AS12307 Sandro Bolliger trading as Bolliger Network Solutions
AS12307 (RAVANA) is registered to Sandro Bolliger trading as Bolliger Network Solutions in CH. It originates 4 prefixes in the global routing table.
Who holds AS12307
Names from RIPE NCC’s daily list of every allocated AS number. The ASN lookup fetches the full WHOIS record live.
What AS12307 announces
Prefixes originated by AS12307 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 AS12307 is reached through
The AS just before AS12307 in the paths our looking glass collectors hold, for 4 of its prefixes. Usually a transit provider, sometimes a peer. The number is how many of those prefixes it was seen on.
Provider authorization
AS12307 publishes an ASPA naming these providers. 7 ASes name it as a provider in theirs. Check a path.
The 7 ASes that name AS12307 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 | RAVANA | RIPE-NCC-END-MNT, MNT-CH-SBOLLIGER-1 |
Route objects with origin AS12307: RIPE 5