET | 1 |
| TLD | Sites |
|---|---|
| cz | 17 |
| pt | 5 |
| in | 4 |
| org | 4 |
| com | 3 |
| ar | 2 |
| ua | 2 |
| 101 | 1 |
| 118 | 1 |
| 193 | 1 |
| 200 | 1 |
| 43 | 1 |
| 50 | 1 |
| ae | 1 |
| bt | 1 |
| es | 1 |
| eus | 1 |
| gh | 1 |
| id | 1 |
| it | 1 |
| lk | 1 |
| ni | 1 |
| py | 1 |
| sk | 1 |
| tr | 1 |
| us | 1 |
| ve | 1 |
| xyz | 1 |
| Country | Sites |
|---|---|
| ๐จ๐ฟ Czech Republic | 16 |
| ๐ฎ๐ณ India | 6 |
| ๐ต๐น Portugal | 5 |
| ๐ช๐ธ Spain | 4 |
| Unknown | 4 |
| ๐บ๐ธ United States | 3 |
| ๐ฆ๐ท Argentina | 2 |
| ๐ธ๐ฐ Slovakia | 2 |
| ๐บ๐ฆ Ukraine | 2 |
| ๐ง๐ฉ Bangladesh | 1 |
| ๐ง๐น Bhutan | 1 |
| ๐จ๐ด Colombia | 1 |
| ๐ฉ๐ช Germany | 1 |
| ๐ฌ๐ง United Kingdom | 1 |
| ๐ฌ๐ญ Ghana | 1 |
| ๐ฎ๐ฉ Indonesia | 1 |
| ๐ฎ๐น Italy | 1 |
| ๐ฑ๐ฐ Sri Lanka | 1 |
| ๐ณ๐ฎ Nicaragua | 1 |
| ๐ต๐ฐ Pakistan | 1 |
| ๐ต๐พ Paraguay | 1 |
| ๐น๐ท Turkey | 1 |
| ๐ป๐ช Venezuela | 1 |