A list of OSINT resources and tools for investigations related to Spain. Most resources are in Spanish; some are also available in English, Catalan, Basque, or other languages. Entries describe only their free public features; paid reports and restricted records are excluded.
Last Updated: 27 September 2026
Languages: Spanish, English, Catalan, Basque; other regional languages on selected sites.
Comments: Free access does not imply unrestricted personal-data access. The national cadastre excludes the Basque Country and Navarre; use the separate regional services below. Some free services require registration or official electronic identification.
Feel free to join this project — OSINT For Countries V2.0.
- Open Data portals
- Legal Entities
- Cadastral and other Maps
- Vehicles
- People, phones, social etc.
- Public procurements
- WHOIS
- datos.gob.es — Official Spanish government catalogue of reusable public datasets; Spanish/English; free.
- INE Open Data — Official statistics and reusable datasets from the National Statistics Institute; Spanish; free.
- BOE Search — Official national gazette search for legislation, announcements, notifications and historical issues; Spanish; free.
- CENDOJ Case Law Search — Official judicial-decision search; Spanish; free public consultation, with possible anti-bulk-download checks.
- Banco de España Statistics — Official economic, financial and monetary statistics; English/Spanish; free.
- BORME — Official Mercantile Registry Gazette with company notices and corporate acts; Spanish; free public issues, not a complete free company extract.
- CNMV Entity Search — Official securities-regulator filings and registered financial-market entities; Spanish; free.
- National Associations Search — Official Ministry of the Interior search by association name; Spanish; free public search, not a complete authenticated extract.
- EU VIES — European Commission validation of Spanish and other EU VAT numbers; multilingual; free.
- GLEIF LEI Search — Third-party global index of entities assigned an LEI, filterable for Spain; English; free, not comprehensive company coverage.
- Spanish Cadastre — Official property search and cadastral map; Spanish; free public non-protected data, excluding the Basque Country and Navarre; ownership and protected values are not public.
- SIGPAC Viewer — Official agricultural parcel, land-use and aerial-image viewer; Spanish; free.
- IBERPIX — Official IGN topographic maps, geocoding and aerial-image viewer; Spanish/English interface elements; free.
- Geoportal IDEE — Official Spanish spatial-data infrastructure catalogue and access to regional mapping services; Spanish/English and regional languages; free.
- PNOA Map and Orthophoto Viewers — Official historical and current aerial-photography comparison tools; Spanish; free.
The three Basque historical territories operate separate foral cadastral services; geoEuskadi provides complementary regional maps. Public parcel data does not establish legal ownership.
- Álava Cadastre — Official Álava parcel, building and physical-property data viewer; Spanish/Basque; free public maps, while protected values require owner authentication.
- Bizkaia Cadastre — Official Bizkaia cadastral viewer and parcel references; Spanish/Basque; free public map and reference search, with restricted owner-specific data.
- Gipuzkoa Parcel Maps — Official Gipuzkoa urban and rural parcel plans, viewable and downloadable; Spanish/Basque; free.
- geoEuskadi — Official Basque regional map viewer with parcel search and historical orthophotos; Spanish/Basque; free.
Navarre's Territorial Wealth Registry and IDENA/SITNA provide separate cadastral and geographic coverage; use public datasets lawfully and verify any ownership claim independently.
- Navarre Territorial Wealth Registry — Official Navarre cadastral map with parcel, address and geographic searches; Spanish/Basque/English interface elements; free public viewer.
- Navarre Cadastral Downloads — Official municipality-level parcel geometry and public alphanumeric data, including SHP/ASCII files; Spanish/Basque/English/French; free under CC BY 4.0.
- Navarre Geoportal Viewers — Official IDENA/SITNA map, historical orthophoto comparison and LiDAR viewers; Spanish; free.
- DGT Environmental Badge Lookup — Official vehicle-emissions class by Spanish plate; Spanish; free lookup without login, while a physical badge costs money.
- DGT Reduced Vehicle Report — Official first-registration date and transfer/circulation alerts by plate; Spanish; free reduced report, with electronic identification potentially required; detailed reports are paid and excluded.
- Equasis — International ship and maritime-safety records for Spain-linked vessels; English; free,
⚠️ registration required. - VesselFinder — Third-party ship specifications and visible AIS positions, searchable by vessel identifiers; English; free basic search, with advanced features limited.
- AESA Aircraft Register — Official downloadable list of Spanish-registered civil aircraft; Spanish; free public list, while ownership certificates are fee-based and excluded.
- Flightradar24 Aviation Database — Third-party aircraft, airport and flight discovery for Spain; English; free basic search, with advanced history limited.
- Congress Member Search — Official current and historical Spanish deputies and parliamentary profiles; Spanish; free.
- Senate Member Search — Official active senators searchable by name and origin; Spanish; free.
- Senior Officials' Asset Declarations — Official published declarations for central-government senior officials, with location data omitted; Spanish; free.
- State Administration Directory — Official ministry structures and links to public office directories; Spanish; free; some overview text may be older than linked directories.
- Páginas Amarillas — Third-party business and professional contact directory by name or locality; Spanish; free public search, not a residential register.
- Ministry of Finance Tender Open Data — Official reusable Spanish tender, minor-contract and contracting-authority datasets; Spanish; free.
- Catalonia Public Procurement Platform — Official Catalan tender and award notices searchable by file; Catalan/Spanish; free public search.
- Madrid Public Contract Search — Official Madrid regional tenders and awards with filters and CSV export; Spanish; free public search.
- TED — Official EU tender notices, including Spanish authorities and contractors; multilingual; free public search.
- Plataforma PYME Tender Finder — Official SME-oriented discovery of open and awarded tenders; Spanish; free public information.
- Dominios.es — Official .es registry with public domain-availability search; Spanish; free; the separate port-43 WHOIS service requires prior accreditation and is not an open lookup.
- ICANN Lookup — Official RDAP registration-data lookup for supported domains and Internet resources; Spanish/English; free; some registrant data is non-public.
- RIPE Database — Official regional Internet Registry search for IP ranges, networks and ASNs; English; free; not a domain-owner registry.
- crt.sh — Third-party certificate-transparency search for domain-linked certificates and hostnames; English; free; not proof of domain ownership.
- MxToolbox DNS Lookup — Third-party DNS-record and mail-infrastructure lookup; English; free basic search; not proof of domain ownership.
- Verify that every link opens and still provides the described free function.
- Document coverage, language, registration and access limits.
- Follow the seven-category structure and prioritize official sources.
- Distinguish official databases from third-party aggregators.
- Submit pull requests describing additions and corrections.
This repository is for educational and legitimate investigative purposes only. Users are responsible for complying with applicable laws, respecting database terms, handling personal data ethically, and obtaining authorization where required. The information is not legal advice.
Repository maintained by the OSINT-for-Countries-V2.0 community