Dear Laurent and Bengt,
Thank you for raising this observation.
You are right, we will publish company registration numbers in
their original national formats, which can vary significantly
between countries. Some are simple numeric identifiers, while
others include letters or additional qualifiers such as regional
or state information. Keeping the original format makes it easier
for users to look up the information in the relevant company
registries.
As in Laurent’s example from France, a company registration number
often includes “RCS” followed by the city of registration.
Kind regards,
Marco Schmidt
Manager Registration Services
RIPE NCC
Yes, I understand, but that’s a weak argument. In this case, the value even contains words in French. Attribute names are inconsistently mixed between long and abbreviated forms (likely due to historical reasons and backward compatibility). They don’t clearly convey their purpose, values are free-form, and recent changes don’t seem to improve the situation. Just my two cents.
Regards,Laurent
On Wed, Apr 29, 2026 at 11:23 AM Bengt Gördén via db-wg <db-wg@ripe.net> wrote:
-----On 2026-04-29 11:14, Laurent Pellegrino via db-wg wrote:
Hi there,
For your information, I just noticed the new reg-nr listed for my organisation:
organisation: ORG-ES691-RIPE
reg-nr: 983 391 012 Inscrite au R.C.S ANTIBES
It's clearly not a number...
The label says nr but it is a free-form field. Probably because there is no universal definition of "registration number".
$ whois -h whois.ripe.net -v organisation | grep -A5 reg-nr$
reg-nr
Organisation registration number.
A sequence of ASCII characters.
-- Bengt Gördén Resilans AB
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