AS513 European Organization for Nuclear Research
AS513 (CERN CERN) is registered to European Organization for Nuclear Research in CH. It originates 22 prefixes in the global routing table.
Who holds AS513
Names from RIPE NCC’s daily list of every allocated AS number. The ASN lookup fetches the full WHOIS record live.
What AS513 announces
Prefixes originated by AS513 in the RouteViews table (refreshed every four hours), each checked against the RPKI (every ten minutes) and the IRR (daily).
Announced prefixes
Each opens its own page: who announces it, the paths our collectors see, its ROAs and route objects.
RPKI valid RPKI invalid no ROA covers it
Who AS513 is reached through
The AS just before AS513 in the paths our looking glass collectors hold, for 22 of its prefixes. Usually a transit provider, sometimes a peer. The number is how many of those prefixes it was seen on.
Provider authorization
AS513 publishes no ASPA of its own. 1 AS name it as a provider in theirs. Check a path.
The 1 ASes that name AS513 as a provider
Routing registry objects
From the mirrored IRR databases (RADB, the five RIRs and more). Look it up live.
| Source | as-name | Maintained by |
|---|---|---|
| RIPE | CERN | RIPE-NCC-LEGACY-MNT, CERN-MNT |
Route objects with origin AS513: RIPE 25