AS39974 Altitude ISP LLC
AS39974 (ALTITUDE-ISP) is registered to Altitude ISP LLC in US. It originates 3 prefixes in the global routing table.
Who holds AS39974
Names from RIPE NCC’s daily list of every allocated AS number. The ASN lookup fetches the full WHOIS record live.
What AS39974 announces
Prefixes originated by AS39974 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 AS39974 is reached through
The AS just before AS39974 in the paths our looking glass collectors hold, for 3 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 AS39974: RADB 1