Generate a test Belgium Rijksregisternummer
A Belgian national number (RRN) is eleven digits — date of birth, a daily serial, and a MOD-97 check. These test values are synthetic but carry a valid check for the pre-2000 form.
Synthetic · not collision-guaranteed Validate a number →
62.01.15-980.73
Synthetic national number with a valid pre-2000 check. Not a real issued number.
Format specification
| Identifier | Rijksregisternummer (National Number) |
|---|---|
| Country | 🇧🇪 Belgium |
| Format | 00.00.00-000.00 |
| Length | 11 characters |
| Checksum | MOD 97 |
| Example | 71.04.27-102.25 |
| Safe strategy | Synthetic |
| Data quality | Best-effort |
Validation regex
Matches the canonical value — strip separators and uppercase first: value.replace(/[^A-Za-z0-9]/g, '').toUpperCase()
^\d{11}$ References
Common questions
Will these pass my validation?
Yes — they are well-formed Rijksregisternummer values (00.00.00-000.00) and pass standard format checks, including the MOD 97 checksum.
Could one belong to a real person?
These are synthetic values. They are format-valid but not drawn from a guaranteed reserved range, so use them only for testing.
Can I generate many at once?
Increase the count, or use the free API and CSV/JSON export for large datasets.
For software testing only. These numbers are synthetic and must never be used
for real-world identification, applications, or to impersonate anyone.