> On 11 Mar 2026, at 07:04, Hank Nussbacher <[email protected]> wrote:
>
> When one logs in to the RIPE portal, one can easily see a tab for 3 different
> resources (My Resources tab): IPv4, IPv6 and ASN
> But how does one see all the inverse domains that are "owned" by that LIR?
With 'inverse domains', do you mean the in-addr.arpa & ip6.arpa reverse
delegations per prefix?
You will have to go to: My Resources -> IPv4 / IPv6 Tab there per prefix below
it "allocated PA" or similar, then the name of the prefix and a green "tag"
with IRR or "rDNS" indicating that rDNS is set for it. Click on the prefix, and
at the bottom you will have "Domain" and the delegated in-addr.arpa or ip6.arpa
domain along with Manage to do something with it, though effectively updating
the whois/RPSL object (and supports DNSSEC :) ).
I do not think there is currently a "list of all domain objects related to LIR"
view in the webui.
If you know the typical owner of the objects, one could do a whois inverse
search:
whois -h whois.ripe.net -- -r -i admin-c,tech-c YOUR1-RIPE -T domain
whois -h whois.ripe.net -- -r -i mnt-by YOUR-MNT -T domain
You could also search through:
https://ftp.ripe.net/ripe/dbase/split/ripe.db.domain.gz
Or for automated way use the API:
https://www.ripe.net/publications/documentation/developer-documentation/lir-portal-api-keys/
this will only show you the objects for that LIR account, which might be the
most accurate if you have a lot of objects.
Depending on what you are looking for, maybe old/outdated domain objects, I
would take the list of prefixes (eg quickly from bgp.tools below), reverse them
and match them with domains in the above gzip file, that would be the quickest
route. I wonder if, especially on an older/long-standing LIR if one can find
prefixes with domain objects that are not directly connected using the LIR
portal API though, time can cause differences after all :)
Btw, the amazing BGP Tools has a view for at least the IPv4/IPv6/ASN resources:
https://bgp.tools/rir-owner/tld.lirname
Though that does not cover reverses.
Regards,
Jeroen
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