AS63777 National Institutes of Natural Sciences National Astronomical Observatory of JAPAN
AS63777 (STARCLUSTER) is registered to National Institutes of Natural Sciences National Astronomical Observatory of JAPAN in JP. It originates 1 prefix in the global routing table.
Who holds AS63777
Names from RIPE NCC’s daily list of every allocated AS number. The ASN lookup fetches the full WHOIS record live.
What AS63777 announces
Prefixes originated by AS63777 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.
Who AS63777 is reached through
The AS just before AS63777 in the paths our looking glass collectors hold, for 1 of its prefixes. Usually a transit provider, sometimes a peer. The number is how many of those prefixes it was seen on.
Routing registry objects
From the mirrored IRR databases (RADB, the five RIRs and more). Look it up live.
Route objects with origin AS63777: JPIRR 1 · NTTCOM 1